An improved filter for point target detection in multi-dimensional imagery

被引:8
作者
Raviv, O [1 ]
Rotman, SR [1 ]
机构
[1] Ben Gurion Univ Negev, Dept Elect & Comp Engn, IL-84105 Beer Sheva, Israel
来源
IMAGING SPECTROMETRY IX | 2003年 / 5159卷
关键词
hyperspectral imagery; point target detection;
D O I
10.1117/12.505935
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We consider a method to improve the standard RX algorithm for point target detection. In this algorithm, we weight the results from an anti-mean or anti-median filter by dividing by the standard deviation of the local environment of each suspect pixel. In this way, we lower the false alarms caused by edge points. The results of each band are then combined. Results will be shown for visible and SWIR hyperspectral imagery.
引用
收藏
页码:32 / 40
页数:9
相关论文
共 7 条
[1]  
ACETTA JS, 1993, PASSIVE ELECTRO OPTI, V5, P209
[2]   Performance measurement in point source target detection [J].
BarTal, M ;
Rotman, SR .
INFRARED PHYSICS & TECHNOLOGY, 1996, 37 (02) :231-238
[3]   Algorithms for point target detection in hyperspectral imagery [J].
Caefer, CE ;
Rotman, SR ;
Silverman, J ;
Yip, PW .
IMAGING SPECTROMETRY VIII, 2002, 4816 :242-257
[4]   An experiment-based quantitative and comparative analysis of target detection and image classification algorithms for hyperspectral imagery [J].
Chang, CI ;
Ren, H .
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2000, 38 (02) :1044-1063
[5]  
RAVIV O, IN PRESS SIGNAL DATA, V5204
[6]   ADAPTIVE MULTIPLE-BAND CFAR DETECTION OF AN OPTICAL-PATTERN WITH UNKNOWN SPECTRAL DISTRIBUTION [J].
REED, IS ;
YU, XL .
IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING, 1990, 38 (10) :1760-1770
[7]   A dynamic programming algorithm for point target detection: Practical parameters for DPA [J].
Succary, R ;
Cohen, A ;
Yaractzi, P ;
Rotman, SR .
SIGNAL AND DATA PROCESSING OF SMALL TARGETS 2001, 2001, 4473 :96-100