ITE Technical Report
Online ISSN : 2424-1970
Print ISSN : 1342-6893
ISSN-L : 1342-6893
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21.58
Displaying 1-7 of 7 articles from this issue
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  • [title in Japanese]
    Article type: Cover
    Pages Cover1-
    Published: October 09, 1997
    Released on J-STAGE: June 23, 2017
    DOIhttps://doi.org/10.11485/itetr.21.58.0_Cover1
    CONFERENCE PROCEEDINGS FREE ACCESS
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  • [title in Japanese]
    Article type: Index
    Pages Toc1-
    Published: October 09, 1997
    Released on J-STAGE: June 23, 2017
    DOIhttps://doi.org/10.11485/itetr.21.58.0_Toc1
    CONFERENCE PROCEEDINGS FREE ACCESS
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  • A New Evaluation Scheme of Hard Disk for Video Application
    Hiroki Minami, Tatsuya Kurioka, Toshiyuki Fujisawa, Haruo Okuda, Junji ...
    Article type: Article
    Pages 1-8
    Published: October 09, 1997
    Released on J-STAGE: June 23, 2017
    DOIhttps://doi.org/10.11485/itetr.21.58.0_1
    CONFERENCE PROCEEDINGS FREE ACCESS
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    Hard disks are used as recording media for video signals. They are designed for computer storage, however, there are some problems of recording video signal to hard disk. We are developping video hard disk system that performs effecient recording/playback, with maintaining continuity for video applications. Hard disk evaluation tool for video application is necessary for accomplishing video hard disk system, because evaluation of hard disk performance by using conventional benchmark test cannot be done throughly. In this paper, we reports that we are able to develop evaluation tool capable of evaluating hard disk performance precisely for video applications and capable of aiding to design the system.
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  • Image Segmentation using Intensity and Color Information
    Yuichi Kanai
    Article type: Article
    Pages 9-16
    Published: October 09, 1997
    Released on J-STAGE: June 23, 2017
    DOIhttps://doi.org/10.11485/itetr.21.58.0_9
    CONFERENCE PROCEEDINGS FREE ACCESS
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    Image segmentation has become more and more important not only in the field of image processing but also the field of data compression. We introduce an advanced segmentation algorithm using color information as well as intensity information. Intensity based segmentation using morphological operators is very attractive, because they form flat zones which are useful for marker extraction. The HSV color space, which is one of the common spaces in color manipulation, is selected. The color similarity function is defined for calculating the distance between one color and another. Combining both kinds of information yields not only settlement of the problems but also robust and better segmentation results in terms of perception.
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  • Active Crosstalk Canceler for Simultaneous Playback
    Haruo Ohta, Hideaki Mita, Hiroshi Saitoh
    Article type: Article
    Pages 17-24
    Published: October 09, 1997
    Released on J-STAGE: June 23, 2017
    DOIhttps://doi.org/10.11485/itetr.21.58.0_17
    CONFERENCE PROCEEDINGS FREE ACCESS
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    In professional-use VCRs the simultaneous playback function reproducing while recording at the same time, is highly required to confirm recording conditions. So electromagnetic shields must be needed between recording signals and feeble reproduced signals on the rotating cylinder to suppress crosstalk interferences. In case of a small size rotating cylinder being utilized, however, it may be difficult to suppress the crosstalk sufficiently. To enable the simultaneous playback with a small cylinder, we developed a new signal processing technique called the active crosstalk canceler. The active crosstalk canceler suppress the interferences by subtracting artificial crosstalk signals produced by adaptive filters which are controlled by the LMS algorithm and newly developed tap rotation technique.
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  • Outline of DVD Specifications for Rewritable Disc (DVD-RAM)
    Takashi Ishida
    Article type: Article
    Pages 25-32
    Published: October 09, 1997
    Released on J-STAGE: June 23, 2017
    DOIhttps://doi.org/10.11485/itetr.21.58.0_25
    CONFERENCE PROCEEDINGS FREE ACCESS
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    The DVD Forum agreed format version 1.0 of a DVD-RAM with a 2.6GB storage capacity on a single side at the end of July, and started to issue the Format Book. The DVD-RAM format has superior expandability, reliability and compatibility and is more economic, as such features as : (1) Playback of DVD-RAM discs on current DVD-ROM drives is possible with a simple modification of their LSIs. (2) A dedicated cartridge physically protects data written to the DVD-RAM disc. Single-sided discs can be read with DVD-ROM drives by removing them from the cartridge.
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  • [title in Japanese]
    Article type: Appendix
    Pages App1-
    Published: October 09, 1997
    Released on J-STAGE: June 23, 2017
    DOIhttps://doi.org/10.11485/itetr.21.58.0_App1
    CONFERENCE PROCEEDINGS FREE ACCESS
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