INTERACTIVE SYSTEM AND METHOD FOR TRANSMITTING KEY IMAGES SELECTED FROM A VIDEO STREAM OVER A LOW BANDWIDTH NETWORK

INTERACTIVE SYSTEM AND METHOD FOR TRANSMITTING KEY IMAGES SELECTED FROM A VIDEO STREAM OVER A LOW BANDWIDTH NETWORK

A method and interactive system for the on-line transmission of a high-resolution video sequence composed of a succession of T images includes a step of selecting relevant images comprising at least the following steps: split each image to be transmitted at the instant t into a number N of zones, fo...

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Hauptverfasser: LE BARZ, CÉDRIC, CAPMAN, FRANÇOIS, RENAN, ERWANN
Format: Patent
Sprache:eng ; pol
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator LE BARZ, CÉDRIC
CAPMAN, FRANÇOIS
RENAN, ERWANN
description A method and interactive system for the on-line transmission of a high-resolution video sequence composed of a succession of T images includes a step of selecting relevant images comprising at least the following steps: split each image to be transmitted at the instant t into a number N of zones, for each zone n determined in the previous step, calculate a value representative of the content of said zone, for each image to be transmitted, generate a vector representative of the content of said image containing the values obtained in the previous step, calculate a normalized coefficient of correlation α between the reference vector determined for a previously selected image and that calculated for the current image, make a decision on the selection (or not) of the current image as a function of the value of the normalized correlation coefficient α.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title INTERACTIVE SYSTEM AND METHOD FOR TRANSMITTING KEY IMAGES SELECTED FROM A VIDEO STREAM OVER A LOW BANDWIDTH NETWORK
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