Abstract
The Video Response System (VRS) with which the Nippon Telegraph and Telephone Public Corporation (NTT) is now experimenting is a public visual information service using home TV sets as described by Nakajima (1977), The VRS stores visual information in a large capacity video store. The stored video information is converted into a TV signal by using a video codec and is temporarily stored in the video frame memory (Figure 1). The TV signal is read out of the video frame memory at a rate of 30 frames/sec and is transmitted to a subscriber’s video adapter through a video transmission line. Among the most important factors in the VRS is the video store and the visual information stored therein.
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References
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© 1981 Plenum Press, New York
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Kamae, T., Hoshino, T., Okada, M., Nagura, M. (1981). Interactive Techniques for Producing and Encoding Color Graphics. In: Onoe, M., Preston, K., Rosenfeld, A. (eds) Real-Time Parallel Computing. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3893-2_19
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DOI: https://doi.org/10.1007/978-1-4684-3893-2_19
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4684-3895-6
Online ISBN: 978-1-4684-3893-2
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