def __init__(self):
melt.PredictorBase.__init__(self)
ShowAndTell.__init__(self, is_training=False, is_predict=True)
if FLAGS.pre_calc_image_feature:
self.image_feature_len = FLAGS.image_feature_len or IMAGE_FEATURE_LEN
#TODO for rl, need use feed dict, so predict will introduce ... need to feed, how to use with_default?
#self.image_feature_feed = tf.placeholder(tf.float32, [None, self.image_feature_len], name='image_feature')
self.image_feature_feed = tf.placeholder_with_default(
[[0.] * self.image_feature_len],
[None, self.image_feature_len],
name='image_feature')
else:
#self.image_feature_feed = tf.placeholder(tf.string, [None,], name='image_feature')
# TODO HACK for nasnet... need this due to using average decay
if os.path.exists('./test.jpg'):
test_image = melt.read_image('./test.jpg')
elif os.path.exists('/tmp/test.jpg'):
test_image = melt.read_image('/tmp/test.jpg')
else:
test_image = None
if test_image is not None:
self.image_feature_feed = tf.placeholder_with_default(
tf.constant([test_image]), [
None,
], name='image_feature')
else:
assert not FLAGS.image_model_name.startswith(
'nasnet'
), 'HACK for nasnet you need one test.jpg in current path or /tmp/ path'
self.image_feature_feed = tf.placeholder(tf.string, [
None,
],
name='image_feature')
tf.add_to_collection('feed', self.image_feature_feed)
tf.add_to_collection('lfeed', self.image_feature_feed)
self.text_feed = tf.placeholder(tf.int64, [None, TEXT_MAX_WORDS],
name='text')
tf.add_to_collection('rfeed', self.text_feed)
self.text = None
self.text_score = None
self.beam_text = None
self.beam_text_score = None
self.image_model = None
self.logprobs_history = False
self.alignment_history = False
self.feed_dict = {}
def get_image_feature_feed(self):
if self.image_feature_feed is None:
if FLAGS.pre_calc_image_feature:
self.image_feature_feed = tf.placeholder(tf.float32, [None, self.image_feature_len], name='image_feature')
else:
# for nasnet you need to always feeed this WHY ? TODO FIMXE
if os.path.exists('./test.jpg'):
test_image = melt.read_image('./test.jpg')
elif os.path.exists('/tmp/test.jpg'):
test_image = melt.read_image('/tmp/test.jpg')
else:
test_image = None
if test_image is not None:
self.image_feature_feed = tf.placeholder_with_default(tf.constant([test_image]), [None,], name='image_feature')
else:
assert not FLAGS.image_model_name.startswith('nasnet'), 'HACK for nasnet you need one test.jpg in current path or /tmp/ path'
self.image_feature_feed = tf.placeholder(tf.string, [None,], name='image_feature')
tf.add_to_collection('feed', self.image_feature_feed)
tf.add_to_collection('lfeed', self.image_feature_feed)
return self.image_feature_feed
def translation_predicts(imgs, img_features, predictor, results):
if isinstance(img_features[0], np.string_):
img_features = np.array([melt.read_image(pic_path) for pic_path in img_features])
texts, _ = predictor.predict_text(img_features)
#only use top prediction of beam search
texts = [x[0] for x in texts]
for i in range(len(texts)):
#for eval even if only one predict must also be list, also exclude last end id
if not FLAGS.eval_translation_reseg:
texts[i] = [' '.join([str(x) for x in texts[i][:list(texts[i]).index(vocab.end_id())]])]
else:
import jieba
texts[i] = ''.join([vocab.key(int(x)) for x in texts[i][:list(texts[i]).index(vocab.end_id())]])
texts[i] = [' '.join([x.encode('utf-8') for x in jieba.cut(texts[i])])]
results[imgs[i]] = texts[i]
def convert_to_tfrecord(input_files, output_file):
"""Converts a file to TFRecords."""
