Search Results for author: Chengfeng Wen

Found 3 papers, 0 papers with code

Modeling the Space of Point Landmark Constrained Diffeomorphisms

no code implementations ECCV 2020 Chengfeng Wen, Yang Guo, Xianfeng Gu

Based on Teichm\""uller theory, this mapping space is generated by the Beltrami coefficients, which are infinitesimally Teichm\""uller equivalent to $0$.

Classification of lung nodules in CT images based on Wasserstein distance in differential geometry

no code implementations30 Jun 2018 Min Zhang, Qianli Ma, Chengfeng Wen, Hai Chen, Deruo Liu, Xianfeng GU, Jie He, Xiaoyin Xu

The Wasserstein distance between the nodules is calculated based on our new spherical optimal mass transport, this new algorithm works directly on sphere by using spherical metric, which is much more accurate and efficient than previous methods.

Computed Tomography (CT) General Classification +2

Surface Registration via Foliation

no code implementations ICCV 2017 Xiaopeng Zheng, Chengfeng Wen, Na lei, Ming Ma, Xianfeng GU

This work introduces a novel surface registration method based on foliation.

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