yizt / Grad-CAM.pytorch

pytorch实现Grad-CAM和Grad-CAM++,可以可视化任意分类网络的Class Activation Map (CAM)图,包括自定义的网络;同时也实现了目标检测faster r-cnn和retinanet两个网络的CAM图;欢迎试用、关注并反馈问题...

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你好,请问为什么基于frcnn的cam值这么低

zht-ttt opened this issue · comments

以下是基于frcnn的
tensor([[-1.0611e-07, 7.5014e-07, 9.5363e-06, 1.5857e-05, 1.4884e-05,
5.9838e-06, 3.0337e-08],
[ 1.4148e-06, 8.0262e-06, 4.2682e-05, 4.9330e-05, 4.3010e-05,
2.9354e-05, 1.7929e-06],
[ 5.2836e-06, 3.0520e-05, 4.9705e-05, 4.5834e-05, 4.7702e-05,
4.3880e-05, 1.0087e-05],
[ 5.4636e-06, 4.6103e-05, 7.7855e-05, 6.4577e-05, 5.9664e-05,
6.0945e-05, 1.3587e-05],
[ 2.9276e-06, 3.3370e-05, 5.7708e-05, 4.8958e-05, 4.4900e-05,
4.6765e-05, 8.8209e-06],
[ 5.3333e-06, 4.8228e-05, 5.6663e-05, 3.6995e-05, 2.9427e-05,
3.4944e-05, 1.0533e-05],
[ 4.8740e-06, 1.6906e-05, 2.1360e-05, 1.5230e-05, 1.0777e-05,
1.2249e-05, 7.2816e-06]], grad_fn=)

以下是基于resnet50的
tensor([[-0.0170, -0.0125, 0.0583, 0.0920, 0.0787, -0.0123, -0.0159],
[ 0.0004, -0.0086, 0.0673, 0.1415, 0.1246, 0.0116, -0.0072],
[ 0.0158, 0.0534, 0.0699, 0.0970, 0.1079, 0.0683, 0.0301],
[ 0.0197, 0.0577, 0.0239, 0.0880, 0.0655, 0.0634, 0.0259],
[ 0.0156, 0.0606, 0.0234, 0.0019, 0.0289, 0.0436, 0.0418],
[ 0.0097, 0.0523, 0.1047, 0.0886, 0.0741, 0.0924, 0.0857],
[ 0.0128, 0.0616, 0.0922, 0.0549, 0.0591, 0.1060, 0.0816]],
device='cuda:0', grad_fn=)