print('Generating %s' % output_file)
with tf.python_io.TFRecordWriter(output_file) as record_writer:
for input_file in tqdm(input_files, ascii=True):
id = os.path.basename(input_file)[:-4]
#img = cv2.imread(input_file)
img = melt.read_image(input_file)
# turn to channel first
#img = img.transpose(2,0,1)
if 'test' not in output_file:
label = m[id]
else:
label = -1
example = tf.train.Example(features=tf.train.Features(
feature={
'id': melt.bytes_feature(id),
#'image': melt.bytes_feature(img.tobytes()),
'image': melt.bytes_feature(img),
'label': melt.int64_feature(label)
}))
record_writer.write(example.SerializeToString())
def deal_file_with_imgdir(file):
out_file = '{}/{}'.format(
FLAGS.output_directory,
'-'.join([FLAGS.name, file.split('/')[-1].split('-')[-1]]))
print('file:', file, 'out_file:', out_file, file=sys.stderr)
with melt.tfrecords.Writer(out_file) as writer:
num = 0
for line in open(file):
if num % 1000 == 0:
print(num, file=sys.stderr)
l = line.rstrip('\n').split('\t')
img = l[0]
texts = l[FLAGS.text_index].split('\x01')
image_path = os.path.join(FLAGS.image_dir, img.replace('/', '_'))
encoded_image = melt.read_image(image_path)
is_top_text = True
for text in texts:
text = normalize.norm(text)
if text.strip() == '':
print('empty line', line, file=sys.stderr)
continue
word_ids = _text2ids(text, TEXT_MAX_WORDS)
word_ids_length = len(word_ids)
if num % 10000 == 0:
print(img,
text,
word_ids,
text2ids.ids2text(word_ids),
file=sys.stderr)
if len(word_ids) == 0:
print('empy wordids!', file=sys.stderr)
print(img,
text,
word_ids,
text2ids.ids2text(word_ids),
file=sys.stderr)
continue
#if is_luanma(words, word_ids):
# print('luanma', img, text, word_ids, text2ids.ids2text(word_ids), len(image_feature), file=sys.stderr)
# continue
word_ids = word_ids[:TEXT_MAX_WORDS]
if FLAGS.pad:
word_ids = gezi.pad(word_ids, TEXT_MAX_WORDS, 0)
if not FLAGS.write_sequence_example:
example = tf.train.Example(features=tf.train.Features(
feature={
'image_name': melt.bytes_feature(img),
'image_data': melt.bytes_feature(encoded_image),
'text_str': melt.bytes_feature(text),
'text': melt.int64_feature(word_ids),
}))
else:
example = tf.train.SequenceExample(
context=melt.features({
'image_name':
melt.bytes_feature(img),
'image_data':
melt.bytes_feature(encoded_image),
'text_str':
melt.bytes_feature(text),
}),
feature_lists=melt.feature_lists(
{'text': melt.int64_feature_list(word_ids)}))
writer.write(example)
#global counter, max_num_words, sum_words
with record_counter.get_lock():
record_counter.value += 1
if word_ids_length > max_num_words.value:
with max_num_words.get_lock():
max_num_words.value = word_ids_length
with sum_words.get_lock():
sum_words.value += word_ids_length
if FLAGS.np_save:
assert FLAGS.threads == 1
gtexts.append(word_ids)
gtext_strs.append(text)
#Depreciated not use image_labels
if img not in image_labels:
image_labels[img] = set()
image_labels[img].add(text)
if is_top_text:
is_top_text = False
