Hi, This post is to explain how fast array manipulation can be done in Numpy. Since we are dealing with images in OpenCV, which are lo...

Hi, You can find image derivatives using cv2.Sobel() and cv2.Scharr() functions in OpenCV. There is a nice tutorial and explanation abou...

Hi, This is the continuation of the article : Sudoku Solver - Part 1 So we start implementing here. Load the image : Below is the i...

Hi, This is a post to answer some common questions that can arise while dealing with the Sudoku Solver . Question 1 : What is the need...

Hi, This post is an additional note to official OpenCV tutorial : Smoothing Images ( Its corresponding Python code can be found here : ...

Hi, This is a small post to show you an important difference in arithmetic operations in OpenCV and Numpy. As an example,  I t...

Hi, Now I would like to post a series of tutorials on "Sudoku Solver" . Actually I started this a few months ago, but got stu...