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IGARSS
2010
13 years 2 months ago
Evaluation of satellite image segmentation using synthetic images
The segmentation stage is a key aspect of an object-based image analysis system. However, the segmentation quality is usually difficult to evaluate for satellite images. The Synth...
André R. S. Marçal, Arlete Rodrigues...
TIP
2010
146views more  TIP 2010»
13 years 3 months ago
Effective Level Set Image Segmentation With a Kernel Induced Data Term
Abstract—This study investigates level set multiphase image segmentation by kernel mapping and piecewise constant modeling of the image data thereof. A kernel function maps impli...
Mohamed Ben Salah, Amar Mitiche, Ismail Ben Ayed
ICIAR
2005
Springer
13 years 10 months ago
Estimating the Natural Number of Classes on Hierarchically Clustered Multi-spectral Images
Image classification is often used to extract information from multi-spectral satellite images. Unsupervised methods can produce results well adjusted to the data, but that are us...
André R. S. Marçal, Janete S. Borges
ICIP
2009
IEEE
13 years 2 months ago
Multiregion level-set segmentation of synthetic aperture radar images
Due to the presence of speckle, segmentation of SAR images is generally acknowledged as a difficult problem. A large effort has been done in order to cope with the influence of sp...
Michael Ying Yang
CORR
2011
Springer
225views Education» more  CORR 2011»
12 years 12 months ago
Automatic Extraction of Open Space Area from High Resolution Urban Satellite Imagery
In the 21st century, Aerial and satellite images are information rich. They are also complex to analyze. For GIS systems, many features require fast and reliable extraction of ope...
B. G. Kodge, P. S. Hiremath