Computer Science ›› 2016, Vol. 43 ›› Issue (2): 60-63.doi: 10.11896/j.issn.1002-137X.2016.02.013

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Infrared Dim and Small Target Detection Based on Background Prediction by Wavelet Filter

JIAO Jiao, XIE Yong-jie, ZHANG Hua-liang and ZHANG Song   

  • Online:2018-12-01 Published:2018-12-01

Abstract: Dim and small target detection is a critical technology in the infrared image field. The target can be detected effectively from the background,which is important for the work of target tracking and recognition.Aiming at defects of the existing target detection technology,an approach for infrared dim and small target detection based on background prediction by wavelet filter was proposed.The approach utilizes wavelet filter to remove the target as noise,then the background image and the foreground image are estimated,finally infrared dim and small target can be extracted effectively by connecter screening and contrast thresholding.The approach was tested on the real images of photoelectric theodolite.Experiments show effectiveness of the method on anti-noise,background prediction,and infrared dim and small target detection.

Key words: Infrared image,Dim and small target detection,Wavelet filters,Background prediction

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