Basler A501k Manual de usuario descargar pdf (Pagina 82)

Basic Operation and Features

3-32 Basler A500k

PRELIMINARY

3.6 Color Creation in the A504kc and A501kc

The CMOS sensor used in the color version of the camera is equipped with an additive color

separation filter. With the color filter, each individual pixel is covered by a micro-lens which allows

light of only one color to strike the pixel. The pattern of the color filter is shown in Figure 3-26. As

the figure illustrates, in each block of four pixels, one pixel is struck by red light, one is struck by

blue light and two pixels are struck by green light.

Since each individual pixel gathers information on only one color, an interpolation must be made

from the surrounding pixels to get full RGB data for the pixel. A DLL that can be used to convert

the output from the color camera into RGB color information is available through Basler support.

Figure 3-26: Bayer Filter Pattern

The pattern used in the A504kc and the A501kc is that of the Bayer Filter. The first

line starts with GR.

IR Cut Filter

In applications using the normal range of visible light we recommend that you place

an IR cut filter in front of your F-mount lens.

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Basler A501k Manual de usuario Pagina 82