THE BULLETIN OF NATIONAL INSTITUTE of TECHNOLOGY, KISARAZU COLLEGE
Online ISSN : 2188-921X
Print ISSN : 2188-9201
ISSN-L : 0285-7901
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Volume 53
Displaying 1-16 of 16 articles from this issue
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Original Papers
  • An Attempt to improve Teaching Efficiency in English Class by the Introduction of Active-Learning-Based Instruction
    Kenji OZAWA
    2020 Volume 53 Pages 1-7
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_1
    RESEARCH REPORT / TECHNICAL REPORT OPEN ACCESS
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    The author had used grammar translation method in teaching English in lower grades at NIT, Kisarazu College for about 30 years. But the situation of students in class has changed dramatically in recent years. For example, quite a few students begin to fall asleep in class if they are not warned. Therefore, the author attempted to introduce active-learning-based instruction to make the class active and to improve teaching efficiency. As a result, students study English much harder and much more now. In this paper, based on the results of the students' questionnaire and from the viewpoint of the teacher (the author), the effectiveness of the active-learningbased instruction is explained. It may be difficult for us to change the way of teaching, but we need to keep on improving it.
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  • A Study on the Boarders' Consciousness of their Daily Life and Facilities of the Dorm -from the Result of a Questionnaire Survey-
    Tetsuya SEINO, Tomoya FUKUSHI, Taishi KURAHASHI, Yoichi WAKABA
    2020 Volume 53 Pages 9-24
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_9
    RESEARCH REPORT / TECHNICAL REPORT OPEN ACCESS
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    It's been over thirty years since we set the divided group life system into the dorm. During this period, as the Information Technology develops, many things have changed and sometimes students do undesirable actions that are beyond our imagination. To capture the situations in the dorm, we conducted a questionnaire survey on their daily life. This paper shows the following things: how they spend their daily life, how they build their connections with other students, what they think about facilities of the dorm and so on.
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  • About Hatta Yoichi's Memorial Service
    Genjiro TAKENAGA, Masahiro YAMASHITA
    2020 Volume 53 Pages 25-29
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_25
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    Memorial service of Hatta Yoichi is held every year in Usanto dam on May 8 of the anniversary of a death of Hatta since 1943. The sponsor is Chianan Irrigation Association. This organization is in charge of the dam and the supply of water facilities in the local area. In this year it was held a lot of attendants including Mayor of Tainan and Mayor of Kanazawa, grandson of Yoichi, Mr. Hatta Shunichi and Hatta family. This indicates Taiwanese great gratitude to him. People feeling to him in Taiwan is consistent after the World War II. After the War, Japan was being blamed severely in Taiwan. It was difficult to praise a Japanese in an official occasion. Nevertheless Hatta Yoichi was an exception. Usanto dam concerned expressed respect about him to Japanese who visited this place from 1950's. Now Taiwanese likes him across a political party.
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  • A Report from the Organizers' Point of View From the Results of the Organized Session "An AL Chat: Let's Discuss the Ideal Way in Each Subject" at the 2019 National Forum for Colleges of Technology
    Michiharu SUZUKI, Satoshi YAMASHITA, Kenji OZAWA, Tatsuhiko KATO
    2020 Volume 53 Pages 31-36
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_31
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    The authors moderated the organized sessions on active learning at the National Forum for Colleges of Technology in 2017, 2018 and 2019. We had guest speakers who are practicing active learning, exchanged information in a world cafe style, and conducted a survey at the end of each session. In the 2019 Forum, the authors or moderators divided the time into first and second part, grouped the participants by specialty, and let them exchanged information and share the issues. From the result of questionnaire conducted at the end of the session, it was made clear that our session is useful for new or inexperienced teachers and that examples of active learning are important.
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  • The Practice of Acitive Learning at NIT, Kisarazu College (5)
    -Reflection at the end of every class and its effects-
    Michiharu SUZUKI
    2020 Volume 53 Pages 37-40
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_37
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    I introduced a certain method of reflection last year and showed that the method was really effective and simple. I call this "wear two hats" method, which is describing the procedure toward the solution as if they explain it to their "virtual" friend. In this paper, I add the result of this year. According to the result, we recognize that some students have enough abilities concerning general writing skills, including mathematical writing.
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  • Proposal and Evaluation of Malware Detection Method for a Compressed Packet to Improve IoT Security
    Yoichi WAKABA
    2020 Volume 53 Pages 41-45
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_41
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    This paper proposes a new malware detection method for a LZ compressed packet in NIDS. In this method, NIDS first inspects a compressed packet roughly, and selects a packet that is possibility of malware, that is like screening test. Subsequently, NIDS decompresses only the selected packet and inspects it exactly. Evaluation results show that this method is not practical for original LZ compression. Hence, this paper also denotes LZ based compression method which is suitable the proposed method. Re-evaluation results show that the proposed method archives 240% speed up proportion to the existing method by sacrificing compression size. It is expected that the proposed method contributes to compression as a new option.
