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How to apply highpass filter on image in Matlab??

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ghada sandoub
ghada sandoub 2019 年 6 月 9 日
Commented: ghada sandoub 2019 年 6 月 9 日
I need to apply highpass filter on image, Is there a function in Matlab to apply highpass filter on the image??

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Prasanth Sikakollu
Prasanth Sikakollu 2019 年 6 月 9 日
Try imfilter() function.
B = imfilter(A,h) filters the multidimensional array A with the multidimensional filter h and returns the result in B.
Refer to the following documentation link on imfilter function:
Hope this helps.

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ghada sandoub
ghada sandoub 2019 年 6 月 9 日
Thanks alot for your answer.. I think that it will help but how to make "h" as a highpass filter??
i know that to create a filter we should use " h = fspecial(type)" but i don't know which type should we use to make "h" as a highpass filter to be able to use it in "imfilter"
Prasanth Sikakollu
Prasanth Sikakollu 2019 年 6 月 9 日
Refer to the following link to know more about which type to use in fspecial() function.
ghada sandoub
ghada sandoub 2019 年 6 月 9 日
yes I know but i don't know which type of the following can be used as a highpass filter
Capture.PNG

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