jpeg编码、解码库，用C语言编写的最权威的JPEG实现库-This distribution contains the sixth public release of the Independent JPEG Group s free JPEG software. You are welcome to redistribute this software and to use it for any purpose

能做简单的图像处理，如图像模糊，傅里叶变换，高斯变换，还有图像滤波处理等功能。 -Can do simple image processing, such as image blurring, the Fourier transform, Gaussian transform, as well as image filtering and other functions.