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AN EXPERIMENTAL STUDY OF FACE RECOGNITION METHOD
2020
Computer Science & IT Research Journal
Preserved Fulltext
The proposed idea relies on the spectral graph wavelet kernel procedure. In this proposed method, feature extraction is based on transformation into SGWT by means of spatial domain. ...
In this study, a new method of face recognition is proposed based on the idea of wavelet operators for creating spectral graph wavelet transformation. ...
The second stage is based on collaborative representation and learned metric for efficient nonnegative sparse code algorithm. ...
doi:10.51594/csitrj.v1i2.135
fatcat:a3qxrpe7dzfold2outg47syu4u
Support vector regression with genetic algorithms in forecasting tourism demand
2007
Tourism Management
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The experimental results demonstrate that SVR outperforms the BPNN and ARIMA models based on the normalized mean square error (NMSE) and mean absolute percentage error (MAPE). ...
The aim of this study is to examine the feasibility of SVR in tourism demand forecasting by comparing it with back-propagation neural networks (BPNN) and the autoregressive integrated moving average (ARIMA ...
. ; n, and are obtained by maximizing the dual function of Eq. (4), and the maximal dual function in Eq. (4) which has the following form: max Rða i ; a à i Þ ¼ X n i¼1 d i ða i À a à i Þ À e X n i¼1 ða ...
doi:10.1016/j.tourman.2005.12.018
fatcat:2n3phk45brgoxep2xc6awlphfa
The relative contribution of color and material in object selection
2019
PLoS Computational Biology
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the relative importance of color vs. material in selection. ...
On each experimental trial, observers viewed three blob-shaped objects-the target and two tests-and selected the test that was more similar to the target. ...
Acknowledgments We thank Abby Squire for her help in data collection.
Author Contributions ...
doi:10.1371/journal.pcbi.1006950
pmid:30978187
pmcid:PMC6490924
fatcat:pz3f3qcjyrhxfijomu6bc7nyzm
Deterministic Algorithms for Solving Boolean Polynomial Equations Based on Channel Coding Theory
2020
IEEE Access
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Definition 1: A (n, k) linear block code has 2 k codewords forming a k-dimensional subspace of the vector space of all the n-tuples in GF (2) . ...
THE ALGORITHM BASED ON CHANNEL CODING THEORY IS DETERMINISTIC AND ROBUST Forward error correction (FEC) coding is an important technique in communication. ...
Three deterministic and robust algorithms have been proposed to solve the problem of the satisfiability of Boolean polynomial equations based on coding theory. ...
doi:10.1109/access.2020.2971393
fatcat:3fl6wrx7vrbjjcyu2usxebz2sm
The relative contribution of color and material in object selection
[article]
2018
bioRxiv
pre-print
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On each experimental trial, observers viewed three blob-shaped objects - the target and two tests - and selected the test that was more similar to the target. ...
the relative importance of color vs. material in selection. ...
This adjustment was based on informal judgments by authors AR and DHB. Note, 502 however, that our attention to spacing was only for the purpose of maximizing the power of the 503 data. ...
doi:10.1101/393470
fatcat:dbattux2wvdidbsjvnry7g6cxu
Optimal Science-time Reorientation Policy for the Comet Interceptor Flyby via Sequential Convex Programming
[article]
2021
arXiv
pre-print
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The proposed method was applied to a scenario that involved maximizing the science time for the upcoming Comet Interceptor flyby mission developed by the European Space Agency. ...
The method directly handles the nonlinear dynamics of the spacecraft, sun exclusion constraint, torque and momentum limits on the reaction wheels as well as potential faults in these actuators. ...
The mission takes advantage of the extra space available on the launcher of the ARIEL mission and will wait in hibernation until a suitable comet target is found. ...
arXiv:2105.09029v1
fatcat:2plqavhcznfqfmrp6lrwe63lfi
Imitative Planning using Conditional Normalizing Flow
[article]
2020
arXiv
pre-print
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This mapping allows for control samples and their associated energy to be generated jointly and in parallel. ...
Finally, we demonstrate the effectiveness of our approach on real world datasets over IL and hand constructed trajectory sampling techniques. ...
An autoregressive flow conditioned on the scene, generates trajectory samples in a latent space, described in section 4.4. ...
arXiv:2007.16162v2
fatcat:d5ifpjbgj5guvaoydlbpaxf3ny
Securing Tag-based recommender systems against profile injection attacks: A comparative study. (Extended Report)
[article]
2019
arXiv
pre-print
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This work addresses the challenges related to attacks on collaborative tagging systems, which often comes in a form of malicious annotations or profile injection attacks. ...
