Methods and systems for semantic segmentation of a point cloud

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United States of America Patent

PATENT NO 12205292
APP PUB NO 20230035475A1
SERIAL NO

17378155

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Abstract

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Systems, methods and apparatus for sematic segmentation of 3D point clouds using deep neural networks. The deep neural network generally has two primary subsystems: a multi-branch cascaded subnetwork that includes an encoder and a decoder, and is configured to receive a sparse 3D point cloud, and capture and fuse spatial feature information in the sparse 3D point cloud at multiple scales and multi hierarchical levels; and a spatial feature transformer subnetwork that is configured to transform the cascaded features generated by the multi-branch cascaded subnetwork and fuse these scaled features using a shared decoder attention framework to assist in the prediction of sematic classes for the sparse 3D point cloud.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECHNOLOGIES CO LTDHUAWEI ADMINISTRATION BUILDING BANTIAN LONGGANG DISTRICT SHENZHEN GUANGDONG 518129 518129

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Ran Markham, CA 15 23
Liu, Bingbing Markham, CA 39 104
Razani, Ryan North York, CA 10 9

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