ITE Technical Report
Online ISSN : 2433-0914
Print ISSN : 0386-4227
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Volume 14, Issue 46
Displaying 1-9 of 9 articles from this issue
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  • [title in Japanese]
    Article type: Cover
    1990 Volume 14 Issue 46 Pages Cover1-
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_Cover1
    RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS
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  • [title in Japanese]
    Article type: Index
    1990 Volume 14 Issue 46 Pages Toc1-
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_Toc1
    RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS
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  • STANDARDIZATION OF AUDIOVISUAL SYSTEMS
    Makoto YAMASHITA, Sakae OKUBO
    Article type: Article
    1990 Volume 14 Issue 46 Pages 1-8
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_1
    RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS
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    Worldwide deployment of ISDN is providing a good opportunity for providing such audiovisual (AV) services as videoconferencing, videophone, audiographic conference. CCITT Study Group XV has been establishing a harmonized set of Recommendations far AV communication systems, cooperating with Study Groups I and VIII, and recently succeeded in producing five Recommendations; H.221, 230, 242, 261 and 320, This paper presents the framework for the AV Recommendations and outlines technical features of each Recommendation.
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  • 3D Facial Model Reproduction Method
    Yoshio NAGASHIMA, Hiroshi AGAWA, Fumio KISHINO
    Article type: Article
    1990 Volume 14 Issue 46 Pages 9-15
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_9
    RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS
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    This paper describes a three-dimensional face model reproduction method for the Virtual Space Teleconferencing System. In this method, 3D data of facial feature points are obtained from input stereo images by image processing method based on the color, the shape and correlation of face components. Using these 3D data, the prepared base face model is modified to approximate the input facial image. Facial images virtually viewed from different angles are reconstructed after modifying. In this method, it is possible to reconstruct a face model automatically and independent of facial image size and face tilting. Experimental results show that this method is very effective.
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  • Interactive Image Communication System Quick-CUICK"ISDN"
    Toshiaki ENDOH, Hisaharu KATO, Yasuhiro YAMAZAKI
    Article type: Article
    1990 Volume 14 Issue 46 Pages 17-24
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_17
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    In this paper, we introduce the interactive image communication system Quick-CUICK "ISDN" Firstly system configuration and basic functions are presented. This system is based on Personal computer and image processing unit. Second, we present the application of this system and the design of a suitable user interface. AGC(Audio graphic conference), image retrieval and remote monitor are available. Finally, we discuss the communication interface and protocol. This system has ISDN(2B + D), X.25 and X.32 interface. We introduce the new service elements for interactive image communication on application layer.
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  • A STUDY ON MEETING-PROGRESSING SERVICE
    Masami UJIIE
    Article type: Article
    1990 Volume 14 Issue 46 Pages 25-30
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_25
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    Office works are shared with office workers. In an office, a meeting is often held in order to interchange information or to discuss together with each other. In this paper, computer supported meeting-progressing functions are described. Based on user opinions, the minutes processing function, which deals with editing and confirming the minutes, and presentation supporting function are investigated.
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  • A Personal Multimedia-multipoint Teleconference System for Broadband ISDN
    Kazunori SHIMAMURA, Shigeki MASAKI, Hiroya TANIGAWA
    Article type: Article
    1990 Volume 14 Issue 46 Pages 31-36
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_31
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    A personal multimedia-multipoint teleconference system, PMTC, is described. PMTC allows teleconferences using full motion video, high quality voice, and graphics such as documents, still pictures, handwritten images and pointers, over a broadband ISDN (B-ISDN) . This paper discusses PMTC' s service concepts and system architecture, considering actual conference behavior of businessmen and their needs for conventional video teleconferences.
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  • A Study on PC based distributed multiparty desktop conferencing system
    Kazutoshi MAENO, Kazuo WATABE, Shiro SAKATA, Toyoko OHMORI, Hideyuki F ...
    Article type: Article
    1990 Volume 14 Issue 46 Pages 37-44
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_37
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    This paper describes a basic principle, called group communication architecture, which integrates a real-time conferencing service and a store and forward type office work support servive, such as electronic mail-service, document filing and retrieval (DFR) service, reservation service and schedule management service, from a view of supporting group cooperative work. And a prototype of distributed real-time multiparty desktop conferencing system which is based on the group communication architecture and efficientry cooperates with office work support services is described. This system is implemented by using IVD-LAN and OS/2-based PCs.
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  • [title in Japanese]
    Article type: Appendix
    1990 Volume 14 Issue 46 Pages App1-
    Published: September 14, 1990
    Released on J-STAGE: October 06, 2017
    DOIhttps://doi.org/10.11485/tvtr.14.46_App1
    RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS
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