电子书：数字图像处理入门。清华吕凤军编写。 这是doc版本的，写论文粘贴最合适。-E-book: Introduction to Digital Image Processing. Lu Qinghua Army prepared. This is the version of the doc, write the best paper paste.

Its a legend book in image processing which it reat by Gonzales

可以进行离散余弦傅里叶变换，反变换，高通滤波，低通滤波等。数字图像处理-Can be discrete cosine Fourier transform, inverse transform, high pass filter, low-pass filtering. Digital Image Processing