Pub Date : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158111
Chayakorn Prasertseree, W. Pora
A Whole Sky Imager (WSI) has a single camera to take photos of the cloud from the ground. It can provide only the cloud cover index and cloud direction. It cannot give out the cloud base height or speed. In this paper, a pair of WSI is synchronized to capture stereo images. We propose a new rectification technique that is a part of WSI-installation which directly effects Cloud Base Height estimation. the semi-global matching technique is proposed to find matching points on both images. Triangulation can then yield the distance of the cloud base. Calibration and testing of the proposed system are done by comparing the distances of known buildings estimated by our analysis with the distances obtained by Google Maps. The average errors are about 4% for targets in the range of 150m, and 15% for targets in the range of 1km.
{"title":"New Rectification Technique for Cloud Base Height Estimation Base on Stereo Cameras","authors":"Chayakorn Prasertseree, W. Pora","doi":"10.1109/ecti-con49241.2020.9158111","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158111","url":null,"abstract":"A Whole Sky Imager (WSI) has a single camera to take photos of the cloud from the ground. It can provide only the cloud cover index and cloud direction. It cannot give out the cloud base height or speed. In this paper, a pair of WSI is synchronized to capture stereo images. We propose a new rectification technique that is a part of WSI-installation which directly effects Cloud Base Height estimation. the semi-global matching technique is proposed to find matching points on both images. Triangulation can then yield the distance of the cloud base. Calibration and testing of the proposed system are done by comparing the distances of known buildings estimated by our analysis with the distances obtained by Google Maps. The average errors are about 4% for targets in the range of 150m, and 15% for targets in the range of 1km.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"149 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121358149","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158056
{"title":"About ECTI-CON 2020","authors":"","doi":"10.1109/ecti-con49241.2020.9158056","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158056","url":null,"abstract":"","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116469577","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158131
Chatrin Phunruangsakao, Phrimphissa Kraikhun, Suradej Duangpummet, Jessada Karnjana, M. Unoki, W. Kongprawechnon
Speech transmission index (STI) is an objective measurement of speech transmission quality and is used to predict the speech intelligibility. STI is also highly related with listening difficulty and is a function of room impulse response (RIR). RIR is regarded as the transfer function between the sound source and the sound receiver, and is generally unknown and non-static. This paper proposes a scheme to limit the STI to ensure speech privacy by utilizing proportional-integral- derivative (PID) control with estimated STI as the feedback value. The scheme bypasses the measuring of RIR of the environment where the conversation is being carried out, and uses a STI- estimation method and a RIR model to ensure speech privacy. The scheme manipulates the speech signal in the way that its STI has the value of 0.3 or in an unintelligible band. The STI is limited by controlling one parameter of the RIR model by using a PID controller. The performance of the scheme is evaluated through objective and subjective tests. The results indicate that the scheme is able to provide speech privacy with an average error between the actual and target STIs of 0.01.
{"title":"Speech Privacy Protection based on Controlling Estimated Speech Transmission Index","authors":"Chatrin Phunruangsakao, Phrimphissa Kraikhun, Suradej Duangpummet, Jessada Karnjana, M. Unoki, W. Kongprawechnon","doi":"10.1109/ecti-con49241.2020.9158131","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158131","url":null,"abstract":"Speech transmission index (STI) is an objective measurement of speech transmission quality and is used to predict the speech intelligibility. STI is also highly related with listening difficulty and is a function of room impulse response (RIR). RIR is regarded as the transfer function between the sound source and the sound receiver, and is generally unknown and non-static. This paper proposes a scheme to limit the STI to ensure speech privacy by utilizing proportional-integral- derivative (PID) control with estimated STI as the feedback value. The scheme bypasses the measuring of RIR of the environment where the conversation is being carried out, and uses a STI- estimation method and a RIR model to ensure speech privacy. The scheme manipulates the speech signal in the way that its STI has the value of 0.3 or in an unintelligible band. The STI is limited by controlling one parameter of the RIR model by using a PID controller. The performance of the scheme is evaluated through objective and subjective tests. The results indicate that the scheme is able to provide speech privacy with an average error between the actual and target STIs of 0.01.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114745677","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}
Autonomous parking system is essential in reducing time for waiting to park in the parking spaces or looking for space, particularly in the smart city. We propose the auto-parking car simulation framework using proximal policy optimization (PPO) for deep reinforcement learning in a moderately complex parking scenario which comprises basic and challenging zones for parking. Different configurations are explored including sparse and dense rewards combining with checkpoints, orientation reward and stay-in-collision punishment. It shows high success parking rate in a basic parking zone up to at more than 95%. For the more difficult parking zone, the model works better when each zone is trained separately.
