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Akademický článek
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Akademický článek
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Publikováno v:
Canadian Journal of Remote Sensing. 33:226-236
Partial differential equations (PDEs) filtering methods provide regularization of an image through successive iterations, where pixel values are gradually diffused in accordance with a local diffusion tensor field. The local diffusion tensor field de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c355ce2465237e37108344927d2c1d2d
https://doi.org/10.5589/m07-023
https://doi.org/10.5589/m07-023
Publikováno v:
IGARSS
Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Ratio filters for speckle noise reduction in SAR imagery are recursive filters where the image structure is iteratively recovered from an initial oversmoothed image. We show that the MBPolSAR filter could be interepreted as a ratio filter applied to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7b371df5967d092662813a507bfaecd
https://doi.org/10.1109/igarss.2010.5648901
https://doi.org/10.1109/igarss.2010.5648901
Publikováno v:
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
IGARSS (4)
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
IGARSS (4)
A new approach for speckle reduction in polarimetric synthetic aperture radar (PolSAR) images based on the turbo iterative principle is proposed. The turbo iterative algorithm shows high performances due to the propagation of the information between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12c6988feb212cecee25e3871db6b17a
https://hdl.handle.net/2117/10979
https://hdl.handle.net/2117/10979
Publikováno v:
IGARSS
The precise estimation of the eigenvalues of PolSAR reponses is essential in the derivation of Target Decomposition parameters such as the Cloude-Pottier parameters (Entropy, Anisotropy and average angle Alpha). However, sample eigenvalues are strong
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c27e997c96b93ed74e11c662ddb2eae6
https://doi.org/10.1109/igarss.2007.4423281
https://doi.org/10.1109/igarss.2007.4423281
Publikováno v:
IGARSS
This paper elucidates a new approach for speckle reduction in polarimetric synthetic aperture radar ("PolSAR") images based on the stationary wavelet transform. Noisy wavelet coefficients are thresholded using an entropic thresholding technique. Prin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::594a3d2d3b003f927b032525d9d4616c
https://doi.org/10.1109/igarss.2007.4423389
https://doi.org/10.1109/igarss.2007.4423389
Publikováno v:
IGARSS
Partial Differential Equations (PDE) filtering methods provide regularization of an image through successive iterations, where pixel values are gradually diffused in accordance with a local diffusion tensor field. The local diffusion tensor field det
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed0a5220f7e0d381469430489f741418
https://doi.org/10.1109/igarss.2006.658
https://doi.org/10.1109/igarss.2006.658
Publikováno v:
IGARSS
The objective of this paper is to compare the most widely used and the most recent speckle polarimetric synthetic aperture radar (PolSAR) filters. Two new conceptual approaches in PolSAR filtering are evaluated on simulated PolSAR images. The criteri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bca0e12897c0c05c346e35d0467fa9c0
https://doi.org/10.1109/igarss.2006.455
https://doi.org/10.1109/igarss.2006.455
Publikováno v:
2006 IEEE International Symposium on Geoscience and Remote Sensing.
The objective of this paper is to asess the potential of the Stationary Contourlet Transform (SCT) in relation to the issue of speckle removal in SAR intensity images. The contourlet transform can be seen as a filter bank implementation of the curvel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91da0c319239dd230cb3abcf4473a2a0
https://doi.org/10.1109/igarss.2006.1031
https://doi.org/10.1109/igarss.2006.1031