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CICLING
2010
Springer
15 years 2 months ago
A Maximum Entropy Approach to Syntactic Translation Rule Filtering
In this paper we will present a maximum entropy filter for the translation rules of a statistical machine translation system based on tree transducers. This filter can be success...
Marcin Junczys-Dowmunt
WBIR
2010
SPRINGER
14 years 8 months ago
Normalized Measures of Mutual Information with General Definitions of Entropy for Multimodal Image Registration
Abstract. Mutual information (MI) was introduced for use in multimodal image registration over a decade ago [1,2,3,4]. The MI between two images is based on their marginal and join...
Nathan D. Cahill
110
Voted
PCM
2005
Springer
122views Multimedia» more  PCM 2005»
15 years 3 months ago
High Efficient Context-Based Variable Length Coding with Parallel Orientation
Abstract. Entropy coding is one of the most important techniques in video codec. Two main criteria to assess an entropy coder are coding efficiency and friendly realization charact...
Qiang Wang, Debin Zhao, Wen Gao, Siwei Ma
CTRSA
2007
Springer
110views Cryptology» more  CTRSA 2007»
15 years 4 months ago
Selecting Secure Passwords
We mathematically explore a model for the shortness and security for passwords that are stored in hashed form. The model is implicitly in the NIST publication [8] and is based on c...
Eric R. Verheul
TIT
2010
107views Education» more  TIT 2010»
14 years 4 months ago
Information inequalities for joint distributions, with interpretations and applications
Upper and lower bounds are obtained for the joint entropy of a collection of random variables in terms of an arbitrary collection of subset joint entropies. These inequalities gene...
Mokshay M. Madiman, Prasad Tetali