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SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
14 years 9 months ago
Sharing aggregate computation for distributed queries
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
Ryan Huebsch, Minos N. Garofalakis, Joseph M. Hell...
MMSEC
2006
ACM
231views Multimedia» more  MMSEC 2006»
14 years 2 months ago
JPEG2000-based secure image authentication
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
Mathias Schlauweg, Dima Pröfrock, Erika M&uum...
ISCAS
2003
IEEE
131views Hardware» more  ISCAS 2003»
14 years 2 months ago
Process variation dimension reduction based on SVD
We propose an algorithm based on singular value decomposition (SVD) to reduce the number of process variation variables. With few process variation variables, fault simulation and...
Zhuo Li, Xiang Lu, Weiping Shi
SBACPAD
2003
IEEE
138views Hardware» more  SBACPAD 2003»
14 years 2 months ago
Finite Difference Simulations of the Navier-Stokes Equations Using Parallel Distributed Computing
 This paper discusses the implementation of a numerical algorithm for simulating incompressible fluid flows based on the finite difference method and designed for parallel compu...
João Paulo De Angeli, Andréa M. P. V...
VISUALIZATION
1998
IEEE
14 years 1 months ago
Eliminating popping artifacts in sheet buffer-based splatting
Splatting is a fast volume rendering algorithm which achieves its speed by projecting voxels in the form of pre-integrated interpolation kernels, or splats. Presently, two main va...
Klaus Mueller, Roger Crawfis