Yuv 4:2:2 Packed Format - Basler GIGE VISION ace acA640-100gm/gc Manual

8.3.4
When a color camera is set for the YUV 422 Packed pixel data format, each pixel value in the
captured image goes through a conversion process as it exits the sensor and passes through the
camera's electronics. This process yields Y, U, and V color information for each pixel value.
For more information about the conversion processes, see Section 7 on
The table below describes how the pixel data for a received frame will be ordered in the image buffer
in your PC when the camera is set for YUV 4:2:2 Packed output.
The following standards are used in the table:
P = the first pixel transmitted by the camera
0
P = the last pixel transmitted by the camera
n
B = the first byte in the buffer
0
= the last byte in the buffer
B
m
Byte
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
B
9
B
10
B
11
•
Basler ace
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YUV 4:2:2 Packed Format

Note
The values for U and for V normally range from -128 to +127. Because the
camera transfers U values and V values with unsigned integers, 128 is added
to each U value and to each V value before the values are transferred from
the camera. This process allows the values to be transferred on a scale that
ranges from 0 to 255.
Data
U value for P
0
Y value for P
0
V Value for P
0
Y value for P
1
U value for P
2
Y value for P
2
V Value for P
2
Y value for P
3
U value for P
4
Y value for P
4
V Value for P
4
Y value for P
5
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Pixel Data Formats
page 101.
121