It’s a great pity that in order to enjoy the benefits of digital imaging, we must use pixels that may only be one of a comparatively small selection of colours, as opposed to the effectively infinite subtlety of nature. Phil Rhodes spreads light and understanding about quantization and noise.
In a major new article, Phil Rhodes explores the background to HEVC/H.265, and explains what makes it so good at compressing video. Read this if you want to know how almost all video - including 4K - will be delivered in the near future
Researchers at the University of Bath claim to have invented a codec based not on pixels but on vectors. Vector graphics have been around for a long time but until now they have not been considered to be suitable for general purpose image work - and certainly not for video - because while they have distinct advantages, they are difficult to use where images are complex
A surprise upgrade for Sony's shoulder-mount ENG cameras means they can record HD with the same quality as visually lossless ProRes
Even though some people groaned when Sony announced their XAVC codec back in October 2012, it's beginning to look like it is more than just another variation on the h.264 theme. What it may turn out to be is a rich environment for 4K production that is widely supported by NLEs and post production vendors