| 摘要 |
PROBLEM TO BE SOLVED: To save a time for extracting a fixed-ringing false signal when a high gain is changed in a ringing correction circuit for a camera device using a camera tube for a high vision. SOLUTION: A means extracting the ringing false signal existing in a video signal before high-vision processing, a means holding the extracted ringing false signal and a means obtaining a video signal from which the ringing false signal is eliminated by subtracting the held ringing false signal to an original video signal are used. COPYRIGHT: (C)2007,JPO&INPIT
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