Papers - YAMABA Hisaaki
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Performance Evaluation of Blockchain Based Agricultural Input Voucher System
Tende, Isakwisa Gaddy; Aburada, Kentaro; Yamaba, Hisaaki; Katayama, Tetsuro; Okazaki, Naonobu
10th IEEE Global Conference on Consumer Electronics, GCCE 2021 637 - 638 2021.10
Publishing type：Research paper (scientific journal)
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Study on an Evacuation Support System for Tsunami Disasters Using Low Power Wide Area Network
Karin Honda, Naonobu OKAZAKI, Hisaaki YAMABA, Kentaro ABURADA
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 199 - 211 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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On an Attempt at Application of Deep Learning to a User Authentication Method Using s-EMG
Hisaaki YAMABA, Kenya SHIRAISHI, Kentaro ABURADA, Naonobu OKAZAKI
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 193 - 197 2021.9
Authorship：Lead author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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A Proposal of CAPTCHA Using the Combination of Latin and Jawi Script
Hisaaki YAMABA, Ahmad Saiful Aqmal Bin Ahmad Sohaimi, Kentaro ABURADA, Naonobu OKAZAKI
宮崎大学工学部紀要 ( 50 ) 119 - 123 2021.9
Authorship：Lead author Language：English Publishing type：Research paper (bulletin of university, research institution)
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Improvements in a Dynamic CAPTCHA for Mobile Devices
Karin HONDA, Akane SHIIYA, Naonobu OKAZAKI, Hisaaki YAMABA, Kentaro ABURADA
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 187 - 191 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Development of Agricultural Work Record Management System Using Voice Input
Maria TAKEGUCHI, Kentaro ABURADA, Hisaaki YAMABA, Naonobu OKAZAKI
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 175 - 186 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Medical Data Management System Using Blockchain and Proxy Re-Encryption
Ryoma IKEDA, Naonobu OKAZAKI, Hisaaki YAMABA, Kentaro ABURADA
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 161 - 174 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Data Expansion Using GAN to Improve Malware Classification by CNN
Kaisei KAWABATA, Kentaro ABURADA, Hisaaki YAMABA, Naonobu OKAZAKI
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 155 - 159 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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On a Creation of a Barrier-free Map Using Accelerometers on Smartphones
Maria TAKEGUCHI, Daisuke HOSHIZAKI, Kentaro ABURADA, Hisaaki YAMABA, Naonobu OKAZAKI
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 149 - 153 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Infectious Disease Spreading Risk —Usage of Infection Data of Covid-19—
Kentaro KOIDA, Yuya KOZAKAI, Kayoko TAKATSUKA, Naonobu OKAZAKI, Hisaaki YAMABA, Kentaro ABURADA
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 143 - 147 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Study on Quantification of Quality Characteristics of Project Schedules
Ryoma IKEDA, Kazuki IMAMURA, Kayoko TAKATSUKA, Naonobu OKAZAKI, Hisaaki YAMABA, Kentaro ABURADA
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 137 - 141 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Parameter Optimization of OCSVM by GridSearchCV for Improving IoT Malware Detection Accuracy
Hiroki MURANAKA, Shuto GOTO, Kentaro ABURADA, Hisaaki YAMABA, Naonobu OKAZAKI
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 125 - 129 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Data Expansion Using Adversarial Examples to Improve the Accuracy of Intrusion Detection Systems
Kaisei KAWABATA, Kazuki KANEMARU, Kentaro ABURADA, Hisaaki YAMABA, Naonobu OKAZAKI
MEMOIRS OF THE FACULTY OF ENGINEERING UNIVERSITY OF MIYAZAKI ( 50 ) 131 - 135 2021.9
Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
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Proposal of Jawi CAPTCHA Using Digraphia Feature of the Malay Language Reviewed
Yamaba, Hisaaki, Sohaimi, Ahmad Saiful Aqmal Bin Ahmad, Usuzaki, Shotaro, Aburada, Kentaro, Mukunoki, Masayukia, Park, Mirangb, Okazaki, Naonobua
16th International Workshop on Security, IWSEC 2021 119 - 133 2021.9
Authorship：Lead author, Corresponding author Language：English Publishing type：Research paper (international conference proceedings)
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Proposal and evaluation for color constancy CAPTCHA Reviewed
Usuzaki S., Aburada K., Yamaba H., Katayama T., Mukunoki M., Park M., Okazaki N.
