Patent ID: 9025930
Filing Date: 2015-05-05
Classification: H04N

Abstract:
1. A chapter information creation apparatus for creating, from video image data obtained by hierarchically encoding a plurality of video images including a video image having an arbitrary field of view and a video image having a field of view corresponding to a region included in the arbitrary field of view, chapter information for each of the plurality of video images, comprising: determination unit adapted to determine, from information relating to the fields of view of the plurality of video images and included in the video image data, a first video image having a widest field of view from among the plurality of video images included in the video image data; detection unit adapted to detect, from information relating to the fields of view of the plurality of video images and included in the video image data, a second video image having a field of view whose ratio to a size of the field of view of the first video image is less than or equal to a threshold value from among the video images included in the video image data; computation unit adapted to periodically calculate a position of the second video image in a region included in the field of view of the first video image; first creation unit adapted to calculate, from the position periodically calculated by the computation unit with respect to the second video image, a moved distance of the position over a fixed period, and create chapter information for the second video image if the moved distance is greater than or equal to a predetermined threshold; and second creation unit adapted to analyze the first video image, and create chapter information for the first video image and the second video image in response to a change in the first video image being detected.