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參數(shù)資料
| 型號： | HV7161SPA2 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | CMOS Image Sensor with Image Signal Processing |
| 中文描述： | 的CMOS圖像傳感器和圖像信號處理 |
| 文件頁數(shù)： | 13/72頁 |
| 文件大小： | 2023K |
| 代理商： | HV7161SPA2 |
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Confidential
HV7161SPA2
CMOS Image Sensor
With Image Signal Processing
This document has a general product description and is subject to change without notice.
MagnaChip Semiconductor Ltd. does not assume any responsibility for use of circuits described
and no patent licenses are implied.
- 13 -
2005 MagnaChip Semiconductor Ltd.
In the above figure, the blue curve is 0.45 gamma effect and the red is default gamma effect. The
x-axis label is value fixed by our sensor and it isn't able to be changed by user. User is able to
change only pt0 ~ pt9(programmable gamma pointer : GMAP0 ~ GMPP9) and slp0 ~ slp9(gamma
slop : GMAS0 ~ GMAS9) to be calculated by below equation,
x-axis(xpt)
= [ 0, 8, 32, 64, 128, 256, 384, 512, 1024, 1536, 2047 ] - input data
gamma pointer(pt) = [ 0, 4, 28, 52, 84, 120, 144, 164, 224, 244, 255 ]
gamma slop(slp) = 128 *
xpt /
pt
Color Interpolation
This method is supported to interpolate missing R, G, or B for mosaic image data from pixel array.
Interpolation method for missing color is done by moving window, and the missing color on center
of window is neighbor pixels.
Color Correction
Color Correction is implemented by 3x3 matrix operation. Color correction matrix may be resolved
by measuring sensor’s color spread characteristics for primary color source and calculating the
inverse matrix of color spread matrix. Matrix coefficients are programmable from –127/64 to
127/64. Programming register value for matrix coefficients should be resolved by the following
equations.
For positive values, CMAxx = Integer(RealCoefficientValue x 64);
For negative values, CMAxx = TwoComplement(Integer(RealCoefficientValue x 64));
RealCoefficientValue values from –127/64 to 127/64 can be programmed.
Color-Correction Matrix(CCM) to correct the mismatch of Color Filter Array(CFA)
R’
= 1.189R – 0.315G + 0.126B
G’
= -0.259R + 1.838G – 0.579B
- output data (default)
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