how to find lowest vertical and horizontal DCT coefficient of an image block

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Indu Aggarwal
Indu Aggarwal 2015년 5월 1일
I have an image of size 256x256 and it is divided into equal non overlapping blocks of size 8x8. I have to find the lowest vertical and horizontal DCT (Discrete Cosine Transform)coefficients of each image block. Is there any method available for this problem in MATLAB?

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