A method that lets image points vote in parameter space to find shapes.
Hough Transform is a school election for hidden lines. Every edge dot votes, and the line with the most votes gets the crown.
It finds lane lines and round parts. It is old-school, but it can still spot position marks in noisy images.
Computer Vision
Hough Transform is a classic way to find lines and circles in images.
RANSAC
Both find shapes among noisy points, but they use different tricks.
Feature-engineering
It turns edge points into handmade geometry features.
Object Detection
Early object detection used votes to find shapes and parts.