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CGHwatermarkmatlabcode

于 2008-09-09 发布 文件大小:1470KB
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代码说明:

说明:  关于半色调编码计算全息图的信息隐藏Matlab程序的说明: 算法实现主程序为CGHwatermark; 位相恢复函数为phaseSL; 用计算全息记录已知振幅和位相的复波前函数为Hologen; 半色调编码函数为AMhalftone; 嵌入信息的提取直接调用Matlab自带的FFT2函数; 主程序的函数调用关系如下 读入宿主信息和水印信息-----------phaseSL--->Hologen--->AMhalftone(完成嵌入)--->FFT2(提取水印信息) 主程序结果保存于holo&mark文件夹 对算法鲁棒性测试的程序: 1. 对于剪切操作 Cliptest 结果存放于cliptest文件夹 2. 对于缩放操作 zoomtest 结果存放于zoomtest文件夹 3. 对于旋转操作 rotatetest 结果存放于rotate文件夹 4. 对于滤波操作 filtertest 结果存放于filtertest文件夹 5. 测试算法的时间效率 timetest 6. 分析嵌入信息后图像质量与参数alpha,tao的关系 msetest(err)

文件列表:

CGHwatermark matlab code
........................\AMhalftone.m
........................\AMhalftone1.asv
........................\AMhalftone1.m
........................\AMhalftone2.m

........................\CGHwatermark.asv
........................\CGHwatermark.m
........................\Cliptest.m

........................\filtertest.m
........................\GrayLevel_Change.asv
........................\GrayLevel_Change.m

........................\Hologen.m

........................\me.asv
........................\me.m
........................\msetest.m

........................\phaseSL.asv
........................\phaseSL.m
........................\phase_test.bmp
........................\phase_test100.bmp
........................\rotationtest.m
........................\test.asv
........................\test.m
........................\test2.m
........................\Timetest.m
........................\程序说明.log

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