Mao Yisheng Honors College Southwest Jiaotong University Chengdu 611756 China;
School of Information Science and Technology Southwest Jiaotong University Chengdu 611756 China;
School of Information Science and Technology Southwest Jiaotong University Chengdu 611756 China;
School of Information Science and Technology Southwest Jiaotong University Chengdu 611756 China;
School of Information Science and Technology Southwest Jiaotong University Chengdu 611756 China;
Department of Electrical Engineering University of Tulsa Tulsa OK 74104 USA;
Reversible data hiding; image encryption; scrambling encryption; iterative recovery;