How to combine two or more overlapping bounding boxes?

2

asked May 31 '13

Ali Tillawi
49 ●2 ●2 ●8

Hello, How to combine two or more overlapping bounding boxes, into one region.

your help is highly appreciated :)

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5

answered May 31 '13

StevenPuttemans

20029 ●16 ●82 ●207 http://stevenputtemans...

Add your bounding boxes to a container element filled with rectangles, like a vector of rectangles and then use the function groupRectangles.

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And is it supposed to combine only the overlapped rectangles ?

Ali Tillawi (May 31 '13)edit

1

Yes, you give it a parameter that defines the amount of overlap, look at the variables and explanation. It is the same principle used by the Viola&Jones framework to merge overlapping rectangles into a single bounding box!

StevenPuttemans (May 31 '13)edit

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0

answered May 31 '13

Rogeeeer
194 ●1 ●7

You have multiple bounding boxes, and want to combine in one big box ?

If you take an array of boxes and detect xmin, xmax, ymin, ymax and return a cv::Rect(xmin, ymin, xmax-xmin, ymax-ymin) can't work ? Or you want to know how to detect if the boxes are overlapping ?

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exactly I want to detect the overlapping

Ali Tillawi (May 31 '13)edit

There is a difference in what he is doing. His solution creates a single rectangle for overlaps, my solutions requires you to define the minimal amount of overlapping rectangles to actually result in a detection. Do mind the difference there!

StevenPuttemans (Feb 6 '14)edit

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How to combine two or more overlapping bounding boxes?

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