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Three RADARSAT-2 synthetic aperture radar (SAR) images in dual-polarization mode were acquired successively over Typhoon Soudelor in early August, 2015. In this work, the center locations of the typhoon were determined from SAR images using an automatic eye detection method. The derived typhoon centers are very close to that from the tropical cyclone Best Track dataset, which allows the study of the...
In this work, an automatic method is proposed to determine the center of tropical cyclones (TCs) from a series of RADARSAT-1 synthetic aperture radar (SAR) images, which captured TCs over the Atlantic, the Pacific and the Indian Ocean during the years from 2001 to 2007. The TC centers determined by the method are compared to the TC best track (BT) datasets provided by National Hurricane Center (NHC)...
This paper presents a detailed analysis of a simplified Two-Scale Model for ocean surface polarimetric microwave emission, and investigates the extent to which varying ocean surface length scales contribute to brightness temperature zeroth and second azimuth harmonics. The Two-Scale Model can be expressed as a weighting function M0,2 multiply ocean surface curvature spectrum C0,2. This implies a simple...
One way of geocoding a remote sensing image is to register it to an existing orthoimage. A multi-sensor and multi-resolution remote sensing image sub-pixel registration scheme is proposed in this paper. In this registration scheme, point feature, three image matching algorithms (ICM, PRM, ISM) and three constraints (APC, CDM, ICC) are used. They guarantee that the precision of point matching reaches...
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