the attached utility is a work I ve submitted to the universityIt shows what a jpeg compression is all about.the function implements the DCT transform, using a matrix operator.note that matlab has a function for the DCT and iDCT transforms that might be more efficient .

Packet : 41695023jpeg.rar filelist
jpeg\0.tif
jpeg\1.tif
jpeg\2.tif
jpeg\3.tif
jpeg\4.tif
jpeg\5.tif
jpeg\6.tif
jpeg\7.tif
jpeg\8.tif
jpeg\9.TIF
jpeg\jpeg.m
jpeg\readme.txt
jpeg\Thumbs.db
jpeg

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