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.
