set is used by data scientists around the world to do the first steps in image classification using especially deep learning so usually the task at hand is building a classified a differentiates between cats and dogs based on images theoretically you could approach this problem from two sides you could approach it from an unsupervised side unsupervised learning we do not use labels right and in supervised learning this would be the other side we do use labels so we do use textual or numeric information that tells us if there