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IWPEC
2009
Springer
14 years 7 months ago
Stable Assignment with Couples: Parameterized Complexity and Local Search
We study the Hospitals/Residents with Couples problem, a variant of the classical Stable Marriage problem. This is the extension of the Hospitals/Residents problem where residents ...
Dániel Marx, Ildikó Schlotter
IWPEC
2009
Springer
14 years 7 months ago
Even Faster Algorithm for Set Splitting!
In the p-Set Splitting problem we are given a universe U, a family F of subsets of U and a positive integer k and the objective is to find a partition of U into W and B such that...
Daniel Lokshtanov, Saket Saurabh
IWPEC
2009
Springer
14 years 7 months ago
What Makes Equitable Connected Partition Easy
We study the Equitable Connected Partition problem, which is the problem of partitioning a graph into a given number of partitions, such that each partition induces a connected sub...
Rosa Enciso, Michael R. Fellows, Jiong Guo, Iyad A...
IWPEC
2009
Springer
14 years 7 months ago
A Probabilistic Approach to Problems Parameterized above or below Tight Bounds
We introduce a new approach for establishing fixed-parameter tractability of problems parameterized above tight lower bounds or below tight upper bounds. To illustrate the approac...
Gregory Gutin, Eun Jung Kim, Stefan Szeider, Ander...
IWPEC
2009
Springer
14 years 7 months ago
The Parameterized Complexity of Some Geometric Problems in Unbounded Dimension
We study the parameterized complexity of the following fundamental geometric problems with respect to the dimension d: i) Given n points in Rd, compute their minimum enclosing cyl...
Panos Giannopoulos, Christian Knauer, Günter ...
IWCF
2009
Springer
14 years 7 months ago
Multimedia Forensics Is Not Computer Forensics
The recent popularity of research on topics of multimedia forensics justifies reflections on the definition of the field. This paper devises an ontology that structures forensi...
Rainer Böhme, Felix C. Freiling, Thomas Gloe,...
IWCF
2009
Springer
14 years 7 months ago
Using the ENF Criterion for Determining the Time of Recording of Short Digital Audio Recordings
The Electric Network Frequency (ENF) Criterion is a recently developed forensic technique for determining the time of recording of digital audio recordings, by matching the ENF pat...
Maarten Huijbregtse, Zeno Geradts
IWCF
2009
Springer
14 years 7 months ago
Using Sensor Noise to Identify Low Resolution Compressed Videos from YouTube
The Photo Response Non-Uniformity acts as a digital fingerprint that can be used to identify image sensors. This characteristic has been used in previous research to identify sca...
Wiger van Houten, Zeno Geradts
ISVC
2009
Springer
14 years 7 months ago
A Practical Guide to Large Tiled Displays
Abstract. The drive for greater detail in scientific computing and digital photography is creating demand for ultra-resolution images and visualizations. Such images are best view...
Paul A. Navrátil, Brandt M. Westing, Gregor...
ISVC
2009
Springer
14 years 7 months ago
Group Action Recognition Using Space-Time Interest Points
Group action recognition is a challenging task in computer vision due to the large complexity induced by multiple motion patterns. This paper aims at analyzing group actions in vid...
Qingdi Wei, Xiaoqin Zhang, Yu Kong, Weiming Hu, Ha...