H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/26 (2006.01) G11B 27/034 (2006.01) H04N 5/921 (2006.01) H04N 7/50 (2006.01)
Patent
CA 2756413
The invention relates to a method for storing a portion of a compressed video stream, said compressed video stream comprising a series of compressed key images between which are inserted intermediate frames comprising at least the encoding of differences between an uncompressed intermediate image and the key image immediately preceding same, said method comprising: acquiring (50), in real time, the compressed video stream; temporarily storing (52), without decompression, the acquired compressed video stream, said temporary storage comprising at least the last compressed key image received and the subsequent intermediate frames; upon receipt (54) of a permanent storage start event at a given instant: reconstructing a compressed key image (56) corresponding to said given instant starting from the last key image received and from the subsequent intermediate frames; and storing (58) the portion of the video stream starting with the reconstructed compressed key image.
L'invention concerne un procédé de stockage d'une partie d'un flux vidéo compressé, ledit flux vidéo compressé comportant une succession d'images clés compressées entre lesquelles sont intercalées des trames intermédiaires comportant au moins le codage de différences entre une image intermédiaire non compressée et l'image clé immédiatement précédente, ledit procédé comportant : .cndot. l'acquisition (50) en temps réel du flux vidéo compressé, .cndot. le stockage temporaire (52), sans décompression, du flux vidéo compressé acquis, ledit stockage temporaire comportant au moins la dernière image clé compressée reçue et les trames intermédiaires suivantes, .cndot. sur réception (54) d'un événement de début de stockage permanent à un instant donné, .cndot. reconstruction d'une image clé (56) compressée correspondant audit instant donné à partir de ladite dernière image clé reçue et des trames intermédiaires suivantes, .cndot. stockage (58) de la partie de flux vidéo commençant par l'image clé compressée reconstruite.
Bouton Thomas
Previtali Florent
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Streamwide
LandOfFree
Method and device for storing a portion of a video stream does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and device for storing a portion of a video stream, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for storing a portion of a video stream will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1890721