Dalsa FA-80-12M1H-XX-R, Руководство пользователя

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The Falcon2 Cameras • 15
Sensor Cosmetic Specifications
The following table lists the current cosmetic specifications for the Teledyne DALSA sensor
used in the Falcon2 series.
Feature /
Specification
Unit MIN TYP MAX Notes
Dark Pixel Definition -
absolute output level
DN > 500 4 frame average
Dark Pixel Count # 50
Light Pixel Definition -
deviates from frame
average
% ± 30 4 frame average image
for scene & dark correction
Average Frame
Output Level % SAT 40 50 60 Illuminated with diffused
light source
Tolerated Count # 50
Detection Threshold - Groups of
dark and light pixels combined dark and light pixel
defects
Tolerated Count # 7 Based on estimation algorithm
Detection Threshold Groups of
dark and light pixels Combined dark and light pixel
defects
Tolerated Count # - 0
Glass Spot Defect
Definition defects/kernel 8 / 3x3 8 / 3x3 Illuminated with aperture
(collimated) light source
Detection Threshold % of avage ± 8 4 frame average - any pixel
outside ± 8% of average
Tolerated Count # 1 1 spot of 9 pixels allowed. No limit
on spots below 9 pixels
Column Defect
Definition defects/kernel > 8 / 1x12
Column Defect Count # 0
Row Defect Definition defects/kernel > 8 / 12x1
Row Defect Count # 0
Table 5: Sensor Cosmetic Specifications
Definition of Blemishes
• Dark pixel defect: Pixel whose signal, in dark, exceeds 500 DN.
• Light pixel defect: Pixel whose signal, at nominal light (illumination at 50 % of the
linear range), deviates more than ±30 % from its neighbouring pixels.