how to apply 8x8 dct on a image

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Dhines 2012-9-28

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https://ww2.mathworks.cn/matlabcentral/answers/49323-how-to-apply-8x8-dct-on-a-image

评论： Mohammad Manzurul Islam 2018-2-6

hello

i'm doing project in image splicing detection. in my project there are two models(dct and dwt)..among this two models i expand and extract the features with the help of markov process,and get co-eff of image.

In my base paper first step to "apply 8x8 block dct on the source image pixel array" and getting corresponding dct co-eff array.

tell me now how to apply 8x8 dct to image with matlab code.

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Mohammad Manzurul Islam 2018-2-6

have you been able to solve your problem? If so, then can you please share your code?

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Wayne King 2012-9-28

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https://ww2.mathworks.cn/matlabcentral/answers/49323-how-to-apply-8x8-dct-on-a-image#answer_60250

Use dct2() and blockproc()

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Image Processing and Computer Vision Image Processing Toolbox Image Filtering and Enhancement Neighborhood and Block Processing

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