Learning the building blocks of vision: BECCA extracts a spatio-temporal hierarchy of features
Channel: Brandon Rohrer
Date: 21/11/2013

Full demo video: http://www.youtube.com/watch?v=a7_W0L815oE&list=PLF861CC4C40439EEB
Full created feature set: https://www.youtube.com/watch?v=-_-UiHkJKN4
Code and documentation: https://github.com/brohrer/becca
BECCA Users Group: https://groups.google.com/forum/?fromgroups#!forum/becca_users
BECCA Community: http://www.openbecca.org

BECCA is a general purpose reinforcement learning algorithm that includes an unsupervised hierarchical feature extractor. It watched the TV show The Big Bang Theory, and, through it's coarsely pixelized contrast sensors, learned a the first two levels of a hierarchy of visual features.