the attached utility is a work I ve submitted to the university It shows what a jpeg compression is all about.-the attached utility is a work I ve submitte d to the university It shows what a jpeg compress ion is all about.

gives a rough jpeg based coding routine that enables the user to convert and compress any image into jpeg format

依据JPEG压缩标准的算法，对lena图像进行压缩，并恢复出原始图像，然后对照原始图像，对恢复出的图像进行客观评价：计算峰值信噪比PSNR及均方误差MSE。-language matlab jpeg picture compress

Image Compression by: 1) Use Adobe Photoshop to Compress images using LZW algorithm (i.e. lossless technique). 2) Use MATLAB to Compress images using JPEG algorithm (i.e. lossy technique) and Assess objectively the quality of the compressed