Calculation Of Data Transfer Rate - JAI AT-140GE User Manual

9.2.4 Calculation of Data Transfer Rate

In order to calculate the data transfer rate, the following parameters and formula are
required.
Setting parameter
Item
Image Width
Image Height
Bits per Pixel
Frame Rate
Packet Size
Number of Packets (including Data Leader & Trailer
Packet)
Data Transfer Rate
Fixed value
Item
Data Leader Packet Size
Data Trailer Packet Size
Formula to calculate Data Transfer Rate
J=｛90+62+(E+18)*(G-2)｝*8*D/1000000
Where,
The following table shows Bits per Pixel (Item C) which depends on the pixel format.
Pixel format
RGB8
RGB10V1Packed
RGB10V2Packed
Calculation example: AT-140GE Pixel type RGB8
Item
Image Width
Image Height
Bits per Pixel
Frame Rate
Packet Size
Number of Packets (including Data Leader & Trailer
Packet)
Transfer Data Rate
G=ROUNDUP {(1392 x 1024 x 24/ 8 / (4036-36)) + 2 = 1086 + 2 = 1088
J={90+62+(4036+18)x(1088-2)} x 8 x 20.77 / 1000000 = 732 Mbit/s
AT-140GE
G=ROUNDUP{A*B*C/8/(E-36)}+2
Bit
24
32
32
- 26 -
Unit Symbol
[pixels] A
[pixels] B
[bits] C
[fps] D
[Bytes] E
[packets] G
[Mbit/s] J
Unit value
[Bytes] 90
[Bytes] 62
Unit Symbol
[pixels] A
[pixels] B
[bits] C
[fps] D
[Bytes] E
[packets] G
[Mbit/s] J
Setting
1392
1040
24
20.77
4036