def test(model, dataloader, args):
scorer = Bleu(4)
m_scorer = Meteor()
r_scorer = Rouge()
hyp = []
ref = []
model.eval()
gold_file = open('tmp_gold.txt', 'w')
pred_file = open('tmp_pred.txt', 'w')
with tqdm(dataloader, desc='Test ', mininterval=1) as tq:
for batch in tq:
with torch.no_grad():
seq = model(batch, beam_size=args.beam_size)
r = write_txt(batch, batch['tgt_text'], gold_file, args)
h = write_txt(batch, seq, pred_file, args)
hyp.extend(h)
ref.extend(r)
hyp = dict(zip(range(len(hyp)), hyp))
ref = dict(zip(range(len(ref)), ref))
print(hyp[0], ref[0])
print('BLEU INP', len(hyp), len(ref))
print('BLEU', scorer.compute_score(ref, hyp)[0])
print('METEOR', m_scorer.compute_score(ref, hyp)[0])
print('ROUGE_L', r_scorer.compute_score(ref, hyp)[0])
gold_file.close()
pred_file.close()
def language_eval_excoco(predictions, predictions_bleu, sents_label_eval,
loader):
Scorer = CiderD()
Bleu_scorer = Bleu(4)
METEOR_scorer = Meteor()
ROUGE_scorer = Rouge()
c_score, _ = Scorer.compute_score(sents_label_eval, predictions)
b_score, _ = Bleu_scorer.compute_score(sents_label_eval, predictions_bleu)
m_score, _ = METEOR_scorer.compute_score(sents_label_eval,
predictions_bleu)
r_score, _ = ROUGE_scorer.compute_score(sents_label_eval, predictions_bleu)
print('Evaluating {} samples'.format(len(predictions)))
print('Bleu_1 : ' + str(b_score[0]))
print('Bleu_2 : ' + str(b_score[1]))
print('Bleu_3 : ' + str(b_score[2]))
print('Bleu_4 : ' + str(b_score[3]))
print('METEOR : ' + str(m_score))
print('ROUGE_L : ' + str(r_score))
print('CIDEr : ' + str(c_score))
lang_stat = {}
lang_stat['BLEU_1'] = b_score[0]
lang_stat['BLEU_2'] = b_score[1]
lang_stat['BLEU_3'] = b_score[2]
lang_stat['BLEU_4'] = b_score[3]
lang_stat['METEOR'] = m_score
lang_stat['ROUGE_L'] = r_score
lang_stat['CIDEr'] = c_score
return lang_stat
def rouge_scorer(reference, hypothesis):
# =================================================
# Compute scores
# =================================================
scorer = Rouge()
average_score, score = scorer.compute_score(reference, hypothesis)
return average_score, score
def get_corpus_bleu(model, data_loader, vocabs, device, beam_size):
import torch
from pycocoevalcap.bleu.bleu import Bleu
from pycocoevalcap.cider.cider import Cider
from pycocoevalcap.rouge.rouge import Rouge
"""Defining Scorers"""
scorer_bleu = Bleu(4)
scorer_rouge = Rouge()
scorer_cider = Cider()
sequences_ref = {}
sequences_gen = {}
bad_words = ['<SOS>', '<EOS>', '<UNK>']
bad_toks = [vocabs['word_vocab'](i) for i in bad_words]
"""Generation Loop"""
for i, data in enumerate(data_loader):
with torch.no_grad():
captions = data['captions']
length = captions.size(1) - 1
targets = captions.narrow(1, 1, length)
images = data['images'].to(device)
topics = data['topics'].to(device)
predictions = model.sample_v2(images, topics, beam_size=beam_size)
sequences_ref[i] = [
" ".join([
vocabs['word_vocab'](j.item()) for j in targets[0]
if j.item() not in bad_toks
])
]
sequences_gen[i] = [
" ".join([
vocabs['word_vocab'](j.item()) for j in predictions[0][1]
if j.item() not in bad_toks
])
]
# sequences_gen[i] = [" ".join([vocabs['word_vocab'](j) for j in predictions[0] if j not in bad_toks])]
"""Getting Scores"""
bleu_score, bleu_scores = scorer_bleu.compute_score(
sequences_ref, sequences_gen)
rouge_score, rouge_scores = scorer_rouge.compute_score(
sequences_ref, sequences_gen)
cider_score, cider_scores = scorer_cider.compute_score(
