| import json
|
| import pickle
|
| import os
|
| from tqdm import tqdm
|
|
|
| def build_referring_dataset(instance_path, refs_path, split, save_path):
|
| assert os.path.exists(instance_path), f'Path not found: {instance_path}'
|
| assert os.path.exists(refs_path), f'Path not found: {refs_path}'
|
|
|
| with open(instance_path) as f:
|
| instance = json.load(f)
|
| with open(refs_path, 'rb') as f:
|
| refs = pickle.load(f)
|
|
|
| images = instance['images']
|
| annotations = instance['annotations']
|
|
|
| img_id2info = {}
|
| for image in images:
|
| img_id2info[image['id']] = image
|
| anno_id2info = {}
|
| for annotation in annotations:
|
| anno_id2info[annotation['id']] = annotation
|
|
|
| outputs = []
|
| new_img_id = 0
|
| for sample in tqdm(refs):
|
| if sample['split'] != split:
|
| continue
|
| if -1 in sample['ann_id']:
|
| image = sample['file_name']
|
| image_id = sample['image_id']
|
| image_info = img_id2info[image_id]
|
| instruction = sample['sentences']
|
| ann_ids = sample['ann_id']
|
| anns = []
|
| result = {
|
| 'image': image,
|
| 'image_info': image_info,
|
| 'instruction': instruction,
|
| 'new_img_id': new_img_id,
|
| 'anns': anns
|
| }
|
| outputs.append(result)
|
| new_img_id += 1
|
| continue
|
| image = sample['file_name']
|
| image_id = sample['image_id']
|
| image_info = img_id2info[image_id]
|
| instruction = sample['sentences']
|
| ann_ids = sample['ann_id']
|
| anns = [anno_id2info[id] for id in ann_ids]
|
| result = {
|
| 'image': image,
|
| 'image_info': image_info,
|
| 'instruction': instruction,
|
| 'new_img_id': new_img_id,
|
| 'anns': anns
|
| }
|
| outputs.append(result)
|
| new_img_id += 1
|
|
|
| with open(save_path, 'w') as f:
|
| json.dump(outputs, f)
|
| print(f'Saving at {save_path}. Total sample: {len(outputs)}.')
|
|
|
| if __name__ == '__main__':
|
|
|
| root_path = 'datasets/refer_seg'
|
| datasets = 'grefcoco'
|
| splits = ['train', 'val', 'testA', 'testB']
|
|
|
| for split in splits:
|
| instance_path = os.path.join(root_path, datasets, 'instances.json')
|
| refs_path = os.path.join(root_path, datasets, 'grefs(unc).json')
|
| save_path = os.path.join(root_path, datasets, f'{split}_psalm.json')
|
| print(f'Processing gRefCOCO: {split}...')
|
|
|
| build_referring_dataset(instance_path, refs_path, split, save_path) |
