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» Global Optimization of Histograms
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79
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ICIP
2000
IEEE
16 years 2 months ago
Hierarchical Histograms - A New Representation Scheme for Image-Based Data Retrieval
This paper proposes a new image representation scheme for database indexing. The application domain is \image-based" indexing as opposed to \content-based" indexing. In ...
Senthil Kumar, Guna Seetharaman
187
Voted
ICDE
2008
IEEE
155views Database» more  ICDE 2008»
16 years 1 months ago
Lattice Histograms: a Resilient Synopsis Structure
Despite the surge of interest in data reduction techniques over the past years, no method has been proposed to date that can always achieve approximation quality preferable to that...
Panagiotis Karras, Nikos Mamoulis
95
Voted
VLDB
2004
ACM
158views Database» more  VLDB 2004»
15 years 5 months ago
REHIST: Relative Error Histogram Construction Algorithms
Histograms and Wavelet synopses provide useful tools in query optimization and approximate query answering. Traditional histogram construction algorithms, such as V-Optimal, optim...
Sudipto Guha, Kyuseok Shim, Jungchul Woo
96
Voted
ICIP
2009
IEEE
16 years 1 months ago
Contrast Enhancement In Dermoscopy Images By Maximizing A Histogram Bimodality Measure
Dermoscopy is one of the major imaging modalities used in the diagnosis of melanoma and other pigmented skin lesions. Due to the difficulty and subjectivity of human interpretatio...
ADC
2003
Springer
94views Database» more  ADC 2003»
15 years 5 months ago
Multi-resolution Algorithms for Building Spatial Histograms
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
Qing Liu, Yidong Yuan, Xuemin Lin