sequences_ref, sequences_gen)
scores = {
'bleu_score': bleu_score,
'rouge_score': rouge_score,
'cider_score': cider_score
}
print(scores)
return scores
def _define_metrics(gts, res):
bleu_scorer = Bleu(n=4)
bleu, _ = bleu_scorer.compute_score(gts=gts, res=res)
rouge_scorer = Rouge()
rouge, _ = rouge_scorer.compute_score(gts=gts, res=res)
cider_scorer = Cider()
cider, _ = cider_scorer.compute_score(gts=gts, res=res)
meteor_scorer = Meteor()
meteor, _ = meteor_scorer.compute_score(gts=gts, res=res)
for i in range(4):
bleu[i] = round(bleu[i], 4)
return bleu, round(meteor, 4), round(rouge, 4), round(cider, 4)
def eval(result_gts_path, result_res_path):
with open(result_gts_path, 'r') as file:
gts_dict = json.load(file)
with open(result_res_path, 'r') as file:
res_dict = json.load(file)
bleu_score = Bleu(n=4)
bleu, _ = bleu_score.compute_score(gts=gts_dict, res=res_dict)
meteor_score = Meteor()
meteor, _ = meteor_score.compute_score(gts=gts_dict, res=res_dict)
rouge_scorer = Rouge()
rouge, _ = rouge_scorer.compute_score(gts=gts_dict, res=res_dict)
cider_scorer = Cider()
cider, _ = cider_scorer.compute_score(gts=gts_dict, res=res_dict)
return bleu, meteor, rouge, cider
class RougeBleuScore(Metric):
def __init__(self, coco, vocab, n = 4):
self.coco = coco
self.vocab = vocab
self.bleu = Bleu(n)
self.n = n
self.rouge = Rouge()
def evaluate(self, y_pred, y, image_ids):
if type(y_pred) == list:
caption_pred_list = caption_list_to_words(y_pred, self.vocab)
else:
caption_pred_list = tensor_to_words(y_pred, y, self.vocab)
captions_pred, captions_gt = extract_captions(image_ids, caption_pred_list, self.coco)
blockPrint()
scores = self.bleu.compute_score(captions_gt, captions_pred)[0]
enablePrint()
scores.append(self.rouge.compute_score(captions_gt, captions_pred)[0])
return scores
def calculate_metric(rnn, meteor=None):
gts = {}
res = {}
lp_avg = 0.0
lp_c = 0
for idx in range(rnn.V_valid.shape[0]):
iid = rnn.Id_valid[idx]
if iid not in gts: gts[iid] = []
#gts[iid].append(' '.join([rnn.dp.i2w[w] for w in rnn.X_valid[idx] if w != 0][::-1]))
gts[iid] = [
' '.join(rnn.dp.tokens[i][::-1])
for i in rnn.dp.img_id_to_tokens[iid]
]
if iid in res: continue
res[iid] = []
#pos_sen, pos_att = rnn.get_sentence(rnn.V_valid[idx], senti=np.array([1.0], dtype=theano.config.floatX))
(lp, pos_sen) = decoder_beamsearch(rnn,
rnn.V_valid[idx],
senti=1.0,
beam_size=1)
pos_sen = pos_sen[:-1]
print(' '.join(pos_sen[::-1]))
res[iid].append(' '.join(pos_sen[::-1]))
lp_avg += np.exp(lp)
lp_c += 1
lp_avg /= float(lp_c)
return lp_avg
bleu = Bleu()
print("Bleu:")
print("Positive:", bleu.compute_score(gts, res)[0])
rouge = Rouge()
print("Rouge:")
print("Positive:", rouge.compute_score(gts, res)[0])
if meteor is None:
meteor = Meteor()
print("Meteor:")
mscore = meteor.compute_score(gts, res)[0]
print("Positive:", mscore)
return mscore
def rouge():
scorer = Rouge()
score, scores = scorer.compute_score(gts, res)
print('rouge = %s' % score)
def rouge(gts, res):
scorer = Rouge()
score, scores = scorer.compute_score(gts, res)
out_file.write('ROUGE = %s' % score + '\n')
def coco_caption_metrics(predictions_list,
image_id_list,
vocabulary_path='data/vocabulary.json',
max_caption_length=25,
batch_size=32,
is_training=True):
with open(vocabulary_path, 'r') as file:
vocabulary_list = json.load(file)
word2id = {}
for i in range(vocabulary_list.__len__()):
word2id[vocabulary_list[i]] = i
