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ACTAC
1999
117views more  ACTAC 1999»
13 years 7 months ago
Limiting Distortion of a Wavelet Image Codec
A new image compression algorithm, Distortion Limited Wavelet Image Codec (DLWIC), is introduced. The codec is designed to be simple to implement, fast and have modest requirement...
Joonas Lehtinen
RAS
2007
151views more  RAS 2007»
13 years 7 months ago
Recursive scan-matching SLAM
This paper presents Scan-SLAM, a new generalisation of simultaneous localisation and mapping (SLAM). SLAM implementations based on extended Kalman filter (EKF) data fusion have t...
Juan Nieto, Tim Bailey, Eduardo Mario Nebot
SIGOPS
2010
80views more  SIGOPS 2010»
13 years 5 months ago
Mining dependency in distributed systems through unstructured logs analysis
Dependencies among system components are crucial to locating root errors in a distributed system. In this paper, we propose an approach to mine intercomponent dependencies from un...
Jian-Guang Lou, Qiang Fu, Yi Wang, Jiang Li
TMC
2010
119views more  TMC 2010»
13 years 5 months ago
SSUM: Smart Server Update Mechanism for Maintaining Cache Consistency in Mobile Environments
—This paper proposes a cache consistency scheme based on a previously proposed architecture for caching database data in MANETs. The original scheme for data caching stores the q...
Khaleel W. Mershad, Hassan Artail
SIAMIS
2010
102views more  SIAMIS 2010»
13 years 2 months ago
Cross Correlation and Deconvolution of Noise Signals in Randomly Layered Media
It is known that cross correlation of waves generated by noise sources, propagating in an unknown medium, and recorded by a sensor array, can provide information about the medium. ...
Josselin Garnier, Knut Sølna