Object Detection toolkit based on PaddlePaddle. It supports object detection, instance segmentation, multiple object tracking and real-time multi-person keypoint detection.
[X] 我确认已经提供了Bug复现步骤、代码改动说明、以及环境信息，确认问题是可以复现的。I confirm that the bug replication steps, code change instructions, and environment information have been provided, and the problem can be reproduced.
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Bug组件 Bug Component
Training
Bug描述 Describe the Bug
用pcb数据集复现对比学习的few-shot方法，PaddleDetection-release-2.6.1/ppdet/modeling/losses/supcontrast.py里positive_mask.sum()值异常，无法训练
复现环境 Environment
Linux paddle2.3.1
Bug描述确认 Bug description confirmation
是否愿意提交PR？ Are you willing to submit a PR?