نتایج جستجو برای: landsat images

تعداد نتایج: 268322  

2001
Steve De Backer Paul Scheunders

In this paper, a new multispectral image wavelet representation is introduced, based on multiscale fundamental forms. This representation describes gradient information of multispectral images in a multiresolution framework. The representation is in particular extremely suited for the fusion and merging of multispectral images. For fusion as well as for merging, a strategy is described. Experim...

Journal: :Remote Sensing 2017
Jie Xue Yee Leung Tung Fung

Remote sensing provides rich sources of data for the monitoring of land surface dynamics. However, single-sensor systems are constrained from providing spatially high-resolution images with high revisit frequency due to the inherent sensor design limitation. To obtain images high in both spatial and temporal resolutions, a number of image fusion algorithms, such as spatial and temporal adaptive...

2001
Paul Scheunders Steve De Backer

In this paper, a new multispectral image wavelet representation is introduced, based on multiscale fundamental forms. This representation describes gradient information of multispectral images in a multiresolution framework. The representation is in particular extremely suited for the fusion and merging of multispectral images. For fusion as well as for merging, a strategy is described. Experim...

Journal: :international journal of agricultural management and development 0
khadijeh abolfathi m.sc. student in assessment and land use planning, natural resources and environmental engineering department, faculty of agricultural science, payame noor university (pnu), tehran, iran marzieh alikhah-asl assistant professor, natural resources and environmental engineering, faculty of agricultural science, payame noor university (pnu), tehran, iran mohammad rezvani assistant professor, natural resources and environmental engineering, faculty of agricultural science, payame noor university (pnu), tehran, iran mohammad namdar forest, rangeland and watershed management organization, tehran, iran

the growing population and increasing socio-economic necessities creates a pressure on land use/land cover. nowadays, land use change detection using remote sensing data provides quantitative and timely information for management and evaluation of natural resources. this study investigates the land use changes in part of hableh rood watershed of iran using landsat 7 and 8 (sensor etm+ and oli) ...

2006
Darrel L. Williams Samuel Goward

Landsat, first placed in orbit in 1972, established the U.S. as the world leader in land remote sensing. The Landsat system has contributed significantly to the understanding of the Earth’s environment, spawned revolutionary uses of spacebased data by the commercial value-added industry, and encouraged a new generation of commercial satellites that provide regional, high-resolution spatial imag...

2005
Thierry Toutin

This research study showed the potential of block bundle adjustment with nadir viewing sensor images, such as Landsat 7 ETM . The method is based on the 3D analytical geometric model developed for multisensor images at the Canada Centre for Remote Sensing, Natural Resources Canada. Different block sizes and configurations were tested and compared using an image bundle adjustment. The different ...

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