| from __future__ import absolute_import |
| from __future__ import division |
| from __future__ import print_function |
| __author__ = 'tylin' |
| from .tokenizer.ptbtokenizer import PTBTokenizer |
| from .spice.spice import Spice |
|
|
| class SpiceEval(): |
| def __init__(self): |
| self.evalImgs = [] |
| self.eval = {} |
| self.imgToEval = {} |
| self.spice = Spice() |
| self.tokenizer = PTBTokenizer() |
|
|
| """ |
| The input have structure |
| {'123': [{'image_id':123, 'caption': 'xxxxx'}, {'image_id':123, 'caption': 'yyy'}], ...} |
| """ |
| def evaluate(self, gts, res): |
| assert set(gts.keys()) == set(res.keys()) |
| imgIds = list(gts.keys()) |
| gts = self.tokenizer.tokenize(gts) |
| res = self.tokenizer.tokenize(res) |
|
|
| |
| |
| |
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| |
| |
| |
| print('computing %s score...'%(self.spice.method())) |
| score, scores = self.spice.compute_score(gts, res) |
| print("%s: %0.3f"%("spice", score)) |
| self.eval['spice'] = score |
| print(scores) |
| for imgId, score in zip(sorted(imgIds), scores): |
| if not imgId in self.imgToEval: |
| self.imgToEval[imgId] = {} |
| self.imgToEval[imgId]["image_id"] = imgId |
| self.imgToEval[imgId]["spice"] = score |
| return self.eval['spice'], self.imgToEval |
| |
|
|
|
|
| class COCOEvalCapSpice: |
| def __init__(self, coco, cocoRes): |
| self.evalImgs = [] |
| self.eval = {} |
| self.imgToEval = {} |
| self.coco = coco |
| self.cocoRes = cocoRes |
| self.params = {'image_id': coco.getImgIds()} |
|
|
| self.Spice = Spice() |
|
|
| def evaluate(self): |
| imgIds = self.params['image_id'] |
| |
| gts = {} |
| res = {} |
| for imgId in imgIds: |
| gts[imgId] = self.coco.imgToAnns[imgId] |
| res[imgId] = self.cocoRes.imgToAnns[imgId] |
|
|
| |
| |
| |
| print('tokenization...') |
| tokenizer = PTBTokenizer() |
| gts = tokenizer.tokenize(gts) |
| res = tokenizer.tokenize(res) |
|
|
| |
| |
| |
| print('setting up scorers...') |
| scorers = [ |
| (self.Spice, "SPICE") |
| ] |
|
|
| |
| |
| |
| 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(sorted(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 = [self.imgToEval[imgId] for imgId in sorted(self.imgToEval.keys())] |
|
|
