Construction of a new structure of the representation of the image is pressing on the objects semantic within a flow of video compresse, and associated

摘要

A method making it possible to define a structure of an image in a compressed video stream is characterized in that it comprises at least the following steps: define within an image i at least one object 1 - 1 - i or a group of objects goi - 1 - i, a group of objects being defined as a set of objects linked by one or several descriptor (s), common (s) selected at the time of the compression of said flow, the said object comprising one or several portions or "slice " if - i - 1 - i corresponding to a - part of the image constituted of macroblocks belonging to a same assembly, and inserted at the level of an object, one or several descriptor (s) or to a group of objects one or several descriptor (s), common (s)).