supported by the National Natural Science Foundation of China (No.60702025);the Research Fund for the Doctoral Program of Higher Education (No.20070613024);the Sichuan Youth Science & Technology Foundation of China (No.07ZQ026-004)
Compared with the Arnold transform,the image scrambling method based on bit shuffling pixels is much more secure,and has higher efficiency and speed.However,the key space of this bit shuffling pixels based method is t...