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Network analysis through the use of Joint-Distribution Entropy on EEG recordings of MCI Patients during a visual short-term memory binding task
2019
Healthcare technology letters
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This work studies a functional network created from a non-linear measure of coupling of beta-filtered EEG recordings during a short-term memory binding task. ...
It shows that the values of the small-world characteristic and eccentricity are, respectively, lower and higher in MCI patients than in controls. ...
Eccentricity is the maximum shortest path length between any two nodes in the network [8] . ...
doi:10.1049/htl.2018.5060
pmid:31119035
pmcid:PMC6498400
fatcat:w225zlgb5baxdgbfwa45kfiycy
Implementing Adaptive Voltage Over-Scaling: Algorithmic Noise Tolerance vs. Approximate Error Detection
2019
Journal of Low Power Electronics and Applications
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This strategy encompasses the concept of timing speculation through some level of approximation. How and on which part of the circuit to implement such approximation is an open issue. ...
The aim of this study was to provide both a qualitative and quantitative analysis on two real-life digital circuits mapped onto a state-of-the-art 28-nm CMOS technology. ...
More in detail, the TDL is tuned such that the arrival time of the shortest path (AT min ) is delayed beyond the DW. ...
doi:10.3390/jlpea9020017
fatcat:ise4bltwpvbw3m3w47q5hvkk6m
Optimal Transmission of High-frequency Voltage Signals under Remote Control
2019
European Journal of Electrical Engineering
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Drawing on adaptive spectrum feature extraction and equalization filtering, the proposed model combines non-stationary time series analysis, linear equalization and fractionally-spaced equalization to ...
The research findings shed new light on improving the quality of high-frequency voltage signals in transmission lines under remote control. ...
Furthermore, our method was compared with two traditional transmission methods for high-frequency voltage signals, namely, baud-spaced equalization and shortest path forwarding, in terms of bit error rate ...
doi:10.18280/ejee.210305
fatcat:nzhsjrt6jrh7db537nsmqeo63y
Denoising Signals Used in Gas Turbine Diagnostics with Ant Colony Optimized Weighted Recursive Median Filters
2017
INAE Letters
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The WRM filter is demonstrated for abrupt and gradual faults in gas turbines and is found to yield noise reduction of 52-64% for simulated noisy signals considered in this paper. ...
We propose the ant colony optimization (ACO) method coupled with local search to calculate the integer weights of WRM filters. ...
In fact, some species of ants are completely blind but are still able to find the shortest path. ...
doi:10.1007/s41403-017-0023-y
fatcat:7kn6rjflpnd7xkjmaega4bn26m
Core-Level Modeling and Frequency Prediction for DSP Applications on FPGAs
2015
International Journal of Reconfigurable Computing
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We also demonstrate how such prediction enables accurate design-space exploration without coding in a hardware-description language (HDL), significantly reducing the total design time. ...
Previous works have enabled model-based, design-space exploration to reduce DTE iterations but are limited by a lack of accurate model-based prediction of key design parameters, the most important of which ...
Acknowledgments This work was supported in part by the I/UCRC Program of the National Science Foundation under Grant nos. EEC-0642422 and IIP-1161022. ...
doi:10.1155/2015/784672
fatcat:6lwpbspsnngctcu4t3ctgno64m
Machine-learning-based estimation and rendering of scattering in virtual reality
2019
Journal of the Acoustical Society of America
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In this work, a technique to render the acoustic effect of scattering from finite objects in virtual reality is proposed, which aims to provide a perceptually plausible response for the listener, rather ...
The input data consist of a set of geometric features describing a large quantity of source-object-receiver configurations, and the target data consist of the filter parameters computed using measured ...
ACKNOWLEDGMENTS This research was supported by the Academy of Finland. Ambrosini, L., Gabrielli, L., Vesperini, F., Squartini, S., and Cattani, L. (2018). ...
doi:10.1121/1.5095875
fatcat:bidxqdewpre2tkyd2d265lmt3q
Delay and sampling-rate aware architectural synthesis in presence of communication overhead
2008
2008 Joint 6th International IEEE Northeast Workshop on Circuits and Systems and TAISA Conference
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The proposed technique operating on the cyclic DFG of a DSP algorithm is designed to evaluate the relative firing times of the nodes by using Floyd-Warshall's longest path algorithm so that the communication ...
This paper presents a technique for the minimization of the delay and sampling rate in the architectural synthesis of cyclic data flow graphs (DFGs) representing DSP algorithms taking into consideration ...
