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.

It’s a lot like compressing a high-resolution photo - the original RAW image ... of quantization as a new technology driven by the AI boom, its roots actually go back to signal processing ...

Pyramid Vector Quantization [1] (PVQ ... have emerged in recent years as a powerful tool for image (and other types of signals) recognition, classification and processing. The high computational cost ...