研究了红外图像目标及背景的红外特性，对传统的红外图像预处理方法进行了研究。
The characters of IR targets and backgrounds are researched, and the traditional IR image processing methods are reviewed.
介绍了基于FPGA的红外视频图像高速采集及预处理电路的总体结构。
The structure of high speed infrared image acquired and pre-process system based on FPGA is presented.
红外图像模式识别系统，由图像预处理、特征提取及模式分类组成。
The infrared pattern recognition system consists of image preprocessing, feature extraction and pattern classification.
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