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yhygao / focusnet-v2

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weight of focal loss #4

Open kimjisoo12 opened 2 years ago

kimjisoo12 commented 2 years ago

Hello, I want to know how the weight in FocalLoss is determined according to the voxel ratio of different organs. For example, the voxel ratio of large organs and small organs is 500:1. How should their weight be allocated?

Henry20010119 commented 2 months ago

I think the weight is inversely proportional to each organ’s average size，the average size represents the voxel ratio between organ and background.