ALLIED Vision Technologies Guppy F-503 - Manual (Page 150)

Description of the data path
GUPPY Technical Manual V7.1.0
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Figure 88: 2 out of 4 H+V sub-sampling (color)
Figure 89: 2 out of 8 H+V sub-sampling (color)
Note

Changing sub-sampling modes involves the generation of new
shading reference images due to a change in the image size.
2 out of 4 H+V sub-sampling
2 out of 8 H+V sub-sampling