Knowledge - Based Enhancement of Low Spatial Resolution Images
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- LI Xiao-Zheng
- the Division of Systems and Information Engineering, Graduate School of Engineering, Hokkaido University
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- KUDO Mineichi
- the Division of Systems and Information Engineering, Graduate School of Engineering, Hokkaido University
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- TOYAMA Jun
- the Division of Systems and Information Engineering, Graduate School of Engineering, Hokkaido University
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- SHIMBO Masaru
- the Division of Systems and Information Engineering, Graduate School of Engineering, Hokkaido University
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抄録
Many image-processing techniques are based on texture features or gradation features of the image. However, Landsat images are complex; they also include physical features of reflection radiation and heat radiation from land cover. In this paper, we describe a method of constructing a super-resolution image of Band 6 of the Landsat TM sensor, oriented to analysis of an agricultural area, by combining information(texture features, gradation features, physical features)from other bands. In this method, a knowledge-based hierarchical classifier is first used to identify land cover in each pixel and then the least-squares approach is applied to estimate the mean temperature of each type of land cover. By reassigning the mean temperature to each pixel, a finer spatial resolution is obtained in Band 6. Computational results show the efficiency of this method.
収録刊行物
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- IEICE transactions on information and systems
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IEICE transactions on information and systems 81 (5), 457-463, 1998-05-25
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詳細情報 詳細情報について
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- CRID
- 1572824502217611008
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- NII論文ID
- 110003209985
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- NII書誌ID
- AA10826272
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- ISSN
- 09168532
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles