Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,091 posts.

AI & Machine Learning
Any year
668

Image Kernels explained visually

An image kernel is a small matrix used to apply effects like the ones you might find in Photoshop or Gimp, such as blurring, sharpening, outlining or embossing. They're also used in machine learning for 'feature extraction', a technique for determining the most important portions of an image. In this context the…