Modifying video by inserting shadow intra pictures

H - Electricity – 04 – N

Patent

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Details

H04N 5/91 (2006.01) G11B 27/036 (2006.01) H04N 5/783 (2006.01) G11B 27/00 (2006.01) G11B 27/034 (2006.01) H04N 5/781 (2006.01) H04N 5/85 (2006.01) H04N 9/804 (2006.01) H04N 9/82 (2006.01)

Patent

CA 2451995

The invention includes a system (100) and a method (200) for recording onto a storage medium (112)a video segment optimized for trick mode playback. The method can include the steps of: receiving (210) the video segment in which the video segment can contain at least one predictive picture; selectively forming (218) at least one shadow intra picture from at least one predictive picture; and inserting (222) at least one shadow intra picture into the video segment. Moreover, the shadow intra pictures can be ignored (236) during normal playback or a moderate speed trick mode playback.

L'invention concerne un système (100) et un procédé (200) d'enregistrement sur un support (112) de stockage d'un segment vidéo optimisés pour une lecture en mode d'enrichissement. Ce procédé consiste à : recevoir (210) ledit segment vidéo dans lequel le segment vidéo peut contenir au moins une image prédictive, former (218) sélectivement au moins une ombre à l'intérieur de l'image à partir d'au moins une image prédictive et enfin, insérer (222) au moins une ombre à l'intérieur de l'image dans le segment vidéo. De plus, l'ombre dans les images peut être ignorée (236) lors d'une lecture normale ou en lecture en mode à vitesse modérée.

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