def evaluate(model, k=10, seed=1234, evalcv=True, evaltest=False):
"""
Run experiment
k: number of CV folds
test: whether to evaluate on test set
"""
print('Preparing data...')
traintext, testtext = load_data()
train, train_labels = prepare_data(traintext)
test, test_labels = prepare_data(testtext)
train_labels = prepare_labels(train_labels)
test_labels = prepare_labels(test_labels)
train, train_labels = shuffle(train, train_labels, random_state=seed)
print('Computing training skipthoughts...')
trainF = skipthoughts.encode(model, train, verbose=False, use_eos=False)
if evalcv:
print('Running cross-validation...')
interval = [2**t for t in range(0, 9, 1)] # coarse-grained
C = eval_kfold(trainF, train_labels, k=k, scan=interval, seed=seed)
if evaltest:
if not evalcv:
C = 128 # Best parameter found from CV
print('Computing testing skipthoughts...')
testF = skipthoughts.encode(model, test, verbose=False, use_eos=False)
print('Evaluating...')
clf = LogisticRegression(C=C)
clf.fit(trainF, train_labels)
yhat = clf.predict(testF)
print('Test accuracy: ' + str(clf.score(testF, test_labels)))
def evaluate(model, k=10, seed=1234, evalcv=True, evaltest=False):
"""
Run experiment
k: number of CV folds
test: whether to evaluate on test set
"""
print 'Preparing data...'
traintext, testtext = load_data()
train, train_labels = prepare_data(traintext)
test, test_labels = prepare_data(testtext)
train_labels = prepare_labels(train_labels)
test_labels = prepare_labels(test_labels)
train, train_labels = shuffle(train, train_labels, random_state=seed)
print 'Computing training skipthoughts...'
trainF = skipthoughts.encode(model, train, verbose=False, use_eos=False)
if evalcv:
print 'Running cross-validation...'
interval = [2**t for t in range(0,9,1)] # coarse-grained
C = eval_kfold(trainF, train_labels, k=k, scan=interval, seed=seed)
if evaltest:
if not evalcv:
C = 128 # Best parameter found from CV
print 'Computing testing skipthoughts...'
testF = skipthoughts.encode(model, test, verbose=False, use_eos=False)
print 'Evaluating...'
clf = LogisticRegression(C=C)
clf.fit(trainF, train_labels)
yhat = clf.predict(testF)
print 'Test accuracy: ' + str(clf.score(testF, test_labels))
def embd_sent(self,sent):
import skipthoughts
if self.type == 'uni':
return skipthoughts.encode(self.model, [sent])[0][0:2400]
elif self.type == 'bi':
return skipthoughts.encode(self.model, [sent])[0][2400:]
else:
return skipthoughts.encode(self.model, [sent])[0]
def embd_multiple_sents(self,sents):
import skipthoughts
if self.type == 'combined':
return skipthoughts.encode(self.model, sents)
elif self.type == 'uni':
ix_from = 0
ix_to = 2400
else:
ix_from = 2400
ix_to = 4800
return np.asarray([v[ix_from:ix_to] for v in skipthoughts.encode(self.model, sents)])
def evaluate(model,
k=10,
seed=1234,
evalcv=True,
evaltest=False,
use_feats=True):
"""
Run experiment
k: number of CV folds
test: whether to evaluate on test set
"""
print 'Preparing data...'
traintext, testtext, labels = load_data()
print 'Computing training skipthoughts...'
trainA = skipthoughts.encode(model, traintext[0], verbose=False)
trainB = skipthoughts.encode(model, traintext[1], verbose=False)
if evalcv:
print 'Running cross-validation...'
C = eval_kfold(trainA,
trainB,
traintext,
labels[0],
shuffle=True,
k=10,
seed=1234,
use_feats=use_feats)
if evaltest:
if not evalcv:
C = 4 # Best parameter found from CV (combine-skip with use_feats=True)
print 'Computing testing skipthoughts...'
testA = skipthoughts.encode(model, testtext[0], verbose=False)
testB = skipthoughts.encode(model, testtext[1], verbose=False)
if use_feats:
train_features = np.c_[np.abs(trainA - trainB), trainA * trainB,
feats(traintext[0], traintext[1])]
test_features = np.c_[np.abs(testA - testB), testA * testB,
feats(testtext[0], testtext[1])]
else:
train_features = np.c_[np.abs(trainA - trainB), trainA * trainB]
test_features = np.c_[np.abs(testA - testB), testA * testB]
print 'Evaluating...'
clf = LogisticRegression(C=C)
clf.fit(train_features, labels[0])
yhat = clf.predict(test_features)
print 'Test accuracy: ' + str(clf.score(test_features, labels[1]))
print 'Test F1: ' + str(f1(labels[1], yhat))
def generate_story_loss(z, image_loc, k=100, bw=50, lyric=False):
"""
Generate a story for an image at location image_loc
"""
# Load the image
rawim, im = load_image(image_loc)
# Run image through convnet
feats = compute_features(z['net'], im).flatten()
feats /= norm(feats)
# Embed image into joint space
feats = embedding.encode_images(z['vse'], feats[None, :])
# Compute the nearest neighbours
scores = numpy.dot(feats, z['cvec'].T).flatten()
sorted_args = numpy.argsort(scores)[::-1]
sentences = [z['cap'][a] for a in sorted_args[:k]]
print 'NEAREST-CAPTIONS: '
for s in sentences[:5]:
print s
print ''
# Compute skip-thought vectors for sentences
svecs = skipthoughts.encode(z['stv'], sentences, verbose=False)
# Style shifting
# shift = svecs.mean(0) - z['bneg'] + z['bpos']
return svecs.mean(0), z['bneg'], z['bpos']
def predict():
queries = request.get_json(silent=True, force=True)['input']
