How to find rectangle edges from image and crop image from it's edges? [closed]

asked 2018-05-12 01:33:30 -0600

Akhil Patel gravatar image

updated 2019-12-10 01:04:29 -0600


I am developing an application for detect driving license and capture image of driving license using surface view and and crop from those it's four corner using openCV.

so right now i am using canny edge detection and find the edges but i am not able to crop the image because canny edge detection return black and white image i am crop my original license image from it's edges.

Please suggest me any best solution.

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Closed for the following reason spam or advertising by mshabunin
close date 2019-04-04 07:02:00.232849



You can be using the addWeigh method to draw result image RGB Image.

monxarat gravatar imagemonxarat ( 2018-09-19 02:03:52 -0600 )edit