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(15281 results)-
Whitepapers
VLSI Design and Optimization of Current Mode Differential Viterbi Decoder with 200Mbps Data Rate
September 1, 2012 12:00am PDT
Differential Analog Viterbi decoding presents a powerful Forward-Error-Correction (FEC) channel coding for digital communications. Viterbi decoder is widely used in space, satellite, CDMA,...
Provided by: EuroJournals
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Whitepapers
Novel Pre-Processing Technique for Web Log Mining by Removing Global Noise, Cookies and Web Robots
September 1, 2012 12:00am PDT
Today internet has made the life of human dependent on it. Almost everything and anything can be searched on net. Web pages usually contain huge amount of information that may not interest the...
Provided by: MANONMANIAM SUNDARANAR UNIVERSITY
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Whitepapers
A Secure and High Robust Audio Watermarking System for Copyright Protection
September 1, 2012 12:00am PDT
Transform-domain digital audio watermarking has a performance advantage over time-domain watermarking by virtue of the fact that frequency transforms offer better exploitation of the Human...
Provided by: International Journal of Computer Applications
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Whitepapers
Offline Signature Verification Using FMCN with GA based Optimization of Features
September 1, 2012 12:00am PDT
In recent years, along with extraordinary diffusion of internet and growing need of personal identification in many applications, signature verification is considered with interest. This paper...
Provided by: International Journal of Computer Applications
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Whitepapers
An Analysis on Effective and Accurate Data Clustering Based on Non-Negative Matrix Factorization
September 1, 2012 12:00am PDT
Nonnegative matrix factorization method is a kind of new matrix rotting method. It is an effective tool for large data processing and analysis. At the same time, NMF has an important performance...
Provided by: IJCSMR
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Whitepapers
3D Face Recognition using Gaussian Hermite Moments
September 1, 2012 12:00am PDT
In this paper, the authors propose a method for face recognition using 3D depth information. The goal is to get minimum features and produce a good recognition rates. They extract 3D clouds points...
Provided by: International Journal of Computer Applications
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Whitepapers
Predictive FTF Adaptive Algorithm for Mobile Channels Estimation
September 1, 2012 12:00am PDT
The aim of this paper is to improve the performance of Fast Transversal Filter (FTF) adaptive algorithm used for mobile channel estimation. A multi-ray Jakes mobile channel model with a Doppler...
Provided by: Scientific Research
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Whitepapers
Removal of Cyclic Prefix in Adaptive Non-Contiguous OFDM for Dynamic Spectrum Access Using DWT and WT
September 1, 2012 12:00am PDT
Spectrum has valuable resource in wireless communication. In wireless communication some spectrum is waste due to uses of Cyclic Prefix (cp) in FFT multicarrier sampling. In place of FFT used DFT...
Provided by: ACCENTS
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Whitepapers
Exploiting Structure of Spatio-Temporal Correlation for Detection in Wireless Sensor Networks
August 31, 2012 12:00am PDT
In dense Wireless Sensor Networks (WSN) consecutive measurements obtained by sensors are spatio-temporally correlated in applications that involve the observation of the variation of a physical...
Provided by: EURASIP
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Whitepapers
Beyond Fingerprints Morphology: Chemical Mapping of Functional Groups
August 31, 2012 12:00am PDT
Fingerprints are one the oldest biometrics used in investigations. The fingerprint morphology is considered unique and immutable and it is routinely used to identify an individual from the mark...
Provided by: EURASIP
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Whitepapers
Efficient Training for Fingerprint Based Positioning Using Matrix Completion
August 31, 2012 12:00am PDT
Fingerprint localization methods are extensively used in many location-aware applications in pervasive computing. In this paper, the authors propose a new framework in order to reduce the...
Provided by: EURASIP
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Whitepapers
Multi-Channel Analog-to-Digital Conversion Using a Single-Channel Quantizer
August 31, 2012 12:00am PDT
The authors present a novel Analog-to-Digital Converter (ADC) architecture and conversion scheme to digitize multiple input channels using a single-channel quantizer. The proposed system consists...
Provided by: EURASIP
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Whitepapers
Adaptive Multiple Description Video Coding and Transmission for Scene Change
August 21, 2012 12:00am PDT
In view of perfect compatibility with the standard source and channel codec, temporal sampling based Multiple Description Coding (MDC) has become a better choice for practical applications....
Provided by: EURASIP
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Whitepapers
Coarse-Grained Topology Estimation Via Graph Sampling
August 17, 2012 12:00am PDT
In many online networks, nodes are partitioned into categories (e.g., countries or universities in OSNs), which naturally defines a weighted category graph i.e., a coarse-grained version of the...
Provided by: Association for Computing Machinery
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Whitepapers
Estimating Packet Loss Rate in the Access Through Application-Level Measurements
August 17, 2012 12:00am PDT
End user monitoring of quality of experience is one of the necessary steps to achieve an effective and winning control over network neutrality. The involvement of the end user, however, requires...
Provided by: Association for Computing Machinery
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Whitepapers
A Review on Advancements in Biometrics
August 16, 2012 12:00am PDT
Biometrics is an automated method of recognizing a person based on physiological or behavioral characteristics. Biometric recognition technology relies upon the physiological characteristic of an...
Provided by: International Journal of Electronics and Computer Science Engineering
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Whitepapers
Evaluation on Score Reliability for Biometric Speaker Authentication Systems
August 16, 2012 12:00am PDT
Fusion weight tuning based on score reliability is imperative in order to ensure the performances of multibiometric systems are sustained. In this paper, two variant of conditions i.e., different...
Provided by: Science Productions
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Whitepapers
Compressive Spectrum Sensing Using a Bandpass Sampling Architecture
August 16, 2012 12:00am PDT
Fast and reliable detection of available channels (i.e., those temporarily unoccupied by primary users) is a fundamental problem in the context of emerging cognitive radio networks, without an...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Adaptive Sampling with Bayesian Compressive Sensing in Radar Sensor Networks and Image
August 16, 2012 12:00am PDT
The theory of Bayesian compressive sensing is briefly introduced and the differential entropy for recovery signal is deduced. An evaluation index based on differential entropy is devised and the...
Provided by: EURASIP
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Whitepapers
Adaptive Threshold for Energy Detector Based on Discrete Wavelet Packet Transform
August 10, 2012 12:00am PDT
One promising approach to achieving high precision and low complexity in a cognitive radio system is the energy detector based on the Discrete Wavelet Packet Transform (DWPT). However, the...
Provided by: University of Ljubljana