id2word = {v: k for k, v in word2id.items()}
with open('data/captions_gt.json', 'r') as file:
captions_gt_dict = json.load(file)
gts = {}
res = {}
for i in range(0, predictions_list.__len__()):
for j in range(0, batch_size):
sen_input, sen_ground_truth = [], []
for k in range(max_caption_length):
id_input = int(predictions_list[i][k][j])
sen_input.append(id2word[id_input])
sen_pre = []
for n in range(max_caption_length):
word = sen_input[n]
if word != '</S>':
sen_pre.append(word)
else:
break
str_input = ' '.join(sen_pre)
image_id = image_id_list[i][j][0]
# print(image_id)
res[image_id] = [str_input]
gts[image_id] = captions_gt_dict[str(image_id)]
if not is_training:
# for key in gts.keys():
# str_input = res[key]
# str_grundtruth = gts[key]
# print(key)
# print(str_input)
# print(str_grundtruth)
# print('*' * 100)
with open('data/result/result_res.json', 'w') as file:
json.dump(res, file)
with open('data/result/result_gts.json', 'w') as file:
json.dump(gts, file)
# print('result.json get success')
bleu_scorer = Bleu(n=4)
bleu, _ = bleu_scorer.compute_score(gts=gts, res=res)
rouge_scorer = Rouge()
rouge, _ = rouge_scorer.compute_score(gts=gts, res=res)
cider_scorer = Cider()
cider, _ = cider_scorer.compute_score(gts=gts, res=res)
meteor_scorer = Meteor()
meteor, _ = meteor_scorer.compute_score(gts=gts, res=res)
for i in range(4):
bleu[i] = round(bleu[i], 4)
return bleu, round(meteor, 4), round(rouge, 4), round(cider, 4)
def evaluate(beam_size):
"""
Evaluation
:param beam_size: beam size at which to generate captions for evaluation
:return: BLEU-4 score
"""
# DataLoader
loader = torch.utils.data.DataLoader(CaptionDataset(
data_folder,
data_name,
'TEST',
transform=transforms.Compose([normalize])),
batch_size=1,
shuffle=True,
num_workers=0,
pin_memory=False)
# TODO: Batched Beam Search
# Therefore, do not use a batch_size greater than 1 - IMPORTANT!
# Lists to store references (true captions), and hypothesis (prediction) for each image
# If for n images, we have n hypotheses, and references a, b, c... for each image, we need -
# references = [[ref1a, ref1b, ref1c], [ref2a, ref2b], ...], hypotheses = [hyp1, hyp2, ...]
references = dict()
hypotheses = dict()
# For each image
for j, (image, caps, caplens, allcaps) in enumerate(
tqdm(loader, desc="EVALUATING AT BEAM SIZE " + str(beam_size))):
k = beam_size
# Move to GPU device, if available
image = image.to(device) # (1, 3, 256, 256)
attrs, encoder_out = encoder(image)
attrs = attrs.expand(3, attrs_dim)
enc_image_size = encoder_out.size(1)
encoder_dim = encoder_out.size(3)
encoder_out = encoder_out.view(1, -1, encoder_dim)
num_pixels = encoder_out.size(1)
encoder_out = encoder_out.expand(k, num_pixels, encoder_dim)
x0 = decoder.init_x0(attrs)
# Tensor to store top k previous words at each step; now they're just <start>
k_prev_words = torch.LongTensor([[word_map['<start>']]] * k).to(
device) # (k, 1)
# Tensor to store top k sequences; now they're just <start>
seqs = k_prev_words # (k, 1)
# Tensor to store top k sequences' scores; now they're just 0
top_k_scores = torch.zeros(k, 1).to(device) # (k, 1)
# Lists to store completed sequences and scores
complete_seqs = list()
complete_seqs_scores = list()
# Start decoding
step = 1
h1, c1, h2, c2 = decoder.init_hidden_state(attrs,
encoder_out,
zero=True)
h1, c1 = decoder.decode_step1(x0, (h1, c1))
# s is a number less than or equal to k, because sequences are removed from this process once they hit <end>
while True:
