BTC divides an image with gray-level pixels (8 bits/pixel) into small rectangular blocks of pixels, normally 4 x 4. Each block is quantized into two gray levels. The compression is achieved by sending ...

AI algorithm unblurs the cosmos Tool produces faster, more realistic images than current methods Date: March 31, 2023 Source: Northwestern University Summary: Researchers adapted a well-known ...

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.