Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525695
A. Baranchikov, A. Gromov, V. S. Gurov, N. N. Grinchenko, Sergey I. Babaev
The technique of dynamic data masking when compared with traditional data masking allows due to modified database structure to give true or false credible data not for different type (data access level) of information system users but depending on the basis of the individual features of each user being attributed to the same class which is typical to the information systems oriented at credible contact of information system user and his client. Special attention is given to the problems of fast and efficient data masking mechanism implementation based on the peculiarities of information system usage.
{"title":"The technique of dynamic data masking in information systems","authors":"A. Baranchikov, A. Gromov, V. S. Gurov, N. N. Grinchenko, Sergey I. Babaev","doi":"10.1109/MECO.2016.7525695","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525695","url":null,"abstract":"The technique of dynamic data masking when compared with traditional data masking allows due to modified database structure to give true or false credible data not for different type (data access level) of information system users but depending on the basis of the individual features of each user being attributed to the same class which is typical to the information systems oriented at credible contact of information system user and his client. Special attention is given to the problems of fast and efficient data masking mechanism implementation based on the peculiarities of information system usage.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130320986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525790
M. Brajović, M. Daković, L. Stanković
Sparse signal processing and the reconstruction of missing samples of signals exhibiting sparsity in a transform domain have been emerging research topics during the last decade. In this paper, we present the proof of the sparsity measure convexity, when considering the missing samples as minimization variables. The sparsity measure can be directly exploited in the reconstruction procedures, such as in the recently proposed gradient-based reconstruction algorithm. It makes the proof of sparsity measure convexity with respect to the missing samples as minimization variables especially interesting for signal processing. The minimal value of the sparsity measure corresponds to the set of missing sample values representing the sparsest possible solution, assuming that the reconstruction conditions are met. Convexity, along with recently presented proof of the uniqueness of the acquired solution, makes the gradient-based algorithm with missing samples as variables, a complete approach to the signal reconstruction. If the sparsity measure is convex, then we can guarantee that the solution corresponds to the global minimum of the sparsity measure, since the local minima do not exist in that case.
{"title":"Convexity of the ℓ1-norm based sparsity measure with respect to the missing samples as variables","authors":"M. Brajović, M. Daković, L. Stanković","doi":"10.1109/MECO.2016.7525790","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525790","url":null,"abstract":"Sparse signal processing and the reconstruction of missing samples of signals exhibiting sparsity in a transform domain have been emerging research topics during the last decade. In this paper, we present the proof of the sparsity measure convexity, when considering the missing samples as minimization variables. The sparsity measure can be directly exploited in the reconstruction procedures, such as in the recently proposed gradient-based reconstruction algorithm. It makes the proof of sparsity measure convexity with respect to the missing samples as minimization variables especially interesting for signal processing. The minimal value of the sparsity measure corresponds to the set of missing sample values representing the sparsest possible solution, assuming that the reconstruction conditions are met. Convexity, along with recently presented proof of the uniqueness of the acquired solution, makes the gradient-based algorithm with missing samples as variables, a complete approach to the signal reconstruction. If the sparsity measure is convex, then we can guarantee that the solution corresponds to the global minimum of the sparsity measure, since the local minima do not exist in that case.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125055805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525758
A. Ksendzov
A three-dimensional (3D) channel model for multiple-input multiple-output (MIMO) mobile communication system including field patterns of mutually uncoupled separated antennas is proposed. The model utilizes both geometrical and stochastic properties of propagation environment to describe fading correlation and simulate channel coefficients behavior over space and time. This approach gives more degrees of freedom in research and optimization of multi-element antenna (MEA) configuration on a mobile station surrounded by signal scatterers over all dimensions like an unmanned aerial vehicle (UAV).
{"title":"A three-dimensional mobile-to-mobile MIMO channel model including fading correlation and pattern diversity","authors":"A. Ksendzov","doi":"10.1109/MECO.2016.7525758","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525758","url":null,"abstract":"A three-dimensional (3D) channel model for multiple-input multiple-output (MIMO) mobile communication system including field patterns of mutually uncoupled separated antennas is proposed. The model utilizes both geometrical and stochastic properties of propagation environment to describe fading correlation and simulate channel coefficients behavior over space and time. This approach gives more degrees of freedom in research and optimization of multi-element antenna (MEA) configuration on a mobile station surrounded by signal scatterers over all dimensions like an unmanned aerial vehicle (UAV).","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122862126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525718
A. Roenko, V. Lukin, I. Djurović
In this paper, we analyze properties of the noise in the time-frequency representations. We show that time-frequency representations can be improved by denoising. However, the task and conditions in which noise removal should be performed are not typical for filter design. We demonstrate that leaked noise has specific statistics and spatial correlation characteristics. Some opportunities of denoising application to the considered practical situation are discussed and tested.
