參數(shù)資料
型號(hào)： ICM107B
廠商： Electronic Theatre Controls, Inc.
英文描述： ICM107B Mega pixel Color CMOS image sensor
中文描述： ICM107B萬(wàn)像素彩色CMOS圖像傳感器
文件頁(yè)數(shù)： 7/20頁(yè)
文件大?。?/td> 517K
代理商： ICM107B
ICM107B Mega pixel CMOS sensor
Data sheet Version 0.5, January 2002
2.2 Color Filter
Each pixel is covered by a color filter. They form the Bayer Pattern as shown in Figure 2. (Row 0,
Column 0) is covered by a Red filter, (Row 0, Column 1) and (Row 1, Column 0) by Green filters, and
(Row 1, Column 1) by a Blue filter. Since each pixel only gets part of the frequency band, the data need
further processing (i.e., color interpolation and color correction) in order to approximate the full visible
spectrum.
2000, 2001,2002 IC Media Corporation & IC Media Technology Corp
web site:
http://www.ic-media.com/
web site:
http://www.ic-media.com.tw/
page
7
10/29/2002
Confidential
Figure 2. Color filter Bayer pattern
2.3 Exposure and Gain Control
The brightness of the scene may change by a great amount that renders the captured image either over-
exposed or under-exposed. To accommodate for different brightness, the user may change the exposure
time by adjusting the AD_EXPOSE_TIMEH, and AD_EXPOSE_TIMEL. The exposure time is measured
in terms of the time to read out one line of data, which is equal to 31.25
μ
s (assuming the line length is
1500 @ 48 MHz). If the number of lines per frame is set at 1100 (the default), the exposure time can vary
from 1 to 1100 lines. In addition, users can adjust registers AD_M1_L, AD_M1_H, AD_M2_L,
AD_M2_H, AD_M3_L, AD_M3_H, AD_M4_L, AD_M4_H, to optimize the individual R/G1/G2/B gain
(default at 3.8 format for 1/256 to 8) of the 4 Bayer pattern pixels separately.
2.4 Timing Control
Timing control is performed with programming a 32-entry wave table. Its content can be filled by external
circuitry after power up if other than default values are desirable. Bits 19 to 11 are the control signals. Bits
10 to 0 are the change position. Whenever the change position equals the column counter, a new set of
signal values are applied. Please see the Wave Table Programming section for details.
R
G
R
G
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G
B
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B
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B
G
B
R
G
R
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R
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R
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B
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ICM-109S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ICM-109S is a single-chip digital color-imaging device
ICM-110U 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ICM-110U 3-megapixel CMOS image sensor is specially designed to provide high-quality images required for mainstream digital cameras and to make 3-megapixel cameras more affordable
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