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The Study of Image Registration and Moving Target Detection Based on Infrared Image in Complex Scene

Author: ChenHongTao
Tutor: ZhaoYiGong
School: Xi'an University of Electronic Science and Technology
Course: Pattern Recognition and Intelligent Systems
Keywords: Infrared image Image registration Motion compensation Moving target detection
CLC: TP274.4
Type: Master's thesis
Year: 2007
Downloads: 459
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Abstract


Monitoring systems in recent years , is widely used in traffic control , smart weapons , moving target detection and tracking technology as the core technology of digital image processing , has also become an important component part of the monitoring system . In this paper, the monitoring system , in particular the study of the infrared surveillance system background , development status , system components and research methods were introduced and analyzed , discussed some of the problems encountered in practical applications and research . The infrared image imaging characteristics determine its approach is different than visible light image , the nature of the noise characteristics of visible light and infrared images starting research began to analyze the differences between , and the use of existing image filtering method of early finally obtained the infrared image denoising , enhancement processing , by comparison of simulation results of various filtering methods , summarized the main features and applications of the various methods . Analysis and monitoring system has gone through a long period of time , but the majority of its research is limited to indoor scenes or detectors in a quiescent state . In this paper, the analysis of the the infrared detectors movement characteristics of the status and image of the scene , for the phase correlation method in image registration and motion compensation technology , block matching , optical flow method and a feature point extraction registration method and part of the simulation , and image registration based on feature point extraction method has been improved , according to a preliminary analysis of the simulation results of the improved method to determine the feasibility of a general idea . Moving object detection and tracking technology, especially moving target detection technology as the most central monitoring system detailed discussion and analysis . Cumulative average method were targeted the instantaneous difference method in the adjacent frame difference , background subtraction method in three difference method and background modeling algorithm based on the Gaussian distribution statistical modeling method based on implementation steps , applicable occasion detailed elaborate and combine multiple simulation results to compare the advantages and disadvantages of several methods . Tracking technology , this paper gives a brief introduction to several classical methods . Part of the end of the article , based on the above analysis and research , hope for the future work .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Centralized testing and roving detection system
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