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» Hierarchically compressed wavelet synopses
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DCC
2000
IEEE
14 years 29 days ago
SPIHT-NC: Network-Conscious Zerotree Encoding
Wavelet zerotree encoding has been proven to be an efficient way of compressing still images. Two well-known zerotree encoding algorithms, Embedded Zerotree Encoding (EZW) and Se...
Sami Iren, Paul D. Amer
KDD
2007
ACM
153views Data Mining» more  KDD 2007»
14 years 9 months ago
Exploiting duality in summarization with deterministic guarantees
Summarization is an important task in data mining. A major challenge over the past years has been the efficient construction of fixed-space synopses that provide a deterministic q...
Panagiotis Karras, Dimitris Sacharidis, Nikos Mamo...
FGCN
2008
IEEE
240views Communications» more  FGCN 2008»
14 years 3 months ago
Data Compression Algorithm Based on Hierarchical Cluster Model for Sensor Networks
A new distributed algorithm of data ccompression based on hierarchical cluster model for sensor networks is proposed, the basic ideas of which are as follows, firstly the whole se...
Tongsen Wang, Lei Wang, Zhijun Xie, Ronghua Yang
DCC
2004
IEEE
14 years 8 months ago
Reduced Complexity Wavelet-Based Predictive Coding of Hyperspectral Images for FPGA Implementation
We present an algorithm for lossy compression of hyperspectral images for implementation on field programmable gate arrays (FPGA). To greatly reduce the bit rate required to code ...
Agnieszka C. Miguel, Amanda R. Askew, Alexander Ch...
WSCG
2004
167views more  WSCG 2004»
13 years 10 months ago
Embedded Rate Scalable Wavelet-Based Image Coding Algorithm with RPSWS
This paper proposes an embedded rate scalable wavelet-based image coding algorithm. We introduce a simple and efficient approach for coding the positions and the signs of the wave...
Farag I. Y. Elnagahy, Boris Simák