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IEE Colloquium on Applications of Motion Compensation

8 Oct 1990

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Displaying Results 1 - 9 of 9
  • Motion compensated field rate conversion

    Publication Year: 1990, Page(s):8/1 - 8/6
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (340 KB)

    Describes experimental real time hardware built to increase the field rate of a television display in order to reduce the large area flicker. This work was carried out in conjunction with the BBC as part of the EUREKA high definition television project. High definition television systems are designed to provide high quality pictures on large, bright wide screen displays. Under these conditions the... View full abstract»

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  • Moving object detection and motion estimation

    Publication Year: 1990, Page(s):5/1 - 5/6
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (340 KB)

    The use of motion compensation in video coders is becoming widespread, particularly with the introduction of the new CCITT Recommendation H.261 for videophone codecs, which incorporates motion compensation. The paper describes a technique for tracking the outline of an object. The process involves computing the motion of the outline vertices from frame to frame. The technique is being applied in a... View full abstract»

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  • Real time implementation of subpixel motion estimation for broadcast applications

    Publication Year: 1990, Page(s):7/1 - 7/3
    Cited by:  Patents (24)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (120 KB)

    Future development in areas such as digital television transmission using data compression techniques, television standards conversion or video noise reduction depends highly on the inclusion of accurate motion vector information in the process. The motion vector field resulting from estimation with a translation model are horizontal and vertical displacement vectors which describe how each pixel ... View full abstract»

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  • Motion compensation techniques in image sequence coding

    Publication Year: 1990, Page(s):4/1 - 4/3
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (188 KB)

    Motion compensation nowadays plays an important role in image sequence coding, especially in low bit-rate image sequence coding such as video telephone and high definition TV. A number of motion estimation algorithms have been developed and can be roughly categorized as differential, pel-recursive, or block matching algorithms. These algorithms must, of course, be aided by some coding scheme to re... View full abstract»

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  • Image registration algorithms

    Publication Year: 1990, Page(s):2/1 - 2/4
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (184 KB)

    Considers the development and evaluation of real-time image processing algorithms capable of measuring, to sub-pixel accuracy, the displacement between images subjected to simultaneous translation and rotation. The techniques could have a number of applications, for example, in stabilising imagery recorded from vibrating platforms or in the data compression of moving imagery. The following classes... View full abstract»

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  • A hardware motion compensator for a videoconferencing codec

    Publication Year: 1990, Page(s):6/1 - 6/5
    Cited by:  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (260 KB)

    In December 1984 a CCITT specialists group was formed to standardise video coding at rates between 384 and 2048 kbit/s for video telephony. After much computer simulation work in many countries a combination of interframe prediction and hybrid transform coding was chosen for further investigation with real-time hardware. Several organisations in Europe, Japan and the USA began construction of flex... View full abstract»

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  • IEE Colloquium on `Applications of Motion Compensation' (Digest No.128)

    Publication Year: 1990
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (176 KB)

    The following topics were dealt with: motion estimation and compensation; image registration algorithms; hierarchical motion estimator for interframe coding; image sequence coding; moving object detection; hardware motion compensator for videoconferencing codec; real time implementation of subpixel motion estimation for TV broadcasting; and motion compensated field rate conversion View full abstract»

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  • A hierarchical motion estimator for interframe coding

    Publication Year: 1990, Page(s):3/1 - 3/6
    Cited by:  Papers (2)  |  Patents (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (376 KB)

    Describes an improved motion estimation method for low bit rate image coding. The phase correlation method is employed as a front-end motion estimator to a hierarchical block search scheme which provides accurate motion vectors with a large tracking range in noisy environments. To overcome residual motion vector errors, it is envisaged that in future extensions of the algorithm, the assumption wil... View full abstract»

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  • Basic principles of motion estimation and compensation

    Publication Year: 1990, Page(s):1/1 - 1/7
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (440 KB)

    Reviews the development of motion estimation and compensation techniques in the context of efficient image coding and display and mentions typical application areas. By and large, there has been relatively little work reported on the problem of general motion, involving rotation and scale change, and the assumption of simple translation only has been widely invoked. Other areas relevant to the pre... View full abstract»

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