| 摘要 |
A signal processing system for an image pickup device is so structured that an image pickup device having vertical effective pixels double the number of effective scan lines of broadcast television is horizontally scanned at a horizontal scan frequency of the broadcast television with 4-to-1 interlace. One scan period is sampled with a number that is half samples of the number of effective horizontal pixels. The scan lines are read in such a sequence that, in a first field, one quarter of the total scan lines are read with jumping of three scan lines, in a second field, the scan lines corresponding to intermediate ones of three scan lines jumped in the first field are read, in a third field, the scan lines between the scan lines read in the first field and the scan lines read in the second field are read, and in a fourth field, the remaining scan lines are read.
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