# coding=utf-8
__author__='aagrawal'
import re
# This code is based on the code written by Tsung-Yi Lin for MSCOCO Python API available at the following link:
# (https://github.com/tylin/coco-caption/blob/master/pycocoevalcap/eval.py).
import sys
class VQAEval:
def __init__(self, vqa, vqaRes, n=2):
self.n = n
self.accuracy = {}
self.evalQA = {}
self.evalQuesType = {}
self.evalAnsType = {}
self.vqa = vqa
self.vqaRes = vqaRes
self.params = {'question_id': vqa.getQuesIds()}
self.contractions = {"aint": "ain't", "arent": "aren't", "cant": "can't", "couldve": "could've", "couldnt": "couldn't", \
"couldn'tve": "couldn't've", "couldnt've": "couldn't've", "didnt": "didn't", "doesnt": "doesn't", "dont": "don't", "hadnt": "hadn't", \
"hadnt've": "hadn't've", "hadn'tve": "hadn't've", "hasnt": "hasn't", "havent": "haven't", "hed": "he'd", "hed've": "he'd've", \
"he'dve": "he'd've", "hes": "he's", "howd": "how'd", "howll": "how'll", "hows": "how's", "Id've": "I'd've", "I'dve": "I'd've", \
"Im": "I'm", "Ive": "I've", "isnt": "isn't", "itd": "it'd", "itd've": "it'd've", "it'dve": "it'd've", "itll": "it'll", "let's": "let's", \
"maam": "ma'am", "mightnt": "mightn't", "mightnt've": "mightn't've", "mightn'tve": "mightn't've", "mightve": "might've", \
"mustnt": "mustn't", "mustve": "must've", "neednt": "needn't", "notve": "not've", "oclock": "o'clock", "oughtnt": "oughtn't", \
"ow's'at": "'ow's'at", "'ows'at": "'ow's'at", "'ow'sat": "'ow's'at", "shant": "shan't", "shed've": "she'd've", "she'dve": "she'd've", \
"she's": "she's", "shouldve": "should've", "shouldnt": "shouldn't", "shouldnt've": "shouldn't've", "shouldn'tve": "shouldn't've", \
"somebody'd": "somebodyd", "somebodyd've": "somebody'd've", "somebody'dve": "somebody'd've", "somebodyll": "somebody'll", \
"somebodys": "somebody's", "someoned": "someone'd", "someoned've": "someone'd've", "someone'dve": "someone'd've", \
"someonell": "someone'll", "someones": "someone's", "somethingd": "something'd", "somethingd've": "something'd've", \
"something'dve": "something'd've", "somethingll": "something'll", "thats": "that's", "thered": "there'd", "thered've": "there'd've", \
"there'dve": "there'd've", "therere": "there're", "theres": "there's", "theyd": "they'd", "theyd've": "they'd've", \
"they'dve": "they'd've", "theyll": "they'll", "theyre": "they're", "theyve": "they've", "twas": "'twas", "wasnt": "wasn't", \
"wed've": "we'd've", "we'dve": "we'd've", "weve": "we've", "werent": "weren't", "whatll": "what'll", "whatre": "what're", \
"whats": "what's", "whatve": "what've", "whens": "when's", "whered": "where'd", "wheres": "where's", "whereve": "where've", \
"whod": "who'd", "whod've": "who'd've", "who'dve": "who'd've", "wholl": "who'll", "whos": "who's", "whove": "who've", "whyll": "why'll", \
"whyre": "why're", "whys": "why's", "wont": "won't", "wouldve": "would've", "wouldnt": "wouldn't", "wouldnt've": "wouldn't've", \
"wouldn'tve": "wouldn't've", "yall": "y'all", "yall'll": "y'all'll", "y'allll": "y'all'll", "yall'd've": "y'all'd've", \
"y'alld've": "y'all'd've", "y'all'dve": "y'all'd've", "youd": "you'd", "youd've": "you'd've", "you'dve": "you'd've", \
"youll": "you'll", "youre": "you're", "youve": "you've"}
self.manualMap = { 'none': '0',
'zero': '0',
'one': '1',
'two': '2',
'three': '3',
'four': '4',
'five': '5',
'six': '6',
'seven': '7',
'eight': '8',
'nine': '9',
'ten': '10'
}
self.articles = ['a',
'an',
'the'
]
self.periodStrip = re.compile("(?!<=\d)(\.)(?!\d)")
self.commaStrip = re.compile("(\d)(\,)(\d)")
self.punct = [';', r"/", '[', ']', '"', '{', '}',
'(', ')', '=', '+', '\\', '_', '-',
'>', '<', '@', '`', ',', '?', '!']
