I`m planning to use a DeepWater Exploration HD camera on a newbuild. The whole newbuild is based on blue robotic parts with rasberry P1 and navigator. When connecting the camera exploreHD 3.0 (400m) Underwater ROV/AUV USB General Vision Camera – DeepWater Exploration to the Rasberry the lag is insan…

Hi @SDI - I’ve not tested that specific setup. Does mowing t the bitrate or removing a stream resolve the issue? What version of BlueOS and Cockpit are you using?

Hi @SDI - The specifications page list the data rate on the camera as 10mbit/s, this is about the same as the Blue Robotics USB Lowlight camera. Are you running the latest version of BlueOS (1.2 beta 8) ? Did you configure the stream to use H264, MJPEG, or YUY2? Are you using Cockpit or QGround…

Hi @SDI , [image] Oystein Skarholm: … the lag is insane! To clarify, by “lag” do you mean latency from reality until the image appears on your screen, or are there stretches of time where no frames are appearing (i.e. like lag spikes in a video game)? In case it’s relevant, @DeepWaterExplora…

Hello! You have previously posted on our forums regarding this issue and we are working on a resolution at the moment. I do think it could be a pipeline issue, as you previously stated that the cameras work fine when directly connected. DWE OS - DeepWater Exploration docs DeepWater E…

Tony, thank you for your answer. At this time there is no ROV in the picture, just the rasberry Pi, connected directly to the topside PC via ethernet cable, so the usb cables are all inside the jacket , and remember, it works perfect when connected directly to the topside PC usb port and tested. I …

Eliot, the correct term would be latency I guess, as the picture is clear as lon as the camera sits still or there is no movement in front of the camera.

This how it looks like, changes from this [image] to this, when camera moves or if anything moves in front of the camera. [image] [image]

I did a network test between the topside PC and rasberry [image] [image] Under is the camera view when connected directly to the main computer [image]

We are glad you are not having issues with our camera unit. Please email our support and we would be more than happy to help you resolve your problem with the remainder of your pipeline.

My best guesses in this case would be either: an encoding/decoding issue often the encoding selected when viewing a directly connected USB camera’s stream is different to one when a stream is being passed on through a network, so it’s possible the camera is struggling with a particular encoding …

Eliot The rasberry is sitting loose on the test bench right now, with the Navigator connected on top. The camera is the only thing being plugged into the rasberry at the moment. The power supply is 5V 5A connected to the rasberry via the USB C contact.

DeepWater Exploration camera on Bluerov

General Discussion

SDI (Oystein Skarholm) March 12, 2024, 2:49pm 7

This how it looks like, changes from this

to this, when camera moves or if anything moves in front of the camera.

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