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DATE
1998
IEEE
116views Hardware» more  DATE 1998»
15 years 10 months ago
VLSI Architecture for Lossless Compression of Medical Images Using the Discrete Wavelet Transform
This paper presents a VLSI Architecture to implement the forward and inverse 2-D Discrete Wavelet Transform (FDWT/IDWT), to compress medical images for storage and retrieval. Loss...
Isidoro Urriza, José I. Artigas, José...
IH
1998
Springer
15 years 10 months ago
The Steganographic File System
Abstract. Users of some systems are at risk of being compelled to disclose their keys or other private data, and this risk could be mitigated if access control mechanisms supported...
Ross J. Anderson, Roger M. Needham, Adi Shamir
LCPC
1998
Springer
15 years 10 months ago
HPF-2 Support for Dynamic Sparse Computations
There is a class of sparse matrix computations, such as direct solvers of systems of linear equations, that change the fill-in (nonzero entries) of the coefficient matrix, and invo...
Rafael Asenjo, Oscar G. Plata, Juan Touriño...
ISCAS
1994
IEEE
138views Hardware» more  ISCAS 1994»
15 years 10 months ago
High-Throughput Data Compressor Designs Using Content Addressable Memory
This paper presents a novel VLSI architecture for high-speed data compressor designs which implement the well-known LZ77 algorithm. The architecture mainly consists of three units...
Ren-Yang Yang, Chen-Yi Lee
CIKM
1994
Springer
15 years 10 months ago
Hashing by Proximity to Process Duplicates in Spatial Databases
In a spatial database, an object may extend arbitrarily in space. As a result, many spatial data structures e.g., the quadtree, the cell tree, the R+-tree represent an object by p...
Walid G. Aref, Hanan Samet