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Förbättring av upplösningen i Landsat 7-bilder med hjälp av bildfusion
Linköping University, Department of Electrical Engineering, Computer Vision. Linköping University, The Institute of Technology.
2002 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Improving the spatial resolution of Landsat 7 images by means of image fusion (English)
Abstract [en]

The purpose of this master's thesis is to evaluate whether it is feasible to use the panchromatic band of Landsat 7 in order to improve the spatial resolution of colour images. The images are to be used as texture in visual databases for flight simulators and for this reason it is important that the fusion preserves natural colours.

A number of methods for fusing panchromatic and multispectral images are discussed. Four of them are implemented and evaluated. The result is that standard methods such as HSI substitution are not suitable for this purpose since they do not preserve natural colours. However, if only high frequencies of the panchromatic image are used the resolution can be improved without noticeable colour distortion.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2002. , 34 p.
LiTH-ISY-Ex, 3229
Keyword [en]
Technology, sensorfusion, fjärranalys
Keyword [sv]
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-1148OAI: diva2:17912
Subject / course
Computer Vision Laboratory
Available from: 2002-04-22 Created: 2002-04-22 Last updated: 2012-05-30Bibliographically approved

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