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LATIN
2010
Springer
13 years 12 months ago
Lightweight Data Indexing and Compression in External Memory
In this paper we describe algorithms for computing the BWT and for building (compressed) indexes in external memory. The innovative feature of our algorithms is that they are light...
Paolo Ferragina, Travis Gagie, Giovanni Manzini
HVEI
2010
13 years 11 months ago
Efficient motion weighted spatio-temporal video SSIM index
Recently, Seshadrinathan and Bovik proposed the Motion-based Video Integrity Evaluation (MOVIE) index for VQA.1,2 MOVIE utilized a multi-scale spatio-temporal Gabor filter bank to...
Anush K. Moorthy, Alan C. Bovik
GIS
2006
ACM
13 years 10 months ago
Qualitative polyline similarity testing with applications to query-by-sketch, indexing and classification
We present an algorithm for polyline (and polygon) similarity testing that is based on the double-cross formalism. To determine the degree of similarity between two polylines, the...
Bart Kuijpers, Bart Moelans, Nico Van de Weghe
ICDE
2009
IEEE
186views Database» more  ICDE 2009»
14 years 11 months ago
A Benchmark for Online Index Selection
Online approaches to physical design tuning have received considerable attention in the recent literature, with a focus on the problem of online index selection. However, it is dif...
Karl Schnaitter, Neoklis Polyzotis
CIVR
2004
Springer
166views Image Analysis» more  CIVR 2004»
14 years 3 months ago
Object Segmentation and Ontologies for MPEG-2 Video Indexing and Retrieval
Abstract. A novel approach to object-based video indexing and retrieval is presented, employing an object segmentation algorithm for the real-time, unsupervised segmentation of com...
Vasileios Mezaris, Michael G. Strintzis