The ``Color Diffusion'' project, which colorizes black and white images, is available on GitHub. The following is an example of a black and white image. Color Diffusion can colorize these images ...

Participants initially viewed 48 images, half in color and half in black and white. The picture subjects fell into four different categories: landscapes, flowers, rock formations and man-made objects.

A photo of Cosmos flowers wins the International Garden Photographer of the Year's Black & White photo project.