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> ``` > [09/02 14:56:12] ppdet.data.source.category WARNING: anno_file 'None' is None or not set or not exist, please recheck TrainDataset/EvalDataset/TestDataset.anno_path, otherwise the default categories will be used by metric_type. >...

configs/datasets/sniper_visdrone_detection.yml文件内容如下 metric: SNIPERCOCO num_classes: 3 TrainDataset: !SniperCOCODataSet image_dir: /home/aistudio/MyDataset/dataset/train_data/JPEGImages anno_path: /home/aistudio/MyDataset/dataset/train_data/train.json dataset_dir: /home/aistudio/MyDataset/dataset/train_data data_fields: ['image', 'gt_bbox', 'gt_class', 'is_crowd'] allow_empty: true is_trainset: true image_target_sizes: [1600, 1600] valid_box_ratio_ranges: [[0.02,0.233125], [-1, -1]] chip_target_size:...

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