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xinge008 / Cylinder3D

Rank 1st in the leaderboard of SemanticKITTI semantic segmentation (both single-scan and multi-scan) (Nov. 2020) (CVPR2021 Oral)
Apache License 2.0
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Why Asymmetrical block better than 3D CNN #132

Open Chuanyu-LD opened 2 years ago

Chuanyu-LD commented 2 years ago

Is there any theoretical explanation why Asymmetrical block better than a (sparse) 3D Convolution kernel? Normally 3D CNN should have more parameters and bigger receptive field

xinge008 commented 2 years ago

We refer to some works about the asymmetrical CNNs. Please check this paper.