基于DSP的实时红外图像处理系统的设计

Design of real-time processing system for IR image tracking based on digital signal processor

红外焦平面成像系统是红外成像技术发展的趋势。红外传感器出来的原始信号,由于信号的非均匀性,信号噪声大以及弱小目标的红外信号的灰度级不明显,所以,提出了基于DSP的红外信号处理板,采用两点温度定标的非均匀校正算法,以及中值滤波,直方图连续拉伸的算法,来修正红外图像,以达到满意的效果。

Imaging system of infrared focal plane arrays (IRFPA) is the development direction of infrared imaging system (IRIS) in future. Through analyzing basic laws about infrared radiation, the characteristic of infrared image is discussed in detail. The real-time system of infrared video tracker based on DSP is realized. The reason and characteristic of infrared non-uniformity are analyzed, and the algorithm of two points real-time non-uniformity corrections is realized in hardware platform. The result of correct...