image compression using btc algorithm. matlab program. This function accepts an image(color or gray) and compresses it using the block truncation coding. -btc using image compression algorithm. Ma tlab program. This function accepts an image (c olor

Image Compression A collection of simple routines for image compression using different techniques. 图象压缩的不同方法 BTCODE: Image compression Using Block Truncation Coding. PYRAMID: Image compression based on Gaussian Pyramids. DCTC

its block truncation coding in matlab...can use as signature of image.