An improved reversible image watermarking algorithm based on difference expansion

by Zhengwei Zhang, Lifa Wu, Yunyang Yan, Shaozhang Xiao, He Sun
Published 2017-01-01

Improved CT algorithm based on target block division and feature points matching

by Wenhao Wang, Mingxin Jiang, Yunyang Yan, Xiaobing Chen, Wendong Zhao
Published 2018-07-01

Automatic Segmentation of Nature Object Using Salient Edge Points Based Active Contour

by Shangbing Gao, Yunyang Yan, Youdong Zhang, Jingbo Zhou, Suqun Cao, Jianxun Xue
Published 2015-01-01