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RECOMB
1997
Springer
15 years 5 months ago
A more efficient approximation scheme for tree alignment
We present a new polynomial time approximation scheme (PTAS) for tree alignment, which is an important variant of multiple sequence alignment. As in the existing PTASs in the liter...
Lusheng Wang, Tao Jiang, Dan Gusfield
SSD
2001
Springer
122views Database» more  SSD 2001»
15 years 5 months ago
Calendars, Time Granularities, and Automata
The notion of time granularity comes into play in a variety of problems involving time representation and management in database applications, including temporal database design, t...
Ugo Dal Lago, Angelo Montanari
FORMATS
2005
Springer
15 years 6 months ago
Quantifying Similarities Between Timed Systems
We define quantitative similarity functions between timed transition systems that measure the degree of closeness of two systems as a real, in contrast to the traditional boolean ...
Thomas A. Henzinger, Rupak Majumdar, Vinayak S. Pr...
CVPR
2004
IEEE
16 years 3 months ago
Frame Synchronization and Multi-Level Subspace Analysis for Video Based Face Recognition
In this paper, we develop a new video-to-video face recognition algorithm. The major advantage of the video based method is that more information is available in a video sequence ...
Xiaoou Tang, Zhifeng Li
ICIAR
2007
Springer
15 years 7 months ago
Color-Based Road Sign Detection and Tracking
This paper describes a general framework for the detection and tracking of traffic and road signs from image sequences using only color information. The approach consists of two in...
Luis David Lopez, Olac Fuentes