发明名称 Video-apparatus with noise reduction
摘要 A video apparatus includes a circuit for reducing noise in applied input video signals. The noise reducing circuit is provided with a temporal noise filter (S1, LUT, M), a down-sample unit (D) for obtaining a spatial down-sampling of video signals (Vi) of subsequent pixels, these down-sampled video signals being supplied to the temporal noise filter (S1, LUT, M), and an up-sample unit (U) for generating, in response to noise output signals obtained in the temporal noise filter (S1, LUT, M), noise signals of the pixels, and a subtractor (S2) for subtracting the noise signals from the respective input video signals (Vi).
申请公布号 US6714258(B2) 申请公布日期 2004.03.30
申请号 US20010808193 申请日期 2001.03.14
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V. 发明人 STESSEN JEROEN HUBERT CHRISTOFFEL JACOBUS;DE HAAN GERARD;SCHUTTEN ROBERT JAN;SIJSTERMANS FRANSISCUS WILHELMUS
分类号 H04N5/21;(IPC1-7):H04N5/21;H04N5/213;H04N5/217 主分类号 H04N5/21
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