with image_counter.get_lock():
image_counter.value += 1
if FLAGS.np_save:
if img not in image_labels:
image_labels[img] = set()
image_names.append(img)
#actually save pic path instead of image feature
image_features.append(
os.path.join(FLAGS.image_dir,
img.replace('/', '_')))
if FLAGS.num_max_records > 0:
#if fixed valid only get one click for each image
break
num += 1
if num == FLAGS.num_max_records:
break
word_ids = text2ids.text2ids(text)
seg_text = text2ids.ids2text(word_ids, print_end=False)
print('label:', text, seg_text)
words_importance = sim_predictor.words_importance([word_ids])
words_importance = words_importance[0]
print('word importance:')
for i in range(len(word_ids)):
if word_ids[i] == 0:
break
print(vocab.key(int(word_ids[i])), words_importance[i], end='|')
print()
except Exception:
print(traceback.format_exc(), file=sys.stderr)
pass
image = melt.read_image(image_path)
word_ids, scores = predictor.word_ids([image])
word_id = word_ids[0]
score = scores[0]
print('best predict:', ids2text.translate(word_id[0]), score[0], '/'.join([vocab.key(int(id)) for id in word_id[0] if id != vocab.end_id()]))
l = [id for id in word_id[0] if id != vocab.end_id()]
l = gezi.pad(l, TEXT_MAX_WORDS)
words_importance = sim_predictor.words_importance([l])
words_importance = words_importance[0]
print('word importance:')
for i in range(len(word_id[0])):
if word_id[0][i] == vocab.end_id():
break
print(vocab.key(int(word_id[0][i])), words_importance[i], end='|')
import melt
p = melt.SimplePredictor('./mount/temp/cifar10/model/resnet.momentum.decay/epoch/model.ckpt-30.00-10530', key='pre_logits')
feature = p.inference([melt.read_image('./mount/data/kaggle/cifar-10/test/10.png')])
print(feature)
def predict(image_name, num_show=1):
image_path = os.path.join(image_dir, image_name)
if not os.path.exists(image_path):
print('path not exists:%s' % image_path)
return
img = melt.read_image(image_path)
feature = image_model.gen_feature(img) if image_model is not None else img
timer = gezi.Timer()
init_states = predictor.inference(
[
'beam_search_beam_size', 'beam_search_initial_state',
'beam_search_initial_ids', 'beam_search_initial_logprobs',
'beam_search_initial_alignments'
],
feed_dict={tf.get_collection('feed')[0]: feature})
step_func = lambda input_feed, state_feed: predictor.inference(
[
'beam_search_state',
'beam_search_ids',
'beam_search_logprobs',
'beam_search_alignments',
],
feed_dict={
#TODO...attetion still need input_text feed, see rnn_decoder.py beam_search_step
#but not hurt perfomance much because encoder is fast? Is it possible to avoid this?
#anyway if no attention will not need input_text_feed
tf.get_collection('feed')[0]:
feature,
tf.get_collection('beam_search_input_feed')[0]:
input_feed,
tf.get_collection('beam_search_state_feed')[0]:
state_feed
})
beams = melt.seq2seq.beam_search(init_states,
step_func,
end_id=ids2text.end_id(),
max_words=decode_max_words,
length_normalization_factor=1.)
