249 search results - page 48 / 50 » Preserving Topology by a Digitization Process |
Publication
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...
ICPR
2000
IEEE
14 years 6 months ago
2000
IEEE
We propose an algorithm to find piecewise linear skeletons of hand-written characters by using principal curves. The development of the method was inspired by the apparent similar...
GIS
2009
ACM
14 years 6 months ago
2009
ACM
Map-matching is the process of aligning a sequence of observed user positions with the road network on a digital map. It is a fundamental pre-processing step for many applications...
SIGCOMM
2009
ACM
14 years 1 days ago
2009
ACM
The analysis of social and technological networks has attracted a lot of attention as social networking applications and mobile sensing devices have given us a wealth of real data...
MOBICOM
2005
ACM
13 years 11 months ago
2005
ACM
In old times, castles were surrounded by moats (deep trenches filled with water, and even alligators) to thwart or discourage intrusion attempts. One can now replace such barrier...