MOVING PICTURE DATA ENCODING METHOD, DECODING METHOD, TERMINAL DEVICE FOR EXECUTING THEM, AND BI-DIRECTIONAL INTERACTIVE SYSTEM

MOVING PICTURE DATA ENCODING METHOD, DECODING METHOD, TERMINAL DEVICE FOR EXECUTING THEM, AND BI-DIRECTIONAL INTERACTIVE SYSTEM

This invention relates to a coding method for motion-image data and others effective in a special interactive environment for transmitting motion-image data with information concentrated on only a partial region of a display image as in a two-way interactive system implementing real-time two-way int...

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Hauptverfasser: KIYA, HITOSHI, HATA, YOICHI, KAKII, TOSHIAKI, MAKI, HISAO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator KIYA, HITOSHI
HATA, YOICHI
KAKII, TOSHIAKI
MAKI, HISAO
description This invention relates to a coding method for motion-image data and others effective in a special interactive environment for transmitting motion-image data with information concentrated on only a partial region of a display image as in a two-way interactive system implementing real-time two-way interaction. The coding method involves dividing an image frame forming motion-image data into a plurality of rectangular regions, and grouping each of these rectangular regions into a preset ROI and a non-ROI. These rectangular regions are sequentially compressed so that a code length of a rectangular region grouped into the ROI is larger than a code length of a rectangular region grouped into the non-ROI, thereby generating coded data of each image frame.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title MOVING PICTURE DATA ENCODING METHOD, DECODING METHOD, TERMINAL DEVICE FOR EXECUTING THEM, AND BI-DIRECTIONAL INTERACTIVE SYSTEM
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