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273views more  IJCAT 2010»
9 years 11 months ago
FPGA implementation of log-polar mapping
Log-polar or spatially-variant image representation is an important component of active vision system in tracking process for many robotic applications due to its data compression ...
Wai Kit Wong, Chee Wee Choo, Chu Kiong Loo, Joo Pe...
216views more  TIT 1998»
10 years 1 months ago
Data Compression and Harmonic Analysis
In this article we review some recent interactions between harmonic analysis and data compression. The story goes back of course to Shannon’s R(D) theory in the case of Gaussian...
David L. Donoho, Martin Vetterli, Ronald A. DeVore...
123views more  TIT 1998»
10 years 1 months ago
The Minimum Description Length Principle in Coding and Modeling
—We review the principles of Minimum Description Length and Stochastic Complexity as used in data compression and statistical modeling. Stochastic complexity is formulated as the...
Andrew R. Barron, Jorma Rissanen, Bin Yu
94views more  JEI 1998»
10 years 1 months ago
Proximity sensing with wavelet-generated video
In this paper we introduce wavelet video processing of proximity sensor signals. Proximity sensing is required for a wide range of military and commercial applications, including w...
Steven Noel, Harold Szu
83views more  TIT 2008»
10 years 1 months ago
The Information Lost in Erasures
Abstract--We consider sources and channels with memory observed through erasure channels. In particular, we examine the impact of sporadic erasures on the fundamental limits of los...
Sergio Verdú, Tsachy Weissman
136views more  TCOM 2008»
10 years 1 months ago
Joint source-channel codes based on irregular turbo codes and variable length codes
Abstract--Variable length codes (VLCs), used in data compression, are very sensitive to error propagation in the presence of noisy channels. To address this problem, several joint ...
Xavier Jaspar, Luc Vandendorpe
91views Education» more  CORR 2006»
10 years 1 months ago
Universal Codes as a Basis for Time Series Testing
We suggest a new approach to hypothesis testing for ergodic and stationary processes. In contrast to standard methods, the suggested approach gives a possibility to make tests, ba...
Boris Ryabko, Jaakko Astola
102views more  ALMOB 2006»
10 years 1 months ago
Mining, compressing and classifying with extensible motifs
Background: Motif patterns of maximal saturation emerged originally in contexts of pattern discovery in biomolecular sequences and have recently proven a valuable notion also in t...
Alberto Apostolico, Matteo Comin, Laxmi Parida
10 years 2 months ago
Evolvable Hardware Chip for High Precision Printer Image Compression
This paper describes a data compression chip for the high-precision electrophotographic printer using Evolvable Hardware (EHW). EHW is a new hardware paradigm which combines Genet...
Hidenori Sakanashi, Mehrdad Salami, Masaya Iwata, ...
10 years 2 months ago
Optical Wireless: Chromatic Encoded Visual Data Transfer
- This paper explains a new technique that takes advantage of advancements in digital imaging technology to visually transfer large amounts of data quickly between computing machin...
Arthur Reloj, Gregory Vert