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Technology Research of X-ray Image’s Real-time Processing and Coding Based on DSP

Author: YangHongZe
Tutor: ChengYaoZuo
School: University of North
Course: Signal and Information Processing
Keywords: X-ray detector DSP H.264 encoding Real-time processing Transplantation and optimization
CLC: TP391.41
Type: Master's thesis
Year: 2011
Downloads: 32
Quote: 0
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Abstract


Conventional X-ray detection system is only a subsequent processing of the image , which image acquisition back on the PC using software enhancement , noise reduction processing , this method is difficult to achieve real-time requirements for the further development of the detection technology , such as the workpiece is being rotated through the camera to obtain the full range of image detection , the traditional method is difficult to meet the requirements , in order to achieve real - time full display , while in recent years, the rapid development of the DSP can satisfy real-time requirements . Take into account the future development , some environmental situation may require remote online testing , subjects also plans to study the latest coding standard H.264 combine DSP and coding techniques , to expect to achieve the desired requirements . First of all, the TMS320DM643 media processing chip , the X - ray image intensifier (or called ray image intensifier ) as well as the characteristics of the H.264 standard , as the preparation of the research foundation of knowledge , research and feasibility studies , a way to the X-ray images in real-time processing and real - time image of the codec of the system . And analysis of real - time X-ray imaging application technology , introduced the basic situation and analyze their strengths and weaknesses . The study focused on the hardware processor to DSP CCS as a multi-purpose DSP development environment , the development of real-time processing of X-ray systems , and use of the H.264 codec procedures based on image processing on the DSP porting and optimization of real-time image processing to improve image quality. Of this article focuses on the following two aspects : 1 X -ray real-time imaging application technology research , analysis of the principle of the system , which the imaging characteristics of its application , in view of the high-speed DSP , a flexible software processing power , applied to X ray imaging aspects . 2 on the basis of the high - resolution camera's image processing software development , on the basis of the existing conventional classical image processing algorithms to find efficient , and is suitable for image processing algorithms of the software system . H.264 real-time image codec algorithm , based on the study of its open-source encoder optimization algorithm . MD643 's powerful peripheral interface , can be easily connected to a PC , to facilitate the detection detection , save the real-time image and pave the way for the subsequent development .

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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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