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  • Proposal and Validation of Quartet Learning
    Shinichi Oeda, Shuhei Wada
    2020 Volume 53 Pages 47-49
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_47
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    We proposed quartet learning with four students with the first and second grade student. The quartet tackles together problems which are made by teachers. At this time, it is expected that working with the quartet is more effective than working each student. This paper introduces a quartet learning one of the collaboration learnings. To verify the effectiveness, a questionnaire survey was conducted.
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  • Introduction of Pair-programming for Basic Programming Education
    Shinichi Oeda
    2020 Volume 53 Pages 51-54
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_51
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    Pair-programming is a method in which two programmers are paired together and to develop software on a single PC. Pair-programming is one of the methods of software development, and it can be used to educate programmers since it has the aspect of promoting knowledge sharing between pairs. Therefore, we tried to incorporate pair-programming into the programming class. This paper introduces an example of pair-programming as a method for effective learning for beginners in programming. To verify the effectiveness, a questionnaire survey was conducted.
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  • A Modeling of Noise Perception Characteristics Affected by the Pixel Density
    Suguru KOMORI, Hiroyuki WASAKI
    2020 Volume 53 Pages 55-60
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_55
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    The image processing based on human visual characteristics is effective for the appearance of images and it is researched by many researchers. Nonaka1) created the noise reduction algorithm based on human visual characteristics that noise on the edge is difficult to see. This algorithm can remove noise while suppress the image quality degradation. And Ishihara2) revealed spatial-frequency characteristic of human visual is anisotropic using subjective evaluation.
    On the other hand, some display have wide variety of display area size and pixel density. For example, a smartphone's pixel density is higher than TV's. Because a smartphone's viewing distance is short, it is sensitive to differences in image quality. Thus, the image quality is related viewing distance and pixel density.
    In this research, the relationship between angular pixel density and noise perception with subjective evaluation was investigated and modeled.
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  • A study of removing the reflection light from the film covering photo album page
    Takumi YASUDA, Hiroyuki WASAKI
    2020 Volume 53 Pages 61-67
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_61
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    The purpose of this study is to remove the disturbing areas of the scanned image. Each disturbing area is generated by superimposing the light reflected by the cover film of the photo album and increasing the brightness. In the proposed method, the disturbing areas are detected using two images scanned from different directions. The restoring of the disturbing area is performed by extracting the area from the image that is not the disturbing area and performing interpolation. It was confirmed that the proposed method is effective in detecting and restoring the disturbing area by the verification experiments.
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Notes
  • On Social Skills Training
    Hidehiko ARAKI
    2020 Volume 53 Pages 83-88
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_83
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    Social skills are the behaviors, verbal and non-verbal, that we use to communicate effectively with other people. "Social Skills Training"(SST) is a type of psychotherapy that works to help people improve their social skills so that they can become socially competent. At the Consultation Office, social skills training had been conducted by the counselor for students who have received counseling since 2012. Last year, regular SST programs were conducted by off-campus experts. Therefore, we reviewed and verified the existing SST programs so that more effective SST can be implemented in the future.
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  • Signal Reconstruction using Cardinal Basis Spline Function of Third-order
    Akio SEKIGUCHI
    2020 Volume 53 Pages 89-92
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_89
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    Cardinal basis spline functions of second-order and third-order was clearly denoted, in order to encourage its recognition and new applications in the future. The basis function of infinite-order, which is known as the sampling function sinc(t), is used for the perfect reconstruction of the original signal from its periodically-sampled signal, based on the sampling theorem. By using the basis function of second-order or third-order as substitute for the sinc(t), we can reconstruct a continuous signal with frequently required smoothness of C1 or C2 continuity, under smaller amount of calculation. The reconstructed signals are also denoted in matrix forms of their polynomial equation, respectively.
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  • Trial survey of students' attitudes and learning anxieties at the beginning of 4th grade in KOSEN
    Tateki ISHII
    2020 Volume 53 Pages 93-98
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_93
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    In recent years, the public awareness of KOSEN in the industry has improved, and active recruiting companies have also increased. On the other hand, I feel that the number of negative students has increased in our college. At the beginning of the first semester, I planned to survey the attitudes and learning anxieties of our class students. Based on extract from the surveys, this paper shows recent trends of students' attitude and learning anxiety factors at the beginning of 4th grade in KOSEN.
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  • Suggestion of a simple fish passes using chains
    Masaaki ISHIKAWA
    2020 Volume 53 Pages 99-102
    Published: 2020
    Released on J-STAGE: April 01, 2020
    DOIhttps://doi.org/10.19025/bnitk.53.0_99
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    Fish passes are structures constructed on artificial barriers that facilitate for the natural migration of diadromous fishes. In this study, we propose a simple fish passes using chains, it's called Chains Fish Passes. Chains Fish Passes arranged chains in a flow direction. We carried out interior observation experiments. We confirmed that the improvement of the going upstream efficiency of fishes in the chains fish passes.
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Research Achievements
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