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公开(公告)号：US20210201041A1
公开(公告)日：2021-07-01
申请号：US16960722
申请日：2020-01-10
Abstract: The present application discloses a logo extraction device, and a brightness adjusting method and device for a logo. The logo extraction device includes an acquiring module, a gray-scale converting module, a weight processing module, and an extraction module. In the present application, by increasing a number of key frames in a process of logo extraction and using video frame weighting, the logo is extracted and thereby accuracy of logo extraction is improved.
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