# query = "This is a red flower with yellow stamen."
encoded = Variable(torch.Tensor(skipthoughts.encode(model, queries)))
if torch.cuda.is_available():
encoded = encoded.cuda()
image_paths = []
for batch_i in range(BATCH_SIZE):
noise_vec = Variable(torch.randn(len(queries), 100, 1, 1))
if torch.cuda.is_available():
noise_vec = noise_vec.cuda()
gen_images = generator.forward(encoded, noise_vec)
gen_images = gen_images.cpu()
for i, img in enumerate(gen_images):
curr = img.data.numpy()
curr = np.swapaxes(curr, 0, 1)
curr = np.swapaxes(curr, 1, 2)
path = 'Data/samples/' + str(batch_i) + '_' + str(i) + '.png'
scipy.misc.imsave(path, curr)
image_paths.append(path)
return jsonify({'images': image_paths})
def encode_and_save(image_captions, image_classes, data_dir: str,
dataset: str):
model = skipthoughts.load_model()
encoded_captions = {}
for i, img in enumerate(image_captions):
st = time.time()
encoded_captions[img] = skipthoughts.encode(model, image_captions[img])
if i % 20 == 0:
print(i, len(image_captions), img)
print("Seconds", time.time() - st)
img_ids = list(image_captions.keys())
random.shuffle(img_ids)
n_train_instances = int(len(img_ids) * 0.9)
tr_image_ids = img_ids[0:n_train_instances]
val_image_ids = img_ids[n_train_instances:-1]
pickle.dump(
image_captions,
open(os.path.join(data_dir, dataset, dataset + '_caps.pkl'), "wb"))
pickle.dump(tr_image_ids,
open(os.path.join(data_dir, dataset, 'train_ids.pkl'), "wb"))
pickle.dump(val_image_ids,
open(os.path.join(data_dir, dataset, 'val_ids.pkl'), "wb"))
ec_pkl_path = join(data_dir, dataset, dataset + '_tv.pkl')
pickle.dump(encoded_captions, open(ec_pkl_path, "wb"))
fc_pkl_path = join(data_dir, dataset, dataset + '_tc.pkl')
pickle.dump(image_classes, open(fc_pkl_path, "wb"))
def extract_sentence_vectors(model):
sentences = []
selected_jsons = []
ifile = open('op.json', 'r')
for idx,line in enumerate(ifile):
jj = json.loads(line)
s1 = jj[0]
s2 = jj[1]
sentences.append(s1['sent'])
sentences.append(s2['sent'])
vectors = skipthoughts.encode(model, sentences)
sent_pair_vectors = numpy.reshape(vectors, (len(vectors)/2, len(vectors[0]) * 2))
print(sent_pair_vectors.shape)
numpy.save("toy_pair_vectors.npy", sent_pair_vectors)
def encode(self, sentences, verbose=False): self.sentences = sentences if self.loaded_custom_model: self.vectors = penseur_utils.encode(self.model, sentences, verbose) else: self.vectors = skipthoughts.encode(self.model, sentences, verbose) return self.vectors
def save_caption_vectors_shapes(data_dir):
import time
img_dir = join(data_dir, 'shapes/images')
image_files = [f for f in os.listdir(img_dir) if 'png' in f]
print image_files[300:400]
print len(image_files)
image_captions = { img_file : [] for img_file in image_files }
caption_dir = join(data_dir, 'shapes/texts')
caption_files = [f for f in os.listdir(caption_dir) if 'txt' in f]
for cap_file in caption_files:
with open(join(caption_dir,cap_file)) as f:
captions = f.read().split('\n')
img_file = cap_file[0:5] + ".png"
# 5 captions per image
image_captions[img_file] += [cap for cap in captions if len(cap) > 0][0:5]
print len(image_captions)
model = skipthoughts.load_model()
encoded_captions = {}
for i, img in enumerate(image_captions):
st = time.time()
encoded_captions[img] = skipthoughts.encode(model, image_captions[img])
print i, len(image_captions), img
print "Seconds", time.time() - st
h = h5py.File(join(data_dir, 'shapes_tv.hdf5'))
for key in encoded_captions:
h.create_dataset(key, data=encoded_captions[key])
h.close()
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--caption_file',
type=str,
default='Data/sample_captions.txt',
help='caption file')
parser.add_argument('--data_dir',
type=str,
default='Data',
help='Data Directory')
args = parser.parse_args()
with open(args.caption_file) as f:
captions = f.read().split('\n')
captions = [cap for cap in captions if len(cap) > 0]
print(captions)
model = skipthoughts.load_model()
caption_vectors = skipthoughts.encode(model, captions)
if os.path.isfile(join(args.data_dir, 'sample_caption_vectors.hdf5')):
os.remove(join(args.data_dir, 'sample_caption_vectors.hdf5'))
h = h5py.File(join(args.data_dir, 'sample_caption_vectors.hdf5'))
h.create_dataset('vectors', data=caption_vectors)
h.close()
def extract_sentence_vectors(model):
sentences = []
selected_jsons = []
ifile = open('../../snli_1.0/snli_1.0_train.jsonl', 'r')
for idx, line in enumerate(ifile):
# print(idx)
dropout_chance = random.random()
if dropout_chance < 0.1:
jj = json.loads(line)
sentences.append(jj['sentence1'])
sentences.append(jj['sentence2'])
selected_jsons.append(jj)
print(len(sentences), len(selected_jsons))
#sys.exit()
vectors = skipthoughts.encode(model, sentences)
sent_pair_vectors = numpy.reshape(vectors,
(len(vectors) / 2, len(vectors[0]) * 2))
print(sent_pair_vectors.shape)
numpy.save("sentence_pair_vectors.npy", sent_pair_vectors)
with open('selected_sentence_pairs.json', 'w') as f:
for jsons in selected_jsons:
f.write(json.dumps(jsons))
f.write('\n')
def batcher(params, batch):
batch = [' '.join(sent) if sent != [] else '.' for sent in batch]
embeddings = skipthoughts.encode(params['encoder'],
batch,
verbose=False,
use_eos=True)
return embeddings
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--caption_file',
type=str,
default='Data/captions.txt',
help='caption file')
parser.add_argument('--data_dir',
type=str,
default='Data',
help='Data Directory')
args = parser.parse_args()
with open(args.caption_file) as f:
captions = f.read().split('\n')
# captions : Text description of pictures stored in file sample_captions.txt
captions = [cap for cap in captions if len(cap) > 0]
print(captions)
# create skipthoughts vectors
model = skipthoughts.load_model()
print('Creation of skipthought vectors : loading ....')
caption_vectors = skipthoughts.encode(model, captions)
print('Creation of skipthought vectors : DONE !')
#print(caption_vectors)
#print(np.shape(caption_vectors)).3
# create tensor vectors with skipthought vectors as input
print('Save skipthought vector : loading ....')
np.save('skipvectors_2000.npy', caption_vectors)
print('Save skipthought vector : DONE !')
def prepare_data(query, imdb_key):
query_representation = skip.encode(skip_model, [query])
candidate_qa = [QAInfo for QAInfo in qa if QAInfo.imdb_key == imdb_key]
skip_encode = list()
for QAInfo in candidate_qa:
try: skip_encode.append(qa_representation[QAInfo.qid])
except: pass
similarity = [(np.inner(query_representation, rep)[0][0], i) for i, rep in enumerate(skip_encode)]
similarity.sort(reverse=True)
most_similar = [candidate_qa[i] for score, i in similarity[:1]]
retrieved_question = most_similar[0].question
retrieved_answer = most_similar[0].answers
retrieved_story = story[imdb_key]
q_embed = np.array(gensim_w2v.encode_w2v_gensim(retrieved_question))
a_embed = np.array([gensim_w2v.encode_w2v_gensim(a) for a in retrieved_answer])
s_embed = np.zeros((1, 60, 300))
s_embed[:,:len(retrieved_story)] = \
np.reshape(np.array([gensim_w2v.encode_w2v_gensim(s) for s in retrieved_story]),\
(1,len(retrieved_story), 300))
s_embed = np.reshape(s_embed, (1, 60, 300))
q_embed = np.reshape(q_embed, (1, 1, 300))
a_embed = np.reshape(a_embed, (1, 5, 300))
return most_similar[0], s_embed, q_embed, a_embed
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--caption_file',
type=str,
default='Data/text.txt',
help='caption file')
parser.add_argument('--data_dir',
type=str,
default='Data',
help='Data Directory')
args = parser.parse_args()
model = skipthoughts.load_model()
encoded_captions = {}
file_path = os.path.join(args.caption_file)
dump_path = os.path.join(args.data_dir, 'enc_text.pkl')
with open(file_path) as f:
str_captions = f.read()
captions = str_captions.split('\n')
print(captions)
encoded_captions['features'] = skipthoughts.encode(model, captions)
pickle.dump(encoded_captions, open(dump_path, "wb"))
print('Finished extracting Skip-Thought vectors of the given text '
'descriptions')
def save_caption_vectors(all_captions, target_dir, split, experiment):
h = h5py.File(
os.path.join(target_dir, experiment, '{}_captions.hdf5'.format(split)))
model = skipthoughts.load_model()
for class_name, image_captions in all_captions.items():
print("number of images: ", len(image_captions))
img_batches = [[] for i in range(NUM_BATCHES)]
caption_batches = [[] for i in range(NUM_BATCHES)]
counter = 0
for img, captions in image_captions.items():
counter = counter % NUM_BATCHES
img_batches[counter].append(img)
caption_batches[counter] += captions
counter += 1
print("batched for {}".format(class_name))
group = h.create_group(class_name)
for i in range(NUM_BATCHES):
imgs = img_batches[i]
captions = caption_batches[i]
encoded_captions = skipthoughts.encode(model, captions)
cstart = 0
for img in imgs:
num_caps = len(image_captions[img])
print(cstart, num_caps, len(encoded_captions))
group.create_dataset(img,
data=encoded_captions[cstart:cstart +
num_caps])
cstart += num_caps
print("Batch {} of {} Done".format(i + 1, NUM_BATCHES))
h.close()
def prepare_data(caps,
features,
worddict,
model,
d,
maxlen=None,
n_words=10000):
"""
Put data into format useable by the model
"""
seqs = []
feat_list = []
for i, cc in enumerate(caps):
seqs.append(
[worddict[w] if worddict[w] < n_words else 1 for w in cc.split()])
feat_list.append(features[i])
lengths = [len(s) for s in seqs]
print 'building seqs'
if maxlen != None and numpy.max(lengths) >= maxlen:
new_seqs = []
new_feat_list = []
new_lengths = []
for l, s, y in zip(lengths, seqs, feat_list):
if l < maxlen:
new_seqs.append(s)
new_feat_list.append(y)
new_lengths.append(l)
lengths = new_lengths
feat_list = new_feat_list
seqs = new_seqs
if len(lengths) < 1:
return None, None, None
# Compute skip-thought vectors for this mini-batch
print 'encoding skipthoughts'
feat_list = skipthoughts.encode(model,
feat_list,
d,
use_eos=False,
verbose=False)
print 'finished skipthoughts encoding'
print 'feature list size %d, %d' % (len(feat_list), len(feat_list[0]))
y = numpy.zeros((len(feat_list), len(feat_list[0]))).astype('float32')
for idx, ff in enumerate(feat_list):
y[idx, :] = ff
n_samples = len(seqs)
maxlen = numpy.max(lengths) + 1
x = numpy.zeros((maxlen, n_samples)).astype('int64')
x_mask = numpy.zeros((maxlen, n_samples)).astype('float32')
print 'building mask'
for idx, s in enumerate(seqs):
x[:lengths[idx], idx] = s
x_mask[:lengths[idx] + 1, idx] = 1.
