Patent ID: 8175413
Filing Date: 2012-05-08
Classification: G06K

Abstract:
1. A method for detecting at least one known logo in a video, the video comprising a plurality of regions, each region comprising video data, the method executed by at least one computer system and comprising: generating a confidence mask comprising a plurality of scaling factors, each scaling factor corresponding to a region of the video and indicating a likelihood that the corresponding region of the video includes a logo; applying the scaling factors of the confidence mask to the video data for the corresponding regions of the video to generate an altered video; identifying an interest point in the video; computing a feature vector for the interest point, wherein the feature vector is a vector of real numbers describing visual characteristics of the video proximate to the interest point; accessing a database of stored feature vectors for known logos; and determining from the altered video a confidence measure as to whether the video includes a known logo by calculating a degree of similarity between the stored feature vector of the known logo and the computed feature vector for the video.