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COMSWARE
2008
IEEE
14 years 2 months ago
DWT-DCT-SVD based watermarking
Some works are reported in the frequency domain watermarking using Single Value Decomposition (SVD). The two most commonly used methods are based on DCT-SVD and DWTSVD. The commonl...
K. A. Navas, M. C. Ajay, M. Lekshmi, T. S. Archana...
WWW
2007
ACM
14 years 9 months ago
Towards environment generated media: object-participation-type weblog in home sensor network
The environment generated media (EGM) are defined here as being generated from a massive amount of and/or incomprehensible environmental data by compressing them into averages or ...
Takuya Maekawa, Yutaka Yanagisawa, Takeshi Okadome
ICIP
2008
IEEE
14 years 2 months ago
Iterative pre- and post-processing for MRC layers of scanned documents
The Mixed Raster Content (MRC) document compression standard (ITU T.44) specifies a multi-layer multi-resolution representation of a compound document. The model is very efficie...
Alexandre Zaghetto, Ricardo L. de Queiroz
ISCAS
2006
IEEE
90views Hardware» more  ISCAS 2006»
14 years 2 months ago
Quality-biased rate allocation for compound image coding with block classification
- In this paper, we propose a novel rate allocation method for compound image coding using Quality-biased Rate-Distortion Optimization (QRDO) technique to enhance visual quality. T...
Dong Liu, Wenpeng Ding, Yuwen He, Feng Wu
FUN
2010
Springer
247views Algorithms» more  FUN 2010»
14 years 1 months ago
A Fun Application of Compact Data Structures to Indexing Geographic Data
The way memory hierarchy has evolved in recent decades has opened new challenges in the development of indexing structures in general and spatial access methods in particular. In t...
Nieves R. Brisaboa, Miguel Rodríguez Luaces...