Optimized Sample Adaptive Offset Filter in HEVC

Table 1

EO categories and conditions.

Category	Condition
1	c < a && c < b
2	(c < a && c = = b) || (c = = a && c < b)
3	(c > a && c = = b) || (c = = a && c > b)
4	c > a && c > b
0	None of the above