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93
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JIPS
2010
273views more  JIPS 2010»
14 years 7 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
ICASSP
2011
IEEE
14 years 4 months ago
Dense disparity estimation from linear measurements
This paper proposes a methodology to estimate the correlation model between a pair of images that are given under the form of linear measurements. We consider an image pair whose ...
Vijayaraghavan Thirumalai, Pascal Frossard
AMC
2007
112views more  AMC 2007»
15 years 26 days ago
A ternary 4-point approximating subdivision scheme
In the implementation of subdivision scheme, three of the most important issues are smoothness, size of support, and approximation order. Our objective is to introduce an improved...
Kwan Pyo Ko, Byung-Gook Lee, Gang Joon Yoon
96
Voted
COMPSAC
2000
IEEE
15 years 5 months ago
Practical Key Distribution Schemes for Channel Protection
– This paper presents three key distribution schemes for channel protection. With the proposed schemes, encryption keys of the ordered programs can be distributed to the authoriz...
Yu-Lun Huang, Shiuh-Pyng Winston Shieh, Jian-Chyua...
124
Voted
WWW
2006
ACM
16 years 1 months ago
Compressing and searching XML data via two zips
XML is fast becoming the standard format to store, exchange and publish over the web, and is getting embedded in applications. Two challenges in handling XML are its size (the XML...
Paolo Ferragina, Fabrizio Luccio, Giovanni Manzini...