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IPAS
2007
15 years 7 months ago
Prediction of signs of DCT coefficients in block-based lossy image compression
A practical impossibility of prediction of signs of DCT coefficients is generally accepted. Therefore each coded sign of DCT coefficients occupies usually 1 bit of memory in compr...
Nikolay N. Ponomarenko, Andriy V. Bazhyna, Karen O...
AAAI
2007
15 years 7 months ago
Manifold Denoising as Preprocessing for Finding Natural Representations of Data
A natural representation of data is given by the parameters which generated the data. If the space of parameters is continuous, then we can regard it as a manifold. In practice, w...
Matthias Hein, Markus Maier
ASPLOS
2008
ACM
15 years 7 months ago
Parallelizing security checks on commodity hardware
Speck1 is a system that accelerates powerful security checks on commodity hardware by executing them in parallel on multiple cores. Speck provides an infrastructure that allows se...
Edmund B. Nightingale, Daniel Peek, Peter M. Chen,...
CIA
2008
Springer
15 years 7 months ago
Trust-Based Classifier Combination for Network Anomaly Detection
Abstract. We present a method that improves the results of network intrusion detection by integration of several anomaly detection algorithms through trust and reputation models. O...
Martin Rehák, Michal Pechoucek, Martin Gril...
CHI
2010
ACM
15 years 6 months ago
Facilitating meetings with playful feedback
Effective group meetings are important for the productivity of corporations. Various types of meeting facilitators have been developed over the past couple of years. We present a ...
Ying Zhang, Marshall W. Bern, Juan Liu, Kurt Partr...
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