Colour quantization, the process of reducing the number of distinct colours in an image while maintaining visual fidelity, is a cornerstone of digital image processing and computer graphics. Rooted in ...

Colour image segmentation techniques form a cornerstone in modern image processing, enabling the partitioning of digital images into distinct, meaningful regions. By utilising colour information ...

New research offers a possible explanation for how the brain learns to identify both color and black-and-white images. The researchers found evidence that early in life, when the retina is unable to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Often appearing in ...

Voyager 2's image of Neptune released shortly after the flyby in 1989 (left) with the newly reprocessed version in true colour (right). A new study suggests that Neptune and Uranus are a similar shade ...

New research into the anatomy of blue sharks (Prionace glauca) reveals a unique nanostructure in their skin that produces their iconic blue colouration, but intriguingly, also suggests a potential ...