EXPERIMENTAL RESULTS The proposed scheme is first applied to a well-known benchmark problem of a second-order IIR filter. The modified DFG for this filter is shown in Fig. 2 . ...
doi:10.1109/newcas.2008.4606386
fatcat:d7cnauvv7rhd7fzy5xnavgwmr4
Ant colony optimization-based bio-inspired hardware: survey and prospect
2010
Transactions of the Institute of Measurement and Control
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to the finding the shortest path from ant nest to a considered problem. ...
for the Travelling Salesman Problem (TSP), digital circuits, digital infinite impulse-response (IIR) filters, hardwareoriented ant colony optimization with look-up table and hardware/software partition ...
In Figure 7 , the parameters of the IIR filter are successively adjusted by the modified TACO algorithm until the error between the outputs of the filter and the system is minimized. ...
doi:10.1177/0142331210366689
fatcat:pj6hwz4py5eltblpwa4vcxbwsu
An optimal memory allocation scheme for scratch-pad-based embedded systems
2002
ACM Transactions on Embedded Computing Systems
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Instead, the memory units are mapped to different portions of the address space. ...
For some programs, less than 5% of data in SRAM achieves a similar speedup. ...
20% of the program data size (for all three allocation schemes), and the case when all program data is placed in DRAM. shortest path between two elements in a matrix using Dijkstra's algorithm. ...
doi:10.1145/581888.581891
fatcat:e5jjmx4qqfepjnfoz533tcg2ha
Binaural Sound Localizer for Azimuthal Movement Detection Based on Diffraction
2012
Sensors
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One of the microphones in the system is surrounded by barriers of various heights in order to cast the direction dependent diffraction of the incoming signal. ...
Sound localization can be realized by utilizing the physics of acoustics in various methods. ...
Also, the research was partially funded by NASA sponsored Georgia Space Grant Consortium. ...
doi:10.3390/s120810584
pmid:23112617
pmcid:PMC3472845
fatcat:a6gsamc3bjczllt5ri4njy7ide
Principles of Digital Dynamic-Range Compression
2005
Trends in Amplification
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design that separates the filtering operation from the frequency analysis, and the frequency-warped version of the side-branch approach that modifies the analysis frequency spacing to more closely match ...
This article provides an overview of dynamic-range compression in digital hearing aids. ...
The group delay for the combination of three IIR filters is plotted in Figure 13 . ...
doi:10.1177/108471380500900202
pmid:16012704
pmcid:PMC4111488
fatcat:4clpq533bzgcfojwlh6mvjaawu
Cut-based functional debugging for programmable systems-on-chip
2000
IEEE Transactions on Very Large Scale Integration (vlsi) Systems
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Due to the growth of both design complexity and the number of gates per pin, functional debugging has emerged as a critical step in the development of a system-on-chip (SOC). ...
We propose a set of tools, transparent to both the design and debugging process, that enables the user to run long test sequences in emulation and, upon error detection, roll back to an arbitrary instance ...
Finding the cut of the third-order Gray-Markel ladder IIR filter. The original CDFG for this filter structure is presented in Fig. 1(a) . of time nonoverlapping small cuts. ...
doi:10.1109/92.820760
fatcat:g5qc3odat5cs3chbncypaldkmq
DSP for MATLAB™ and LabVIEW™ I: Fundamentals of Discrete Signal Processing
2008
Synthesis Lectures on Signal Processing
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There are two basic types of digital filter, the FIR filter and the IIR filter, each having certain advantages and disadvantages that determine suitability for a given use. ...
the interfering signals, the transit time of the direct (i.e., shortest) path can be subtracted from all transit times. 2) Specify each of the reflected (i.e., delayed) paths as a number of equivalent ...
It evaluated the frequency response of a test signal of length N by correlating the test signal with many test correlators of length N having frequencies evenly spaced between 0 and π radians. ...
doi:10.2200/s000161ed1v01y200811spr004
fatcat:3cwzmk7iuvdf7c23izrwpgcxoq
Fast Adaptable Mobile Robot Navigation in Dynamic Environment
[article]
2020
arXiv
pre-print
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In this paper, a navigation scheme for mobile robot, capable of dealing with time variant environment is proposed. ...
Autonomous navigation in dynamic environment heavily depends on the environment and its topology. Prior knowledge of the environment is not usually accurate as the environment keeps evolving in time. ...
To smooth the movement of the robot, we apply a first order IIR filter to reduce the high frequency change in robotâȂŹs angular velocity. ...
arXiv:2007.09581v1
fatcat:akhkvewtifdgbo475xjt4xeyfm
A method for human action recognition
2003
Image and Vision Computing
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Each action is represented as a manifold in this lower dimensional space and matching is done by comparing these manifolds. ...
Classification results were very accurate and show that this approach is robust to challenges such as variations in performers' physical attributes, color of clothing, and style of motion. ...
This work has been partially supported by the Minnesota Department of Transportation and the National Science Foundation through grants #CMS-0127893 and #IIS-0219863. ...
doi:10.1016/s0262-8856(03)00068-4
fatcat:rqvlqpxzk5ayhofgm5kh3bwt4e
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