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Multi-Femto Mega camera connecting issue from the network #61
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Hi @Anil-Bhujel Thank you for using the Femto Mega camera. We're glad to hear that the OrbeecSDK_ROS2 is running smoothly on your Ubuntu machine. Regarding your question about connecting multiple Femto Mega cameras over a network, I would first like to know how many cameras you plan to use and the resolution at which you plan to capture data. Our RGB streams use compression techniques such as MJPEG, H.264, and H.265, while depth streams are not compressed and are only available in Y16 format. Please note that H.264 and H.265 compression methods are only supported over the network. We will also soon be able to give you an example of setting up multiple cameras over the network. Best regards, |
@jian-dong
Sorry for a bit long queries, this is quite critical experiments and we are happy to use Orbbec camera. FYI, we set the IPs to each camera connected via network for single camera. When we connected all cameras in the network and run ros2 launch orbbec_camera femto_mega.launch.py enumerate_net_device:=true, it only launches single camera having the least IP address. Once again thank you for your time and support. |
Hi @Anil-Bhujel
This information will help us conduct a more accurate assessment. Thank you for your cooperation, and we will get back to you as soon as possible. |
Hi @jian-dong
I hope it clarifies you. If you have further let me know. |
@jian-dong |
In our previous test, the data size per second was: RGB: 1920x1080, 30fps, H264, data size: 2.59MB From this, we estimated that the data size for 4 cameras over 10 minutes would be 55.5GB. If the frame rate is reduced to 15fps, the data size would be: 55.5 / 2 = 27.77GB. If a lossless compression algorithm like RVL is used, with a compression ratio of 1/3, the total data size for 10 minutes should be reduced to around 9GB. @jian-dong Does rosbag2 support RVL compression and decompression during playback? |
Hi @zhonghong322 Thanks in advance |
First of all, thanks for the nice SDK. I have setup the environment and run the OrbeecSDK_ROS2 in the Ubuntu machine and working fine. However, I didn't see the launch file for connecting multiple Femto Mega camera from the network. There is a launch file for multi-camera connected through USB but couldn't see for network ones. Could you please suggest about it how we can get it? Also, I would like to know about the compressed images from the camera. What compression technique is used and can we set the compression level during launch time?
Anil Bhujel,
Research Associate,
Michigan State University
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