181 search results - page 30 / 37 » POCS-Based Image Reconstruction from Irregularly-Spaced Samp... |
RT
1998
Springer
13 years 11 months ago
1998
Springer
We describe an interactive system to reconstruct 3D geometry and extract textures from a set of photographs taken with arbitrary camera parameters. The basic idea is to let the use...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
PG
1997
IEEE
13 years 11 months ago
1997
IEEE
In this paper, we present a new scheme of data representation for image-based objects. It allows the illumination to be changed interactively without knowing any geometrical infor...
CGF
2010
13 years 7 months ago
2010
The problem of noise in Monte-Carlo rendering arising from estimator variance is well-known and well-studied. In this work, we concentrate on identifying individual light paths as...
Publication
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...