- 专利标题: Stillness judging device and scanning line interpolating device having it
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申请号: US10203632申请日: 2001-12-13
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公开(公告)号: US06999128B2公开(公告)日: 2006-02-14
- 发明人: Mitsuhiro Kasahara , Tomoaki Daigi , Hideaki Kawamura
- 申请人: Mitsuhiro Kasahara , Tomoaki Daigi , Hideaki Kawamura
- 申请人地址: JP Osaka
- 专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址: JP Osaka
- 代理机构: Greenblum & Bernstein, P.L.C.
- 优先权: JP2000-397005 20001227
- 国际申请: PCT/JP01/10955 WO 20011213
- 国际公布: WO02/054763 WO 20020711
- 主分类号: H04N11/02
- IPC分类号: H04N11/02
摘要:
An inter-frame motion detector detects the presence or absence of motion between frames on the basis of judgment whether or not an inter-frame difference is not more than a set value. A vertical edge continuity detector calculates difference values between an object pixel and pixels above or below the object pixel in an inlaid picture, and detects whether or not there is horizontal continuity of an inter-field vertical edge on the basis of judgment whether or not the signs of the difference values are the same continuously over not less than a predetermined number of pixels, in the horizontal direction, including the object pixel. When it is detected that there is no motion between frames, and it is detected that there is horizontal continuity of the inter-field vertical edge, it is judged that a picture is in a completely still state.