Video communication

Details Video communication Video communication

H - Electricity

04

N

H04N 7/14 (2006.01)

Patent

CA 2441389

A portable or other video communications device has a display (106) and camera (111). It provides a user with feedback as to his position in relation to the camera, with a head location unit (113) serving to modify (at 105) the displayed incoming picture - e.g. by degrading its quality and/or shifting it - if the user's head is off-centre. The location and modification can alternatively be located elsewhere in a remote device or intervening network. A preferred arrangement employs centre-weighted compression.

L'invention concerne un dispositif de communication vidéo portatif ou analogue comprenant un afficheur (106) ainsi qu'une caméra (111). Ce dispositif fournit à un utilisateur des rétro-informations concernant sa position par rapport à la caméra au moyen d'une unité de localisation de tête (113) servant à modifier (105) l'image entrante affichée, notamment par dégradation de qualité et/ou par décalage, lorsque la tête de l'utilisateur est excentrée. La localisation et la modification peuvent éventuellement intervenir ailleurs dans un dispositif à distance ou un réseau intermédiaire. Un mode de réalisation préféré utilise une compression à pondération centrale.

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