how i can find these branching point

조회 수: 3(최근 30일)
mohammed alany
mohammed alany 2019년 4월 14일
댓글: mohammed alany 2019년 4월 15일
Hi all
Who i can find these four points?
Note: the extention of this image in matlab is logical
b.jpg

답변(1개)

Matt J
Matt J 2019년 4월 14일
편집: Matt J 2019년 4월 14일
[I,J] = find(binaryimg<max(binaryimg(:))/2);
IJ = [I,J];
[~,idx] = min(IJ*[1 1; -1 1; 1 -1; -1 -1].');
Corners = IJ(idx,:);
For some elaboration on why this works, see this thread,
  댓글 수: 6
mohammed alany
mohammed alany 2019년 4월 15일
ok, can you give more help about what you say above? "Then I would use houghlines to find all sides of the remaining polygon and their end points"
because i dono't have engough information in matlab,
Thank you

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