REGISTRATION-NOISE REDUCTION IN DIFFERENCE IMAGES FOR CHANGE DETECTION

被引:60
|
作者
GONG, P [1 ]
LEDREW, EF [1 ]
MILLER, JR [1 ]
机构
[1] UNIV WATERLOO,DEPT GEOG,INST SPACE & TERR SCI,EARTH OBSERVAT LAB,WATERLOO N2L 3G1,ONTARIO,CANADA
关键词
D O I
10.1080/01431169208904151
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
Two methods are introduced and evaluated for the reduction of registration noise in difference images: image smoothing and adaptive grey-scale mapping. Landsat Thematic Mapper (TM) data obtained on two different dates over an urban and urban-fringe area depicting significant change were geometrically registered and then subtracted from each other. The TM band 3 difference image was used to test the registration noise reduction algorithms. Results indicate that adaptive grey scale mapping is more appropriate to use for registration noise reduction.
引用
收藏
页码:773 / 779
页数:7
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