for i, beam in enumerate(beams):
print(i, beam.words, ids2text.ids2text(beam.words),
math.exp(beam.score))
# Plot images with attention weights
words = beam.words
img = ndimage.imread(image_path)
num_features = melt.image.get_num_features(image_model_name)
dim = int(np.sqrt(num_features))
#print('dim:', dim)
n_words = len(words)
w = np.round(np.sqrt(n_words))
h = np.ceil(np.float32(n_words) / w)
plt.subplot(w, h, 1)
plt.imshow(img)
plt.axis('off')
#img = scipy.misc.imresize(img, (dim, dim))
smooth = True #TODO smooth = Ture seems not work not back ground pic
smooth = False
if i == 0:
for j in range(len(words)):
plt.subplot(w, h, j + 2)
lab = pinyin.Convert(
ids2text.vocab.key(words[j]).decode('utf8').encode('gbk'))
lab += '(%0.2f)' % math.exp(beam.logprobs[j])
plt.text(0, 1, lab, backgroundcolor='white', fontsize=10)
plt.text(0, 1, lab, color='black', fontsize=10)
plt.imshow(img)
if smooth:
alpha_img = skimage.transform.pyramid_expand(
beam.alignments_list[j].reshape(dim, dim),
upscale=16,
sigma=20)
else:
alpha_img = skimage.transform.resize(
beam.alignments_list[j].reshape(dim, dim),
[img.shape[0], img.shape[1]])
plt.imshow(alpha_img, alpha=0.8)
plt.set_cmap(cm.Greys_r)
plt.axis('off')
#plt.show()
plt.savefig('test%d.pdf' % i)
import sys, os
from deepiu.util.sim_predictor import SimPredictor
from deepiu.util import vocabulary
import melt
image_dir = '/home/gezi/data2/data/ai_challenger/image_caption/pic/'
image_file = '6275b5349168ac3fab6a493c509301d023cf39d3.jpg'
if len(sys.argv) > 1:
image_file = sys.argv[1]
image_path = os.path.join(image_dir, image_file)
image_model_checkpoint_path = '/home/gezi/data/image_model_check_point/inception_resnet_v2_2016_08_30.ckpt'
model_dir = '/home/gezi/new/temp/image-caption/ai-challenger/model/bow/'
vocab_path = '/home/gezi/new/temp/image-caption/ai-challenger/tfrecord/seq-basic/vocab.txt'
vocabulary.init(vocab_path)
vocab = vocabulary.vocab
predictor = SimPredictor(model_dir,
image_model_checkpoint_path,
image_model_name='InceptionResnetV2')
scores, word_ids = predictor.top_words([melt.read_image(image_path)], 50)
scores = scores[0]
word_ids = word_ids[0]
for word_id, score in zip(word_ids, scores):
print(vocab.key(int(word_id)), score)
def predicts_txt2im(text_strs, texts, predictor, rank_metrics, exact_predictor=None):
timer = gezi.Timer('preidctor.predict text2im')
if exact_predictor is None:
if assistant_predictor:
exact_predictor = predictor
predictor = assistant_predictor
_, img_features = get_image_names_and_features()
# TODO gpu outofmem predict for showandtell
#---NOTICE this might be too much mem cost if image is original encoded binary not image feature
img_features = img_features[:FLAGS.max_images]
if isinstance(img_features[0], np.string_):
assert(len(img_features) < 2000) #otherwise too big mem ..
img_features = [melt.read_image(pic_path) for pic_path in img_features]
step = len(img_features)
if FLAGS.metric_eval_images_size > 0 and FLAGS.metric_eval_images_size < step:
step = FLAGS.metric_eval_images_size
start = 0
scores = []
while start < len(img_features):
end = start + step
if end > len(img_features):
end = len(img_features)
#print('predicts images start:', start, 'end:', end, file=sys.stderr, end='\r')
#here might not accept raw image for bow predictor as assistant predictor TODO how to add image process here to gen feature first?
score = predictor.predict(img_features[start: end], texts)
scores.append(score)
start = end
#score = predictor.predict(img_features, texts)
score = np.concatenate(scores, 0)
score = score.transpose()
#print('image_feature_shape:', img_features.shape, 'text_feature_shape:', texts.shape, 'score_shape:', score.shape)
timer.print()
text2img = get_bidrectional_lable_map_txt2im()
num_imgs = img_features.shape[0]
for i, text_str in enumerate(text_strs):
indexes = (-score[i]).argsort()
#rerank
if exact_predictor:
top_indexes = indexes[:FLAGS.assistant_rerank_num]
exact_imgs = img_features[top_indexes]
exact_score = exact_predictor.elementwise_predict(exact_imgs, [texts[i]])
exact_score = exact_score[0]
exact_indexes = (-exact_score).argsort()
new_indexes = [x for x in indexes]
for j in range(len(exact_indexes)):
new_indexes[j] = indexes[exact_indexes[j]]
indexes = new_indexes
hits = text2img[text_str]
num_positions = min(num_imgs, FLAGS.metric_topn)
#num_positions = num_imgs
labels = [indexes[j] in hits for j in xrange(num_positions)]
rank_metrics.add(labels)
def predicts(imgs, img_features, predictor, rank_metrics, exact_predictor=None, exact_ratio=1.):
# TODO gpu outofmem predict for showandtell#
if exact_predictor is None:
if assistant_predictor is not None:
exact_predictor = predictor
predictor = assistant_predictor
#print(predictor, exact_predictor)
if isinstance(img_features[0], np.string_):
assert(len(img_features) < 2000) #otherwise too big mem ..
