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FOCS
2008
IEEE
14 years 2 months ago
Linear Level Lasserre Lower Bounds for Certain k-CSPs
We show that for k ≥ 3 even the Ω(n) level of the Lasserre hierarchy cannot disprove a random k-CSP instance over any predicate type implied by k-XOR constraints, for example ...
Grant Schoenebeck
MDAFA
2004
Springer
124views Hardware» more  MDAFA 2004»
14 years 1 months ago
MISTRAL: A Language for Model Transformations in the MOF Meta-modeling Architecture
In the Meta Object Facility (MOF) meta-modeling architecture a number of model transformation scenarios can be identified. It could be expected that a meta-modeling architecture wi...
Ivan Kurtev, Klaas van den Berg
SSPR
2004
Springer
14 years 1 months ago
Adaptive Context for a Discrete Universal Denoiser
Abstract. Statistical analysis of spatially uniform signal contexts allows Discrete Universal Denoiser (DUDE) to effectively correct signal errors caused by a discrete symmetric me...
Georgy L. Gimel'farb
PCM
2001
Springer
183views Multimedia» more  PCM 2001»
14 years 4 days ago
An Adaptive Index Structure for High-Dimensional Similarity Search
A practical method for creating a high dimensional index structure that adapts to the data distribution and scales well with the database size, is presented. Typical media descrip...
Peng Wu, B. S. Manjunath, Shivkumar Chandrasekaran
VVS
2000
IEEE
130views Visualization» more  VVS 2000»
14 years 3 days ago
A practical evaluation of popular volume rendering algorithms
This paper evaluates and compares four volume rendering algorithms that have become rather popular for rendering datasets described on uniform rectilinear grids: raycasting, splat...
Michael Meißner, Jian Huang, Dirk Bartz, Kla...