{"title":"Self-Parking Car Simulation using Reinforcement Learning Approach for Moderate Complexity Parking Scenario","authors":"Baramee Thunyapoo, Chatree Ratchadakorntham, Punnarai Siricharoen, Wittawin Susutti","doi":"10.1109/ecti-con49241.2020.9158298","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158298","url":null,"abstract":"Autonomous parking system is essential in reducing time for waiting to park in the parking spaces or looking for space, particularly in the smart city. We propose the auto-parking car simulation framework using proximal policy optimization (PPO) for deep reinforcement learning in a moderately complex parking scenario which comprises basic and challenging zones for parking. Different configurations are explored including sparse and dense rewards combining with checkpoints, orientation reward and stay-in-collision punishment. It shows high success parking rate in a basic parking zone up to at more than 95%. For the more difficult parking zone, the model works better when each zone is trained separately.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124449287","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158279
Chan-eun Park, P. Park
In this paper, we consider ${mathcal{H}_infty }$admissibility of singular stochastic systems with Markovian switching (SSMS) with partly unknown transition rates (PUTR). Until now, ${mathcal{H}_infty }$admissibility condition for SSMS have been studied for the limited cases: 1) SSMS which do not have a path from disturbances to the desired output, 2) the sufficient condition for the general SSMS. On the other hand, the authors successfully obtain the equivalent condition of ${mathcal{H}_infty }$admissibility criterion for SSMSs by introducing two slack variables. Also, because the proposed condition is expressed in terms of convex condition, i.e., linear matrix inequalities (LMIs), the result can be used to find the optimal ${mathcal{H}_infty }$performance even though the information about the transition rates is limited.
{"title":"H∞ Admissibility of Singular Stochastic Systems with Markovian Switching and Partly Unknown Transition Rates","authors":"Chan-eun Park, P. Park","doi":"10.1109/ecti-con49241.2020.9158279","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158279","url":null,"abstract":"In this paper, we consider ${mathcal{H}_infty }$admissibility of singular stochastic systems with Markovian switching (SSMS) with partly unknown transition rates (PUTR). Until now, ${mathcal{H}_infty }$admissibility condition for SSMS have been studied for the limited cases: 1) SSMS which do not have a path from disturbances to the desired output, 2) the sufficient condition for the general SSMS. On the other hand, the authors successfully obtain the equivalent condition of ${mathcal{H}_infty }$admissibility criterion for SSMSs by introducing two slack variables. Also, because the proposed condition is expressed in terms of convex condition, i.e., linear matrix inequalities (LMIs), the result can be used to find the optimal ${mathcal{H}_infty }$performance even though the information about the transition rates is limited.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"2252 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130225833","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158291
Kanyanut Homsapaya, Kridsada Budsara
The challenge of the growth of the aging society is causing a critical economic burden that is affecting the gross domestic product of many countries. Normally, recruiters for information technology employment face the problem of matching appropriate candidates with available positions as they may have insufficient knowledge to determine whether candidate profiles are suitable. The requirements and demand for jobs may not be enough to advance the situation while matching skills and competence with job descriptions often preclude older candidates. This research is supported by the Thai Gerontology Research and Development Institute (TGRI). Herein, we present a solution involving data mart modeling and machine learning. In the data mart modeling, an extract, transform, and load (ETL) process that pulls data into a data mart (star schema) and then applies distance measures to calculate matching. Historical records of both the companies and older job seekers are kept in the data mart to understand behavior and keep track of data. Moreover, we collect disease information and map to ICD-10 code. This can help employers to find appropriate job seekers related to their skill sets and limitation of disease. We treat their skills as terms and employment positions as documents and then calculate the ranking of each job profile. The results show that the outcomes garnered from the distance measures are consistent and creditable.
