Search Results for author: Changfeng Ma

Found 2 papers, 0 papers with code

Quasi Non-Negative Quaternion Matrix Factorization with Application to Color Face Recognition

no code implementations30 Nov 2022 Yifen Ke, Changfeng Ma, Zhigang Jia, Yajun Xie, Riwei Liao

Numerical results indicate that the accuracy rate of face recognition on the quaternion model is better than on the red, green and blue channels of color image as well as single channel of gray level images for the same data, when large facial expressions and shooting angle variations are presented.

Face Recognition Image Reconstruction

Completing Partial Point Clouds with Outliers by Collaborative Completion and Segmentation

no code implementations18 Mar 2022 Changfeng Ma, Yang Yang, Jie Guo, Chongjun Wang, Yanwen Guo

We propose in this paper an end-to-end network, named CS-Net, to complete the point clouds contaminated by noises or containing outliers.

Point Cloud Completion

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