Allied Vision Technologies Guppy Manuel d'instructions télécharger pdf (Page 95)

Guppy PRO Technical ManualV4.1.0

Description of the data path

Defect pixel correction

(only Guppy PRO F-503B/C)

The mechanisms of defect pixel correction are explained in the following draw-

ings. All examples are done in Format_7 Mode_0 (full resolution).

The first two examples are explained for b/w cameras, the third and fourth exam-

ple are explained for color cameras.

The X marks a defect pixel.

Figure 42: Mechanisms of defect pixel correction

1. example XX X

b/w

2. example XX XX XX

b/w

3. example

R G R X G R G R X G R G R G R G X

color

G B G B G B G B G B G B G B

4. example

R G R X G X R G R X GX R G R G RX G X

color

G B G B G B G B 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

100% brightness

of pixel value

100% brightness

of pixel value

Defect pixel at

beginning/end of row

100% brightness

of pixel value

100% brightness

of pixel value

100% brightness

of pixel value

100% brightness

of pixel value

50% brightness

of pixel value

50% brightness

of pixel value

50% brightness

of pixel value

50% brightness

of pixel value

100% brightness

of pixel value

100% brightness

of pixel value

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 248 249

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Allied Vision Technologies Guppy Manuel d'instructions Page 95

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