Tasks:
Implement a program with which you can inplement the following tasks:
a) Original picture (https://imi-gdm.github.io/uebungen/uebung3/Bear.jpg) and red channel (already done) b) negative image c) greyscale image d) binary image as well as an image with a greyscale of 5 and of 10 e) binary image with horizontal error diffusion f) sepia-toned image g) an image with only six suitable colours
