26 search results - page 4 / 6 » Descent for Discrete (Co)fibrations |
IMR
2003
Springer
15 years 2 months ago
2003
Springer
The quality of numerical simulations of processes that are modeled by partial differential equations strongly depends on the quality of the mesh that is used for their discretiza...
SIAMSC
2008
14 years 9 months ago
2008
We introduce a novel computational method for a Mumford-Shah functional, which decomposes a given image into smooth regions separated by closed curves. Casting this as a shape opti...
SIAMCO
2002
14 years 9 months ago
2002
As shown in [7], optimal control problems with either ODE or PDE dynamics can be solved efficiently using a setting of consistent approximations obtained by numerical discretizati...
ECCV
2008
Springer
15 years 11 months ago
2008
Springer
Abstract. Variational problems, which are commonly used to solve lowlevel vision tasks, are typically minimized via a local, iterative optimization strategy, e.g. gradient descent....
ICIP
2003
IEEE
15 years 11 months ago
2003
IEEE
Multiple description coding (MDC) is an error resilient source coding scheme that creates multiple descriptions of the source with the aim of providing an acceptable reconstructio...