Help with inserting box into photo

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Taylor Gates
Taylor Gates 2018-7-11
评论： jonas 2018-7-11
I have a test image that I am trying to put a 30x30 box in the center of. Here is the code I have so far. I have a column 30 pixels wide but can't figure out how to shorten it. I am new to coding.
MyImage = imread('test.jpg'); BW=rgb2gray(MyImage);
%figure(1); imshow(BW);
pause
BW(:,258:288)=0; % modifiy this line
figure(2); imshow(BW);
  1 个评论
jonas
jonas 2018-7-11
"image that I am trying to put a 30x30 box in the center of"
This is unclear to me, do you want the image in the center of the box or the other way around?
If you want to frame the image, do you want to replace the edges of the image with the frame or do you want the frame to extend outside of the image?

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