Azzera filtri
Azzera filtri

Maximum line length in houghlines

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SS
SS il 23 Mag 2021
Commentato: SS il 23 Mag 2021
Hi. Is it possible to detect the lines using houghlines conditioned on maximum line length than the minimum line length. Meaning that, to detect only the lines that are less than or equal to X pixels.
Attached are some lines from the houghlines documentation.
lines = houghlines(BW,T,R,P,'FillGap',5,'MinLength',7);
figure, imshow(rotI), hold on
max_len = 0;
for k = 1:length(lines)
xy = [lines(k).point1; lines(k).point2];
plot(xy(:,1),xy(:,2),'LineWidth',2,'Color','green');

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Matt J
Matt J il 23 Mag 2021
Modificato: Matt J il 23 Mag 2021
No, but you can discard the results that exceed the length you want, easily enough.
lines = houghlines(BW,T,R,P,'FillGap',5);
keep = vecnorm(vertcat(lines.point1)-vertcat(lines.point2),2,2) <= X;
lines=lines(keep);

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