IEEE

Robust Color Image Hashing With Nonnegative Matrix Factorization and Saliency Map for Copy Detection

Abstract: Image hashing is an effective technique for copy detection. This article proposes a robust color image hashing scheme with nonnegative matrix factorization (NMF) and saliency maps. The ...
IEEE

A Matrix Factorization Recommendation System-Based Local Differential Privacy for Protecting Users’ Sensitive Data

Abstract: The recommendation system (RS) predicts user ratings by collecting user information, but the users’ private information may be exposed in this process. Thus, it is crucial to achieving a ...