OpenCV's Sobel filter - why does it look so bad, especially compared to Gimp? - Stack Overflow
Sobel operator - Wikipedia
cv2.sobel() | TheAILearner
Convolutions with OpenCV and Python - PyImageSearch
Feature Detectors - Sobel Edge Detector
OpenCV & Python – Edge Detection and Image Gradient Analysis – Meccanismo Complesso
Sobel edge detection - First attempt – Letters from a maladroit
GitHub - callyberz/Sobel-Filter: Using OpenCV to achieve Sobel Filter without using the builtin function
Edge detection – OpenCV 3.4 with python 3 Tutorial 18 - Pysource
Squaring introduces a lot of noise when doing Sobel operator using filter2D (OpenCV) - Stack Overflow
OpenCV 3 Image Edge Detection : Sobel and Laplacian - 2020
Image Processing in OpenCV Python – Predictive Hacks
Edge Detection Using OpenCV | LearnOpenCV #
Image Gradients with OpenCV (Sobel and Scharr) - PyImageSearch
Image Gradients with OpenCV (Sobel and Scharr) - PyImageSearch
Image Gradients with OpenCV (Sobel and Scharr) - PyImageSearch
Image Gradients with OpenCV (Sobel and Scharr) - PyImageSearch
OpenCV 3 Image Edge Detection : Sobel and Laplacian - 2020
Python Program to detect the edges of an image using OpenCV | Sobel edge detection method - GeeksforGeeks
OpenCV: Laplace Operator
How to implement Sobel edge detection using Python from scratch - A Developer Diary
Sobel edge detection Implementation - OpenCV Q&A Forum
OpenCV: Sobel Derivatives
