OpenCV Error: (-215:Assertion failed) VScn::contains(scn) && VDcn::contains(dcn) && VDepth::contains(depth) in function 'CvtHelper'

Question

Traceback (most recent call last):
File \"demo.py\", line 132, in 
     `result = find_strawberry(image)`
File \"demo.py\", line 63, in find_strawberry
`image = cv2.         


        

Answer 1

Well I was doing the Epipolar Geometry (find the link below) and I had this issue. I solved this error by doing one of the two methods:

First method - keeping the original colors: A. I load the image with its original color (in my case it was RGB) by deleting the zero parameter from cv2.imread.

img1 = cv2.imread('image.jpg') 

B. You might need to edit the shape of the image since it is RGB

r, c,_ = img1.shape 

C. Comment the conversion

# img1 = cv2.cvtColor(img1,cv2.COLOR_GRAY2BGR)

The second method - converting into grayscale image: A. I load the image in BGR by adding the zero parameter into cv2.imread.

img1 = cv2.imread('image.jpg',0) 

B. You might need to edit the shape of the image since it is BGR

r, c = img1.shape 

C. Now you can convert the image into grayscale image

img1 = cv2.cvtColor(img1,cv2.COLOR_GRAY2BGR)

If the two methods do not work for you, you might need to check the links below they might have answer your question:

https://github.com/aleju/imgaug/issues/157 https://github.com/llSourcell/Object_Detection_demo_LIVE/issues/6

Epipolar Geometry

https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_calib3d/py_epipolar_geometry/py_epipolar_geometry.html