return x, x_mask, y
def read_snli_from_csv(model):
train_saved_path = './snli/processed-train.pkl'
dev_saved_path = './snli/processed-dev.pkl'
test_saved_path = './snli/processed-test.pkl'
if os.path.isfile(train_saved_path) and os.path.isfile(test_saved_path):
X_train, train_labels = joblib.load(train_saved_path)
X_test, test_labels = joblib.load(test_saved_path)
return X_train, X_test, train_labels, test_labels
if model is None:
raise ValueError("model is None")
train_df = pd.read_csv('./snli/snli_1.0/snli_1.0_train.txt', delimiter='\t')
train_df = train_df[pd.notnull(train_df.sentence2)]
train_df = train_df[train_df.gold_label != '-']
train_df = train_df[:(len(train_df) / 3)]
train_ts, train_hs, train_labels = get_sentence_sample(train_df)
logger.info('encoding train samples ...')
logger.info('encoding ts ...')
vectorized_train_ts = skipthoughts.encode(model, train_ts)
logger.info('encoding hs ...')
vectorized_train_hs = skipthoughts.encode(model, train_hs)
del train_df, train_ts, train_hs
X_train = np.concatenate((vectorized_train_ts, vectorized_train_hs), axis=1)
logger.info('dump to file ...')
joblib.dump((X_train, train_labels), train_saved_path)
test_df = pd.read_csv('./snli/snli_1.0/snli_1.0_test.txt', delimiter='\t')
test_df = test_df[pd.notnull(test_df.sentence2)]
test_df = test_df[test_df.gold_label != '-']
test_ts, test_hs, test_labels = get_sentence_sample(test_df)
logger.info('encoding test samples ...')
logger.info('encoding ts ...')
vectorized_test_ts = skipthoughts.encode(model, test_ts)
logger.info('encoding hs ...')
vectorized_test_hs = skipthoughts.encode(model, test_hs)
del test_df, test_ts, test_hs
X_test = np.concatenate((vectorized_test_ts, vectorized_test_hs), axis=1)
logger.info('dump to file ...')
joblib.dump((X_test, test_labels), test_saved_path)
logger.info('done')
return X_train, X_test, train_labels, test_labels
def batcher(params, batch):
embeddings = skipthoughts.encode(params.encoder, [
str(' '.join(sent), errors="ignore") if sent != [] else '.'
for sent in batch
],
verbose=False,
use_eos=True)
return embeddings
def encode_sentences(desc, sentence_list, model, imdb_key=None, is_qa=False):
"""Encode a list of sentences given the model.
"""
if desc == 'skipthought':
# encode a sentence list directly
features = skipthoughts.encode(model, sentence_list, verbose=False)
elif desc == 'vis-text-embed':
# normalize sentence lists
norm_sentence_list = [
utils.normalize_alphanumeric(sentence.lower())
for sentence in sentence_list
]
# allows to encode a sentence list directly
features = model.encode(norm_sentence_list)
elif desc.startswith('tfidf'):
desc_dim = len(model.vocab)
midx = model.doc_names.index(imdb_key)
# use scipy sparse matrix when encoding stories, otherwise too huge!
if is_qa:
features = np.zeros((len(sentence_list), desc_dim),
dtype='float32')
else:
features = sps.dok_matrix((len(sentence_list), desc_dim),
dtype='float32')
for s, sentence in enumerate(sentence_list):
# NOTE: use both alphanumeric and stemming normalization
sentence = utils.normalize_stemming(
utils.normalize_alphanumeric(sentence.lower())).split(' ')
# for each word in the normalized sentence
for word in sentence:
if word not in model.vocab: continue
widx = model.vocab.index(word)
features[s, widx] = model.tfidf[widx][midx]
if is_qa: # if not sparse, use numpy.linalg.norm
features[s] /= (np.linalg.norm(features[s]) + 1e-6)
else: # if sparse, use scipy.sparse.linalg.norm
features[s] /= (sps.linalg.norm(features[s]) + 1e-6)
elif desc == 'word2vec':
desc_dim = model.get_vector(model.vocab[-1]).shape[0]
features = np.zeros((len(sentence_list), desc_dim), dtype='float32')
for s, sentence in enumerate(sentence_list):
# NOTE: use only alphanumeric normalization, no stemming
sentence = utils.normalize_alphanumeric(
sentence.lower()).split(' ')
# for each word in the normalized sentence
for word in sentence:
if word not in model.vocab: continue
features[s] += model.get_vector(word)
features[s] /= (np.linalg.norm(features[s]) + 1e-6)
return features
def compute_answer_vector2(answers, model):
"""Takes a dictionary of answer and return a dictionary of vectors representing the answer"""
answer_vector = {}
for answer_option in answers.keys():
a_list = answers[answer_option].split(".")
b = np.array(sum(skipthoughts.encode(model, sentence) for sentence in a_list))
avg_factor = 1.0 / len(answers.keys())
answer_vector[answer_option] = np.multiply(b, avg_factor)
return answer_vector
def story(z, image_loc, k=20, bw=5, lyric=False):
"""
Generate a story for an image at location image_loc
"""
# Load the image
rawim, im = load_image(image_loc)
# Run image through convnet
feats = compute_features(z['net'], im).flatten()
feats /= norm(feats)
# Embed image into joint space
feats = embedding.encode_images(z['vse'], feats[None, :])
# Compute the nearest neighbours
scores = numpy.dot(feats, z['cvec'].T).flatten()
sorted_args = numpy.argsort(scores)[::-1]
sentences = [z['cap'][a] for a in sorted_args[:k]]
#pipeline broken here and one good caption whose image name is same is added
f = open('/Users/shreyajain/Downloads/output.txt').read()
#f2 = open('/Users/shreyajain/Downloads/input_story.txt','w')
image_name = image_loc.split('/')[-1]
text = f.split('\n')
for t in range(4, len(text)):
l = text[t].split()
if l != []:
name = l[0].split('/')[-1]
if name == image_name:
caption = l[1:]
#caption = ' '.join(caption)
sentences = caption + sentences
break
# print 'NEAREST-CAPTIONS: '
# for s in sentences[:5]:
# print s
# print ''
# Compute skip-thought vectors for sentences
svecs = skipthoughts.encode(z['stv'], sentences, verbose=False)
# Style shifting
shift = svecs.mean(0) - z['bneg'] + z['bpos']
# Generate story conditioned on shift
passage = decoder.run_sampler(z['dec'], shift, beam_width=bw)
#print 'OUTPUT: '
if lyric:
for line in passage.split(','):
if line[0] != ' ':
print line
else:
print line[1:]
else:
return passage
def encoding(input):
encoded_vector_dir = './encoded_vector'
try:
caption_vectors = skipthoughts.encode(model, input)
print("Sentence encoding sucessful")
except:
print("Failed sentence encoding")
files_ = 'test_vector.pkl'
with open(join(encoded_vector_dir, files_), mode='wb') as myfile:
pickle.dump(caption_vectors, myfile)
def main():
beta1 = 0.5
lr = 2e-4
z_dim = 100
t_dim = 256
batch_size = 64
image_size = 64
gfc_dim = 1024
caption_vector_length = 4800
epochs = 600
path = sys.argv[1]
test_data, test_id = load_test_data(path)
embed_model = skipthoughts.load_model()
caption_vectors = skipthoughts.encode(embed_model, test_data)
#np.save("test_embedd.npy", caption_vectors)
#exit()
#caption_vectors = np.load("test_embedd.npy")
caption_vectors = np.tile(caption_vectors, (5, 1))
model_options = {
'z_dim': 100,
't_dim': 256,
'batch_size': len(test_data) * 5,
'image_size': 64,
'gf_dim': 64,
'df_dim': 64,
'gfc_dim': 1024,
'caption_vector_length': 4800
}
gan = model.GAN(model_options)
input_tensors, variables, loss, outputs, checks = gan.build_model()
with tf.Session(config=tf.ConfigProto(gpu_options=gpu_options)) as sess:
tf.global_variables_initializer().run()
saver = tf.train.Saver()
ckpt = tf.train.get_checkpoint_state("Data/Models/")
saver.restore(sess, ckpt.model_checkpoint_path)
print("Model restored.")
