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from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
__author__ = 'tylin'
from .bleu.bleu import Bleu
# from .meteor.meteor import Meteor
# from .rouge.rouge import Rouge
from .cider.cider import Cider
# from .spice.spice import Spice
from .wmd.wmd import WMD
class COCOEvalCap:
def __init__(self, coco, cocoRes, language='vi'):
self.evalImgs = []
self.eval = {}
self.imgToEval = {}
self.coco = coco
self.cocoRes = cocoRes
self.params = {'image_id': coco.getImgIds()}
# self.Spice = Spice()
self.language = language
def evaluate(self):
imgIds = self.params['image_id']
# imgIds = self.coco.getImgIds()
gts = {}
res = {}
for imgId in imgIds:
gts[imgId] = self.coco.imgToAnns[imgId]
res[imgId] = self.cocoRes.imgToAnns[imgId]
# =================================================
# Set up scorers
# =================================================
print('tokenization...')
if self.language == 'en':
print('using en tokenizer')
from .tokenizer.ptbtokenizer import PTBTokenizer
tokenizer = PTBTokenizer()
elif self.language == 'vi':
print('Using Vietnamese tokenizer from pyvi')
from .tokenizer.vitokenizer import VITokenizer
tokenizer = VITokenizer()
else:
raise(f'Language "{self.language}" is not supported!')
gts = tokenizer.tokenize(gts)
res = tokenizer.tokenize(res)
# =================================================
# Set up scorers
# =================================================
print('setting up scorers...')
scorers = [
(Bleu(4), ["Bleu_1", "Bleu_2", "Bleu_3", "Bleu_4"]),
# (Meteor(),"METEOR"),
# (Rouge(), "ROUGE_L"),
(Cider(), "CIDEr"),
# (self.Spice, "SPICE"),
# (WMD(), "WMD"),
]
# =================================================
# Compute scores
# =================================================
for scorer, method in scorers:
print('computing %s score...'%(scorer.method()))
score, scores = scorer.compute_score(gts, res)
if type(method) == list:
for sc, scs, m in zip(score, scores, method):
self.setEval(sc, m)
self.setImgToEvalImgs(scs, list(gts.keys()), m)
print("%s: %0.3f"%(m, sc))
else:
self.setEval(score, method)
self.setImgToEvalImgs(scores, list(gts.keys()), method)
print("%s: %0.3f"%(method, score))
self.setEvalImgs()
def setEval(self, score, method):
self.eval[method] = score
def setImgToEvalImgs(self, scores, imgIds, method):
for imgId, score in zip(imgIds, scores):
if not imgId in self.imgToEval:
self.imgToEval[imgId] = {}
self.imgToEval[imgId]["image_id"] = imgId
self.imgToEval[imgId][method] = score
def setEvalImgs(self):
self.evalImgs = [eval for imgId, eval in list(self.imgToEval.items())]
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