Sciweavers

1390 search results - page 140 / 278
» Computing the depth of a flat
Sort
View
ACCV
2007
Springer
15 years 4 months ago
Detecting and Segmenting Un-occluded Items by Actively Casting Shadows
We present a simple and practical approach for segmenting un-occluded items in a scene by actively casting shadows. By ’items’, we refer to objects (or part of objects) enclose...
Tze Ki Koh, Amit K. Agrawal, Ramesh Raskar, Steve ...
NPAR
2006
ACM
15 years 4 months ago
Real-time rendering of cartoon smoke and clouds
We describe an algorithm for rendering animated smoke particle systems in a cartoon style. This style includes outlines and celshading. For efficient self-shadowing effects, we in...
Morgan McGuire, Andi Fein
ICCV
2005
IEEE
15 years 3 months ago
Uncalibrated Perspective Reconstruction of Deformable Structures
Reconstruction of 3D structures from uncalibrated image sequences has a wealthy history. Most work has been focused on rigid objects or static scenes. This paper studies the probl...
Jing Xiao, Takeo Kanade
ECCV
2010
Springer
15 years 3 months ago
Programmable Aperture Camera Using LCoS
Since 1960s, aperture patterns have been studied extensively and a variety of coded apertures have been proposed for various applications, including extended depth of field, defocu...
Hajime Nagahara, Changyin Zhou, Takuya Watanabe, H...
CVPR
2003
IEEE
15 years 3 months ago
Surface Reconstruction via Helmholtz Reciprocity with a Single Image Pair
This paper brings a novel method for three-dimensional reconstruction of surfaces that takes advantage of the symmetry resulting from alternating the positions of a camera and a l...
Peter H. Tu, Paulo R. S. Mendonça