chenyilun95 / tf-cpn

Cascaded Pyramid Network for Multi-Person Pose Estimation (CVPR 2018)

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About heatmap generation

weleen opened this issue · comments

ret[i][j] /= am / 255

I am curious about the generation of heatmap, why multiply 255 here? It seems that the network can not converge when i remove 255.

The prediction heatmap is expected to range in [0...255], which affects the network loss. I think it works if you increase learning rate properly and remove 255.