Patent ID: 7675543
Filing Date: 2010-03-09
Classification: G11B

Abstract:
1. An automated method comprising: a user initiating the method in a processor, the processor arranged to receive video footage, the video footage having been previously recorded by a video camera, analyzing the video footage to derive motion information, and identifying portions of interest within the video footage by at least one of: the method further comprising providing an edited version of the video footage including the identified portions of interest, in which identifying portions of the video footage tracking a moving subject of interest, includes: calculating a motion quantity representing an amount of camera motion in each frame and a direction quantity representing a direction of motion in each frame; and identifying portions of the video footage for which: (i) the motion parameter is above a first threshold, (ii) an average amount of change in the direction parameter is below a second threshold, and (iii) changes between successive frames within a central region of the frame are on average less than between successive frames outside the central area.