embeddings = decoder.embedding(k_prev_words).squeeze(
1) # (s, embed_dim)
h1, c1 = decoder.decode_step1(embeddings, (h1, c1))
awe, _ = decoder.attention(encoder_out, h1, h2)
# gate = decoder.sigmoid(decoder.f_beta(h2))
# awe = gate * awe
h2, c2 = decoder.decode_step2(torch.cat([embeddings, awe], dim=1),
(h2, c2))
scores = decoder.fc2(decoder.dropout2(h2))
scores = F.log_softmax(scores, dim=1)
# Add
scores = top_k_scores.expand_as(scores) + scores # (s, vocab_size)
# For the first step, all k points will have the same scores (since same k previous words, h, c)
if step == 1:
top_k_scores, top_k_words = scores[0].topk(k, 0, True,
True) # (s)
else:
# Unroll and find top scores, and their unrolled indices
# (s) 所有分数中最大的k个
top_k_scores, top_k_words = scores.view(-1).topk(
k, 0, True, True)
# Convert unrolled indices to actual indices of scores
# 上面展开了,prev_word_inds得到哪些句子是概率最大的
prev_word_inds = top_k_words / vocab_size # (s)
next_word_inds = top_k_words % vocab_size # (s)
# Add new words to sequences
seqs = torch.cat(
[seqs[prev_word_inds],
next_word_inds.unsqueeze(1)], dim=1) # (s, step+1)
# Which sequences are incomplete (didn't reach <end>)?
incomplete_inds = [
ind for ind, next_word in enumerate(next_word_inds)
if next_word != word_map['<end>']
]
complete_inds = list(
set(range(len(next_word_inds))) - set(incomplete_inds))
# Set aside complete sequences
if len(complete_inds) > 0:
complete_seqs.extend(seqs[complete_inds].tolist())
complete_seqs_scores.extend(top_k_scores[complete_inds])
k -= len(complete_inds) # reduce beam length accordingly
# Proceed with incomplete sequences
if k == 0:
break
seqs = seqs[incomplete_inds]
h1 = h1[prev_word_inds[incomplete_inds]]
c1 = c1[prev_word_inds[incomplete_inds]]
h2 = h2[prev_word_inds[incomplete_inds]]
c2 = c2[prev_word_inds[incomplete_inds]]
encoder_out = encoder_out[prev_word_inds[incomplete_inds]]
top_k_scores = top_k_scores[incomplete_inds].unsqueeze(1)
k_prev_words = next_word_inds[incomplete_inds].unsqueeze(1)
# Break if things have been going on too long
if step > 50:
break
step += 1
i = complete_seqs_scores.index(max(complete_seqs_scores))
seq = complete_seqs[i]
# References
img_caps = allcaps[0].tolist()
img_captions = list(
map(
lambda c: [
rev_word_map[w] for w in c if w not in {
word_map['<start>'], word_map['<end>'], word_map[
'<pad>']
}
], img_caps)) # remove <start> and pads
img_caps = [' '.join(c) for c in img_captions]
# print(img_caps)
references[str(j)] = img_caps
# Hypotheses
hypothesis = ([
rev_word_map[w] for w in seq if w not in
{word_map['<start>'], word_map['<end>'], word_map['<pad>']}
])
hypothesis = [' '.join(hypothesis)]
# print(hypothesis)
hypotheses[str(j)] = hypothesis
assert len(references) == len(hypotheses)
# Calculate BLEU-1~BLEU4 scores
m1 = Bleu()
m2 = Meteor()
m3 = Cider()
m4 = Rouge()
m5 = Spice()
(score1, scores1) = m1.compute_score(references, hypotheses)
(score2, scores2) = m2.compute_score(references, hypotheses)
(score3, scores3) = m3.compute_score(references, hypotheses)
(score4, scores4) = m4.compute_score(references, hypotheses)
(score5, scores5) = m5.compute_score(references, hypotheses)
return score1, score2, score3, score4, score5
with open(system, 'r') as f:
for line in f:
sys_strs.append(line.strip())
assert len(ref1_strs) == len(ref2_strs)
assert len(ref2_strs) == len(sys_strs)
word_target_dict = {}
word_response_dict = {}
rouges = []
for i in range(len(ref1_strs)):
