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GMP
2002
IEEE
103views Solid Modeling» more  GMP 2002»
15 years 2 months ago
Slicing and Contours Generation for Fabricating Heterogeneous Objects
A contour sub-division algorithm on each layer arising from slicing a heterogeneous object is proposed. Within each slice, the material grading is decomposed into subcontours acco...
Y. K. Siu, S. T. Tan
ACS
2007
14 years 10 months ago
Yoneda Structures from 2-toposes
A 2-categorical generalisation of the notion of elementary topos is provided, and some of the properties of the yoneda structure [SW78] it generates are explored. Results enabling ...
Mark Weber
MM
2006
ACM
221views Multimedia» more  MM 2006»
15 years 3 months ago
Video object segmentation by motion-based sequential feature clustering
Segmentation of video foreground objects from background has many important applications, such as human computer interaction, video compression, multimedia content editing and man...
Mei Han, Wei Xu, Yihong Gong
INFOCOM
2009
IEEE
15 years 4 months ago
Cross-Layer Survivability in WDM-Based Networks
—In layered networks, a single failure at a lower layer may cause multiple failures in the upper layers. As a result, traditional schemes that protect against single failures may...
Kyunghan Lee, Eytan Modiano
CIKM
1998
Springer
15 years 2 months ago
Layered Index Structures in Document Database Systems
In this paper, a signature file method for indexing document database systems is presented. For this purpose, the concept of presentative word hierarchy is introduced, based on whi...
Yangjun Chen, Karl Aberer