3 ms·
I don't think so. 10-bit improves compression because posterization leads to noisy patterns that must be encoded. By smoothing the posterization out, encoding a
by CarVac 8y ago
I don't think so. 10-bit improves compression because posterization leads to noisy patterns that must be encoded. By smoothing the posterization out, encoding a gradient, and having the decoder produce the noise, you can save bitrate.
But the equivalent in spatial resolution is encoding near-horizontal lines... which isn't a common situation (unlike gentle color gradients) and isn't a problem in the first place.
- l33tbro 8y agoHow does posterization differentiate from banding? I know when I encode videos from an 8-bit color space, I sometimes have to generate an additional layer of noise so that I don't end up with those horrible macro-blocking blotches you get with banding.
- CarVac 8y agoPosterization is the technical term for this sort of banding. Banding can refer to all sorts of things that form bands, like fixed pattern noise from a camera sensor.