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MMM
2009
Springer
93views Multimedia» more  MMM 2009»
15 years 8 months ago
SenseCam Image Localisation Using Hierarchical SURF Trees
The SenseCam is a wearable camera that automatically takes photos of the wearer’s activities, generating thousands of images per day. Automatically organising these images for eï...
Ciarán O. Conaire, Michael Blighe, Noel E. ...
ICIP
2006
IEEE
16 years 1 months ago
Tree-Based Orthogonal Matching Pursuit Algorithm for Signal Reconstruction
Recent studies in linear inverse problems have recognized the sparse representation of unknown signal in a certain basis as an useful and effective prior information to solve thos...
Chinh La, Minh N. Do
EDBT
2006
ACM
106views Database» more  EDBT 2006»
15 years 12 months ago
DPTree: A Distributed Pattern Tree Index for Partial-Match Queries in Peer-to-Peer Networks
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
Dyce Jing Zhao, Dik Lun Lee, Qiong Luo
CIAC
2006
Springer
79views Algorithms» more  CIAC 2006»
15 years 3 months ago
Matching Subsequences in Trees
Abstract. Given two rooted, labeled trees P and T the tree path subsequence problem is to determine which paths in P are subsequences of which paths in T. Here a path begins at the...
Philip Bille, Inge Li Gørtz
DASFAA
2004
IEEE
138views Database» more  DASFAA 2004»
15 years 3 months ago
Counting Relaxed Twig Matches in a Tree
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...
Dongwon Lee, Divesh Srivastava