Detection algorithm of infrared dim target based on digital signal processor

Yu Hongming; Wan Min; Gu Jingliang

doi:10.3788/HPLPB20122408.1951

Volume 24 Issue 08

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(08): 1951-1955

Lai Jianqiang, Wei Yanyu, Huang Minzhi, et al. RF circuit for W-band staggered double vane backward wave oscillator[J]. High Power Laser and Particle Beams, 2012, 24: 2164-2168. doi: 10.3788/HPLPB20122409.2164

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Yu Hongming, Wan Min, Gu Jingliang. Detection algorithm of infrared dim target based on digital signal processor[J]. High Power Laser and Particle Beams, 2012, 24: 1951-1955. doi: 10.3788/HPLPB20122408.1951

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Detection algorithm of infrared dim target based on digital signal processor

doi: 10.3788/HPLPB20122408.1951

1.
Institute of Applied Electronics,CAEP,P.O.Box 919-1002,Mianyang 621900,China

Received Date: 2011-08-24
Publish Date: 2012-08-15

Abstract

Abstract

A high efficiency algorithm for detecting infrared dim target based on digital signal processor (DSP) is proposed. It is designed especially for thecloud edge left after the image preprocessing of irregular clouds, and it is a searching algorithm based on improved notch filter after the backgroundpredicting. A DSP-based real-time image processing platform has been used to implement and test the algorithm in real scenarios. It is proved that the algorithm can restrain the negative effect of the residual cloud edges effectively. The detection distance reaches 26 km and the real-time processing speed can reach 75 Hz. The algorithm improves the signal-to-noise ratio of images significantly, which is beneficial to target detection.
- infrareddimtargetdetecting,
- backgroundpredicting,
- notchfilter,
- digitalsignalprocessor

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