When two photos of a person are taken from different angles, most people will immediately recognize them as the same person. But it's not that easy for a computer because their brains are not as flexible as human brains. Teaching computers to see more like humans is a big job. Scientists, technology specialists, engineers and mathematicians have created some amazing pattern recognition programs.
“If we had an image of your face we'd have some numbers that represent your eyes and your nose and your chin, and we take all those together and then use those to say, ‘hey it's a face that we're looking at’”.