一、环境win10 gpu 3090 maskrcnn tensorflow2.6.0;二、报错信息如下IndexError: boolean index did not match indexed array along dimension 0; dimension is 1 but corresponding boolean dimension is 2image_id 549 image_id 85 8/20 [..................] - ETA: 13:30 - batch: 3.5000 - size: 30.0000 - loss: 40.9189 - rpn_class_loss: 16.8697 - rpn_bbox_loss: 15.0835 - mrcnn_class_loss: 3.8857 - mrcnn_bbox_loss: 4.4410 - mrcnn_mask_loss: 0.6390image_id 1020 image_id 1602 image_id 523 image_id 490 image_id 2239 image_id 474 image_id 592 image_id 2203 Traceback (most recent call last): File D:/python-workspace/Mask_RCNN-master2/train.py, line 425, in module layersheads) File D:\python-workspace\Mask_RCNN-master2\mrcnn\model.py, line 2367, in train use_multiprocessingworkers 1, File D:\Anaconda3\envs\py36_maskrcnn_env_bak\lib\site-packages\keras\engine\training_v1.py, line 796, in fit use_multiprocessinguse_multiprocessing) File D:\Anaconda3\envs\py36_maskrcnn_env_bak\lib\site-packages\keras\engine\training_generator_v1.py, line 586, in fit steps_namesteps_per_epoch) File D:\Anaconda3\envs\py36_maskrcnn_env_bak\lib\site-packages\keras\engine\training_generator_v1.py, line 212, in model_iteration batch_data _get_next_batch(generator) File D:\Anaconda3\envs\py36_maskrcnn_env_bak\lib\site-packages\keras\engine\training_generator_v1.py, line 346, in _get_next_batch generator_output next(generator) File D:\Anaconda3\envs\py36_maskrcnn_env_bak\lib\site-packages\keras\utils\data_utils.py, line 497, in iter_sequence_infinite for item in seq: File D:\Anaconda3\envs\py36_maskrcnn_env_bak\lib\site-packages\keras\utils\data_utils.py, line 483, in __iter__ for item in (self[i] for i in range(len(self))): File D:\Anaconda3\envs\py36_maskrcnn_env_bak\lib\site-packages\keras\utils\data_utils.py, line 483, in genexpr for item in (self[i] for i in range(len(self))): File D:\python-workspace\Mask_RCNN-master2\mrcnn\model.py, line 1720, in __getitem__ augmentationself.augmentation) File D:\python-workspace\Mask_RCNN-master2\mrcnn\model.py, line 1279, in load_image_gt class_ids class_ids[_idx] IndexError: boolean index did not match indexed array along dimension 0; dimension is 1 but corresponding boolean dimension is 2 Process finished with exit code 1三、解决方法1、首先排除train.py文件的NUM_CLASSES、NUM_CLASSES、self.add_class()、labels[i].find();2、config.py文件的NAME、NUM_CLASSES。经排查上面都没有问题因为之前程序运行是正常的训练也是正常的只是由于改变了样本集和分类所以问题应该是图片打标注的时候引入了未定义的分类名称需要逐个图片检查标注的label果然存在异常分类。对应的json文件也是错的需要修改标注和重新生成过程文件。目标检测打标注一定要细心、细心、再细心。