Patent ID: 6937764
Filing Date: 2005-08-30
Classification: G11B,H04N

Abstract:
1. A method of detecting local features of a video, comprising: extracting static images from a video made up of a plurality of consecutive static images; calculating a plurality of different feature quantities of each of the static images, the feature quantities relating to a flicker scene of the video; calculating respective differences in the feature quantities between the static images and their preceding or subsequent static images; detecting static images constituting the flicker scene according to the respective differences in the feature quantities between the static images and their preceding or subsequent static images; registering the detected static images with detected times and the feature quantities in a list in order of detection; after the process of detecting static images, extracting a first static image registered on a top of the list; extracting a second static image registered after the first static image; when the difference between the first static image detection time and the second static image detection time is less than a predetermined value, adding the first and second static images to a first group; when the difference between the first static image detection time and the second static image detection time is equal to or bigger than the predetermined value, adding the second static image to a second group; displaying the static images belonging to the first group with the feature quantities by which the static images are detected on a first area on a screen; and displaying the static images belonging to the second group with the feature quantities by which the static images are detected on a second area on a screen.