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CM-040MCL /-RA / CB-040MCL /-RA
11
6.1.2 CB-040MCL Bayer mosaic filter
CB-040MCL is a color camera based on a CCD
sensor with a Bayer RGB color mosaic.
The color image reconstruction is done in the
host PC. The color sequence in the video signal is
the same for all scanning formats.
The line readout follows LVAL.
The first valid pixel is the same timing as DVAL.
The Bayer color sequence starts with:
RGR for odd line numbers.
Figure 12 shows the timing sequence for the
Bayer mosaic read-out for the available partial
scan modes.
6.1.3 Partial Scanning (fixed rate and variable)
The partial scanning function uses the middle of the image vertically to achieve faster frame
rates. This is very useful when capturing and inspecting an image which does not require full
height. CM-040MCL/CB-040MCL has 4 types of partial scan modes such as 2/3, 1/2, 1/4 an 1/8.
Mode
Start line
End line
Frame Rate
Fast Dump
Fast Dump
Normal Scan
2/3
1/2
1/4
1/8
97
145
219
255
486
438
364
328
87 fps
110 fps
186 fps
280 fps
Fig.11. Fixed partial scan
Fig.10. Bayer layout for each scanning
FVAL Timing
LVAL
DVAL
1
17
24
27
13
9
Full
2/3 Partial
1/2 Partial
1/4 Partial
1/8 Partial
1
Line # from FVAL raising edge
G B
R
G
R
G B
R G
G
R
G B
R G
G
R
Actual V Line #
1
97
145
219
255
G B
R G
G
R
G B
R G
G
R
G B
R G
G
R
6 ck