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- W4320032300 abstract "Scene flow estimation, which extracts point-wise motion between scenes, is becoming a crucial task in many computer vision tasks. However, all of the existing estimation methods utilize only the unidirectional features, restricting the accuracy and generality. This paper presents a novel scene flow estimation architecture using bidirectional flow embedding layers. The proposed bidirectional layer learns features along both forward and backward directions, enhancing the estimation performance. In addition, hierarchical feature extraction and warping improve the performance and reduce computational overhead. Experimental results show that the proposed architecture achieved a new state-of-the-art record by outperforming other approaches with large margin in both FlyingThings3D and KITTI benchmarks. Codes are available at https://github.com/cwc1260/BiFlow." @default.
- W4320032300 created "2023-02-12" @default.
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- W4320032300 creator A5063908850 @default.
- W4320032300 date "2022-07-15" @default.
- W4320032300 modified "2023-09-28" @default.
- W4320032300 title "Bi-PointFlowNet: Bidirectional Learning for Point Cloud Based Scene Flow Estimation" @default.
- W4320032300 doi "https://doi.org/10.48550/arxiv.2207.07522" @default.
- W4320032300 hasPublicationYear "2022" @default.
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