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116
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IPL
2010
71views more  IPL 2010»
15 years 1 months ago
New common ancestor problems in trees and directed acyclic graphs
We derive a new generalization of lowest common ancestors (LCAs) in dags, called the lowest single common ancestor (LSCA). We show how to preprocess a static dag in linear time su...
Johannes Fischer, Daniel H. Huson
127
Voted
ICIP
2002
IEEE
16 years 4 months ago
Fast text/graphics resolution improvement using wavelet based denoising and chain-code table lookup
We propose a fast text/graphics resolution improvement algorithm with boundary parameterization and wavelet based denoising. Given input images containing labeled text/graphics ob...
Onur G. Guleryuz, Anoop Bhattacharjya
127
Voted
MMM
2005
Springer
146views Multimedia» more  MMM 2005»
15 years 8 months ago
Retrieval of News Video Using Video Sequence Matching
In this paper, we propose a new algorithm to find video clips with different temporal durations and some spatial variations. We adopt a longest common subsequence (LCS) matching t...
Young-tae Kim, Tat-Seng Chua
JCB
2000
91views more  JCB 2000»
15 years 2 months ago
Scaling Laws and Similarity Detection in Sequence Alignment with Gaps
We study the problem of similarity detection by sequence alignment with gaps, using a recently established theoretical framework based on the morphology of alignment paths. Alignm...
Dirk Drasdo, Terence Hwa, Michael Lässig
109
Voted
ACL
2006
15 years 4 months ago
A Bio-Inspired Approach for Multi-Word Expression Extraction
This paper proposes a new approach for Multi-word Expression (MWE)extraction on the motivation of gene sequence alignment because textual sequence is similar to gene sequence in p...
Jianyong Duan, Ruzhan Lu, Weilin Wu, Yi Hu, Yan Ti...