how to block truncate coding-how to truncate block coding

Sobel算子：是一种空域微分算子，可以通过它锐化图象。 将图象分块(8*8),作DCT变换,并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码。-Sobel Operator : airspace is a differential operator, through its image sharpening. Image will block (8 * 8), for the DCT and IDCT for : DCT is a separable Image Transfor

Image Compression A collection of simple routines for image compression using different techniques. BTCODE: Image compression Using Block Truncation Coding. PYRAMID: Image compression based on Gaussian Pyramids. DCTCOMPR:

将输入A律PCM编码器的正弦信号采样,进行PCM编码,求出编码器的输出码组序列,-Will enter A law PCM codec sine signal sampling, PCM coding, the output of the encoder block sequence,