z_noise = np.random.uniform(-1, 1, [5 * len(test_data), z_dim])
gen = sess.run(outputs['generator'],
feed_dict={
input_tensors['t_real_caption']: caption_vectors,
input_tensors['t_z']: z_noise
})
print "Saving Images, Model"
save_image(gen, test_id)
def main():
ann_root = '/home/fl302/Projects/VQA-tensorflow/data/annotations'
questions = _read_json(ann_root,
'MultipleChoice_mscoco_val2014_questions.json',
'questions')
# create model
model = skipthoughts.load_model()
# create buffers
quest_ids, quest_coding = [], []
quest_buffer = []
# now, do the job
for i, info in enumerate(questions):
print('Skip thought: extracted %d/%d' % (i, len(questions)))
if i > 100:
break
quest_id = info['question_id']
quest = info['question'].lower()
quest_buffer.append(quest)
quest_ids.append(quest_id)
if i % 100 == 0 and i > 0:
quest_vectors = skipthoughts.encode(model, quest_buffer)
# append to the main buffer
quest_coding.append(quest_vectors.copy())
# clear question buffer
quest_buffer = []
# process last batch
if quest_buffer:
quest_vectors = skipthoughts.encode(model, quest_buffer)
quest_coding.append(quest_vectors.copy())
# concatenate
quest_coding = np.concatenate(quest_coding, axis=0).astype(np.float32)
quest_ids = np.array(quest_ids, dtype=np.int32)
# save to file
save_hdf5('vqa_val_skipthought.h5', {
'quest_id': quest_ids,
'quest_coding': quest_coding
})
def generate(sentences, stv, bpos, bneg, dec):
# Compute skip-thought vectors for sentences
svecs = skipthoughts.encode(stv, sentences, verbose=False)
console.log("Encoded skipthought vector")
# Style shifting
shift = svecs.mean(0) - bneg + bpos
console.log("Shifted style")
# TODO: clean up here
# Generate story conditioned on shift
passage = decoder.run_sampler(dec, shift, beam_width=500)
console.log("Sampled passage")
return passage
def transform_ques_weak(x, sqa, word_to_id):
z = np.zeros((110,4800))
#model = skipthoughts.load_model()
quest = x
indices = []
for i in range(0, sqa):
qi2 = skipthoughts.encode(model, x[i][2])
s = qi2.shape[0]
z[:s] = qi2
quest[i][2] = z.tolist()
'''
four = encoded_already.s1()
quest[i][2] = four[0]
'''
quest[i][3] = skipthoughts.encode(model, x[i][3])
q3l = quest[i][3].tolist()
quest[i][3] = q3l[0] #because skipthoughts automatically puts two brackets around a single sentene encoding
'''
four2 = encoded_already.s2()
quest[i][3] = four2[0]
'''
quest[i][4] = word_to_id[x[i][4][0]]
i += 1
return quest
def get_similarity(text1, text2):
x = [text1, text2]
vectors = skipthoughts.encode(model, x)
# need reshaping to prevent warning from scikit-learn
a = vectors[0].reshape(1, -1)
b = vectors[1].reshape(1, -1)
result_sim = float(cosine_similarity(a, b))
print(result_sim, text1, text2)
return result_sim
def get_image_tag_pair(tag_dict_in_use, img_path="data/faces/"):
print("start loading skipthoughts model")
# get text vector
model = skipthoughts.load_model()
list_text = skipthoughts.encode(model, list(tag_dict_in_use.values()))
# get image
list_image = []
for key, item in tag_dict_in_use.items():
img = skimage.io.imread(os.path.join(img_path, str(key) + ".jpg"))
img = skimage.transform.resize(img, (64, 64))
list_image.append(img)
return list_image, list_text
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--caption_file',
type=str,
default='Data/sample_captions.txt',
help='caption file')
parser.add_argument('--data_dir',
type=str,
default='Data',
help='Data Directory')
parser.add_argument('--data_set',
type=str,
default='flowers',
help="Define the name of data sets")
args = parser.parse_args()
_n_labels = 4096
if args.data_set == "ImageNet":
with open("./Data/sample_caption_ImageNet.txt") as f:
captions = f.read().split('\n')
captions = [cap for cap in captions if len(cap) > 0]
caption_vector_list = []
for cap in captions:
_n = cap.split(',')
_zeros0 = np.zeros(_n_labels)
_zeros1 = np.zeros(_n_labels)
_zeros0[int(_n[0])] = 1
_zeros1[int(_n[0])] = 1
_onehot = np.concatenate([_zeros0, _zeros1], axis=0)
caption_vector_list.append(_onehot)
print(len(caption_vector_list), len(caption_vector_list[0]))
h = h5py.File(join(args.data_dir, 'sample_caption_ImageNet.hdf5'))
h.create_dataset('vectors', data=caption_vector_list)
h.close()
if args.data_set == "flowers":
with open(args.caption_file) as f:
captions = f.read().split('\n')
captions = [cap for cap in captions if len(cap) > 0]
print(captions)
model = skipthoughts.load_model()
caption_vectors = skipthoughts.encode(model, captions)
print(caption_vectors)
print(caption_vectors.shape, len(caption_vectors[0]))
if os.path.isfile(join(args.data_dir, 'sample_caption_vectors.hdf5')):
os.remove(join(args.data_dir, 'sample_caption_vectors.hdf5'))
h = h5py.File(join(args.data_dir, 'sample_caption_vectors.hdf5'))
h.create_dataset('vectors', data=caption_vectors)
h.close()
def encode_sentences(desc, sentence_list, model, imdb_key=None, is_qa=False):
"""Encode a list of sentences given the model.
"""
if desc == 'skipthought':
# encode a sentence list directly
features = skipthoughts.encode(model, sentence_list, verbose=False)
elif desc == 'vis-text-embed':
# normalize sentence lists
norm_sentence_list = [utils.normalize_alphanumeric(sentence.lower()) for sentence in sentence_list]
# allows to encode a sentence list directly
features = model.encode(norm_sentence_list)
elif desc.startswith('tfidf'):
desc_dim = len(model.vocab)
midx = model.doc_names.index(imdb_key)
# use scipy sparse matrix when encoding stories, otherwise too huge!
if is_qa:
features = np.zeros((len(sentence_list), desc_dim), dtype='float32')
else:
features = sps.dok_matrix((len(sentence_list), desc_dim), dtype='float32')
for s, sentence in enumerate(sentence_list):
# NOTE: use both alphanumeric and stemming normalization
sentence = utils.normalize_stemming(utils.normalize_alphanumeric(sentence.lower())).split(' ')
# for each word in the normalized sentence
for word in sentence:
if word not in model.vocab: continue
widx = model.vocab.index(word)
features[s,widx] = model.tfidf[widx][midx]
if is_qa: # if not sparse, use numpy.linalg.norm
features[s] /= (np.linalg.norm(features[s]) + 1e-6)
else: # if sparse, use scipy.sparse.linalg.norm
features[s] /= (sps.linalg.norm(features[s]) + 1e-6)
elif desc == 'word2vec':
desc_dim = model.get_vector(model.vocab[-1]).shape[0]
features = np.zeros((len(sentence_list), desc_dim), dtype='float32')
for s, sentence in enumerate(sentence_list):
# NOTE: use only alphanumeric normalization, no stemming
sentence = utils.normalize_alphanumeric(sentence.lower()).split(' ')
# for each word in the normalized sentence
for word in sentence:
if word not in model.vocab: continue
features[s] += model.get_vector(word)
features[s] /= (np.linalg.norm(features[s]) + 1e-6)
return features
def evaluate(model, seed=1234, evaltest=False):
"""
Run experiment
"""
print 'Preparing data...'