wtd = {i: [ref1_strs[i], ref2_strs[i]]}
wrd = {i: [sys_strs[i]]}
rouge, _ = rouge_obj.compute_score(wtd, wrd)
rouges.append(rouge)
print(np.mean(rouges))
with open("%s-rouges.txt" % system, 'w') as outf:
for r in rouges:
outf.write(str(r) + '\n')
for i in range(len(ref1_strs)):
word_target_dict[i] = [ref1_strs[i], ref2_strs[i]]
word_response_dict[i] = [sys_strs[i]]
bleu_score, bleu_scores = bleu_obj.compute_score(word_target_dict,
word_response_dict)
def coco_caption_metrics_hier(predicts_list,
sentences_list,
image_id_list,
config,
batch_size=26,
is_training=True):
with open(config.vocabulary_path, 'r') as file:
vocabulary_list = json.load(file)
word2id = {}
for i in range(vocabulary_list.__len__()):
word2id[vocabulary_list[i]] = i
id2word = {v: k for k, v in word2id.items()}
gts = {}
res = {}
for i in range(0, predicts_list.__len__()):
for j in range(0, batch_size):
sent_pre, sent_gt = [], []
for k in range(config.max_sentence_num *
config.max_sentence_length):
id_input = int(predicts_list[i][k][j])
sent_pre.append(id2word[id_input])
id_gt = sentences_list[i][j][k]
if (not id2word[id_gt].__eq__('</S>')) and (
not id2word[id_gt].__eq__('<EOS>')):
sent_gt.append(id2word[id_gt])
# sent_pre2 = sent_pre
sent_pre2 = []
for n in range(config.max_sentence_num):
for m in range(config.max_sentence_length):
word = sent_pre[n * config.max_sentence_length + m]
if word != '</S>':
sent_pre2.append(word)
else:
break
str_pre, str_gt = ' '.join(sent_pre2), ' '.join(sent_gt)
image_id = image_id_list[i][j][0]
gts[str(image_id)] = [str_gt]
res[str(image_id)] = [str_pre]
if not is_training:
with open(config.result_gts_path, 'w') as file:
json.dump(gts, file)
with open(config.result_res_path, 'w') as file:
json.dump(res, file)
bleu_scorer = Bleu(n=4)
bleu, _ = bleu_scorer.compute_score(gts=gts, res=res)
rouge_scorer = Rouge()
rouge, _ = rouge_scorer.compute_score(gts=gts, res=res)
cider_scorer = Cider()
cider, _ = cider_scorer.compute_score(gts=gts, res=res)
# #
# meteor_scorer = Meteor()
# meteor, _ = meteor_scorer.compute_score(gts=gts, res=res)
for i in range(4):
bleu[i] = round(bleu[i], 4)
# return bleu, round(meteor, 4), round(rouge, 4), round(cider, 4)
return bleu, round(rouge, 4), round(cider, 4)
def run_load_gap_filler(pretrained_filename,
do_bleu=False,
must_have_anp=False,
copy_if_no_anp=False,
replace_adj=False,
get_human=False,
semi_human=False):
rnn = RNNModel()
rnn.load_model(pretrained_filename)
rnn.conf['VAL_SPLIT'] = RNNDataProvider.TEST
if get_human:
id_to_caps = pickle.load(open("coco_mturk/id_to_caps.pik", "rb"))
rnn.build_model_core()
rnn.load_val_dataset()
rnn.build_sentence_generator()
rnn.build_perplexity_calculator()
#print rnn.sample_sentence(rnn.V_valid[0])
#print decoder_beamsearch2(rnn, rnn.V_valid[0])
#print decoder_beamsearch(rnn, rnn.V_valid[0])
#calculate_metric(rnn)
#sys.exit(0)
pos_sentence_res = []
pos_att_res = []
des_sentence_res = []
des_att_res = []
img_files = []
img_ids = []
id_to_sentences = {}
seen_ids = set()
if 'added_words' in rnn.conf:
new_words = set([w[0] for w in rnn.conf['added_words']])
else:
new_words = set()
num_ignore = 0
num_not_ignore = 0
for idx in range(rnn.V_valid.shape[0]):
img_file = rnn.dp.img_id_to_filename[rnn.Id_valid[idx]]
img_id = rnn.Id_valid[idx]
if img_id not in id_to_sentences: id_to_sentences[img_id] = []
#id_to_sentences[img_id].append(' '.join([rnn.dp.i2w[w] for w in rnn.X_valid[idx] if w != 0][::-1]))
