Face and object recognition differ in at least two ways. First, faces are recognized at a more specific level of categorization (for example, ‘Adam’) than most objects (for example, ‘chair’ or ‘car’).

The Etch A Sketch was never supposed to meet a Raspberry Pi, a camera, or a mathematical algorithm, but here we are. [Tekavou]’s Teka-Cam and TekaSketch are a two-part hack that transforms real photos ...