66
(G1+G3+G11+G13)
G7_new = 0.5
*
G7 + 0.5
*
---------------
4
2. Interpolation of red/blue pixels:
Interpolation of a red/blue pixel at a green position: the average of two adjacent pixel values in corresponding
color is assigned to the interpolated pixel.
For example:
(B6+B8) (R2+R12)
B7 = ------- ; R7 = --------
2 2
Interpolation of a red/blue pixel at a blue/red position: the average of four adjacent diagonal pixel values is
assigned to the interpolated pixel.
For example:
(R2+R4+R12+R14) (B6+B8+B16+B18)
R8 = --------------- ; B12 = ---------------
4 4
Any colored edge which might appear is due to Bayer false color artifacts.
Note
There are more advanced and adaptive methods (like edge sensitive ones) available if the host is doing
this debayering.
1.11 Filters
MATRIX VISION offers two filters for the mvBlueFOX camera. The IR filter (p. 66) is part of the standard delivery
condition.
1.11.1 Hot mirror filter
The hot mirror filter FILTER IR-CUT 15,5X1,75 FE has great transmission in the visible spectrum and blocks out a
significant portion of the IR energy.
Technical data
Diameter 15.5 mm
Thickness 1.75 mm
Material Borofloat
Characteristics T = 50% @ 650 +/- 10 nm
T > 92% 390-620 nm
R
avg
> 95% 700-1150 nm
AOI = 0 degrees
Surface quality Polished on both sides
Surface irregularity 5/3x0.06 scratch/digs on both sides
Edges cut without bezel
MATRIX VISION GmbH
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