发明申请
- 专利标题： Video comfort noise addition technique
- 专利标题（中）： 视频舒适噪音添加技术
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申请号： US10572690申请日： 2004-09-21
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公开(公告)号： US20070047658A1公开(公告)日： 2007-03-01
- 发明人: Alexandros Tourapis , Jill MacDonald , Joan Llach
- 申请人： Alexandros Tourapis , Jill MacDonald , Joan Llach
- 国际申请： PCT/US04/30745 WO 20040921
- 主分类号： H04N11/02
- IPC分类号： H04N11/02 ; H04B1/66
摘要：
A decoding arrangement for decoding pictures in an incoming video stream includes a noise generator for adding a dither signal containing random noise to the pictures after video decoding, to improve the subjective video quality. The noise generator adds noise to each pixel in an amount correlated to the luminance of at least a portion of the current picture.