Enhancing User Experiences of Mobile-Based Augmented Reality via Spatial Augmented Reality: Designs and Architectures of Projector-Camera Devices
Figure 4
Four combinations of coaxializing a projector with a camera. The combination of RGB projector and infrared camera is used in [21] where two infrared illuminators are attached separately outside projection engine. The combination of RGB projector and RGB camera is also presented in [19, 26].