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The modification JPEG-IT has been developed for the baseline JPEG with fixed standard Huffman table. The proposed modification changes the stage of the entropy encoding DCT coefficients for each 8x8 pixels block. Based on a set of 24 original images from the KODAK database the comparison of a standard JPEG algorithm and the JPEG-IT modification has been performed. As the results, averaged for all images, have shown, JPEG-IT increases the image compression up to 20% compared to baseline JPEG.

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