tl;dr: What a beautiful construction!| alinush.github.io
A new technique is introduced that can do Catmull-Rom interpolation in 2D using only four bilinear samples instead of 16 fetches. This is made possible by preprocessing the input data using a specific sign-flipping scheme, and modifying the interpolation weights and locations accordingly.| Giliam de Carpentier
OpenCV is undoubtedly the most popular library for image processing and computer vision. According to its website, OpenCV is a highly optimized library with focus on real-time applications. That is, it is built to do real-time computer vision, not precise measurement. This means that OpenCV prioritizes speed over precision. There …| Cris’ Image Analysis Blog
Practical calculation using numerical tables is not simply a matter of looking up numbers. You had to be more sophisticated than that.| John D. Cook