G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/36 (2006.01) G01N 21/00 (2006.01) G01R 23/16 (2006.01) G06F 17/15 (2006.01) G06G 7/00 (2006.01) G06K 9/46 (2006.01)
Patent
CA 2589423
A system and method for losslessly compressing already compressed files, such as JPEG files. The inventive method involves full or partial decompression of the original file, and re-compression using various advanced data compression techniques. Decompression involves decompression using the advanced techniques and re-compression using the original techniques. This method and system saves on data storage space and allows for the reconstruction of an original compressed file for use in applications that require or support the original compressed format.
Système et procédé de compression sans perte de fichiers déjà comprimés, notamment de fichiers JPEG. Le procédé de cette invention implique une décompression partielle ou complète du fichier original et une recompression au moyen de différentes techniques de compression avancée de données. La décompression implique l'utilisation de techniques avancées et la recompression implique l'utilisation de techniques originales. Ce procédé et ce système assurent un enregistrement sur un espace mémoire et permettent la reconstruction d'un fichier comprimé original en vue de son utilisation dans des applications nécessitant ou prenant en charge le format comprimé original.
Gringeler Yaakov
Lovato Darryl
Smart & Biggar
Smith Micro Software Inc.
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