In particular, we study various countermeasures against two types of such attacks for social tagging systems, the Overload attack and the Piggyback attack. ...
This observation is in line with other researches in the field by Ramezani et al. (2008) , even though expressed in different metrics. ...
arXiv:1901.08422v1
fatcat:i5tltq6e65hmtfmwdcfx6gaptu
Constrained nonlinear optimization approaches to color-signal separation
1995
IEEE Transactions on Image Processing
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least-squares problem whose solution state space is less than that of the original space. ...
Moreover, when taking in account the physical realizability constraints on both the surface reflectance and illumination, the feasible solutions to the nonlinear least-squares problem should satisfy a ...
j of linear models that "ize the metric between ? ...
doi:10.1109/83.350812
pmid:18289960
fatcat:l7yohsqhwnhbxae3tx4sgbmqsm
Low-Complexity Coding and Source-Optimized Clustering for Large-Scale Sensor Networks
[article]
2008
arXiv
pre-print
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The Internet Archive has a preservation copy of this work in our general collections.
The file type is application/pdf.
Although near-tooptimal solutions based on Turbo and LDPC codes exist for this problem, in most cases the proposed techniques do not scale to networks of hundreds of sensors. ...
We consider the distributed source coding problem in which correlated data picked up by scattered sensors has to be encoded separately and transmitted to a common receiver, subject to a rate-distortion ...
Pradhan and Ramchandran presented in [19] a method called distributed source coding using syndromes (DISCUS), based on channel codes with good distance properties, where the set of possible codewords ...
arXiv:0809.1330v1
fatcat:t3waegrcdrguhmy5b6cfssxdx4
Learning one subprocedure per lesson
1987
Artificial Intelligence
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The harder one is learning a procedure from input-output pairs 4 ...
The key to SIERRA'S success lies in supplying a small amount of extra information with the examples. ...
Given a version space and a positive instance, Update-S generalizes the patterns in S so that they match the instance and remain maximally specific. ...
doi:10.1016/0004-3702(87)90080-4
fatcat:bdp6op56knchbgdxw5fz3jv3yq
Abstracts of the Current Computer Literature
1969
IEEE transactions on computers
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In this note the computational efficiency of four methods for evaluating the interpolating polynominal is examined. ...
; Coding
Conversational Use of Graphical Display
Units in File Coding and Processing
7064
Generation of Optimal Code for Expres-
sions Via Factorization 7070
Combinational
Equation for Delay Between ...
doi:10.1109/t-c.1969.222561
fatcat:hsdd4fss3zc7pp6pschbyfbqlu
What's the Over/Under? Probabilistic Bounds on Information Leakage
[chapter]
2018
Lecture Notes in Computer Science
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Prior work has shown that QIF techniques based on abstract interpretation with probabilistic polyhedra can be used to analyze the worst-case leakage of a query, on-line, to determine whether that query ...
In particular, depending on the size of the input and output space, it may take many samples to arrive at a proper approximation of the output distribution. ...
A Query Code The following is the query code of the example developed in Sect. 2.2. Here, s x and s y represent a ship's secret location. ...
doi:10.1007/978-3-319-89722-6_1
fatcat:q473q7lhxbdqjhzmpzlbyuglxm
Methods of conjugate gradients for solving linear systems
1952
Journal of research of the National Bureau of Standards
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An iterative algorithm is given for solving a system Ax=k of n linear equations in n unknowns. The solution is given in n steps. ...
(b) The conjugate gradient method is simpler to code and requires less storage space. (c) The given matrix is unaltered during the process, so that a maximum of the original data is used. ...
A in the vector space according to (14:11). ...
doi:10.6028/jres.049.044
fatcat:3rgd76lupna3disvqvz7kdvu5y
What's the Over/Under? Probabilistic Bounds on Information Leakage
[article]
2018
arXiv
pre-print
Preserved Fulltext
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The file type is application/pdf.
Prior work has shown that QIF techniques based on abstract interpretation with probabilistic polyhedra can be used to analyze the worst-case leakage of a query, on-line, to determine whether that query ...
In particular, depending on the size of the input and output space, it may take many samples to arrive at a proper approximation of the output distribution. ...
B Query code The following is the query code of the example developed in Section 2.2. Here, s_x and s_y represent a ship's secret location. ...
arXiv:1802.08234v1
fatcat:rd2isiuvjfcnbeeoe5vm6lzuu4
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