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WWW
2008
ACM
14 years 8 months ago
Application of bitmap index to information retrieval
To solve this problem, we devised the HS-bitmap index, which is hierarchically comprised of compressed data of summary bits. A summary bit in an upper matrix is obtained by logical...
Kengo Fujioka, Yukio Uematsu, Makoto Onizuka
ER
2009
Springer
111views Database» more  ER 2009»
14 years 2 months ago
A New Point Access Method Based on Wavelet Trees
Abstract. The development of index structures that allow ecient retrieval of spatial objects has been a topic of interest in the last decades. Most of these structures have been d...
Nieves R. Brisaboa, Miguel Rodríguez Luaces...
CIVR
2004
Springer
166views Image Analysis» more  CIVR 2004»
14 years 1 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
DCC
2004
IEEE
14 years 7 months ago
Fast Near-Lossless or Lossless Compression of Large 3D Neuro-Anatomical Images
3D neuro-anatomical images and other volumetric data sets are important in many scientific and biomedical fields. Since such sets may be extremely large, a scalable compression me...
Rongkai Zhao, Michael Gabriel, Geneva G. Belford
MM
1996
ACM
168views Multimedia» more  MM 1996»
14 years 3 days ago
CVEPS - A Compressed Video Editing and Parsing System
Processing digital video directly in the compressed domain has many advantages in terms of storage efficiency, speed, and video quality. We have developed a compressed video editi...
Jianhao Meng, Shih-Fu Chang