| IRST系统中图像实时JPEG压缩技术的实现 |
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| 引用本文： | 祁海军,凌清,刘鑫,岳元.IRST系统中图像实时JPEG压缩技术的实现[J].激光与红外,2012,42(11):1291-1295. |
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| 作者姓名： | 祁海军 凌清 刘鑫 岳元 |
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| 作者单位： | 华北光电技术研究所,北京,100015 |
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| 摘 要： | 针对现有红外搜索跟踪系统数据量大、传输带宽高的问题,结合实际应用背景,提出了有效降低图像传输带宽的方法——JPEG图像压缩。深入研究了JPEG算法,并且详细描述了各个模块的实现方法。进而在System Generator中通过图形化语言对FPGA进行编程、仿真及实现。该方法在现有的红外系统中得到了实际应用,完成了在有限传输带宽内将系统前端红外图像传输到后端指挥中心的任务。
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| 关 键 词： | JPEG FPGA System Generator 红外图像 |
Implementation of real-time JPEG compression in IRST system |
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| QI Hai-jun,LING Qing,LIU Xin,YUE Yuan.Implementation of real-time JPEG compression in IRST system[J].Laser & Infrared,2012,42(11):1291-1295. |
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| Authors: | QI Hai-jun LING Qing LIU Xin YUE Yuan |
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| Institution: | (North China Research Institute of Electro-optics,Beijing 100015,China) |
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| Abstract: | Aiming at the huge amount of data and the need for high transmission bandwidth in infrared search and track system,the JPEG compression algorithm is introduced into the system.The JPEG algorithm and its various modules are discussed in detail.The approaches to realize the function of the modules are described.The test results are given out by programming and simulating with graphical language in System Generator software.Finally,the method is applied in the practical infrared search and track system developed recently.In the practical system,the infrared images collected by the front units can be transmitted to the command and control center smoothly with a limited bandwidth. |
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