Analysis and suppression method of flickering pixel noise in images of infrared linear detector
Received:October 16, 2017  Revised:March 13, 2018  download
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Author NameAffiliationE-mail
LIU Gao-Rui Key Laboratory of AeroSpace Moving Target Detection and Recognition based on Infrared Technology Chinese Academy of Sciences 1173142897@qq.com 
SUN Sheng-Li Key Laboratory of Infrared Detecting Imaging Technology,Chinese Academy of Sciences
Shanghai Institute of Technical Physics,Chinese Academy of Sciences 
palm_sun@163.com 
LIN Chang-Qing Key Laboratory of Infrared Detecting Imaging Technology,Chinese Academy of Sciences
Shanghai Institute of Technical Physics,Chinese Academy of Sciences 
 
LYU Ping-Yue Key Laboratory of Infrared Detecting Imaging Technology,Chinese Academy of Sciences
Shanghai Institute of Technical Physics,Chinese Academy of Sciences
University of Chinese Academy of Sciences 
 
Abstract:In this paper, the characteristics of the flickering pixel phenomenon in the infrared scanning image are analyzed. The detection and compensation method of the flickering pixel based on the time series multi-frame maximum projection is designed. Considering that the flickering pixels still retain a part of the information acquisition ability, the one-dimensional median filter is used to suppress the background for the position w here flickering pixels exist. Traditional methods of target detection are carried out for the image after flickering pixels compensated. Experiment results show that after background suppression, the target average signal to clutter ratio in the flickering pixel location can reach96% of the normal position, and the target information is w ell preserved. The traditional method of target detection is no longer interfered by flickering noise.
keywords:flickering pixel noise, infrared linear detector, multi-frame maximum projection, low signal-noise ratio(SNR) small target
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Copyright:《Journal of Infrared And Millimeter Waves》