Perspective n Points (PnP) Algorithm

 May 5, 2020  |  6 minutes  |  

PnP algorithm estimates the position of the camera based on some 3d points and their projections on the image. Lets …
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Perspective n Points (PnP) Algorithm

Camera Calibration Math

 May 2, 2020  |  11 minutes  |  

Ever wondered how the camera parameters are estimated during calibration. Let us explore the math behind it
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Camera Calibration Math

ROS/OpenCV Stereo Calibration yaml files

 April 23, 2020  |  8 minutes  |  

Whenever I look at the yaml files produced by ROS stereo calibration, I get confused on what they actually mean. Lets …
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ROS/OpenCV Stereo Calibration yaml files

Understanding pin-hole Camera Model

 April 22, 2020  |  5 minutes  |  

Let us study the pin-hole camera model and see its relationship to the projection equation.
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Understanding pin-hole Camera Model

Bayes Filter - The basis for all probabilistic filtering algorithms

 February 25, 2020  |  5 minutes  |  

Bayes filter derives from `Bayes rule` and is the basis for all parametric and non-parametric probabilistic filtering …
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Bayes Filter - The basis for all probabilistic filtering algorithms

Bayes Rule

 January 22, 2020  |  3 minutes  |  

Bayes rule is very famous. How do you make sense of it?
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Bayes Rule