if replace_adj:
id_to_sentences[img_id] = [
' '.join(do_replace_adj(rnn.dp.tokens[i])[::-1])
for i in rnn.dp.img_id_to_tokens[img_id]
]
elif get_human:
id_to_sentences[img_id] = [
' '.join(rnn.dp.tokens[i][::-1])
for i in rnn.dp.img_id_to_tokens[img_id]
]
np.random.shuffle(id_to_sentences[img_id])
print(len(id_to_sentences[img_id]))
human_sen_pos = id_to_sentences[img_id].pop()
print(len(id_to_sentences[img_id]))
if not id_to_sentences[img_id]: continue
else:
id_to_sentences[img_id] = [
' '.join(rnn.dp.tokens[i][::-1])
for i in rnn.dp.img_id_to_tokens[img_id]
]
#print id_to_sentences[img_id]
if img_id in seen_ids: continue
seen_ids.add(img_id)
if get_human and not semi_human:
pos_sen = human_sen_pos.split()[::-1]
np.random.shuffle(id_to_caps[img_id])
des_sen = id_to_caps[img_id][0][::-1]
else:
lp, pos_sen, pos_att = decoder_beamsearch_with_attention(
rnn, rnn.V_valid[idx], senti=1.0, beam_size=5)
lp, des_sen, des_att = decoder_beamsearch_with_attention(
rnn, rnn.V_valid[idx], senti=-1.0, beam_size=5)
pos_sen = pos_sen[:-1]
des_sen = des_sen[:-1]
#des_att = des_att[:-1]
pos_att = pos_att[:-1]
#pos_sen, pos_att = rnn.get_sentence(rnn.V_valid[idx], senti=np.array([1.0], dtype=theano.config.floatX))
pos_att = np.array(pos_att)
pos_att = pos_att.flatten()
#des_att = np.array(des_att)
#des_att = des_att.flatten()
des_att = np.zeros((len(des_sen), ))
#pos_att = np.zeros((len(pos_sen),))
if must_have_anp:
if not sentence_has_anp(pos_sen[::-1]):
num_ignore += 1
continue
num_not_ignore += 1
if copy_if_no_anp:
if not sentence_has_anp(pos_sen[::-1]):
pos_sen = des_sen
if replace_adj:
pos_sen = do_replace_adj(pos_sen[::-1])[::-1]
des_sen = do_replace_adj(des_sen[::-1])[::-1]
#des_sen, des_att = rnn.get_sentence(rnn.V_valid[idx], senti=np.array([-1.0], dtype=theano.config.floatX))
new_pos_sen = []
for vv, a in zip(pos_sen, pos_att):
out = vv
col = ""
if a > 0.75:
col = "#FF3300"
elif a > 0.5:
col = "#FF5C33"
elif a > 0.25:
col = "#FF8566"
#if a > 0.75:
# col = "#33CC33"# "#3366FF"
#elif a > 0.5:
# col = "#70DB70" #"#5C85FF"
#elif a > 0.25:
# col = "#ADEBAD" #"#85A3FF"
if col:
out = "<font style='background-color: %s'>%s</font>" % (col,
vv)
new_pos_sen.append(out)
pos_sen = new_pos_sen
print(pos_sen)
print(pos_att)
print(des_sen)
print_it = False
for v in pos_sen:
if v in new_words:
print_it = True
if print_it:
for x in zip(pos_sen, pos_att)[::-1]:
print(x[0], end=' ')
print("")
#for x in zip(pos_sen, pos_att)[::-1]:
# print x[0],
#print ""
#for x in zip(des_sen, des_att)[::-1]:
# print x[0],
#print "\n"
pos_att = pos_att[:len(pos_sen)]
des_att = des_att[:len(des_sen)]
pos_sentence_res.append(pos_sen[::-1])
pos_att_res.append(np.exp(pos_att[::-1]))
des_sentence_res.append(des_sen[::-1])
des_att_res.append(np.exp(des_att[::-1]))
img_files.append(img_file)
img_ids.append(img_id)
output = {
'pos_sen': pos_sentence_res,
'pos_att': pos_att_res,
'des_sen': des_sentence_res,
'des_att': des_att_res,
'img_files': img_files,
'img_ids': img_ids
}
pickle.dump(output,
open("output_data/sen_att_pos_01.pik", "wb"),
protocol=2)
if must_have_anp:
print("Must have ANP % removed:",
num_ignore / float(num_not_ignore) * 100.0)
print("getting Positive perplexity")
print(rnn.get_val_perplexity())
print("got perplexity")
print("getting Descriptive perplexity")
print(rnn.get_val_perplexity(base=True))
print("got perplexity")
gts = {}
res = {}
fout = open("eval/output_pos", "w")
