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TIM
2010
108views Education» more  TIM 2010»
13 years 9 days ago
Reversible Watermarking by Modulation and Security Enhancement
This paper presents a watermarking algorithm that is suitable for the data represented in floating- or fixed-point numbers. By keeping the modulation information, every value in th...
Hao-Tian Wu, Yiu-ming Cheung
STOC
2006
ACM
121views Algorithms» more  STOC 2006»
13 years 11 months ago
On adequate performance measures for paging
Memory management is a fundamental problem in computer architecture and operating systems. We consider a two-level memory system with fast, but small cache and slow, but large mai...
Konstantinos Panagiotou, Alexander Souza
SIGMOD
2005
ACM
178views Database» more  SIGMOD 2005»
14 years 5 months ago
Towards Effective Indexing for Very Large Video Sequence Database
With rapid advances in video processing technologies and ever fast increments in network bandwidth, the popularity of video content publishing and sharing has made similarity sear...
Heng Tao Shen, Beng Chin Ooi, Xiaofang Zhou
CDC
2009
IEEE
134views Control Systems» more  CDC 2009»
13 years 10 months ago
Event-based control using quadratic approximate value functions
Abstract— In this paper we consider several problems involving control with limited actuation and sampling rates. Event-based control has emerged as an attractive approach for ad...
Randy Cogill
ICS
2010
Tsinghua U.
14 years 3 months ago
Cryptography by Cellular Automata or How Fast Can Complexity Emerge in Nature?
Computation in the physical world is restricted by the following spatial locality constraint: In a single unit of time, information can only travel a bounded distance in space. A ...
Benny Applebaum, Yuval Ishai, Eyal Kushilevitz