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AMC
2007
134views more  AMC 2007»
14 years 9 months ago
An image fragile watermark scheme based on chaotic image pattern and pixel-pairs
Fragile watermarking techniques for digital content have been studied in the past few years. Fragile watermarks are used to determine if a piece of watermarked digital content has...
Shaohui Liu, Hongxun Yao, Wen Gao, Yongliang Liu
ICDE
2012
IEEE
228views Database» more  ICDE 2012»
13 years 2 days ago
A General Method for Estimating Correlated Aggregates over a Data Stream
—On a stream of two dimensional data items (x, y) where x is an item identifier, and y is a numerical attribute, a correlated aggregate query requires us to first apply a selec...
Srikanta Tirthapura, David P. Woodruff
107
Voted
ICIP
2007
IEEE
14 years 9 months ago
Analysis of Utility Functions for Video
In this paper, we formulate the utility functions of distortion and Peak Signal-to-Noise Ratio (PSNR) which are generally used for the performance evaluation of video coding appli...
Cheolhong An, Truong Q. Nguyen
NOSSDAV
2004
Springer
15 years 3 months ago
Client-centered energy savings for concurrent HTTP connections
—In mobile devices, the wireless network interface card (WNIC) consumes a significant portion of overall system energy. One way to reduce energy consumed by a WNIC is to transit...
Haijin Yan, Rupa Krishnan, Scott A. Watterson, Dav...
67
Voted
CIKM
2009
Springer
15 years 4 months ago
Fast and effective histogram construction
Histogram construction or sequence segmentation is a basic task with applications in database systems, information retrieval, and knowledge management. Its aim is to approximate a...
Felix Halim, Panagiotis Karras, Roland H. C. Yap