for line, iid in zip(pos_sentence_res, img_ids):
fout.write(' '.join(line) + '\n')
if iid not in res: res[iid] = []
res[iid].append(' '.join(line))
fout.close()
res_des = {}
fout = open("eval/output_des", "w")
for line, iid in zip(des_sentence_res, img_ids):
fout.write(' '.join(line) + '\n')
if iid not in res_des: res_des[iid] = []
res_des[iid].append(' '.join(line))
fout.close()
for i in range(3):
fout = open("eval/reference%d" % i, "w")
for cid in img_ids:
if cid not in gts: gts[cid] = []
if len(id_to_sentences[cid]) > i:
gts[cid].append(id_to_sentences[cid][i])
fout.write(id_to_sentences[cid][i] + "\n")
else:
fout.write("\n")
fout.close()
bleu = Bleu()
#for i in gts.keys()[:10]:
# print gts[i]
# print res_des[i]
# print res[i]
# print ""
total_ref_sentences = 0
for i in list(gts.keys()):
total_ref_sentences += len(gts[i])
print("Total ref sentences:", total_ref_sentences)
print("Bleu:")
print("Positive:", bleu.compute_score(gts, res)[0])
print("Descriptive:", bleu.compute_score(gts, res_des)[0])
rouge = Rouge()
print("Rouge:")
print("Positive:", rouge.compute_score(gts, res)[0])
print("Descriptive:", rouge.compute_score(gts, res_des)[0])
cider = Cider()
print("Cider:")
print("Positive:", cider.compute_score(gts, res)[0])
print("Descriptive:", cider.compute_score(gts, res_des)[0])
meteor = Meteor()
print("Meteor:")
print("Positive:", meteor.compute_score(gts, res)[0])
print("Descriptive:", meteor.compute_score(gts, res_des)[0])
class SentenceEvaluator(object):
def __init__(self):
self.gt = {}
self.gen = {}
self.count = 0
self.bleu = Bleu()
self.rouge = Rouge()
self.rb = pyrb.Readability(syllable_counter=pyrb.CMUDictCounter())
#self.meteor = Meteor()
#self.cider = Cider()
def add_sentence_pair(self, generated, ground_truth):
if not isinstance(generated, str):
print "ERROR:", generated
print type(generated)
assert isinstance(generated, str)
assert isinstance(ground_truth, str)
self.gt[self.count] = [ground_truth]
self.gen[self.count] = [generated]
self.count += 1
def add_pairs(self, generated, ground_truth):
assert len(generated) == len(ground_truth)
for gen, gt in zip(generated, ground_truth):
self.add_sentence_pair(gen, gt)
def clear(self):
self.gt = {}
self.gen = {}
self.count = 0
def edit_distance(self):
ed = EditDistance()
total_dist = 0
total_norm_dist = 0
op_count = {'m': 0, 'i': 0, 'd': 0, 'r': 0}
op_count_norm = {'m': 0, 'i': 0, 'd': 0, 'r': 0}
num_examples = len(self.gt)
num_examples = max(num_examples, 1)
for i in self.gt.keys():
gt = self.gt[i][0].split()
gen = self.gen[i][0].split()
max_len = float(max(len(gt), len(gen)))
max_len = max(max_len, 1.0)
dist = ed.compute(gt, gen)
total_dist += dist
total_norm_dist += dist / max_len
ops = ed.operations()
for op in ops:
op_count[op] += 1
op_count_norm[op] += 1.0 / max_len
mean_dist = total_dist / float(num_examples)
mean_norm_dist = total_norm_dist / float(num_examples)
for op in op_count:
op_count[op] /= float(num_examples)
op_count_norm[op] /= float(num_examples)
return mean_dist, mean_norm_dist, op_count, op_count_norm
def bleu_score(self):
score, scores = self.bleu.compute_score(self.gt, self.gen)
return score
def bleu_scores(self):
score, scores = self.bleu.compute_score(self.gt, self.gen)
return np.array(scores).T
def rouge_score(self):
return self.rouge.compute_score(self.gt, self.gen)[0]
def meteor_score(self):
return self.meteor.compute_score(self.gt, self.gen)[0]
def cider_score(self):
