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

asked 2018-05-12 01:33:30 -0500

Akhil Patel gravatar image


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 any best solution.

edit retag flag offensive close merge delete



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

monxarat gravatar imagemonxarat ( 2018-09-19 02:03:52 -0500 )edit