{"title":"Denoising for improving time-frequency representations","authors":"A. Roenko, V. Lukin, I. Djurović","doi":"10.1109/MECO.2016.7525718","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525718","url":null,"abstract":"In this paper, we analyze properties of the noise in the time-frequency representations. We show that time-frequency representations can be improved by denoising. However, the task and conditions in which noise removal should be performed are not typical for filter design. We demonstrate that leaked noise has specific statistics and spatial correlation characteristics. Some opportunities of denoising application to the considered practical situation are discussed and tested.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126275578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525706
A. Mohammed, S. Djurović
This paper investigates the thermal monitoring performance potential of fibre-optic (FO) thermal sensors embedded into the structure of random wound coils. The implications of FO sensor packaging and installation procedure on thermal monitoring performance are assessed on a prototype coil in a series of laboratory experiments in a controlled thermal ambient. It is shown that, while the procedure of embedding the FO sensor into the coil structure alters its operational characteristics to an extent, the resulting in-situ hot spot thermal monitoring provides a reliable output when benchmarked with conventional thermocouple measurements.
{"title":"Evaluation of fiber-optic sensing performance for embedded thermal monitoring of electric machinery wound components","authors":"A. Mohammed, S. Djurović","doi":"10.1109/MECO.2016.7525706","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525706","url":null,"abstract":"This paper investigates the thermal monitoring performance potential of fibre-optic (FO) thermal sensors embedded into the structure of random wound coils. The implications of FO sensor packaging and installation procedure on thermal monitoring performance are assessed on a prototype coil in a series of laboratory experiments in a controlled thermal ambient. It is shown that, while the procedure of embedding the FO sensor into the coil structure alters its operational characteristics to an extent, the resulting in-situ hot spot thermal monitoring provides a reliable output when benchmarked with conventional thermocouple measurements.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125095079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525771
Stanislav A. Goll, Sergey S. Luksha, Vladimir S. Leushkin, Alexandr G. Borisov
Local trajectory is the base of motion UGV and several algorithms used to calculate desired land robot path. A common approach is to use a 2-D grid based algorithm, such a well-known A*. But problems arise due to specific kinematic of ground vehicle and nonideal movement realisation. In this paper presented an approach to local trajectory planning on base 2-D passability map with considering UGV kinematic constrains and also errors in the implementation of the path, computed for UGV motion.
{"title":"Unmanned ground vehicle local trajectory planning algorithm","authors":"Stanislav A. Goll, Sergey S. Luksha, Vladimir S. Leushkin, Alexandr G. Borisov","doi":"10.1109/MECO.2016.7525771","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525771","url":null,"abstract":"Local trajectory is the base of motion UGV and several algorithms used to calculate desired land robot path. A common approach is to use a 2-D grid based algorithm, such a well-known A*. But problems arise due to specific kinematic of ground vehicle and nonideal movement realisation. In this paper presented an approach to local trajectory planning on base 2-D passability map with considering UGV kinematic constrains and also errors in the implementation of the path, computed for UGV motion.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127981329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525767
G. Breaban, Martijn Koedam, S. Stuijk, K. Goossens
The increasing number of applications implemented on modern vehicles leads to the use of multi-core platforms in the automotive field. As the number of I/O interfaces offered by these platforms is typically lower than the number of integrated applications, a solution is needed to provide access to the peripherals, such as the Controller Area Network (CAN), to all applications. Emulation and virtualization can be used to implement and share a CAN bus among multiple applications. In this article we present how multiple applications can share a CAN port, which can be on the local processor tile or on a remote tile. We evaluate our approach with four emulation and virtualization examples, trading the number of applications per core with the speed of the software emulated CAN bus.
{"title":"Virtualization and emulation of a CAN device on a Multi-Processor System on Chip","authors":"G. Breaban, Martijn Koedam, S. Stuijk, K. Goossens","doi":"10.1109/MECO.2016.7525767","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525767","url":null,"abstract":"The increasing number of applications implemented on modern vehicles leads to the use of multi-core platforms in the automotive field. As the number of I/O interfaces offered by these platforms is typically lower than the number of integrated applications, a solution is needed to provide access to the peripherals, such as the Controller Area Network (CAN), to all applications. Emulation and virtualization can be used to implement and share a CAN bus among multiple applications. In this article we present how multiple applications can share a CAN port, which can be on the local processor tile or on a remote tile. We evaluate our approach with four emulation and virtualization examples, trading the number of applications per core with the speed of the software emulated CAN bus.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127339370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525762
Almir Aljović, A. Badnjević, Lejla Gurbeta
This paper presents the results of a study developing artificial neural network system (ANN) for classification of Alzheimer's disease (AD) and healthy patients. The classification is done using biomarkers, from cerebrospinal fluid: albumin ratio (CSF/Serum and/or Plasma), Aβ40 (CSF), Aβ42 (CSF), tau-total (CSF) and tau-phospho (CSF). Neural network input parameters are datasets from Alzbiomarkers database. Independent t-test is used to calculate statistical difference between input parameters. Developed neural network was validated with 80 subjects from Alzbiomarkers database. Out of 45 AD subjects, 43 were correctly classified as AD patients, obtaining a sensitivity of 95.5%, and out of 35 healthy subjects 32 were correctly classified obtaining specificity of 91.43%.
