MG 区域统计信息

MG按 17×15 分块统计，每个分块均可以输出 8bit R，Gr， Gb，B 均值(Average R/Gr/Gb/B)。ISP统计算法内部区块的统计信息读取地址与数据的对应关系如下表所示。m 表示水平分区个数，n 表示垂直分区个数。

表1 MG 区域统计信息
Memory address	Zone	Memory Read Data
Memory address	Zone	[31:24]	[23:16]	[15:8]	[7:0]
0	0	Average R	Average Gr	Average Gb	Average B
1	1	Average R	Average Gr	Average Gb	Average B
2	2	Average R	Average Gr	Average Gb	Average B
3	3	Average R	Average Gr	Average Gb	Average B
……
m*n-3	m*n-3	Average R	Average Gr	Average Gb	Average B
m*n-2	m*n-2	Average R	Average Gr	Average Gb	Average B
m*n-1	m*n-1	Average R	Average Gr	Average Gb	Average B

父主题： MG 统计信息