Data Augmentation? What's That?
“Dog on the left, cat on the right ”. It’s pretty obvious, right? I mean, you just looked at the picture, and you just knew . Why? Well, what with all the dogs, and cats and memes that you’ve seen over the years, in movies, TV, IRL, etc — the very concept of “dog”-ness and “cat”-ness has embedded itself in your brain to the point where you barely even think about it. Maybe, once upon a time, you heard “ dog ”, and you thought “ Rover, my dog, with the defiant left ear ”. But nowadays you hear “ dog ”, and there is just a vague concept in your head that is the embodiment of “dog”-ness. Regardless, you see a dog, and your brain goes — “ that’s a dog ”. Classification This process is called classification , and is pretty much what neural networks also do when they look at a picture and say “dog”. To be a wee bit more precise, when you train your deep learning model , what you actually end up doing is get it to the point where...