Title
Shape from silhouette in space, time and light domains
Abstract
This paper presents an image segmentation approach for obtaining a set of silhouettes along with the Visual Hull of an object observed from multiple viewpoints. The proposed approach can deal with mostly any type of appearance characteristics such as textured or textureless, shiny or lambertian surface reflectance, opaque or transparent objects. Compared to more classical methods for silhouette extraction from multiple views, for which certain assumptions are made on the object or scene, neither the background nor the object's appearance properties are modeled. The only assumption is the constancy of the unknown background at a given camera viewpoint while the object is under motion. The principal idea of the method is the estimation of the temporal evolution of each pixel over time which leads to the ability to estimate the background likelihood. Furthermore, the object is captured under different lighting conditions in order to cope with shadows. All the information from the space, time and lighting domains is merged based on a MRF framework and the constructed energy function is minimized via graph cuts.
Year
Venue
Keywords
2014
2014 International Conference on Computer Vision Theory and Applications (VISAPP)
Shape From Silhouette,SFS,Multi-view Image Segmentation,Multi-lighting,Visual Hull,VH,Graph Cuts
Field
DocType
Volume
Cut,Space time,Computer vision,Visual hull,Pattern recognition,Computer science,Silhouette,Image segmentation,Opacity,Pixel,Artificial intelligence,Reflectivity
Conference
3
Citations 
PageRank 
References 
1
0.36
12
Authors
2
Name
Order
Citations
PageRank
Maxim Mikhnevich111.03
Denis Laurendeau2803169.72