Patent ID: 9014429
Filing Date: 2015-04-21
Classification: G06F,G06K,G11B

Abstract:
1. A method of analyzing a segment of video comprising frames, the frames comprising pixels, the method comprising: extracting a respective line portion from a location on each frame of a plurality of frames of the segment of video, each respective line portion comprising a portion of pixels of the respective frame of the plurality of frames; arranging the respective line portions from the location on each frame of the plurality of frames to form a visual summary, detecting a portion of the pixels of the visual summary as corresponding to an object, in which one of the frames of the plurality of frames is a reference frame, and the portion of the pixels of the visual summary detected as corresponding to the object are detected as corresponding to the object based on a comparison of the pixels to corresponding pixels of the reference frame, and in which the portion of the pixels of the visual summary detected as corresponding to the object are detected as corresponding to the object based on a measure of the differences of the pixels of the portion of the pixels of the visual summary and the corresponding pixels of the reference frame, the portion of the pixels of the visual summary detected as corresponding to the object having a shape; and determining a property of an event based on the shape of the portion of the pixels of the visual summary detected as corresponding to the object.