Multiple Intel RealSense cameras at once

A deep dive into the RealSense cameras from Intel has proven fruitful. Gunnar and Mikael have written new software in C++ parallel to extensive construction work in unity. Today the whole team engaged in a first recording of a proper VR-video clip recorded with 4 Intel RealSense cameras plus sound. Gustav Thane took up the hammer again and made his thing. It became clear that a more user-friendly interface for handling the files is needed.

Prior to this session Gunnar spent some time on making a rather intuitive method to calibrate the four cameras to each other with the hand controls in the VR environment. Mikael built a way to paste a 360 movie to the walls and roof of the space where the textured point cloud is moving around. But most of the time Mikael’s skills in programming Unity and Gunnar’s mastery of solving problems have been just the combo to push the project forward. A brand new computer had to be purchased too. The old one was kick-ass a year ago but had difficulties handling the heavy files and processor-draining recording and playback of the files. The playback of four simultaneous point clouds is rather heavy on the processor so we’ve been experimenting with using a decimation filter on the point cloud rendering, resulting in a better frame rate… but in the end a new GPU was our only choice (The new computer is has a RTX2080 and an intel core i7-9700 K and a proper SSD-drive). Today the depth sensors are recording on almost full capacity 848×480 pixels (full is 1280×720) whilst the texture is recorded in 1280×720. The reason we do not use full capacity for the depth sensor is because that would only give us 15 frames per second and 30 pixels seemed more attractive at the time… still do. Soon we are ready to do a proper rehearsal with actual audience.

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