Drawing a portrait using augmented reality and SketchAR app

SketchAR is an application through which the user sees a virtual image on the surface of which they are planning to trace a sketch. In one hand, the user holds a phone and sees a virtual image, while the other hand traces virtual lines already on the paper. /for who SketchAR is useful to all those who have always wanted, but could not draw. Also, the app is helpful for professional artists, as a simple and convenient way to trace sketches to a desired surface (eg, canvas) /technology The application uses technology based on computer vision that allows you to scan the environment and fix the virtual image over a real surface.