Abstract:In the proposed scheme various technical options to implement 3D dual-view systems, from four frames generated by two triggered or non-triggered 3D projectors. Such a technique offers 3D free-viewpoint capabilities for two viewers. We compare two different technical implementations based on transmissive video projection and reflective silver screen, combining two different 3D encoding techniques: polarization and time multiplexing. The main objective is to analyze and mitigate the ghosting effects, as a function of the technical, modal and frame pairing choices with respect, first to the image optical quality and second to prevent visual fatigue. DUAL-VIEW is an intrinsic capability of TVs or video projectors displaying 3D contents. Dual-View TVs basically play two full HD image streams that can be tuned by the viewers wearing compatible glasses. It means that two users watching the same TV can watch different channels in full HD. In other words, the stereo pair is used to separate the streams for two different viewers. Consequently, watching 3D view requires at least four independent frames projection or display. The benefit is that 3D Dual-View enables two viewers to watch simultaneously two different 3D contents, as well as the possibility for these viewers to watch the same 3D content, but with different viewpoints, according to their location with respect to the screen. This provides the advantage of free viewpoint projection, which is not possible with conventional 3D contents.
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