REDUCING THE EFFECTS OF SPACE-VARYING WAVELENGTH-DEPENDENT SCATTERING IN MULTISPECTRAL IMAGERY - Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Futur
نویسنده
چکیده
A new method for reducing space-varying, wavelength-dependent scattering in multispectral imagery caused by smoke and haze is described. It is intended for use in situations where atmospheric scattering affects the shorter wavelengths and varies in space. The method converts an image in which space-varying scattering is present into an image where the scattering has been equalized over the entire image so that previously developed techniques for removing constant scattering effects can be used.
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Detail-Preserving Segmentation of Polarimetric SAR Imagery - Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Futur
Polarimetric SAR data help researchers understand and quantify the scattering properties of natural scenes, and their variability under different conditions, better than single polarization SAR data. In this paper, we propose two detailpreserving segmentation algorithms for multiband images and evaluate their performance using real multi-frequency multipolarization SAR complex data. Adaptive ne...
متن کاملLABORATORY STUDY OF THE FINE STRUCTURE OF BREAKING WAVES FOR SCATTEROMETRY APPLICATIONS - Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Futur
Laboratory measurements of the fine space-time structure of short gravity-capillary waves, as well as Ku-band scattering at grazing and moderate incidence from spilling and plunging breaking waves in a wave channel are presented. Unsteady breaking waves are generated by focusing the waves in space and time. A scanning laser slope gauge was used for measuring short waves of wavelength 0.2-20cm, ...
متن کاملEdge Detection in Speckled SAR Images Using the Continuous Wavelet Transform - Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Futur
This study presents an original method to detect edges in Synthetic Aperture Radar images corrupted by speckle. We show that the Continuous Wavelet Transform (CWT) allows to accurately detect edges embedded in speckle. Edges give rise to a conic signature in the CWT. Furthermore, the Signal t o Noise Ratio (SNR) increases with the scale of the CWT. The optimal wavelet maximizing the SNR is deri...
متن کاملEstimation of the Ocean/Atmosphere Eloundary Layer Height of Water Vapor from Space - Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Futur
A new retrieval technique has been developed which resolves some of the vertical structure of lower tropospheric water vapor over Oceans from space. 'The relationship is demonstrated by comparisons between direct measurements of the water vapor profile, by radiosondes, and coincident estimates of the horizontal turbulence structure of Integrated Water Vapor, wing the TOPEX Microwave Radiometer ...
متن کاملRemote Sensing and Land Use Extraction for Kernel Functions Analysis by Support Vector Machines with ASTER Multispectral Imagery
Land use is being considered as an element in determining land change studies, environmental planning and natural resource applications. The Earth’s surface Study by remote sensing has many benefits such as, continuous acquisition of data, broad regional coverage, cost effective data, map accurate data, and large archives of historical data. To study land use / cover, remote sensing as an effic...
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