img_features = np.array([melt.read_image(pic_path) for pic_path in img_features])
img2text = get_bidrectional_lable_map()
random = True
need_shuffle = False
if FLAGS.max_texts > 0 and len(all_distinct_texts) > FLAGS.max_texts:
assert random
if not random:
texts = all_distinct_texts[:FLAGS.max_texts]
else:
need_shuffle = True
all_hits = set()
for img in (imgs):
hits = img2text[img]
for hit in hits:
all_hits.add(hit)
index = np.random.choice(len(all_distinct_texts), FLAGS.max_texts, replace=False)
index = [x for x in index if x not in all_hits]
index = list(all_hits) + index
index = index[:FLAGS.max_texts]
index = np.array(index)
texts = all_distinct_texts[index]
else:
texts = all_distinct_texts
text_strs = all_distinct_text_strs
step = len(texts)
if FLAGS.metric_eval_texts_size > 0 and FLAGS.metric_eval_texts_size < step:
step = FLAGS.metric_eval_texts_size
start = 0
scores = []
while start < len(texts):
end = start + step
if end > len(texts):
end = len(texts)
#print('predicts texts start:', start, 'end:', end, end='\r', file=sys.stderr)
score = predictor.predict(img_features, texts[start: end])
scores.append(score)
start = end
score = np.concatenate(scores, 1)
#print('image_feature_shape:', img_features.shape, 'text_feature_shape:', texts.shape, 'score_shape:', score.shape)
num_texts = texts.shape[0]
for i, img in enumerate(imgs):
indexes = (-score[i]).argsort()
#rerank
if exact_predictor:
top_indexes = indexes[:FLAGS.assistant_rerank_num]
exact_texts = texts[top_indexes]
exact_score = exact_predictor.elementwise_predict([img_features[i]], exact_texts)
exact_score = np.squeeze(exact_score)
if exact_ratio < 1.:
for j in range(len(top_indexes)):
exact_score[j] = exact_ratio * exact_score[j] + (1. - exact_ratio) * score[i][top_indexes[j]]
#print(exact_score)
exact_indexes = (-exact_score).argsort()
#print(exact_indexes)
new_indexes = [x for x in indexes]
for j in range(len(exact_indexes)):
new_indexes[j] = indexes[exact_indexes[j]]
indexes = new_indexes
hits = img2text[img]
if FLAGS.show_info_interval and i % FLAGS.show_info_interval == 0:
label_text = '|'.join([text_strs[x] for x in hits])
img_str = img
if is_img(img):
img_str = '{0}<p><a href={1} target=_blank><img src={1} height=200></a></p>'.format(img, get_img_url(img))
logging.info('<P>obj: {} label: {}</P>'.format(img_str, label_text))
for j in range(5):
is_hit = indexes[j] in hits if not need_shuffle else index[indexes[j]] in hits
logging.info('<P>{} {} {} {}</P>'.format(j, is_hit, ids2text(texts[indexes[j]]), exact_score[exact_indexes[j]] if exact_predictor else score[i][indexes[j]]))
#notice only work for recall@ or precision@ not work for ndcg@, if ndcg@ must use all
num_positions = min(num_texts, FLAGS.metric_topn)
#num_positions = num_texts
if not need_shuffle:
labels = [indexes[j] in hits for j in xrange(num_positions)]
else:
labels = [index[indexes[j]] in hits for j in xrange(num_positions)]
rank_metrics.add(labels)
