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Design and Implementation of a Real-time Processing System for Panoramic Video

Author: LiLe
Tutor: ZhangMaoJun
School: National University of Defense Science and Technology
Course: Control Science and Engineering
Keywords: panoramic video strategy of the symmetry in eight directions dual-core embedded systems
CLC: TP391.41
Type: Master's thesis
Year: 2007
Downloads: 268
Quote: 3
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The images which contain the scenes of all directions around a single viewpoint can be achieved by panoramic technology. The observer will find the changes of surroundings more quickly and accurately by panorama than by traditional image processing technology. The small and portable panoramic video processing system can be designed by the panoramic and embed technology, which can solve many problems such as the vision of robot, video surveillance and so on. Combining with embed technology, the panorama will have a very broad application prospect in many fields.However, a large number of complex computing has to be done during the process of making a panorama. And many general video processing platforms fail to produce the panorama in real-time. In this paper, I design a real-time panoramic video processing system based on the dual-core processing platform, which uses DSP and FPGA architecture. It can process the panorama in real-time. The FPGA is responsible for the panoramic video collection and processing, and the DSP is mainly responsible for the output of panoramic video. In accordance with the features of DSP and FPGA data interface, we use DSP EMIF interface to build a high-speed data transmission channel of 100MBps between the DSP and FPGA, so that we can ensure the real-time transmission of panoramic video data. Through deeply researching the existing algorithms of panoramic video processing, we use a strategy of the symmetry in eight directions to enhance the efficiency of algorithms. In according to the features of hardware resources in FPGA can be reconfigurable, we must optimize the allocation of hardware resources, and improve the algorithm of panoramic video processing, so as to enhance system performance fully.We can obtain the satisfacting results from the panoramic video processing system. Finally, the paper summarizes the achievement of the panoramic video processing system, and proposes the goal of the next step.

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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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