808 search results - page 23 / 162 » Consistent digital rays |
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Nonnegative matrix factorization (NMF) is a widely-used tool for obtaining low-rank approximations of nonnegative data such as digital images, audio signals, textual data, financ...
KBS
2007
13 years 7 months ago
2007
The main intent of this paper is to address the issue of middleware in network centric operations. To this end, we characterize a set of Information Technology capabilities that s...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
Because digital images can be modified with relative ease, considerable effort has been spent developing image forensic algorithms capable of tracing an image's processing hi...
ICDAR
2009
IEEE
14 years 2 months ago
2009
IEEE
We present a spatially variant framework for correcting uneven illumination and color cast, problems commonly associated with digitized books. The core of our method is a color im...
ISCAS
2003
IEEE
14 years 20 days ago
2003
IEEE
Many existing results on the analysis of OFDM systems are based on an analog representation. The actual implementation of OFDM transmitters typically consists of a discrete DFT ma...