Technology and Methodology |
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THE FUSION APPROACHES FOR SAR AND TM IMAGES |
Chen Caifen, Shu Ning |
Wuhan Technical University of Surveying and Mapping, 430079 |
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Abstract The methods of color_space transformation, ratio transformation and the correlation coefficient have been discussed in this paper for image fusions of SAR and TM band 3,4,5 respectively, in order to get the enhanced images. The details of techniques and processing methods during the image fusion have been introduced. Because of the obvious noises within SAR image, the δ filtering as preprocessing for noise removal before image fusion should be considered. The image quality evaluations after fusion could be implemented by visual effects, eutropy, average gradiant and standard deviation. The results show that the informations of fusion images are richer and clearer than the raw ones'.
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Keywords
Wetland
Remote sensing
Dynamic monitoring
Change mechanism
Hexi corridor
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Issue Date: 02 August 2011
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1 舒宁.雷达遥感原理.北京:测绘出版社,19972 孙家柄,舒宁,关泽群.遥感原理、方法和应用.北京:测绘出版社,19973 贾永红,李德仁.SAR与TM影像的IHS变换复合及质量定里评价.国土资源遥感,1997,(3):36~374 宁书年,吕松堂.杨小勤等.遥感图像处理与应用.北京:地展出版社,1995, 95~1075 万发贯.柳健.文顺.遥感图像数字处理.武汉:华中理工大学出版社,1991,126~127 |
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