參數(shù)資料
型號: HD49801FB
廠商: Electronic Theatre Controls, Inc.
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processing IC for CCD Cameras
中文描述: 數(shù)字信號處理集成電路CCD相機
文件頁數(shù): 23/43頁
文件大小: 185K
代理商: HD49801FB
4, 5: C levels
This data specifies the white detection region.
Of all 8 bits of this data, the data that can be changed consists of 7 bits (128/256 = 1/2), and the white
detection region can be changed over up to 1/2 of the full data range.
The C level data correspondences are as follows:
C level 1 +
The down direction of the (Mg-G) signal.
C level 1 –
The down direction of the (R-B) signal.
C level 2 +
The up direction of the (Mg-G) signal.
C level 2 –
The up direction of the (R-B) signal.
Y Detection Variable Width
White Balance Detection Block Diagram
R-Y
Mg-G
B-Y
R-B
Color temperature
variation
(256)
94%
6%
(0)
100%
0%
Variable width
(16 divisions)
R, G, B
gain
Y
Micro-
processor
Parallel-
serial
conver-
sion
U/D
counter
White
detection
Y level
detection
+ / –
Mg-G/R-B
R-Y/B-Y
R-Y/B-Y gain
adjustment
(detection axis
adjustment)
White
detec-
tion
range
Offset
23
HD49801FB
HD49801FB
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