Adaptive multi-histogram reversible data hiding with contrast enhancement. - Tiancong Zhang; Caijie Yang; Shaowei Weng; Tanshuai Hou (J. Vis. Commun. Image Represent., 2022)

Second-order time discretization for reaction coefficient estimation of bilinear parabolic optimization problem with Neumann boundary conditions. - Caijie Yang; Tongjun Sun (Comput. Math. Appl., 2023)

A priori error estimates of VSBDF2 schemes for solving parabolic distributed optimal control problems. - Caijie Yang; Hongfei Fu 002; Tongjun Sun (Commun. Nonlinear Sci. Numer. Simul., 2024)

Robust second-order VSBDF2 finite element schemes for parabolic distributed optimal control problems. - Caijie Yang; Tongjun Sun (J. Comput. Appl. Math., 2025)