{"title":"Artificial neural networks in the discrimination of Alzheimer's disease using biomarkers data","authors":"Almir Aljović, A. Badnjević, Lejla Gurbeta","doi":"10.1109/MECO.2016.7525762","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525762","url":null,"abstract":"This paper presents the results of a study developing artificial neural network system (ANN) for classification of Alzheimer's disease (AD) and healthy patients. The classification is done using biomarkers, from cerebrospinal fluid: albumin ratio (CSF/Serum and/or Plasma), Aβ40 (CSF), Aβ42 (CSF), tau-total (CSF) and tau-phospho (CSF). Neural network input parameters are datasets from Alzbiomarkers database. Independent t-test is used to calculate statistical difference between input parameters. Developed neural network was validated with 80 subjects from Alzbiomarkers database. Out of 45 AD subjects, 43 were correctly classified as AD patients, obtaining a sensitivity of 95.5%, and out of 35 healthy subjects 32 were correctly classified obtaining specificity of 91.43%.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133607095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525751
M. Stork
Chaos theory deals with nonlinear things those are effectively impossible to predict or control, like turbulence, weather, the stock market, our brain states, and so on. These phenomena are often described by fractal mathematics, which captures the infinite complexity of nature. Rotated systems like stars, rotating solids, electromagnetic particles etc. are very interesting because they can in some circumstances exhibit chaotic precession. In this paper the fractional control system with possible “rotation reversion” is described. This control system, with some parameters work like oscillator but for other parameters can be chaotic. Rotation reversion is similar of phase modulation. The behavior of fractional chaotic system with rotation reversion was simulated and results of simulations are presented. These results can be used in control applications where non-chaotic/chaotic behavior is desired.
{"title":"Controlled fractional system","authors":"M. Stork","doi":"10.1109/MECO.2016.7525751","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525751","url":null,"abstract":"Chaos theory deals with nonlinear things those are effectively impossible to predict or control, like turbulence, weather, the stock market, our brain states, and so on. These phenomena are often described by fractal mathematics, which captures the infinite complexity of nature. Rotated systems like stars, rotating solids, electromagnetic particles etc. are very interesting because they can in some circumstances exhibit chaotic precession. In this paper the fractional control system with possible “rotation reversion” is described. This control system, with some parameters work like oscillator but for other parameters can be chaotic. Rotation reversion is similar of phase modulation. The behavior of fractional chaotic system with rotation reversion was simulated and results of simulations are presented. These results can be used in control applications where non-chaotic/chaotic behavior is desired.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133373753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-06-12DOI: 10.1109/MECO.2016.7525742
S. Mosin
This paper is mainly focused on the task of design-for-testability (DFT) automation with emphasis on OBIST strategy for analog integrated circuits. The design procedures according to DFT flow are proposed. Three possible structural solutions for reconfiguration of original circuit into oscillator are considered. The set of rules for each solution is prepared as the formal procedures, which can support the automation during DFT flow. The experimental results for three cases demonstrate adequacy of oscillation frequency for revealing catastrophic and parametric faults.
{"title":"An approach to design-for-testability automation of analogue integrated circuits using OBIST strategy","authors":"S. Mosin","doi":"10.1109/MECO.2016.7525742","DOIUrl":"https://doi.org/10.1109/MECO.2016.7525742","url":null,"abstract":"This paper is mainly focused on the task of design-for-testability (DFT) automation with emphasis on OBIST strategy for analog integrated circuits. The design procedures according to DFT flow are proposed. Three possible structural solutions for reconfiguration of original circuit into oscillator are considered. The set of rules for each solution is prepared as the formal procedures, which can support the automation during DFT flow. The experimental results for three cases demonstrate adequacy of oscillation frequency for revealing catastrophic and parametric faults.","PeriodicalId":253666,"journal":{"name":"2016 5th Mediterranean Conference on Embedded Computing (MECO)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133332641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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