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GIS
2005
ACM
16 years 27 days ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
KDD
2003
ACM
152views Data Mining» more  KDD 2003»
16 years 8 days ago
Interactive exploration of coherent patterns in time-series gene expression data
Discovering coherent gene expression patterns in time-series gene expression data is an important task in bioinformatics research and biomedical applications. In this paper, we pr...
Daxin Jiang, Jian Pei, Aidong Zhang
ICIAP
2007
ACM
15 years 12 months ago
Quality Assessment of Gaussian Blurred Images Using Symmetric Geometric Moments
A novel objective full-reference image quality assessment metric based on symmetric geometric moments (SGM) is proposed. SGM is used to represent the structural information in the...
Chong-Yaw Wee, Paramesran Raveendran, R. Mukundan
MM
2009
ACM
118views Multimedia» more  MM 2009»
15 years 6 months ago
Vocabulary-based hashing for image search
This paper proposes a hash function family based on feature vocabularies and investigates the application in building indexes for image search. Each hash function is associated wi...
Yingyu Liang, Jianmin Li, Bo Zhang
MM
2009
ACM
177views Multimedia» more  MM 2009»
15 years 6 months ago
Transfer non-metric measures into metric for similarity search
Similarity search is widely used in multimedia retrieval systems to find the most similar ones for a given object. Some similarity measures, however, are not metric, leading to e...
Danzhou Liu, Kien A. Hua