train, dev, test, scores = load_data()
train[0], train[1], scores[0] = shuffle(train[0],
train[1],
scores[0],
random_state=seed)
print 'Computing training skipthoughts...'
trainA = skipthoughts.encode(model, train[0], verbose=False, use_eos=True)
trainB = skipthoughts.encode(model, train[1], verbose=False, use_eos=True)
print 'Computing development skipthoughts...'
devA = skipthoughts.encode(model, dev[0], verbose=False, use_eos=True)
devB = skipthoughts.encode(model, dev[1], verbose=False, use_eos=True)
print 'Computing feature combinations...'
trainF = np.c_[np.abs(trainA - trainB), trainA * trainB]
devF = np.c_[np.abs(devA - devB), devA * devB]
print 'Encoding labels...'
trainY = encode_labels(scores[0])
devY = encode_labels(scores[1])
print 'Compiling model...'
lrmodel = prepare_model(ninputs=trainF.shape[1])
print 'Training...'
bestlrmodel = train_model(lrmodel, trainF, trainY, devF, devY, scores[1])
if evaltest:
print 'Computing test skipthoughts...'
testA = skipthoughts.encode(model,
test[0],
verbose=False,
use_eos=True)
testB = skipthoughts.encode(model,
test[1],
verbose=False,
use_eos=True)
print 'Computing feature combinations...'
testF = np.c_[np.abs(testA - testB), testA * testB]
print 'Evaluating...'
r = np.arange(1, 6)
yhat = np.dot(bestlrmodel.predict_proba(testF, verbose=2), r)
pr = pearsonr(yhat, scores[2])[0]
sr = spearmanr(yhat, scores[2])[0]
se = mse(yhat, scores[2])
print 'Test Pearson: ' + str(pr)
print 'Test Spearman: ' + str(sr)
print 'Test MSE: ' + str(se)
return yhat
def evaluate(model, k=10, seed=1234, evalcv=True, evaltest=False, use_feats=True):
"""
Run experiment
k: number of CV folds
test: whether to evaluate on test set
"""
print 'Preparing data...'
traintext, testtext, labels = load_data()
print 'Computing training skipthoughts...'
trainA = skipthoughts.encode(model, traintext[0], verbose=False)
trainB = skipthoughts.encode(model, traintext[1], verbose=False)
if evalcv:
print 'Running cross-validation...'
C = eval_kfold(trainA, trainB, traintext, labels[0], shuffle=True, k=10, seed=1234, use_feats=use_feats)
if evaltest:
if not evalcv:
C = 4 # Best parameter found from CV (combine-skip with use_feats=True)
print 'Computing testing skipthoughts...'
testA = skipthoughts.encode(model, testtext[0], verbose=False)
testB = skipthoughts.encode(model, testtext[1], verbose=False)
if use_feats:
train_features = np.c_[np.abs(trainA - trainB), trainA * trainB, feats(traintext[0], traintext[1])]
test_features = np.c_[np.abs(testA - testB), testA * testB, feats(testtext[0], testtext[1])]
else:
train_features = np.c_[np.abs(trainA - trainB), trainA * trainB]
test_features = np.c_[np.abs(testA - testB), testA * testB]
print 'Evaluating...'
clf = LogisticRegression(C=C)
clf.fit(train_features, labels[0])
yhat = clf.predict(test_features)
print 'Test accuracy: ' + str(clf.score(test_features, labels[1]))
print 'Test F1: ' + str(f1(labels[1], yhat))
def save_caption_vectors_faces(data_dir):
import time
data_dir = 'Data/'
img_dir = join(data_dir, 'faces/jpg')
image_files = [f for f in os.listdir(img_dir) if 'jpg' in f]
print image_files[1:20]
print len(image_files)
image_captions = {img_file: [] for img_file in image_files}
caption_dir = join(data_dir, 'faces/tags/tags_clean.csv')
with open(caption_dir, 'r') as fin:
for line in fin:
l = line.split(',')
img_id = str(l[0]) + '.jpg'
tags = l[1].split('\t')
captions = []
for t in tags:
t2 = t.split(':')
if len(t2) > 1:
captions.append([str(t2[0]), int(t2[1])])
captions.sort(key=lambda tup: tup[1], reverse=True)
for ind, c in enumerate(captions):
# ==================================
# TODO: top 10 tags
# if ind >= 10:
# break
# image_captions[img_id].append(c[0])
# ===================================
# TODO: eyes and hair tags only
if 'eye' in c[0] or 'hair' in c[0]:
image_captions[img_id].append(c[0])
print len(image_captions)
model = skipthoughts.load_model()
encoded_captions = {}
for i, img in enumerate(image_captions):
st = time.time()
encoded_captions[img] = skipthoughts.encode(model, image_captions[img])
print i, len(image_captions), img
print "Seconds", time.time() - st
h = h5py.File(join(data_dir, 'faces_tv.hdf5'))
for key in encoded_captions:
h.create_dataset(key, data=encoded_captions[key])
h.close()
def prepare_data(caps, features, worddict, model, maxlen=None, n_words=10000):
"""
Put data into format useable by the model
"""
seqs = []
feat_list = []
for i, cc in enumerate(caps):
seqs.append([worddict[w] if worddict[w] < n_words else 1 for w in cc.split()])
feat_list.append(features[i])
lengths = [len(s) for s in seqs]
if maxlen != None and numpy.max(lengths) >= maxlen:
new_seqs = []
new_feat_list = []
new_lengths = []
for l, s, y in zip(lengths, seqs, feat_list):
if l < maxlen:
new_seqs.append(s)
new_feat_list.append(y)
new_lengths.append(l)
lengths = new_lengths
feat_list = new_feat_list
seqs = new_seqs
if len(lengths) < 1:
return None, None, None
# Compute skip-thought vectors for this mini-batch
feat_list = skipthoughts.encode(model, feat_list, use_eos=False, verbose=False)
y = numpy.zeros((len(feat_list), len(feat_list[0]))).astype('float32')
for idx, ff in enumerate(feat_list):
y[idx,:] = ff
n_samples = len(seqs)
maxlen = numpy.max(lengths)+1
x = numpy.zeros((maxlen, n_samples)).astype('int64')
x_mask = numpy.zeros((maxlen, n_samples)).astype('float32')
for idx, s in enumerate(seqs):
x[:lengths[idx],idx] = s
x_mask[:lengths[idx]+1,idx] = 1.
return x, x_mask, y
def story(z, image_loc, k=100, bw=50, lyric=False):
"""
Generate a story for an image at location image_loc
"""
# Load the image
rawim, im = load_image(image_loc)
# Run image through convnet
feats = compute_features(z['net'], im).flatten()
feats /= norm(feats)
# Embed image into joint space
feats = embedding.encode_images(z['vse'], feats[None,:])
# Compute the nearest neighbours
scores = numpy.dot(feats, z['cvec'].T).flatten()
sorted_args = numpy.argsort(scores)[::-1]
sentences = [z['cap'][a] for a in sorted_args[:k]]
print 'NEAREST-CAPTIONS: '
for s in sentences[:5]:
print s
print ''
# Compute skip-thought vectors for sentences
svecs = skipthoughts.encode(z['stv'], sentences, verbose=False)
# Style shifting
shift = svecs.mean(0) - z['bneg'] + z['bpos']
# Generate story conditioned on shift
passage = decoder.run_sampler(z['dec'], shift, beam_width=bw)
print 'OUTPUT: '
if lyric:
for line in passage.split(','):
if line[0] != ' ':
print line
else:
print line[1:]
else:
print passage
return passage
def evaluate(model, seed=1234, evaltest=False):
"""
Run experiment
"""
print 'Preparing data...'
train, dev, test, scores = load_data()
train[0], train[1], scores[0] = shuffle(train[0], train[1], scores[0], random_state=seed)
print 'Computing training skipthoughts...'
