A method that fits a model well, even when some data points are wrong.
RANSAC is like finding the real pizza order in a messy group chat. It ignores the friend yelling “glitter pizza” and checks what most people agreed on.
It helps match images and estimate camera pose. It shrugs off bad points, but it may need several tries.
Computer Vision
RANSAC is often used to handle bad matches in vision tasks.
OCR
RANSAC can remove clear outliers during page correction or matching.
Model uncertainty
RANSAC helps with shaky fitting caused by dirty data.