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How to find an empty rectangle inside a graphic file
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T O P I C R E V I E W
mazluta
Posted - May 29 2024 : 05:39:45
Hi
i have some graphics with rectangles inside.
i want to find that rectangle
I want to check/look for
and all 4 "corners" by "matching" or some other way and find the all area of the rectangle.
is it possible?
Yossi Mazal-Tov
2 L A T E S T R E P L I E S (Newest First)
xequte
Posted - May 30 2024 : 23:05:03
We're also looking into Harris Corner detection, which may help here:
https://docs.opencv.org/4.x/dc/d0d/tutorial_py_features_harris.html
Nigel
Xequte Software
www.imageen.com
xequte
Posted - May 29 2024 : 23:52:34
Hi Yossi
I would suggest trying the line or edge detection:
http://www.imageen.com/help/TIEVisionImage.houghLines.html
http://www.imageen.com/help/TIEVisionImage.canny.html
Another possibility if the rectangles are always a unique color in the image, would be to parse the image content to find matching pixels.
Nigel
Xequte Software
www.imageen.com