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ON THE ESTIMATION OF POLARIMETRIC PARAMETERS FOR OIL SLICK FEATURE DETECTION FROM HYBRID POL AND DERIVED PSEUDO QUAD POL SAR DATA
SAR RISAT-1 CTLR pseudo-quad pol correlation coefficient sigma naught
2019/2/28
Oil spills in oceans have a significant long term effect on the marine ecosystem and are of prime concern for maritime economy. In order to locate and estimate the oil spread area and for quantitative...
PURIFICATION OF TRAINING SAMPLES BASED ON SPECTRAL FEATURE AND SUPERPIXEL SEGMENTATION
Beijing-2 Satellite imagery Training Samples Purification Spectral Feature Superpixel Segmentation
2018/5/14
Remote sensing image classification is an effective way to extract information from large volumes of high-spatial resolution remote sensing images. Generally, supervised image classification relies on...
FEATURE MATCHING OF HISTORICAL IMAGES BASED ON GEOMETRY OF QUADRILATERALS
historical images image orientation feature matching descriptor matching quadrilaterals geometry
2018/6/4
This contribution shows an approach to match historical images from the photo library of the Saxon State and University Library Dresden (SLUB) in the context of a historical three-dimensional city mod...
2D-3D feature extraction and registration of real world scenes
Cultural Heritage Photogrammetry Laser Scanner Segmentation Registration Texture Mapping
2015/8/24
In this paper we present an efficient edge detection algorithm for the extraction of linear features in both range and intensity image data. The purpose is to simplify the dense datasets and to provid...
Performance of parameter-domain and spatial-domain pole-like feature segmentation using single and multiple terrestrial laser scans
Terrestrial Laser Scanning Segmentation Registration Parameter-domain Spatial-domain
2014/7/30
Terrestrial laser scanning (TLS) systems have been established as a leading tool for the acquisition of high density three-dimensional point clouds from physical objects. The collected point clouds by...
Sold-out SPIE Photonics West exhibition to feature product launches, industry-leader panels, demos, and more（图）
SPIE Photonics lasers sensors optical materials medicine imaging manufacturing
2011/4/22
The latest innovations in lasers, sensors, and optical materials and systems for research, medicine, imaging, and manufacturing will be shown at the largest-ever SPIE Photonics West exhibition in Mosc...
X-ray carpal-bone image boundary feature analysis using region statistical feature based level set method for skeletal age assessment application
carpal-bone radiograph skeletal age (estimation) anisotropic diffusion filter
2011/4/26
Skeletal age assessment is one of the important applications of hand radiography in the area of pediatric radiology. Feature analysis of the carpal-bones can reveal the important information for skele...