Apr
4
2019

RANSAC 2D Line Fitting

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An article by mgear

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Converted this RANSAC 2D line fitting pseudocode into Unity c# http://www.visual-experiments.com/demo/ransac.js/

What is RANSAC? https://en.wikipedia.org/wiki/Random_sample_consensus

Source code:
https://gist.github.com/unitycoder/53495435c28853ef6522ff60d5c6a091

*Note this is not optimized at all, just a quick test

Usage instructions:
– Add this script to empty gameobject
– Add gameobjects as a child of that gameobject (place them randomly, but try to make some possible line there)
– Adjust threshold variable inside the script
– Adjust iterations count (if proper line is not found
My setup: (see image below)

Tags: 2d, algorithm, line, ransac

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