Efficient multitemporal change detection techniques for hyperspectral images on GPU
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http://hdl.handle.net/10347/17281
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Título: | Efficient multitemporal change detection techniques for hyperspectral images on GPU |
Autor/a: | López Fandiño, Javier |
Dirección/Titoría: | Blanco Heras, Dora Argüello Pedreira, Francisco Santiago |
Centro/Departamento: | Universidade de Santiago de Compostela. Centro Internacional de Estudos de Doutoramento e Avanzados (CIEDUS) Universidade de Santiago de Compostela. Escola de Doutoramento Internacional en Ciencias e Tecnoloxía Universidade de Santiago de Compostela. Programa de Doutoramento en Investigación en Tecnoloxías da Información |
Palabras chave: | Change detection | Remote sensing | Hyperspectral imaging | Graphics processing unit | |
Data: | 2018 |
Resumo: | Hyperspectral images contain hundreds of reflectance values for each pixel. Detecting regions of change in multiple hyperspectral images of the same scene taken at different times is of widespread interest for a large number of applications. For remote sensing, in particular, a very common application is land-cover analysis. The high dimensionality of the hyperspectral images makes the development of computationally efficient processing schemes critical. This thesis focuses on the development of change detection approaches at object level, based on supervised direct multidate classification, for hyperspectral datasets. The proposed approaches improve the accuracy of current state of the art algorithms and their projection onto Graphics Processing Units (GPUs) allows their execution in real-time scenarios. |
URI: | http://hdl.handle.net/10347/17281 |
Dereitos: | Attribution-NonCommercial-NoDerivatives 4.0 Internacional |
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