发明授权
- 专利标题: Recursive filter system for a video signal
- 专利标题(中): 用于视频信号的递归滤波系统
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申请号: US11809658申请日: 2007-06-01
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公开(公告)号: US07903901B2公开(公告)日: 2011-03-08
- 发明人: Arthur Mitchell , Anthony Richard Huggett
- 申请人: Arthur Mitchell , Anthony Richard Huggett
- 申请人地址: SE Stockholm
- 专利权人: Ericsson AB
- 当前专利权人: Ericsson AB
- 当前专利权人地址: SE Stockholm
- 优先权: GB0610968.0 20060602
- 主分类号: G06K9/40
- IPC分类号: G06K9/40
摘要:
A recursive filter system and method is provided. A weighted value of luminance and chrominance of a stored picture element is generated by summing weighted values of luminance and chrominance of a picture element and neighboring picture elements. A first proportional parameter for the stored picture element is generated with a sum of differences between the luminance and chrominance of the stored picture element and surrounding picture elements. A weighted picture element is generated from a proportion of the stored picture element and a complimentary proportion of the weighted value. Picture elements of the next image and a second proportional parameter are inputted. A filtered image is generated by combining a proportion of each input picture element of the next image with a complementary proportion of the weighted stored picture element of the first image. The filtered image is stored for corresponding combination with a succeeding image.
公开/授权文献
- US20080002903A1 Recursive filter system for a video signal 公开/授权日:2008-01-03
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