3D video for VR?
Hello
I'd like to know if there is a realsense model with
two RGB cameras in sync, so they output RGB images in different angle
at the same time
I want to make 3D video with it
https://www.intelrealsense.com/depth-camera-d435/
For me it looks like it has two RGB cameras(Left imager and right imager) but not sure
Also I wonder if Realsense camera is usable in Linux out of the box through V4L2
Thank you
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Hi Park0kyung0won There are no RealSense camera models with two RGB sensors. The 400 Series cameras typically have one RGB sensor and two infrared sensors (a left and right pair).
On the D415 model you can obtain a color stream from the left infrared imager. On the D435 models though, both infrared sensors output monochrome color.
Aligning the infrared channel to the color channel has traditionally been very difficult though, because one of the stream types in the alignment should be the depth stream (e.g depth to color). Depth is already aligned to infrared because the depth frame is generated from infrared.
A workaround emerged though where infrared to color sensor alignment could be achieved by aligning all three streams (color, depth and infrared).
https://github.com/IntelRealSense/librealsense/issues/5093
It should be considered though that the D415 has a slower camera shutter than the D435 models and the new D455 (which have fast global shutters) and so trying to capture movement faster than human walking pace may result on blurring and other motion artifacts on the image.
Regarding VL42 support: RealSense's documentation for compiling librealsense for Linux states that the Linux build configuration is presently configured to use the V4L2 backend by default.
https://dev.intelrealsense.com/docs/compiling-librealsense-for-linux-ubuntu-guide
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