Can the SR300 IR camera get more than 60fps，like，maybe 300fps？

[Joel_T_]

We got a F200 and a SR300,the F200 IR camera can get up to 300fps,can we get more than 60fps using SR300 IR camera? The best result,we hope to get 300fps as well using SR300.If can ,how should we do?

thank you !

[MartyG]

The official rating for the SR300's IR FPS seems to be up to 200 FPS, as seen on the specification illustration on the camera's Intel store page (see the box named "Infrared Camera").

http://click.intel.com/intelrrealsensetm-developer-kit-featuring-sr300.html

You could perhaps "overclock" the FPS rate using a utility such as the one created by RealSense community member Samontab that enables you to change the parameters of the camera's laser.  Samontab's utility was primarily designed for the F200 camera, though the SR300 has back-compatibility with F200 applications so perhaps it would work with the new camera too.

https://software.intel.com/en-us/forums/realsense/topic/537872

If Samontab sees this - do you think such an overclock to 300 FPS would be feasible by changing laser parameters, Samontab?

[samontab]

The bottleneck seems to be the CPU, at least that's what we discovered here:

https://software.intel.com/en-us/forums/realsense/topic/594097

And regarding the SR300 being backward compatible, mmm, not really plug and play, as someone already discovered here:

https://software.intel.com/en-us/forums/realsense/topic/537872

That utility is starting to show its age, maybe I will come up with something more general.

[Joel_T_]

Thank you for helping me! you are really nice. But I can not figure out my problems.

here is my problems

1. I can set F200 to 300fps,so I think it is not the computer. But I can not set SR300 more than 60fps.

2. I can set SR300 to 60fps, so maybe the problem is not the SDK version

and I don't know what's wrong with it...

[samontab]

Well, first things first: The 200fps limit is for the infrared camera. Double check that. The color camera is the one with a maximum of 60fps

If you are indeed using the infrared camera, try using another format or resolution. Maybe some combinations are not able to produce the maximum speed.

And Marty, that would not work. There are two things here, the exposure time, and the actual frame rate. A camera is capable of transferring a certain amount of information, say 200fps@640x480. That's the absolute maximum. That means that on each frame you have up to 5ms for exposure. If you increase the exposure time to say, 10ms, you will reduce the frame rate to 100fps. But, if you decrease the exposure time to, say, 2ms, you would still transfer images at 200fps, but exposed at 2ms each. This is because the camera simply cannot transfer data faster than this.

[MartyG]

Well it was worth asking anyway, Samontab.  If you don't ask, you don't get.  ;)  Thanks!

[Eli_E_]

I can confirm that the maximum FPS on the IR camera is 200 as also notated in the librealsense source: https://github.com/IntelRealSense/librealsense/blob/master/src/f200.cpp#L139