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alexandrosstergiou / SoftPool

[ICCV 2021] Code for approximated exponential maximum pooling
MIT License
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afterimages in the video #3

Closed shuaizzZ closed 3 years ago

shuaizzZ commented 3 years ago

Why are there obvious afterimages in the video processing results?

alexandrosstergiou commented 3 years ago

@shuaizzZ Afterimages are produced because pooling is applied spatio-temporally, so multiple frames are fused together to single frames. This is present with every type of pooling method (e.g. average, max etc.) that is not tailored to handle spatio-temporal data. However, in contrast to Average and Maximum pooling, we noticed this effect was minimized with SoftPool (more examples shown in the supplementary material in our paper).

Best, Alex