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Yonghyun


Seoul National University

Active since 2013

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Gaussian image filtering in spatial or frequency domain
I want to apply the 2-D Gaussian filtering of images in frequency domain. The cut-off frequency is 0.3 (e.g). In this case, ho...

7 years ago | 0 answers | 0

0

answers

Question


Image FFT2 for periodic noise
I have an image with periodic noise as shown below. I want to remove these blocking effects using FFT2 and I attach the spectru...

8 years ago | 0 answers | 0

0

answers

Question


The angle and distance between the two vectors.
In a two-dimensional vector space, assume that there is one vector *u*(_a_, _b_) and another unknown vector *v*(_c_, _d_). If ...

8 years ago | 2 answers | 0

2

answers

Question


line color in figure
I'd like to change the color of the diagonal axis. Please look at the picture below. <</matlabcentral/answers/uploaded_files...

8 years ago | 1 answer | 0

1

answer

Question


Gray Image to Color Indexed Image
Dear all, I have gray image, the range is *-1 to +1* . In this case, imshow(image, *[0.4 1]* ,'colormap','hsv'); %Not all ...

11 years ago | 1 answer | 0

1

answer