H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/43
H04N 9/04 (2006.01)
Patent
CA 1173558
- 1 - Abstract: The invention relates to a color imaging device that suppresses false color signals appearing in an area where the difference of brightnesses is great in the horizontal or vertical direction. When the correlation between picture elements adjacent in the vertical direction is little and the false signal appears in a boundary area in the vertical direction, the false signal is detected, whereupon a color signal is demodulated by utilizing the correlation between the signals of picture elements in the horizontal direction. On the other hand, when the correlation between picture elements adjacent in the horizontal direction is little and the false signal appears in a boundary area in the horizon- tal direction, the false signal is detected, whereupon a color signal is demodulated by utilizing the correlation between the signals of picture elements in the vertical direction. As a result, the moire phenomenon attributed to false color signals can be reduced.
395716
Akiyama Toshiyuki
Izumita Morishi
Kudo Koji
Nagahara Shuusaku
Ozawa Naoki
Hitachi Ltd.
Kirby Eades Gale Baker
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