4 ms·
A 32 bit float and only represent 2^32 numbers (maybe less), same as a 32 bit int. What’s happening here is using a short (16 bit) rather than a byte (8 bit),
by midasuni 3y ago
A 32 bit float and only represent 2^32 numbers (maybe less), same as a 32 bit int.
What’s happening here is using a short (16 bit) rather than a byte (8 bit), although not quite to the same extent, for each channel. HDR allows you to represent 2^6/12/18 times as many colors as SDR.
- geocar 3y agoHDR10 is 10-bits per component and there are plenty of 16-bit images that aren't HDR, for example: http://i.imgur.com/Wm2kSxd.png http://i.imgur.com/Wm2kSxd.png -- the main thing about using HDR is to increase the range of values, i.e. what the biggest and smallest values are, not merely how many distinct values you can represent.
- midasuni 3y agoWell that’s just the colour space, you’ve also got the gamma curve to consider when you look at the perception of how something looks