Frame Rates; Calculating Maximum Possible Frame Rate - FLIR GRASSHOPPER 3 Series Technical Reference

8.4

Frame Rates

The tables on the following pages show the supported pixel formats and mode combinations, along with
achievable frame rates at varying resolutions, for each camera model.
In some cases, enabling Jumbo Frames on the NIC can help to achieve maximum frame rates. Jumbo Frames
can be enabled using the GigE Configurator.
8.4.1

Calculating Maximum Possible Frame Rate

Theoretically, the maximum achievable frame rate for each camera on the network depends on available
bandwidth, bytes per pixel, and resolution.
Bytes per pixel (BPP) is related to pixel format.
8-bit = 1 BPP
n
12-bit = 1.5 BPP
n
16-bit = 2 BPP
n
24-bit = 3 BPP
n
The theoretical frame rate (FPS) that can be achieved can be calculated as follows:
An example for GS3-PGE-23S6M:
Assuming a 1920 x 1200 image, with an 8-bit pixel format, using 105.98 MB/s bandwidth, the calculation would
be:
2/10/2017
©2013-2017
FLIR Integrated Imaging
Solutions Inc. All rights reserved.
Note: Available bandwidth depends on
Delay. For information about calculating available bandwidth, see
Determining Bandwidth
Frame Rate in FPS = (Bandwidth / (W x H x BPP)) / Number of Cameras
Frame Rate
= (Bandwidth / (W x H x BPP)) / Number of Cameras
Frame Rate
= (105980000 / (1920 x 1200 x 1)) / 1
Frame Rate
=
Grasshopper
8 Grasshopper3 PGE Attributes
Packet Size
Requirements.
46 FPS
®
3 PGE Technical Reference
and Packet
60