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To run the quantization algorithms under Microsoft Windows:
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1) Save the executable file on your desktop (or in any other folder).
2) Double click the executable to activate the program.
3) Drag and drop an image of your choice into the window (or open an image using the file menu).
     The image will appear, and the corresponding histogram will be generated.
4) Click on GAG, AMR or LBG at the center-top of your screen to run the quantization algorithm of your choice.
5) Choose the parameters (or leave the default ones) and click on "GO".
6) When the algorithm terminates, click on "Close" and view the quantized image, its histogram, distortion and
     number of colors. Additional Lloyd-Max iterations may be applied by clicking on "Lloyd Max".