trainA = skipthoughts.encode(model, train[0], verbose=False, use_eos=True)
trainB = skipthoughts.encode(model, train[1], verbose=False, use_eos=True)
print 'Computing development skipthoughts...'
devA = skipthoughts.encode(model, dev[0], verbose=False, use_eos=True)
devB = skipthoughts.encode(model, dev[1], verbose=False, use_eos=True)
print 'Computing feature combinations...'
trainF = np.c_[np.abs(trainA - trainB), trainA * trainB]
devF = np.c_[np.abs(devA - devB), devA * devB]
print 'Encoding labels...'
trainY = encode_labels(scores[0])
devY = encode_labels(scores[1])
print 'Compiling model...'
lrmodel = prepare_model(ninputs=trainF.shape[1])
print 'Training...'
bestlrmodel = train_model(lrmodel, trainF, trainY, devF, devY, scores[1])
if evaltest:
print 'Computing test skipthoughts...'
testA = skipthoughts.encode(model, test[0], verbose=False, use_eos=True)
testB = skipthoughts.encode(model, test[1], verbose=False, use_eos=True)
print 'Computing feature combinations...'
testF = np.c_[np.abs(testA - testB), testA * testB]
print 'Evaluating...'
r = np.arange(1,6)
yhat = np.dot(bestlrmodel.predict_proba(testF, verbose=2), r)
pr = pearsonr(yhat, scores[2])[0]
sr = spearmanr(yhat, scores[2])[0]
se = mse(yhat, scores[2])
print 'Test Pearson: ' + str(pr)
print 'Test Spearman: ' + str(sr)
print 'Test MSE: ' + str(se)
return yhat
def save_caption_vectors_flowers(data_dir):
import time
img_dir = join(data_dir, 'flowers/jpg')
image_files = [f for f in os.listdir(img_dir) if 'jpg' in f]
print image_files[300:400]
print len(image_files)
image_captions = { img_file : [] for img_file in image_files }
caption_dir = join(data_dir, 'flowers/text_c10')
class_dirs = []
for i in range(1, 103):
class_dir_name = 'class_%.5d'%(i)
class_dirs.append( join(caption_dir, class_dir_name))
for class_dir in class_dirs:
caption_files = [f for f in os.listdir(class_dir) if 'txt' in f]
for cap_file in caption_files:
with open(join(class_dir,cap_file)) as f:
captions = f.read().split('\n')
img_file = cap_file[0:11] + ".jpg"
# 5 captions per image
image_captions[img_file] += [cap for cap in captions if len(cap) > 0][0:5]
print len(image_captions)
model = skipthoughts.load_model()
encoded_captions = {}
for i, img in enumerate(image_captions):
st = time.time()
encoded_captions[img] = skipthoughts.encode(model, image_captions[img])
print i, len(image_captions), img
print "Seconds", time.time() - st
h = h5py.File(join(data_dir, 'flower_tv.hdf5'))
for key in encoded_captions:
h.create_dataset(key, data=encoded_captions[key])
h.close()
def load_data(model, name, loc='./data/', seed=1234):
"""
Load one of MR, CR, SUBJ or MPQA
"""
z = {}
if name == 'MR':
pos, neg = load_rt(loc=loc)
elif name == 'SUBJ':
pos, neg = load_subj(loc=loc)
elif name == 'CR':
pos, neg = load_cr(loc=loc)
elif name == 'MPQA':
pos, neg = load_mpqa(loc=loc)
labels = compute_labels(pos, neg)
text, labels = shuffle_data(pos+neg, labels, seed=seed)
z['text'] = text
z['labels'] = labels
print 'Computing skip-thought vectors...'
features = skipthoughts.encode(model, text, verbose=False)
return z, features
def save_caption_vectors_ms_coco(data_dir, split, batch_size):
meta_data = {}
ic_file = join(data_dir, 'annotations/captions_{}2014.json'.format(split))
with open(ic_file) as f:
ic_data = json.loads(f.read())
meta_data['data_length'] = len(ic_data['annotations'])
with open(join(data_dir, 'meta_{}.pkl'.format(split)), 'wb') as f:
pickle.dump(meta_data, f)
model = skipthoughts.load_model()
batch_no = 0
print "Total Batches", len(ic_data['annotations'])/batch_size
while batch_no*batch_size < len(ic_data['annotations']):
captions = []
image_ids = []
idx = batch_no
for i in range(batch_no*batch_size, (batch_no+1)*batch_size):
idx = i%len(ic_data['annotations'])
captions.append(ic_data['annotations'][idx]['caption'])
image_ids.append(ic_data['annotations'][idx]['image_id'])
print captions
print image_ids
# Thought Vectors
tv_batch = skipthoughts.encode(model, captions)
h5f_tv_batch = h5py.File( join(data_dir, 'tvs/'+split + '_tvs_' + str(batch_no)), 'w')
h5f_tv_batch.create_dataset('tv', data=tv_batch)
h5f_tv_batch.close()
h5f_tv_batch_image_ids = h5py.File( join(data_dir, 'tvs/'+split + '_tv_image_id_' + str(batch_no)), 'w')
h5f_tv_batch_image_ids.create_dataset('tv', data=image_ids)
h5f_tv_batch_image_ids.close()
print "Batches Done", batch_no, len(ic_data['annotations'])/batch_size
batch_no += 1
def embedding_thread(x, y, output):
imdb_key_check = {}
last_stories = []
for i in tqdm(xrange(x,y)):
error = False
qa_info = self.qa[i]
question = str(qa_info.question)
answers = qa_info.answers
correct_index = qa_info.correct_index
imdb_key = str(qa_info.imdb_key)
validation_flag = str(qa_info.qid)
for answer in answers:
if len(answer) == 0 : error = True
if error == True :continue
question_embedding = skipthoughts.encode(model, [question])
words_in_question = word_tokenize(question)
assert question_embedding.shape == (1,4800)
local_answers = skipthoughts.encode(model, answers)
stories = self.story[imdb_key]
local_stories = []
if imdb_key in imdb_key_check: local_stories = last_stories
else:
imdb_key_check[imdb_key] = 1
local_stories = skipthoughts.encode(model, stories)
last_stories = local_stories
skip_dim = 4800
self.zq.append(question_embedding)
self.zaj.append(np.array(local_answers).reshape(5,4800))
zsl_row = np.array(local_stories).shape[0]
print "zsl shape >> ",
print np.array(local_stories).shape
self.zsl.append(np.array(local_stories).reshape(zsl_row,4800))
self.qid.append(qa_info.qid)
print "==========================="
print "each QAInfo status >> "
print "question embedding shape >> ",
print np.array(self.zq).shape
print np.array(self.zq_val).shape
print "answer embedding shape >> ",
print np.array(self.zaj).shape
print np.array(self.zaj_val).shape
print "stories embedding shape >> ",
try:
print np.array(self.zsl).shape
print np.array(self.zsl_val).shape
except:
print "warning : dimension error."
