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EDBT
2009
ACM
131views Database» more  EDBT 2009»
14 years 10 days ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner
TCSV
2008
130views more  TCSV 2008»
13 years 9 months ago
Fast H.264/MPEG-4 AVC Transcoding Using Power-Spectrum Based Rate-Distortion Optimization
Since variable block-size motion compensation (MC) and rate-distortion optimization (RDO) techniques are adopted in H.264/MPEG-4 AVC, modes and motion vectors (MVs) in input stream...
Huifeng Shen, Xiaoyan Sun, Feng Wu
ICUMT
2009
13 years 6 months ago
A Bayesian analysis of Compressive Sensing data recovery in Wireless Sensor Networks
Abstract--In this paper we address the task of accurately reconstructing a distributed signal through the collection of a small number of samples at a data gathering point using Co...
Riccardo Masiero, Giorgio Quer, Michele Rossi, Mic...
DATE
2008
IEEE
115views Hardware» more  DATE 2008»
14 years 3 months ago
Improving the Efficiency of Run Time Reconfigurable Devices by Configuration Locking
Run-time reconfigurable logic is a very attractive alterative in the design of SoC. However, configuration overhead can largely decrease the system performance. In this work, we p...
Yang Qu, Juha-Pekka Soininen, Jari Nurmi
MOBIDE
2010
ACM
13 years 9 months ago
Using data mining to handle missing data in multi-hop sensor network applications
A sensor's data loss or corruption, aka sensor data missing, is a common phenomenon in modern wireless sensor networks. It is more severe for multi-hop sensor network (MSN) a...
Le Gruenwald, Hanqing Yang, Md. Shiblee Sadik, Rah...