How to extract contours bigger than some size?

RR14
16 ●2 ●7

Hi,

I am trying to extract characters from the image.

image description

this is my original image.

after some preprocessing I found contours like that;

image description

how can I extract those contours from this image ?

1 answer

You can compute the size of a contour e.g. with cv::moments

Filtering them by their lengths sound good

thdrksdfthmn ( 2015-03-13 10:44:35 -0600 )edit

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Asked: 2015-03-13 09:50:22 -0600

Seen: 4,844 times

Last updated: Mar 13 '15