发明名称 Playback apparatus
摘要 The present invention provides a playback apparatus for up-converting a video signal without magnifying film grains. An up-converter 5 performs up-conversion on a frame image in a video signal. A film grain detection circuit 6 detects film grains from the video signal. A frequency converter 7 converts spatial frequencies of the detected film grains on the video signal after the resolution conversion to high frequencies.
申请公布号 US8374493(B2) 申请公布日期 2013.02.12
申请号 US20090636465 申请日期 2009.12.11
申请人 PANASONIC CORPORATION;ITANI TETSUYA 发明人 ITANI TETSUYA
分类号 H04N9/70 主分类号 H04N9/70
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