A privacy-preserving content-based image retrieval method in cloud environment

Yanyan Xu, Jiaying Gong, Lizhi Xiong, Zhengquan Xu, Jinwei Wang, Yun-Qing Shi

Abstract: Highlights•Solved the challenge of the privacy-preserving CBIR under cloud environment.•Honest-but-curious CSP can retrieve image directly without violating data privacy.•The proposed method is based on orthogonal decomposition.•Our method can adapt different applications for no restriction of cipher algorithms.