def evaluate(self, quesIds=None):
if quesIds == None:
quesIds = [quesId for quesId in self.params['question_id']]
gts = {}
res = {}
for quesId in quesIds:
gts[quesId] = self.vqa.qa[quesId]
res[quesId] = self.vqaRes.qa[quesId]
# =================================================
# Compute accuracy
# =================================================
accQA = []
accQuesType = {}
accAnsType = {}
# print "computing accuracy"
step = 0
for quesId in quesIds:
for ansDic in gts[quesId]['answers']:
ansDic['answer'] = ansDic['answer'].replace('\n', ' ')
ansDic['answer'] = ansDic['answer'].replace('\t', ' ')
ansDic['answer'] = ansDic['answer'].strip()
resAns = res[quesId]['answer']
resAns = resAns.replace('\n', ' ')
resAns = resAns.replace('\t', ' ')
resAns = resAns.strip()
gtAcc = []
gtAnswers = [ans['answer'] for ans in gts[quesId]['answers']]
if len(set(gtAnswers)) > 1:
for ansDic in gts[quesId]['answers']:
ansDic['answer'] = self.processPunctuation(ansDic['answer'])
ansDic['answer'] = self.processDigitArticle(ansDic['answer'])
resAns = self.processPunctuation(resAns)
resAns = self.processDigitArticle(resAns)
for gtAnsDatum in gts[quesId]['answers']:
otherGTAns = [item for item in gts[quesId]['answers'] if item!=gtAnsDatum]
matchingAns = [item for item in otherGTAns if item['answer'].lower()==resAns.lower()]
acc = min(1, float(len(matchingAns))/3)
gtAcc.append(acc)
quesType = gts[quesId]['question_type']
ansType = gts[quesId]['answer_type']
avgGTAcc = float(sum(gtAcc))/len(gtAcc)
accQA.append(avgGTAcc)
if quesType not in accQuesType:
accQuesType[quesType] = []
accQuesType[quesType].append(avgGTAcc)
if ansType not in accAnsType:
accAnsType[ansType] = []
accAnsType[ansType].append(avgGTAcc)
self.setEvalQA(quesId, avgGTAcc)
self.setEvalQuesType(quesId, quesType, avgGTAcc)
self.setEvalAnsType(quesId, ansType, avgGTAcc)
if step%100 == 0:
self.updateProgress(step/float(len(quesIds)))
step = step + 1
self.setAccuracy(accQA, accQuesType, accAnsType)
# print "Done computing accuracy"
def processPunctuation(self, inText):
outText = inText
for p in self.punct:
if (p + ' ' in inText or ' ' + p in inText) or (re.search(self.commaStrip, inText) != None):
outText = outText.replace(p, '')
else:
outText = outText.replace(p, ' ')
outText = self.periodStrip.sub("",
outText,
re.UNICODE)
return outText
def processDigitArticle(self, inText):
outText = []
tempText = inText.lower().split()
for word in tempText:
word = self.manualMap.setdefault(word, word)
if word not in self.articles:
outText.append(word)
else:
pass
for wordId, word in enumerate(outText):
if word in self.contractions:
outText[wordId] = self.contractions[word]
outText = ' '.join(outText)
return outText
def setAccuracy(self, accQA, accQuesType, accAnsType):
self.accuracy['overall'] = round(100*float(sum(accQA))/len(accQA), self.n)
self.accuracy['perQuestionType'] = {quesType: round(100*float(sum(accQuesType[quesType]))/len(accQuesType[quesType]), self.n) for quesType in accQuesType}
self.accuracy['perAnswerType'] = {ansType: round(100*float(sum(accAnsType[ansType]))/len(accAnsType[ansType]), self.n) for ansType in accAnsType}
def setEvalQA(self, quesId, acc):
self.evalQA[quesId] = round(100*acc, self.n)
def setEvalQuesType(self, quesId, quesType, acc):
if quesType not in self.evalQuesType:
self.evalQuesType[quesType] = {}
self.evalQuesType[quesType][quesId] = round(100*acc, self.n)
def setEvalAnsType(self, quesId, ansType, acc):
if ansType not in self.evalAnsType:
self.evalAnsType[ansType] = {}
self.evalAnsType[ansType][quesId] = round(100*acc, self.n)
def updateProgress(self, progress):
barLength = 20
status = ""
if isinstance(progress, int):
progress = float(progress)
if not isinstance(progress, float):
progress = 0
status = "error: progress var must be float\r\n"
if progress < 0:
progress = 0
status = "Halt...\r\n"
if progress >= 1:
progress = 1
status = "Done...\r\n"
block = int(round(barLength*progress))
text = "\rFinshed Percent: [{0}] {1}% {2}".format( "#"*block + "-"*(barLength-block), int(progress*100), status)
sys.stdout.write(text)
sys.stdout.flush()