Patent ID: 7853079
Filing Date: 2010-12-14
Classification: G06K,G11B

Abstract:
1. A method in a computerized device, the method comprising: identifying a frame in a plurality of frames contained in a video; generating a luminance value for each pixel in a plurality of pixels contained in the identified frame; and selecting the identified frame as a poster frame for the video if a luminance value for at least one pixel in the plurality of pixels contained in the identified frame is outside a predetermined range of luminance values, wherein the step of generating a luminance value for each pixel further comprises: dividing the identified frame into a plurality of blocks; and for each block in the plurality of blocks: wherein the step of selecting the identified frame further comprises: determining the range of luminance values from the generated luminance value for the reference pixel; for each block in the plurality of blocks: selecting the identified frame as the poster frame for the video based on a number of blocks concluded to be good.