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SIAMIS
2008
279views more  SIAMIS 2008»
14 years 11 months ago
A New Alternating Minimization Algorithm for Total Variation Image Reconstruction
We propose, analyze and test an alternating minimization algorithm for recovering images from blurry and noisy observations with total variation (TV) regularization. This algorith...
Yilun Wang, Junfeng Yang, Wotao Yin, Yin Zhang
IPPS
2006
IEEE
15 years 5 months ago
MPEG-2 decoding in a stream programming language
Image and video codecs are prevalent in multimedia devices, ranging from embedded systems, to desktop computers, to high-end servers such as HDTV editing consoles. It is not uncom...
M. Drake, Henry Hoffmann, Rodric M. Rabbah, Saman ...
TOG
2012
230views Communications» more  TOG 2012»
13 years 2 months ago
Decoupling algorithms from schedules for easy optimization of image processing pipelines
Using existing programming tools, writing high-performance image processing code requires sacrificing readability, portability, and modularity. We argue that this is a consequenc...
Jonathan Ragan-Kelley, Andrew Adams, Sylvain Paris...
ICLP
2009
Springer
16 years 9 days ago
Preprocessing for Optimization of Probabilistic-Logic Models for Sequence Analysis
Abstract. A class of probabilistic-logic models is considered, which increases the expressibility from HMM's and SCFG's regular and contextfree languages to, in principle...
Henning Christiansen, Ole Torp Lassen
EDBT
2009
ACM
170views Database» more  EDBT 2009»
15 years 3 months ago
Efficient constraint evaluation in categorical sequential pattern mining for trajectory databases
The classic Generalized Sequential Patterns (GSP) algorithm returns all frequent sequences present in a database. However, usually a few ones are interesting from a user's po...
Leticia I. Gómez, Alejandro A. Vaisman