print "ground truth shape >> ",
print np.array(self.ground_truth).shape
print np.array(self.ground_truth_val).shape
print "=========================="
output.put(self.zq)
output.put(self.zaj)
output.put(self.zsl)
output.put(self.qid)
def compute_question_vector(question, model):
"""Takes a question and computes a thought vector representing that question"""
q_vec = skipthoughts.encode(model, question)
return q_vec
vectors_of_papers_for_diff_authors = []
for i in abstract.keys():
t = time()
outfile.write("<author>" + "\n")
outfile.write(i + "\n")
#print i
outfile.write("</author>" + "\n")
outfile.write("<paper_id>" + "\n")
for j in identifier[i]:
outfile.write(j + "\n")
outfile.write("</paper_id>" + "\n")
outfile.write("<paper_vector>" + "\n")
# for k in abstract[i]:
# print k
# abs_in_list = [k]
vecs = skipthoughts.encode(model,abstract[i])
vectors_of_papers_for_diff_authors.append(vecs)
for vec in vecs:
outfile.write(" ".join(str(vec)[1:-1])+'\n')
outfile.write("</paper_vector>" + "\n\n")
#print "Time taken for author: ", i, time()-t
dict_temp = {'author_names':authors, 'paper_vectors':vectors_of_papers_for_diff_authors}
#pkl.dump({'author_names':authors, 'paper_vectors':vectors_of_papers_for_diff_authors}, vec_pickle)
io.savemat('vectors_three_authors.mat',dict_temp)
checkfile.close()
outfile.close()
#vec_pickle.close()
test_sentences = preprocess.get_chain_sentences(test_data)
def get_chunk(iterable, size):
return [iterable[x:x + size] for x in xrange(0, len(iterable), size)]
def save_vectors(dataset, chain_vectors, save_file_name, train=True):
vectors_dict = {}
size = 5 if train else 6
for key, vectors in zip(dataset.keys(), get_chunk(chain_vectors, size)):
vectors_dict[key] = vectors
print("save", save_file_name)
shape = vectors.shape
shape = (1, shape[0], shape[1])
vectors_matrix = np.concatenate([v.reshape(shape) for k, v in sorted(
vectors_dict.items(), key=lambda x:x[0])], axis=0)
np.save(save_file_name, vectors_matrix)
print("encode valid vectors")
valid_vectors = skipthoughts.encode(model, valid_sentences)
save_vectors(valid_data, valid_vectors, "valid_vectors", train=False)
print("encode test vectors")
test_vectors = skipthoughts.encode(model, test_sentences)
save_vectors(test_data, test_vectors, "test_vectors", train=False)
print("encode train vectors")
train_vectors = skipthoughts.encode(model, train_sentences)
save_vectors(train_data, train_vectors, "train_vectors", train=True)
istitle = 1
elif line == '<author>':
isauth = 1
elif line == '<abstract>':
isabs = 1
elif isend == 1:
author2=author1[0]
author2+='$'
author2 = re.sub('[\s]','_',author2)
identifier = author2+re.sub('[\s]','_',title1)
identifier = re.sub(r'\.', '', identifier)
abstract1 = title1+'$'+abstract1
abstract1=re.sub(r'\"','\'',abstract1)
abstract1=abstract1.decode('utf8')
a=[abstract1]
vector=skipthoughts.encode(model,a)
for i in author1:
if i in unique_authors_set:
if identifier not in author_papers[i]:
author_papers[i].append(identifier)
paper_vectors[i].append(vector)
author2,title1,abstract1='','',''
author1=[]
isend = 0
if isend == 1:
author2=author1[0]
author2+='$'
author2 = re.sub('[\s]','_',author2)
identifier = author2+re.sub('[\s]','_',title1)
identifier = re.sub(r'\.', '', identifier)
import skipthoughts model= skipthoughts.load_model() vectors= skipthoughts.encode(model,['This morning, I decided to take a walk. I wonder how these things come into play']) print vectors
import skipthoughts
import play
import os
path_to_file="/Users/wheatwaves/deeplearning/skip-thoughts/data/data/sentencesOfPureText/"
path_to_save_file="/Users/wheatwaves/deeplearning/skip-thoughts/data/data/sentencesOfPureText/"
g=os.walk(path_to_file)
names=[]
for root, dirs, files in g:
names=files
model=skipthoughts.load_model()
for name in names[1:]:
try:
f=open(path_to_file+name)
s=[line.strip().decode('utf-8') for line in f.readlines()]
f.close()
M=skipthoughts.encode(model,s)
scores=[0]*len(s)
except:
f=open(path_to_file+name)
s=[line.strip() for line in f.readlines()]
f.close()
M=skipthoughts.encode(model,s)
scores=[0]*len(s)
for i in xrange(len(M)):
for j in xrange(len(M)):
if i!=j:
scores[i]+=play.cos_similarity(M[i],M[j])
f=open(path_to_save_file+name+'.scores','w')
for num in scores:
f.write(str(num)+'\n')
f.close()
# -*- coding: utf-8 -*-
# Created by junfeng on 3/28/16.
# logging config
import logging
logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s',
datefmt='%m/%d/%Y %I:%M:%S %p',
level=logging.DEBUG)
logger = logging.getLogger(__name__)
import skipthoughts
model = skipthoughts.load_model()
X = [
'Hello, skip thoughts',
]
vectors = skipthoughts.encode(model, X)
print(vectors)
value = pair.get('value')
if value == 'TRUE':
labels[i] = 1
t = pair.find('t')
h = pair.find('h')
t = t.string.strip()
h = h.string.strip()
ts.append(t)
hs.append(h)
samples.append(u'{0} {1}'.format(t, h))
if i % 1000 == 0:
logger.info('processed sample {0}'.format(i))
logger.info('unique ts: {0}, unique hs: {1}'.format(len(set(ts)), len(set(hs))))
logger.info('unique sample: {0}'.format(len(set(samples))))
logger.info('TRUE labels: {0}'.format(np.sum(labels)))
return ts, hs, labels
if __name__ == '__main__':
logger.info('read rte dataset xml file ...')
ts, hs, labels = read_rte_xml()
logger.info('read model ...')
model = read_model()
logger.info('encoding ts ...')
vectorized_ts = skipthoughts.encode(model, ts)
logger.info('encoding hs ...')
vectorized_hs = skipthoughts.encode(model, hs)
logger.info('dump to file ...')
joblib.dump((vectorized_ts, vectorized_hs, labels), './data/processed-rte-dataset.pkl')
logger.info('done')
(row * dimension) : ((row + 1) * dimension), (column * dimension) : ((column + 1) * dimension), :
] = c[:][:][:]
# Note that this is architecture is hardcoded for now
# After generating blurry images ; sharpen them
K = 32
factors = [1, 1, 1]
kernel_sizes = [7, 7, 5]
num_filts = [128, 128, 3]
pathToGANWeights = args.gan_path
sys.path.append(args.skipthought_path)
import skipthoughts
model = skipthoughts.load_model()
y_skipthought = skipthoughts.encode(model, [sentence])
y_skipthought = np.float32(np.repeat(y_skipthought, 100, axis=0))
batch_size = generated_imgs.shape[0]
print generated_imgs.shape, y_skipthought.shape
generate_edges_func = gan(K, batch_size, factors, kernel_sizes, num_filts, pathToGANWeights)
edges = generate_edges_func(generated_imgs, y_skipthought)
generated_imgs = generated_imgs.reshape([generated_imgs.shape[0], 3, K, K])
sharp_imgs = generated_imgs + edges
sharp_imgs[sharp_imgs > 1] = 1
sharp_imgs[sharp_imgs < 0] = 0
total_image_sharp = np.zeros(
(dimension * int(math.sqrt(num_samples)), dimension * int(math.sqrt(num_samples)), 3)
lyrics_table=lyrics_table[['lyrics']].applymap(lyrics_clean)
for i in lyrics_table.index:
lyrics_table.loc[i]['lyrics'].index=[i]*len(lyrics_table.loc[i]['lyrics'])
lyrics_table.iloc[1]['lyrics'][['sentence']].values.transpose().tolist()[0]
all_lyrics_table = pd.concat(lyrics_table['lyrics'].values)
# Calculate sentence similarity
from analysis_package import *
import skipthoughts
model=skipthoughts.load_model()
all_lyrics = all_lyrics_table[['sentence']].values.transpose().tolist()[0]
len(all_lyrics)
vectors = skipthoughts.encode(model,all_lyrics[:10000],use_eos=True)
lyrics_embedding_table = pd.DataFrame(vectors,index = all_lyrics[:10000])
neighbor_table = k_nearest_neighbor(lyrics_embedding_table,5)
def range_filter(df, keys, lower, upper):
key = keys[0]
true_false_table = np.array(df[[key]] < upper) & np.array(df[[key]] > lower)
for key in keys:
true_false_table = true_false_table & (np.array(df[[key]] < upper) & np.array(df[[key]] > lower))
return df[true_false_table]
range_filter(neighbor_table,[3,5,7,9],0.,0.5)
range_filter(neighbor_table,[3,5,7],0.,0.5)
range_filter(neighbor_table,[3,5],0.,0.5)
def embedding_thread(x, y, output):
imdb_key_check = {}
last_stories = []
for i in tqdm(xrange(x,y)):
error = False
qa_info = self.qa[i]
question = str(qa_info.question)
answers = qa_info.answers
correct_index = qa_info.correct_index
imdb_key = str(qa_info.imdb_key)
validation_flag = str(qa_info.qid)
for answer in answers:
if len(answer) == 0 : error = True
if error == True :continue
question_embedding = skipthoughts.encode(model, [question])
words_in_question = word_tokenize(question)
assert question_embedding.shape == (1,4800)
local_answers = skipthoughts.encode(model, answers)
stories = self.story[imdb_key]
local_stories = []
if imdb_key in imdb_key_check: local_stories = last_stories
else:
imdb_key_check[imdb_key] = 1
local_stories = skipthoughts.encode(model, stories)
'''
for sentence in stories:
#local_stories.append(skipthoughts.encode(model, [sentence]))
paragraph_tokenize = sent_tokenize(paragraph)
for sentences in paragraph_tokenize:
words_detected = 0
for w in words_in_question:
if sentences.find(w) != -1: words_detected += 1
if words_detected >= 1: local_stories.append(skipthoughts.encode(model, [sentences])) # skip embedding : story
'''
print local_stories.shape
last_stories = local_stories
skip_dim = 4800
if validation_flag.find('train') != - 1:
self.zq.append(question_embedding)
self.zaj.append(np.array(local_answers).reshape(5,4800))
self.ground_truth.append(correct_index)
zsl_row = np.array(local_stories).shape[0]
print "zsl shape >> ",
print np.array(local_stories).shape
self.zsl.append(np.array(local_stories).reshape(zsl_row,4800))
elif validation_flag.find('val') != -1:
self.zq_val.append(question_embedding)
self.zaj_val.append(np.array(local_answers).reshape(5,4800))
self.ground_truth_val.append(correct_index)
zsl_row = np.array(local_stories).shape[0]
self.zsl_val.append(np.array(local_stories).reshape(zsl_row,4800))
print "==========================="
print "each QAInfo status >> "
print "question embedding shape >> ",
print np.array(self.zq).shape
print np.array(self.zq_val).shape
print "answer embedding shape >> ",
print np.array(self.zaj).shape
print np.array(self.zaj_val).shape
print "stories embedding shape >> ",
try:
print np.array(self.zsl).shape
print np.array(self.zsl_val).shape
except:
print "warning : dimension error."
