cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'
Author: rezabrgCreated Sep 17, 2019Updated Nov 3, 2025
- face_recognition version:4.1.0
- Python version:3.7
- Operating System:windows 10
Description
I'm having problem to run this program, the error under below
gray = cv2.cvtColor(im,cv2.COLOR_BGR2GRAY) cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'
What I Did
Paste the command(s) you ran and the output.
If there was a crash, please include the traceback here.
Source: ageitgey/face_recognition