CGVR
2006
13 years 6 months ago
2006
We present Penumbra Limit Maps, a technique for rendering soft shadows from a modified shadow map. The shadow representation used by our method has excellent interpolation propert...
ICRA
2009
IEEE
13 years 11 months ago
2009
IEEE
—This paper presents a new method for extracting object edges from range images obtained by a 3D range imaging sensor⎯the SwissRanger SR-3000. In range image preprocessing stag...
ICPR
2004
IEEE
14 years 5 months ago
2004
IEEE
A normalized, power-weighted averaging filter (NPF) is a very good approximation to the well-know local maximum and minimum filters along the object edges and offers noise reducti...
ICIP
2007
IEEE
14 years 6 months ago
2007
IEEE
We show that using a nonconvex penalty term to regularize image reconstruction can substantially improve the preservation of object shapes. The commonly-used total-variation regul...