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SIGMOD
2001
ACM
200views Database» more  SIGMOD 2001»
14 years 7 months ago
Data Bubbles: Quality Preserving Performance Boosting for Hierarchical Clustering
In this paper, we investigate how to scale hierarchical clustering methods (such as OPTICS) to extremely large databases by utilizing data compression methods (such as BIRCH or ra...
Markus M. Breunig, Hans-Peter Kriegel, Peer Kr&oum...
ICIP
2007
IEEE
14 years 9 months ago
Acquisition and Encoding of High Dynamic Range Images using Inverse Tone Mapping
A two layer coding algorithm for high dynamic range images is discussed. In the first layer, a low dynamic range image is encoded by a conventional codec, and then the residual in...
Takao Jinno, Masahiro Okuda, Nicola Adami
TMI
2010
251views more  TMI 2010»
13 years 2 months ago
3-D Scalable Medical Image Compression With Optimized Volume of Interest Coding
We present a novel 3-D scalable compression method for medical images with optimized volume of interest (VOI) coding. The method is presented within the framework of interactive te...
Victor Sanchez, Rafeef Abugharbieh, Panos Nasiopou...
VLDB
2004
ACM
118views Database» more  VLDB 2004»
14 years 28 days ago
On the performance of bitmap indices for high cardinality attributes
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
ICMCS
2008
IEEE
154views Multimedia» more  ICMCS 2008»
14 years 2 months ago
Using wavpack for real-time audio coding in interactive applications
Highly interactive real-time music applications like network music performance (NMP) currently lack appropriate audio codecs that meet both demands for low delay and high audio qu...
Zefir Kurtisi, Lars C. Wolf