Error Diffusion Dither Kernels
* 7
3 5 1 (1/16)
* 7 5
3 5 7 5 3
1 3 5 3 1 (1/48)
* 8 4
2 4 8 4 2
1 2 4 2 1 (1/42)
* 8 4
2 4 8 4 2 (1/32)
* 5 3
2 4 5 4 2
2 3 2 (1/32)
* 4 3
1 2 3 2 1 (1/16)
* 2
1 1 (1/4)
* 7
1 3 5 (1/16)
* 8
1 1 2 4 (1/16)
* 0.2911
0.1373 0.3457 0.2258
* 0.4473
0.1654 0.3872
* 0.5221
0.1854 0.4689
-0.1763
* 4
1 4
-1 (1/8)
* 0.5423 0.0533
0.0246 0.2191 0.4715 -0.0023 -0.1241
-0.0065 -0.0692 0.0168 -0.0952 -0.0304
* 2^8 2^5
2^3 2^7 2^8 -2^0 -2^6
-2^1 -2^5 2^3 -2^6 -2^4 (2^-9)
- https://github.com/SixLabors/ImageSharp/blob/main/src/ImageSharp/Processing/Processors/Dithering/DHALF.TXT
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