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Study on Image Data Acquisition and Display Technology of the Infrared Sensor Array

Author: SunLiBin
Tutor: CaiHuaiYu
School: Tianjin University
Course: Optical Engineering
Keywords: Infrared cameras Frame rate IRFPA DSP Video
CLC: TP391.41
Type: Master's thesis
Year: 2010
Downloads: 96
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Abstract


Infrared radiation has been found in the most primitive of thermal detectors since 1800 Herschel mercury thermometer production , people began to use a variety of methods to detect infrared radiation . Today, the infrared thermal imaging technology has been booming , expanding applications , plays a vital role in the national product and national defense construction . Compared to the level of foreign advanced technology , the development of our country in the field of infrared thermal imaging is relatively backward , not only because of the infrared imaging technology in China started late , more importantly, is the foreign monopoly and confidentiality of sensitive infrared imaging technology . Therefore, to break this monopoly of independent research and development of high-performance infrared imaging equipment , is related to the country 's economic development and national defense and security , China solved the technical problems . In this paper, an infrared camera produced in the United States , has designed a set of data acquisition and display system , and improve the quality of the output image , the frame rate high frame rate image output , to break the embargo by upgrading its video display , thereby expanding its range of applications. First of all , through the analysis of the sensor output of the image signal of the camera IRFPA clear the characteristics of the output signal ; Then, in the signal characteristics in the basis of the overall system design , to digital signal processor TMS320C5509A as the controller , using the hardware circuit and a look - up table method to achieve a data acquisition and real-time processing of the infrared image signal ; Finally, complete CH7013B collected video coding output of the infrared image . Through the experimental tests prove that the present system design is feasible , IRFPA sensor output image signal conversion can be completed , the acquisition , storage and real-time display . The system output video display frame rate raised from 8.33Hz to 25Hz, to achieve the design requirements .

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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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