return self.cider.compute_score(self.gt, self.gen)[0]
def _get_words_per_sequence(self, lst):
lens = [len(a[0].split()) for a in lst]
return np.array(lens, dtype=np.int32)
def _get_words_per_sentence(self, lst):
lens = []
for a in lst:
for s in nltk.sent_tokenize(a[0]):
lens.append(len(s.split()))
return np.array(lens, dtype=np.int32)
def mean_words_per_sentence_gt(self):
return np.mean(self._get_words_per_sentence(self.gt.values()))
def mean_words_per_sentence_gen(self):
return np.mean(self._get_words_per_sentence(self.gen.values()))
def mean_words_per_sentence_diff(self):
gt_wps = self._get_words_per_sequence(self.gt.values())
gen_wps = self._get_words_per_sequence(self.gen.values())
return np.mean(gt_wps - gen_wps)
def _get_sentence_list(self, sent_map):
text = []
for sent in sent_map.values():
text.append(sent[0])
return text
def _get_sentence_list_gt(self):
return self._get_sentence_list(self.gt)
def _get_sentence_list_gen(self):
return self._get_sentence_list(self.gen)
def _text_stats_str(self, sentences):
text = []
for sent in sentences:
sent_strip = sent.strip()
if len(sent_strip) == 0 or sent_strip[-1] != '.':
text.append(sent_strip + '.')
else:
text.append(sent_strip)
text = " ".join(text)
stat_str = ""
try:
fre = self.rb.flesch_kincaid_reading_ease(text)
stat_str += "Flesch reading ease: %s\n" % str(fre)
#si = textstat.smog_index(text)
#stat_str += "Smog index: %s\n" % str(si)
fkg = self.rb.flesch_kincaid_grade_level(text)
stat_str += "Flesch kincaid grade: %s\n" % str(fkg)
cli = self.rb.coleman_liau_index(text)
stat_str += "Coleman liau index: %s\n" % str(cli)
ari = self.rb.automated_readability_index(text)
stat_str += "Automated redability index: %s\n" % str(ari)
dcrs = self.rb.dale_chall_readability(text)
stat_str += "Dale chall readability score: %s\n" % str(dcrs)
#lwf = textstat.linsear_write_formula(text)
#stat_str += "Linsear write formula: %s\n" % str(lwf)
#gf = textstat.gunning_fog(text)
#stat_str += "Gunning fog: %s\n" % str(gf)
except Exception as e:
stat_str += "Text quality is poor: caused an exeption during evaluation."
print e
return stat_str
def __repr__(self):
#for i in self.gt:
# print self.gt[i]
# print self.gen[i]
# print ""
bleu = self.bleu_score()
rouge = self.rouge_score()
#meteor = self.meteor_score()
#cider = self.cider_score()
rep = "Evaluation Results (%d pairs):\n" % len(self.gt)
rep += "Bleu: %s\n" % str(bleu)
rep += "Rouge: %s\n" % str(rouge)
#rep += "Meteor: %s\n" % str(meteor)
#rep += "Cider: %s\n" % str(cider)
words_per_sentence_gt = self.mean_words_per_sentence_gt()
rep += "Mean words per sentence ground-truth: %f\n" % words_per_sentence_gt
words_per_sentence_gen = self.mean_words_per_sentence_gen()
rep += "Mean words per sentence generated: %f\n" % words_per_sentence_gen
words_per_sentence_diff = self.mean_words_per_sentence_diff()
rep += "Mean words per sentence diff 'mean(|gt| - |gen|)': %f\n" % words_per_sentence_diff
rep += "--------Generated Readability Stats:--------\n"
rep += self._text_stats_str(self._get_sentence_list_gen())
rep += "--------Ground Truth Readability Stats:--------\n"
rep += self._text_stats_str(self._get_sentence_list_gt())
return rep
def print_edit_distance(self):
mean_dist, mean_norm_dist, op_average, op_average_norm = self.edit_distance(
)
print "EditDistance Stats:"
print "mean_dist:", mean_dist
print "mean_norm_dist", mean_norm_dist
print "op_average:", op_average
print "op_average_norm:", op_average_norm