{"title":"Machine Learning for Older Jobseeker and Employment Matching","authors":"Kanyanut Homsapaya, Kridsada Budsara","doi":"10.1109/ecti-con49241.2020.9158291","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158291","url":null,"abstract":"The challenge of the growth of the aging society is causing a critical economic burden that is affecting the gross domestic product of many countries. Normally, recruiters for information technology employment face the problem of matching appropriate candidates with available positions as they may have insufficient knowledge to determine whether candidate profiles are suitable. The requirements and demand for jobs may not be enough to advance the situation while matching skills and competence with job descriptions often preclude older candidates. This research is supported by the Thai Gerontology Research and Development Institute (TGRI). Herein, we present a solution involving data mart modeling and machine learning. In the data mart modeling, an extract, transform, and load (ETL) process that pulls data into a data mart (star schema) and then applies distance measures to calculate matching. Historical records of both the companies and older job seekers are kept in the data mart to understand behavior and keep track of data. Moreover, we collect disease information and map to ICD-10 code. This can help employers to find appropriate job seekers related to their skill sets and limitation of disease. We treat their skills as terms and employment positions as documents and then calculate the ranking of each job profile. The results show that the outcomes garnered from the distance measures are consistent and creditable.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131108078","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158289
Veeraya Imcharoenkul, S. Chaitusaney
This paper proposes a method to determine the optimal renewable energy (RE) integration in the electrical system considering the minimization of dispatchable generation operating costs. The RE generation consists of solar and wind generation while the conventional generation, which is considered as the dispatchable generation, consists of natural gas combined-cycle and coal thermal generation. In the analysis, a unit commitment is executed based on the operating costs, i.e. variable costs and load following costs of the dispatchable generation. Moreover, the proposed method is aimed to accommodate the electricity demand with the consideration of generation characteristics such as minimum generation, ramp rate, minimum uptime and minimum downtime. The result shows that the optimal renewable energy integration is at 40% of the total electricity demand. Beyond the optimal level, the dispatchable generation operating costs tend to be higher because of the RE compensation operation.
{"title":"Optimal Renewable Energy Integration Considering Minimum Dispatchable Generation Operating Costs","authors":"Veeraya Imcharoenkul, S. Chaitusaney","doi":"10.1109/ecti-con49241.2020.9158289","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158289","url":null,"abstract":"This paper proposes a method to determine the optimal renewable energy (RE) integration in the electrical system considering the minimization of dispatchable generation operating costs. The RE generation consists of solar and wind generation while the conventional generation, which is considered as the dispatchable generation, consists of natural gas combined-cycle and coal thermal generation. In the analysis, a unit commitment is executed based on the operating costs, i.e. variable costs and load following costs of the dispatchable generation. Moreover, the proposed method is aimed to accommodate the electricity demand with the consideration of generation characteristics such as minimum generation, ramp rate, minimum uptime and minimum downtime. The result shows that the optimal renewable energy integration is at 40% of the total electricity demand. Beyond the optimal level, the dispatchable generation operating costs tend to be higher because of the RE compensation operation.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134473370","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158264
Surakarn Duangphasuk, P. Duangphasuk, Chalee Thammarat
At the present time, electronic transactions are developing rapidly and widely. It is a kind of information technology that it has been increasingly popular. People can make electronic transactions from home, at anytime from anywhere. This is to conserve time in travel costs and to assist convenience its use. In electronic transactions, how to make ensure all parties that any party gains any advantage over the other party. Fair exchange is the solution to resolve this the issue. This paper proposes a brief review the field of fair exchange protocols for electronic transactions currently. The study research presents a survey of existing fair exchange protocol. The content in this review of fair exchange protocol consists of the application of fair exchange protocol, types of trusted third party (TTP) for fair exchange protocol, types of the use of TTP for fair exchange protocol. And finally, this paper illustrated that these method types are compared with existing fair exchange protocol and challenge in developing a fair exchange protocol. The conclusion shown that the best sub-type is offline TTP which is not involved in the exchange phase, also it is low load TTP, high efficiency, decreased source of failure and attack.
