File size: 1,271 Bytes
3eb682b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
#!/usr/bin/env python
#
# File Name : bleu.py
#
# Description : Wrapper for BLEU scorer.
#
# Creation Date : 06-01-2015
# Last Modified : Thu 19 Mar 2015 09:13:28 PM PDT
# Authors : Hao Fang <[email protected]> and Tsung-Yi Lin <[email protected]>
from refTools.evaluation.bleu.bleu_scorer import BleuScorer
class Bleu:
def __init__(self, n=4):
# default compute Blue score up to 4
self._n = n
self._hypo_for_image = {}
self.ref_for_image = {}
def compute_score(self, gts, res):
assert(gts.keys() == res.keys())
imgIds = gts.keys()
bleu_scorer = BleuScorer(n=self._n)
for id in imgIds:
hypo = res[id]
ref = gts[id]
# Sanity check.
assert(type(hypo) is list)
assert(len(hypo) == 1)
assert(type(ref) is list)
assert(len(ref) >= 1)
bleu_scorer += (hypo[0], ref)
#score, scores = bleu_scorer.compute_score(option='shortest')
score, scores = bleu_scorer.compute_score(option='closest', verbose=1)
#score, scores = bleu_scorer.compute_score(option='average', verbose=1)
# return (bleu, bleu_info)
return score, scores
def method(self):
return "Bleu"
|