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CORR
2011
Springer
161views Education» more  CORR 2011»
13 years 4 months ago
Generalized Gray Codes for Local Rank Modulation
—We consider the local rank-modulation scheme in which a sliding window going over a sequence of real-valued variables induces a sequence of permutations. Local rankmodulation is...
Eyal En Gad, Michael Langberg, Moshe Schwartz, Jeh...
SECON
2008
IEEE
14 years 3 months ago
Practical Localized Network Coding in Wireless Mesh Networks
—In this paper, BFLY–a practical localized network coding protocol for wireless mesh networks–is proposed. To supplement forwarding packets in classical networks, intermediat...
Oluwasoji Omiwade, Rong Zheng, Cunqing Hua
APPROX
2005
Springer
96views Algorithms» more  APPROX 2005»
14 years 2 months ago
Tolerant Locally Testable Codes
An error-correcting code is said to be locally testable if it has an efficient spot-checking procedure that can distinguish codewords from strings that are far from every codeword...
Venkatesan Guruswami, Atri Rudra
ICIP
2000
IEEE
14 years 1 months ago
Partitioning of Video Objects into Temporal Segments Using Local Motion Information
In this paper we propose an algorithm to partition MPEG-4 video objects into temporal segments with uniform activity levels. These segments can be used for efficient summarization...
Berna Erol, Faouzi Kossentini
STOC
2002
ACM
117views Algorithms» more  STOC 2002»
14 years 9 months ago
Hardness amplification within NP
We study the average-case hardness of the class NP against deterministic polynomial time algorithms. We prove that there exists some constant ? > 0 such that if there is some l...
Ryan O'Donnell