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SSWMC
2004
13 years 9 months ago
Statistical amplitude scale estimation for quantization-based watermarking
Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore the scaling factor has to be accounted for either at the encoder, or at the decoder, prior t...
Ivo D. Shterev, Reginald L. Lagendijk, Richard Heu...
ICIP
2005
IEEE
14 years 9 months ago
Joint source-channel coding of scalable video with partially coded index assignment using Reed-Muller codes
Joint source-channel coding of scalable video using motion-compensated temporal filtering is considered. The proposed coding scheme consists of a structured vector quantizer based ...
G. Feideropoulou, Joseph E. Fowler, Béatric...
CIKM
2009
Springer
14 years 2 months ago
Dynamic in-page logging for flash-aware B-tree index
This paper presents Dynamic IPL B+ -tree (d-IPL in short) as a B+ -tree index variant for flash-based storage systems. The d-IPL B+ -tree adopts a dynamic In-Page Logging (IPL) s...
Gap-Joo Na, Sang-Won Lee, Bongki Moon
SIGMOD
2005
ACM
155views Database» more  SIGMOD 2005»
14 years 8 months ago
On Boosting Holism in XML Twig Pattern Matching using Structural Indexing Techniques
Searching for all occurrences of a twig pattern in an XML document is an important operation in XML query processing. Recently a holistic method TwigStack [2] has been proposed. T...
Ting Chen, Jiaheng Lu, Tok Wang Ling
DOCENG
2010
ACM
13 years 9 months ago
Picture detection in document page images
We present a method for picture detection in document page images, which can come from scanned or camera images, or rendered from electronic file formats. Our method uses OCR to s...
Patrick Chiu, Francine Chen, Laurent Denoue