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A New Spatio-Spectral Morphological Segmentation For Multi-Spectral Remote-Sensing Images

Abstract : A general framework of spatio-spectral segmentation for multi-spectral images is introduced in this paper. The method is based on classification-driven stochastic watershed (WS) by Monte Carlo simulations, and it gives more regular and reliable contours than standard WS. The present approach is decomposed into several sequential steps. First, a dimensionality-reduction stage is performed using the factor-correspondence analysis method. In this context, a new way to select the factor axes (eigenvectors) according to their spatial information is introduced. Then, a spectral classification produces a spectral pre-segmentation of the image. Subsequently, a probability density function (pdf) of contours containing spatial and spectral information is estimated by simulation using a stochastic WS approach driven by the spectral classification. The pdf of the contours is finally segmented by a WS controlled by markers from a regularization of the initial classification.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00836063
Contributor : Guillaume Noyel <>
Submitted on : Tuesday, February 9, 2016 - 4:07:19 PM
Last modification on : Friday, September 24, 2021 - 4:26:02 PM
Long-term archiving on: : Saturday, November 12, 2016 - 1:40:03 PM

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Guillaume Noyel, Jesus Angulo, Dominique Jeulin. A New Spatio-Spectral Morphological Segmentation For Multi-Spectral Remote-Sensing Images. International Journal of Remote Sensing, Taylor & Francis, 2010, 31 (22), pp.5895-5920. ⟨10.1080/01431161.2010.512314⟩. ⟨hal-00836063⟩

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