| 74 | print('DONE (t=%.2fs)' % (time.time() - tic)) |
| 75 | |
| 76 | def createIndex(self): |
| 77 | # create sets of mapping |
| 78 | # 1) Refs: {ref_id: ref} |
| 79 | # 2) Anns: {ann_id: ann} |
| 80 | # 3) Imgs: {image_id: image} |
| 81 | # 4) Cats: {category_id: category_name} |
| 82 | # 5) Sents: {sent_id: sent} |
| 83 | # 6) imgToRefs: {image_id: refs} |
| 84 | # 7) imgToAnns: {image_id: anns} |
| 85 | # 8) refToAnn: {ref_id: ann} |
| 86 | # 9) annToRef: {ann_id: ref} |
| 87 | # 10) catToRefs: {category_id: refs} |
| 88 | # 11) sentToRef: {sent_id: ref} |
| 89 | # 12) sentToTokens: {sent_id: tokens} |
| 90 | print('creating index...') |
| 91 | # fetch info from instances |
| 92 | Anns, Imgs, Cats, imgToAnns = {}, {}, {}, {} |
| 93 | for ann in self.data['annotations']: |
| 94 | Anns[ann['id']] = ann |
| 95 | imgToAnns[ann['image_id']] = imgToAnns.get(ann['image_id'], |
| 96 | []) + [ann] |
| 97 | for img in self.data['images']: |
| 98 | Imgs[img['id']] = img |
| 99 | for cat in self.data['categories']: |
| 100 | Cats[cat['id']] = cat['name'] |
| 101 | |
| 102 | # fetch info from refs |
| 103 | Refs, imgToRefs, refToAnn, annToRef, catToRefs = {}, {}, {}, {}, {} |
| 104 | Sents, sentToRef, sentToTokens = {}, {}, {} |
| 105 | for ref in self.data['refs']: |
| 106 | # ids |
| 107 | ref_id = ref['ref_id'] |
| 108 | ann_id = ref['ann_id'] |
| 109 | category_id = ref['category_id'] |
| 110 | image_id = ref['image_id'] |
| 111 | |
| 112 | # add mapping related to ref |
| 113 | Refs[ref_id] = ref |
| 114 | imgToRefs[image_id] = imgToRefs.get(image_id, []) + [ref] |
| 115 | catToRefs[category_id] = catToRefs.get(category_id, []) + [ref] |
| 116 | refToAnn[ref_id] = Anns[ann_id] |
| 117 | annToRef[ann_id] = ref |
| 118 | |
| 119 | # add mapping of sent |
| 120 | for sent in ref['sentences']: |
| 121 | Sents[sent['sent_id']] = sent |
| 122 | sentToRef[sent['sent_id']] = ref |
| 123 | sentToTokens[sent['sent_id']] = sent['tokens'] |
| 124 | |
| 125 | # create class members |
| 126 | self.Refs = Refs |
| 127 | self.Anns = Anns |
| 128 | self.Imgs = Imgs |
| 129 | self.Cats = Cats |
| 130 | self.Sents = Sents |
| 131 | self.imgToRefs = imgToRefs |
| 132 | self.imgToAnns = imgToAnns |
| 133 | self.refToAnn = refToAnn |