print "ground truth shape >> ",
print np.array(self.ground_truth).shape
print np.array(self.ground_truth_val).shape
print "=========================="
output.put(self.zq)
output.put(self.zq_val)
output.put(self.zaj)
output.put(self.zaj_val)
output.put(self.zsl)
output.put(self.zsl_val)
output.put(self.ground_truth)
output.put(self.ground_truth_val)
def transform_ques_weak(x, sqa, word_to_id):
'''print "x[0]"
print x[0]
print "x[1]"
print x[1]
print "x[2]"
print x[2]
print "x[3]"
print x[3]
print "x[4]"
print x[4]
#print "x"
#print x
print "x[13][2]"
print x[13][2]
print "x[13][3]"
print x[13][3]
print "x[13][4]"
print x[13][4]
print "word_to_id"
print word_to_id
print "x[4]"
print x[4]
print "x[0][4]"
print x[0][4]
'''
d1 = [[14, 11, 21, 3, 4, 27, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[1, 11, 21, 3, 4, 5, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[20, 2, 3, 4, 12, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[20, 28, 3, 4, 26, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[31, 2, 3, 4, 26, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[14, 39, 4, 9, 10, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[20, 2, 3, 4, 27, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[14, 13, 4, 9, 3, 20, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[20, 13, 4, 9, 3, 14, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[14, 35, 4, 9, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]
d2 = [[14, 11, 21, 3, 4, 27, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[1, 11, 21, 3, 4, 5, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[20, 2, 3, 4, 12, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[20, 28, 3, 4, 26, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[31, 2, 3, 4, 26, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[14, 39, 4, 9, 10, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[20, 2, 3, 4, 27, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]
e = [14, 36, 4, 9, 3, 1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
z = np.zeros((110,4800))
#model = skipthoughts.load_model()
quest = x
'''
indices = []
for stmt in quest[2]:
index_stmt = map(lambda x: word_to_id[x], stmt)
indices.append(index_stmt)
quest[2] = indices
'''
indices = []
for i in range(0, sqa):
qi2 = skipthoughts.encode(model, x[i][2])
s = qi2.shape[0]
z[:s] = qi2
quest[i][2] = z.tolist()
'''
four = encoded_already.s1()
quest[i][2] = four[0]
'''
#print "quest[i][2]"
#print quest[i][2]
#quest[i][2] = d1
#quest[3][2] = d2
#quest[13][2] = d2
quest[i][3] = skipthoughts.encode(model, x[i][3])
q3l = quest[i][3].tolist()
quest[i][3] = q3l[0] #because skipthoughts automatically puts two brackets around a single sentene encoding
'''
four2 = encoded_already.s2()
quest[i][3] = four2[0]
'''
#quest[i][3] = e
#quest[i][4] = skipthoughts.encode(model, x[i][4])
#quest[i][4] = quest[i][4].tolist()
quest[i][4] = word_to_id[x[i][4][0]]
i += 1
return quest
def compute_question_vector2(question, model):
"""Takes a question and computes a thought vector representing that question"""
q_list = question.split(".")
q_vec = sum(skipthoughts.encode(model, sentence) for sentence in q_list)
return q_vec
def embedding_thread(a, b):
imdb_key_check = {}
last_stories = []
for i in tqdm(xrange(a,b)):
error = False
#if i == 100 : break
qa_info = self.qa[i]
question = str(qa_info.question)
answers = qa_info.answers
correct_index = qa_info.correct_index
imdb_key = str(qa_info.imdb_key)
validation_flag = str(qa_info.qid)
question_embedding = skipthoughts.encode(model, [question])
assert question_embedding.shape == (1,4800)
for answer in answers:
if len(answer) == 0 : error = True
if error == True :continue
local_answers = [skipthoughts.encode(model, [str(answer)]) for answer in answers]
gt = [0.0] * 5
gt[correct_index] = 1.0
stories = self.story[imdb_key]
local_stories = []
#for s in stories : print [str(s)]
if imdb_key in imdb_key_check: local_stories = last_stories
else:
imdb_key_check[imdb_key] = 1
local_stories = [skipthoughts.encode(model, [str(s)]) for s in stories]
last_stories = local_stories
skip_dim = 4800
if validation_flag.find('train') != - 1:
self.zq.append(question_embedding.reshape((skip_dim)))
self.zaj.append(np.transpose(np.array(local_answers).reshape(5,skip_dim)))
self.ground_truth.append(np.array(gt))
zsl_row = np.array(local_stories).shape[0]
print "zsl shape >> ",
print np.array(local_stories).shape
self.zsl.append(np.transpose(np.array(local_stories).reshape(zsl_row, skip_dim)))
elif validation_flag.find('val') != -1:
self.zq_val.append(question_embedding.reshape((skip_dim)))
self.zaj_val.append(np.transpose(np.array(local_answers).reshape(5,skip_dim)))
self.ground_truth_val.append(np.array(gt))
zsl_row = np.array(local_stories).shape[0]
self.zsl_val.append(np.transpose(np.array(local_stories).reshape(zsl_row,skip_dim)))
print "==========================="
print "each QAInfo status >> "
print "question embedding shape >> ",
print np.array(self.zq_val).shape
print "answer embedding shape >> ",
print np.array(self.zaj_val).shape
print "stories embedding shape >> ",
try:
print np.array(self.zsl_val).shape
except:
print "warning : dimension error."
print "ground truth shape >> ",
print np.array(self.ground_truth_val).shape
print "=========================="
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--caption_file', type=str, default='Data/sample_captions.txt',
help='caption file')
parser.add_argument('--data_dir', type=str, default='Data',
help='Data Directory')
args = parser.parse_args()
with open( args.caption_file ) as f:
captions = f.read().split('\n')
captions = [cap for cap in captions if len(cap) > 0]
print captions
model = skipthoughts.load_model()
caption_vectors = skipthoughts.encode(model, captions)
if os.path.isfile(join(args.data_dir, 'sample_caption_vectors.hdf5')):
os.remove(join(args.data_dir, 'sample_caption_vectors.hdf5'))
h = h5py.File(join(args.data_dir, 'sample_caption_vectors.hdf5'))
h.create_dataset('vectors', data=caption_vectors)
h.close()