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COMPGEOM
2006
ACM
16 years 18 days ago
Vines and vineyards by updating persistence in linear time
Persistent homology is the mathematical core of recent work on shape, including reconstruction, recognition, and matching. Its pertinent information is encapsulated by a pairing o...
David Cohen-Steiner, Herbert Edelsbrunner, Dmitriy...
JCDL
2006
ACM
99views Education» more  JCDL 2006»
16 years 17 days ago
Using resources across educational digital libraries
This article reports on analyses of usage and design activities by users of the Instructional Architect (IA), an end-user authoring tool designed to support easy access to and use...
Mimi Recker, Bart Palmer
MIR
2006
ACM
178views Multimedia» more  MIR 2006»
16 years 17 days ago
Dual diffusion model of spreading activation for content-based image retrieval
This paper introduces a content-based information retrieval method inspired by the ideas of spreading activation models. In response to a given query, the proposed approach comput...
Serhiy Kosinov, Stéphane Marchand-Maillet, ...
MMSEC
2006
ACM
148views Multimedia» more  MMSEC 2006»
16 years 17 days ago
Minimizing the embedding impact in steganography
In this paper, we study the trade-off in steganography between the number of embedding changes and their amplitude. We assume that each element of the cover image is assigned a sc...
Jessica J. Fridrich
WIKIS
2006
ACM
16 years 17 days ago
Wikis of locality: insights from the open guides
In this paper we describe an emerging form of wikis - wikis of locality – that support physical rather than virtual communities. We draw on our experience as administrators of t...
Mark Gaved, Tom Heath, Marc Eisenstadt