The 4D tracking techniques would use 4D dynamic solid modeling of a cluttered space by collecting depth data from 3D cameras. These modeling concepts can then be applied in a number of use cases.
Deep neural networks RSS
IBM is working on patenting a watermarking technology to protect the ownership of AI models developed by AI researchers. The framework does have some limitations but is bound to improve with time.
Microsoft has announced that the next version of the holographic processing unit in its HoloLens headset will incorporate a custom-designed AI coprocessor, which is now in development.