Many photo editing apps like FaceApp, Instagram filters…etc are using computer vision techniques. In this article, we will try to convert a normal photo into a pencil sketch using computer vision in a ...

In Python, an image is just a two-dimensional array of integers. So one can do a couple of matrix manipulations using various python modules in order to get some very interesting effects. In order to ...

In order to obtain a pencil sketch (that is, a black-and-white drawing) of the camera frame, we will make use of two image blending techniques, known as dodging and burning. These terms refer to ...