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    Problem on subsample and downsample of image processing

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    With the help of MATLAB, subsample and downsample a given 512x512 image with the following filters.

    They include:
    LxLy = [1 1;1 1],

    LxHy =[1 1;-1 -1];

    HxHy = [1 -1;-1 1];

    HL =[1 -1;1 -1].

    The following pixel size the image should be downsampled to, ie (256x256),(64x64) are shown in the file attached. Show output image in the format/style shown in the file below.

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    The solution discusses the problem on subsample and downsample of image processing.