Baumer EXG03c Manuale d'uso - Pagina 16

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Baumer EXG03c Manuale d'uso
Figure 11 ►
Bit string of Mono 8 bit 
and RGB 8 bit.
Figure 22 ►
Spreading of Mono 10
bit over 2 bytes.
Figure 13 ►
Spreading of Mono 12
bit over two bytes.
Figure 14 ►
Spreading  of  two  pix-
els  in  Mono  12  bit  over 
three  bytes  (packed 
mode).
16
Pixel depth: In  general,  pixel  depth  defines  the  number  of  possible  different  values  for 
each color channel. Mostly this will be 8 bit, which means 2
ors".
For RGB or BGR these 8 bits per channel equal 24 bits overall.
Two bytes are needed for transmitting more than 8 bits per pixel - even if the 
second byte is not completely filled with data. In order to save bandwidth, the 
packed formats were introduced to Baumer EXG cameras. In this formats, 
the unused bits of one pixel are filled with data from the next pixel.
8 bit:
10 bit:
12 bit:
Packed:
4.1.2.2.
Pixel Formats on Baumer EXG Cameras
Camera Type
Monochrome
EXG03
■
■
EXG50
■
□
Color
EXG03c
■ 
□
Byte 1
Byte 2
unused bits
Byte 1
Byte 2
Byte 1
Byte 2
Pixel 0
Byte 1
Byte 2
■
□
□
□
□
□
■
■
□
□
□
□
□
■
■
 different "col-
8
Byte 3
unused bits
Pixel 1
Byte 3
□
□
□
□
□
□
□
□
□
□
□
■
■
■
■
□
□
■