How do i fit a square around a point in an image?

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burges
burges 2017-3-18
评论： Image Analyst 2017-3-19
I have the image:
I = [1 1 1 3 3 3 3 3
1 1 1 1 3 3 3 3
1 1 1 1 3 3 3 3
1 1 1 1 2 2 2 3
1 1 1 1 2 2 2 3
1 1 1 1 2 2 2 3
1 1 1 1 2 2 2 2];
How can i fit a square of size say two pixels around the point (4,6)? Many thanks for your help/suggestions.

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回答（1 个）

Walter Roberson
Walter Roberson 2017-3-18
If you are asking to draw a square on the screen then use rectangle()
  1 个评论
Image Analyst
Image Analyst 2017-3-19
"i fit a square of size say two pixels"
"my actual intention is to get the area of the square"
So if your square is 2 pixels by 2 pixels, then your area will be 4 pixels. Why do you even need to ask?

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