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IJNSEC
2008
113views more  IJNSEC 2008»
15 years 6 months ago
A Fragile Associative Watermarking on 2D Barcode for Data Authentication
Two-dimensional (2D) barcode has improved the information encoded capacity, and it also has enriched the applications of barcode technique. Recently, there are researches dealing ...
Jau-Ji Shen, Po-Wei Hsu
JIPS
2010
273views more  JIPS 2010»
15 years 1 months ago
Hiding Secret Data in an Image Using Codeword Imitation
This paper proposes a novel reversible data hiding scheme based on a Vector Quantization (VQ) codebook. The proposed scheme uses the principle component analysis (PCA) algorithm to...
Zhi-Hui Wang, Chin-Chen Chang, Pei-Yu Tsai
ICUIMC
2009
ACM
16 years 1 months ago
PicAChoo: a tool for customizable feature extraction utilizing characteristics of textual data
Although documents have hundreds of thousands of unique words, only a small number of words are significantly useful for intelligent services. For this reason, feature extraction ...
Jaeseok Myung, Jung-Yeon Yang, Sang-goo Lee
ICDE
2007
IEEE
119views Database» more  ICDE 2007»
16 years 1 months ago
Practical Preference Relations for Large Data Sets
User-defined preferences allow personalized ranking of query results. A user provides a declarative specification of his/her preferences, and the system is expected to use that ...
Kenneth A. Ross, Peter J. Stuckey, Amélie M...
ISLPED
2005
ACM
88views Hardware» more  ISLPED 2005»
16 years 7 days ago
PARE: a power-aware hardware data prefetching engine
Aggressive hardware prefetching often significantly increases energy consumption in the memory system. Experiments show that a major fraction of prefetching related energy degrad...
Yao Guo, Mahmoud Ben Naser, Csaba Andras Moritz