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The Design of a 3D Graphic Engine Based on Embedded System with Realization of Some Key Techniques

Author: ChenGang
Tutor: ZhouLiHua
School: Xi'an University of Electronic Science and Technology
Course: Computer System Architecture
Keywords: Embedded Systems 3D rendering Illumination Texture mapping Depth sorting
CLC: TP391.41
Type: Master's thesis
Year: 2008
Downloads: 97
Quote: 1
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Abstract


The rapid development of mobile terminals such as mobile phone, PDA , so that the increasing complexity of embedded systems , the requirements for the graphic display is gradually increasing , especially in the consumer entertainment industry . Video codec based embedded systems , high-speed network , as well as real - time 3D rendering is become in recent years, the research focus . In this paper, the Da Vinci development board DVEVM based design a basic 3D rendering , and each key algorithms . Be able to complete the model is loaded , coordinate transformation , blanking , lighting , texture mapping , cropping, depth sorting pipeline processing technology . Advanced rendering technology as well as terrain generation has yet to be extended . For portability , this article involves 3D renderer does not have the downward direct access to hardware devices , but in the form of interface calls the the lower driver package library . Resolution of embedded systems in general is not high , the pursuit of quality can not be compared with the computer . In addition, the restriction on the processor frequency is also a certain degree of complexity of the algorithm used . Accordingly, in order to increase the processing speed , in the algorithm adopt simple calculation amount is small , although the picture quality is slightly reduced , but the speed is improved . In addition , the embedded system support for the C language is not perfect , so all of the code in this article using the C language . Each part of the algorithm are discussed in this article gives the C language , the whole system is not fully realized , so the correctness of the algorithm and the effect of presentation on the computer .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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