{"title":"Fair Exchange Protocol in Electronic Transactions Revisited","authors":"Surakarn Duangphasuk, P. Duangphasuk, Chalee Thammarat","doi":"10.1109/ecti-con49241.2020.9158264","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158264","url":null,"abstract":"At the present time, electronic transactions are developing rapidly and widely. It is a kind of information technology that it has been increasingly popular. People can make electronic transactions from home, at anytime from anywhere. This is to conserve time in travel costs and to assist convenience its use. In electronic transactions, how to make ensure all parties that any party gains any advantage over the other party. Fair exchange is the solution to resolve this the issue. This paper proposes a brief review the field of fair exchange protocols for electronic transactions currently. The study research presents a survey of existing fair exchange protocol. The content in this review of fair exchange protocol consists of the application of fair exchange protocol, types of trusted third party (TTP) for fair exchange protocol, types of the use of TTP for fair exchange protocol. And finally, this paper illustrated that these method types are compared with existing fair exchange protocol and challenge in developing a fair exchange protocol. The conclusion shown that the best sub-type is offline TTP which is not involved in the exchange phase, also it is low load TTP, high efficiency, decreased source of failure and attack.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124369171","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158064
Wiphoo Methachawalit, P. Chongstitvatana
This paper reports the experiments on IBM quantum devices. We design an adder circuit based on Thomas G. Draper proposal. This circuit is a part of a general circuit to build Shor prime number factorization algorithm. We perform the experiments on three IBM quantum devices. The result of the experiment shows that on IBM Essex device, the best possible adder for one qubits has 100% accuracy. However, the results for two qubits adder circuit are much worse. The details analysis of the accuracy of three IBM devices are reported.
本文报道了在IBM量子器件上的实验。基于Thomas G. Draper的方案设计了一个加法器电路。该电路是构建肖尔素数分解算法的通用电路的一部分。我们在三个IBM量子设备上进行了实验。实验结果表明，在IBM Essex设备上，一个量子位的最佳加法器具有100%的准确率。然而，双量子位加法器电路的结果要差得多。对三种IBM器件的精度进行了详细分析。
{"title":"Adder Circuit on IBM Universal Quantum Computers","authors":"Wiphoo Methachawalit, P. Chongstitvatana","doi":"10.1109/ecti-con49241.2020.9158064","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158064","url":null,"abstract":"This paper reports the experiments on IBM quantum devices. We design an adder circuit based on Thomas G. Draper proposal. This circuit is a part of a general circuit to build Shor prime number factorization algorithm. We perform the experiments on three IBM quantum devices. The result of the experiment shows that on IBM Essex device, the best possible adder for one qubits has 100% accuracy. However, the results for two qubits adder circuit are much worse. The details analysis of the accuracy of three IBM devices are reported.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129760310","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 : 2020-06-01DOI: 10.1109/ecti-con49241.2020.9158316
W. Loedwassana
In another way of a variable step-size adaptive algorithm for an adaptive IIR notch filter, it is proposed in this paper. For the proposed algorithm, the step-size parameter will be adapted based on error autocorrelation criterion governed by gradient accumulation function. With such a scheme, the algorithm is insensitive in several SNR input environments in order that it provides high convergent rate in transient phase and low bias level in steady phase. The simulation results have shown that the proposed algorithm has excellent performance in individual SNR environment.
{"title":"Adaptive IIR Notch Filter with Variable Step Size Plain Gradient Algorithm based on Error Correlation governed by Gradient Accumulation","authors":"W. Loedwassana","doi":"10.1109/ecti-con49241.2020.9158316","DOIUrl":"https://doi.org/10.1109/ecti-con49241.2020.9158316","url":null,"abstract":"In another way of a variable step-size adaptive algorithm for an adaptive IIR notch filter, it is proposed in this paper. For the proposed algorithm, the step-size parameter will be adapted based on error autocorrelation criterion governed by gradient accumulation function. With such a scheme, the algorithm is insensitive in several SNR input environments in order that it provides high convergent rate in transient phase and low bias level in steady phase. The simulation results have shown that the proposed algorithm has excellent performance in individual SNR environment.","PeriodicalId":371552,"journal":{"name":"2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127116429","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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