数字图像显示及其傅立叶变换 、二维离散余弦变换的图像压缩、采用灰度变换的方法增强图像的对比度 、直方图均匀化、模拟图像受高斯白噪声和椒盐噪声的影响 等多个matlab图像处理实例-Digital image display and Fourier transform, two-dimensional discrete cosine transform image compression, the use of gray transform method to enhance image cont