"description": "COCO 2017 Dataset", "url": "http://cocodataset.org", "version": "1.0", "year": 2017, "contributor": "COCO Consortium", "date_created": "2017/09/01" } 2、Images是包含多个image实例的数组,对于一个image类型的实例: { "license": 4, "file_name": "000000397133.jpg",...
def sample_coco_minibatch(data, batch_size=100, split='train'): split_size = data['%s_captions' % split].shape[0] mask = np.random.choice(split_size, batch_size) captions = data['%s_captions' % split][mask] image_idxs = data['%s_image_idxs' % split][mask] image_features = ...
"file_name": "000000391895.jpg", "coco_url": "http://images.cocodataset.org/train2017/000000391895.jpg", "height": 360, "width": 640, "date_captured": "2013–11–14 11:18:45", "flickr_url": "http://farm9.staticflickr.com/8186/8119368305_4e622c...
{ "description": "COCO 2017 Dataset", "url": "http://", "version": "1.0", "year": 2017, "contributor": "COCO Consortium", "date_created": "2017/09/01" } 如我们所见,它仅包含基本信息,"url"值指向数据集官方网站(例如 UCI 存储库页面或在单独域中),这是机器学习数据集中常见的事情,指...
>>> len(coco_train.dataset['annotations']) 860001 >>> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 2,annotations字段 annotations字段是包含多个annotation实例的一个数组,annotation类型本身又包含了一系列的字段,如这个目标的category id和segmentation mask。segmentation格式取决于这个实例...
Confident Learning: Estimating Uncertainty in Dataset Labels[2] 。论文提出的置信学习(confident ...
<matplotlib.image.AxesImage at 0x7f8ec94c2d10> <Figure size 1000x1000 with 2 Axes> 获取图片信息的语义标注 –captions_xxx2017.json In [3] from pycocotools.coco import COCO # 初始化生成COCO对象 annCap_file = '/home/aistudio/data/train2017/captions_train2017.json' coco_caps = COCO(annCa...
MS COCO的全称是Microsoft Common Objects in Context,起源于微软于2014年出资标注的Microsoft COCO数据集,与ImageNet竞赛一样,被视为是计算机视觉领域最受关注和最权威的比赛之一。 COCO数据集是一个大型的、丰富的物体检测,分割和字幕数据集。这个数据集以scene understanding为目标,主要从复杂的日常场景中截取,图像中...
help='dataset name (default: pascal)') parser.add_argument('--crop-size', type=int, default=513, help='crop image size') parser.add_argument('--num_classes', type=int, default=2, help='crop image size') parser.add_argument('--sync-bn', type=bool, default=None, ...
4. bicycle:5. truck:bus或摩托:box容易标,但不合理,可能以后就用不box了 什么时候能像处理Image...