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Defect pixel correction, Chapter – ALLIED Vision Technologies Stingray F-504 User Manual

Page 142

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Description of the data path

STINGRAY Technical Manual V4.4.4

140

Defect pixel correction

The mechanisms of defect pixel correction are explained in the following
drawings. All examples are done in Format_7 Mode_0 (full resolution).

The first two examples are explained for b/w cameras, the third example is
explained for color cameras.

The X marks a defect pixel.

Figure 65: Mechanisms of defect pixel correction

1. example

X

b/w

2. example

X

X

b/w

3. example

R

G

R X

G

R

G

color

G

B

G

B

G

B

50% brightness
of pixel value

50% brightness
of pixel value

50% brightness
of pixel value

50% brightness
of pixel value

50% brightness
of pixel value

50% brightness
of corrected value

50% brightness
of pixel value

50% brightness
of pixel value