參數(shù)資料
型號: VV5430
廠商: Electronic Theatre Controls, Inc.
英文描述: Integrated CMOS Image Sensor with support for ADC and external control via serial interface
中文描述: 集成CMOS ADC和與外部控制支持通過串行接口圖像傳感器
文件頁數(shù): 6/32頁
文件大?。?/td> 288K
代理商: VV5430
6
cd27033c.fm
VISION
V V 5430 Sensor
The blemish specification is then defined as follows:
Blemish Specification
A Blemish is an area of pixels that produces output significantly different from its surrounding
pixels for the same illumination level. The definition of a Blemish Pixel varies according to testing
conditions as follows:
Note:
Gain is set to Minimum and Correction set to Linear for all tests; measurement of blemishes for
Test 3 is conducted under standard illumination (see above), set to produce average output of
66% saturation level.
The pixel area of the sensor is divided into the following areas to qualify the blemish specification:
Test
Exposure
Illumination
Blemish Pixel output definition
1 - Black Frame
Minimum
Black
Differing more than ± 100 mV. from modal
value.
2 - Dark Current
Maximum
Black
Output more than three times the modal value
(see Dark Current Signal above).
3 - Pixel Variation
Mid range
66% Sat.
Differing more than ±35mV from modal value.
Note: The mode of pixel values must be within
±70 mV of 66% of V
sat
for all devices.
Image Area
Max. No. of Blemishes
Notes
Area A
0
This is the most critical image area
Area B
4
Unconnected single pixels
1
Of up to four connected pixels (2x2 max.)
Area C
Any number
Blemishes in this area are not significant, but the device
shall, however, have no row or column (>50% of row or
column) faults in any area.
Area A
Area B
Area C
Area A
is the central area of the array as defined
by the box with sides 50% of the linear height
and 50% of the linear width of the array.
Area C
is 10 vertical pixels by 10 horizontal pixels
around the edge of the array.
Area B
is the remaining area of the array.
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