| 摘要 |
A video camera includes an image sensor (1) for producing an analog video signal (S1), an A-D converter (5) for converting the analog video signal (S1) to a digital video signal (S5) in a manner that any component thereof above a predetermined luminance level (V5) is clipped, and a flare correcting circuit (6) for removing any flare component superposed on the digital video signal (S5). The flare correcting circuit (6) comprises an average luminance level detector (64) for detecting the average luminance level during a time period of several fields of the digital video signal (S5), a clip period detector (66, 67) for detecting the time period when the analog signal (S1) is clipped during conversion to the digital video signal (S5) by the A-D converter (5), a flare correction signal generator (65) for producing a flare correction signal (S65) in accordance with the output signal (S64, N64) of the average luminance level detector (64) and the output signal (S67) of the clip period detector (66, 67), and a subtracter (61) for subtracting the flare correction signal (S65) from the digital video signal (S5). <IMAGE> |
