摘要
１ＩｎｔｒｏｄｕｃｔｉｏｎＢｅｃａｕｓｅｏｆｕｓｉｎｇｏｆｖａｒｉｏｕｓｃａｒｄｓｉｎｏｕｒｌｉｖｅｓ，ｅ．ｇ．，ＩＤｃａｒｄｓ，ｃｒｅｄｉｔｃａｒｄｓ，ｍｅｄｉｃａｌｃａｒｄｓ，ｄｒｉｖｅｒｌｉｃｅｎｓｅｓ，ｅｔｃ．，ｐｒｅｖｅｎｔｉｎｇｃａｒｄｆ...
A method for image encryption using a 1-D joint transform correlator is described. By use of line functions, a 2-D object is encrypted first in one direction, then in the perpendicular direction. The principle of the method and experimental results are given.
关键词
相关器
口令学
光信息处理
图像加密
Correlator,Cryptography,Optical Information Processing
