Digital Image Processing using OpenCV (Python & C++) Highlights: In this post, we will explain the main idea behind Camera Calibration. We will do this by going through code, which will be explained in details. Tutorial Overview: Setup Finding Corners Calibration Undistortion Intro In a last few posts, we have talked about modeling a projection, perspective projection, camera translation and rotation and all of this stuff will be of a great importance for you in…
Read more

Highlights: In this post we will talk more about the process of going from World to Camera frame, and it is really important that you understand what we were talking in the last few posts. Tutorial Overview: Translation and Rotation Going from World to Camera 1. Translation and Rotation In order to go from World to Camera frame we need to do translation and rotation. So to review, a translation and rotation from frame $A$…
Read more

Highlights: In this post we will learn about stereo geometry and we are doing this for a reason. We are going to talk about point and line duality and how to find the line given two points, or how to find the intersection point given the equation of two lines. Tutorial Overview: This post covers the following topics: Projective Geometry Homogeneous Coordinates 1. Projective Geometry First of all, projective geometry is a fundamental topic for…
Read more

Digital Image Processing using OpenCV (Python & C++) Highlights: In this post, we will learn what an image histogram is and why it is useful. We will also learn about how histogram equalization works and to get practical how to implement it from scratch. Let’s roll. What is a Histogram? Histogram Equalization How does it work? Implementation from scratch 1. What is a histogram? When we think of a histogram, we can interpret it as…
Read more