该算法把计算出的图像不变质心作为对其进行对数极坐标变换的原 点, 再作傅立叶变换, 取出中频段幅值作为水印嵌入域。该算法具有较好的鲁棒性、可检测性, 能同时抵抗几何攻击和信号 处理攻击, 它在数字图像的版权保护等领域有广泛的应用前景。-The algorithm to calculate the heart of the image does not degenerate as the number of its polar transformation of the origin, f

matlab GUI程序，实现数字图像处理的许多功能，包括亮度变换，几何变换，空域滤波，频域滤波，小波变换，彩色图像变换，去噪，复原，压缩编码等。-matlab GUI program, many digital image processing functions, including brightness transformation, geometric transformation, spatial filtering, frequency domain filtering, wavel