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MIRAGE
2007
Springer
13 years 11 months ago
Segmentation of Soft Shadows Based on a Daylight- and Penumbra Model
Abstract. This paper introduces a new concept within shadow segmentation for usage in shadow removal and augmentation through construction of an alpha overlay shadow model. Previou...
Michael Nielsen, Claus B. Madsen
SCIA
2007
Springer
153views Image Analysis» more  SCIA 2007»
13 years 11 months ago
Graph Cut Based Segmentation of Soft Shadows for Seamless Removal and Augmentation
Abstract. This paper introduces a new concept within shadow segmentation for usage in shadow removal and augmentation through construction of a multiplicity alpha overlay shadow mo...
Michael Nielsen, Claus B. Madsen
CGF
2006
126views more  CGF 2006»
13 years 4 months ago
Soft Shadow Maps: Efficient Sampling of Light Source Visibility
Shadows, particularly soft shadows, play an important role in the visual perception of a scene by providing visual cues about the shape and position of objects. Several recent alg...
Lionel Atty, Nicolas Holzschuch, Marc Lapierre, Je...
ICCV
2009
IEEE
3166views Computer Vision» more  ICCV 2009»
14 years 8 months ago
Detection and Removal of Chromatic Moving Shadows in Surveillance Scenarios
Segmentation in the surveillance domain has to deal with shadows to avoid distortions when detecting moving objects. Most segmentation approaches dealing with shadow detection are ...
Ivan Huerta, Michael Holte, Thomas Moeslund, and J...