How To Detect Arrows Using Open Cv Python?

I am working on the blind man navigation project. for this i need to detect right and left arrows using open cv and python. can anyone help with procedure or with sample code. i am

Solution 1:

1) You can use template matching to detect the arrow, however if you using handheld camera, then to get the direction right, you need to make sure that the camera pose is correct, that is the camera is not rotated.

2) You can use feature based classifier such as HOG or Corners, Lines etc to build a detector and later predict the direction.

This Paper parents a road sign detection approach which is applicable in your case.