why fine tuning with 800 works?

chenjun2hao / CenterFace.pytorch

unofficial version of centerface, which achieves the best balance between speed and accuracy at face detection

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Open HuDi2018 opened 4 years ago

HuDi2018 commented 4 years ago

I have tried training directly with 800x800, the result is not as well as training with 512x512 and fine tuning with 800x800. why this happened?