Artificial Life and Robotics 26 ( 3 ) 291 - 296 2021.8
Language：English Publishing type：Research paper (scientific journal) Publisher：Artificial Life and Robotics
CAPTCHAs are technologies that distinguish humans and bot to prevent illegal access. Unfortunately, current CAPTCHAs, even the latest Google reCAPTCHA, have already broken with high accuracy. Although the devices, including emphasizing the distortion of the text and adding noise to the image, improve the machine resistance, they may decrease the accessibility of the web page. The purpose of this study is to propose a new CAPTCHA that can decrease the machine resistance while keeping usability. To achieve this purpose, we focused on color constancy. Color constancy is a human’s characteristic that enables humans to recognize the original color of the object by ignoring the effects of illumination light. Color constancy has not been fully reproduced by the program yet. We proposed color constancy CAPTCHA that the user is required to answer an original color of the object in a specified area on the CAPTCHA image with a color filter. In this paper, we created a prototype of CAPTCHA, applied two kinds of color filters, and then evaluated each case for the human success rate, machine success rate, and usability.
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Measuring test suite reusability based on the usage frequency and coverage of reused test cases Reviewed
Saputra M.C., Katayama T., Kita Y., Yamaba H., Aburada K., Okazaki N.
Journal of Robotics, Networking and Artificial Life 8 ( 1 ) 24 - 28 2021.6
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of Robotics, Networking and Artificial Life
Test suite reusability measurement is important to obtain the value of reusability as the degree of effectiveness of reused test suite. The measurement in this experiment considers not only the frequency of the successful test suite to examine different objects but also the code coverage as the criteria of a good test suite. The combination of the frequency and code coverage in the measurement reports the current condition of test suite reusability. The research confirms the test suite reusability measurement provides useful information to know the degree of effectiveness of reused test suite, especially in regression testing and automated testing.
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Measuring redundancy score for test suite evaluation by using test cases matching approach Reviewed
Saputra M.C., Katayama T., Kita Y., Yamaba H., Aburada K., Okazaki N.
Journal of Robotics, Networking and Artificial Life 8 ( 1 ) 1 - 5 2021.6
Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Journal of Robotics, Networking and Artificial Life
Evaluating a test suite that contains redundant test cases is necessary to reduce the cost of testing. The redundant test cases exist when both of the two test cases are executed the same lines of code. This research evaluates the test suite by identifying redundant test cases. Exact match approach is used to investigate the redundant test cases in the test suite. The redundancy score is defined by redundancy formula which is calculated by dividing the number of redundant test cases by numbers of test cases in a test suite. The experiment uses two Java programs. The redundancy scores of the two test suites from each program are 0.37 and 0.67, respectively. It means 37% and 67% redundant test cases are included in the test suites. The redundancy score provides useful information to improve the efficiency of software testing, especially in testing other programs by reusing the same test suite such as regression testing and automated testing.
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Development and Evaluation of Swahili Text Based CAPTCHA Reviewed
Isakwisa Gaddy Tende, Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama, Naonobu Okazaki
IEEE 3rd Global Conference on Life Sciences and Technologies (LifeTech 2021) 297 - 301 2021.3
Language：English Publishing type：Research paper (international conference proceedings)
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Utilizing the similarity meaning of label in class cohesion calculation Reviewed
Priyambadha B., Katayama T., Kita Y., Yamaba H., Aburada K., Okazaki N.
Journal of Robotics, Networking and Artificial Life 7 ( 4 ) 270 - 274 2021.3
Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Robotics, Networking and Artificial Life
The cohesion is one of the design quality indicators in software engineering. The measurement of the value of cohesion is done by looking at the correlation between attributes and methods that are in a class. In Direct Distance Design Class Cohesion (D C ) metrics, attributes, and methods are assumed to have a good correlation if they have a similar type. But, the similarity of type parameters and attributes do not always indicate that these attributes are managed (correlated) in the method. This study is trying to gain information that can enhance the degree of certainty of a correlation between the methods and attributes. Relatedness between them has been seen from closeness the meaning of the name tag attribute, method, and parameters. The experimental results declared an increase in the value of cohesion produced in line with the similarity of meaning. 3 2
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Test Suite Reusability Measurement Based on Uses Frequently and Coverage of Reused Test Cases
Chandra Saputra Mochamad, Katayama Tetsuro, Kita Yoshihiro, Yamaba Hisaaki, Aburada Kentaro, Okazaki Naonobu
人工生命とロボットに関する国際会議予稿集 26 344 - 347 2021.1
Language：English Publishing type：Research paper (scientific journal) Publisher：株式会社ALife Robotics
Reusability of a test suite is one of important factors to decrease the cost in software testing. This research defines and measures the test suite reusability score expressed with the degree of reusability of the test suite. It is calculated by considering both frequency and code coverage of successful reused test cases in the test suite. Test suite reusability measurement provides useful information to improve the efficiency of software testing, especially in regression testing and automated testing.