Research On Pseudo-3D Image Processing Technology For Mobile Terminals

With massive introduction of 3D display methods on mobile terminals, the requirement of 3D modeling and corresponding calculation grows rapidly. Currently lots of mobile terminals have equipped with high performance processer, graphic processing accelerators and larger RAM, and have great image rendering abilities. However, for the interactive wireless applications like handheld video game, the limited data rate transmission, on which some basic 3D model parameters should be surveyed, greatly restrict the effect of real-time display. Typical data sets for 3D rendering often exceed the available memory size and rendering capabilities. Therefore it's still a challenging work to display a textured and complex 3D scene smoothly in real-time on such devices.This thesis is based on researches on 3D layer display technology, and proposed a pseudo-3D method which takes human visual effect into consideration by using multi-layer technology. Our research work is to design and implement a system which can result in a quasi-3D visual effect, under the condition that the transmission bandwidth and power for mobile terminals are limited. Firstly research on the scenario of 3D image application and 3D rending method are carried out, then analyzed on pseudo-3D images or video application prospect and proposed an evaluation system for 3D image transmission and display system on mobile terminals. Secondly a multi-layer based pseudo-3D model structure is proposed, and by using image transformation method for layer processing, the retrieval method for key transformation information unit is proposed. Thirdly this thesis proposed methods for multi-layer division, which can auto-adjust to bandwidth, and software architecture and hardware realization possibilities are also proposed.Simulation results demonstrated that pseudo-3D image transmission and display model for mobile terminals proposed by this thesis can result in a 3D effect. Meanwhile transmission data size is relatively small which can adjust to different transmission conditions. Evaluated with different aspects as transmission bandwidth and construction complexity, and by comparing with other existing methods, our proposed method is simple to implement and in accordance with evaluation system, and have a wide application prospect in the future.