Title:
IMAGING DEVICE AND COLOR-CORRECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/056514
Kind Code:
A1
Abstract:
This imaging device, which has a means for detecting a specific hue in each pixel of per-pixel-signal red, green, and blue primary-color video signals generated by color-separation optics and three or more imaging elements and independently correcting said specific hue in each pixel in order to prevent the contours of a light source and illuminated objects from losing contrast and becoming difficult to see due to blue oversaturation when using high-luminance blue illumination such as LEDs, also has a means for detecting the levels of luminance signals for pixels in a given hue region within the aforementioned specific hue and a means for compressing the positive directions of color-correction signals into blue video signals in accordance with the per-pixel-signal luminance signals. This imaging device compresses the positive directions of color-correction signals into blue video signals, in accordance with high-luminance luminance signals, on a per-pixel-signal basis.
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Inventors:
KATO AKIHIRO (JP)
Application Number:
PCT/JP2014/074520
Publication Date:
April 23, 2015
Filing Date:
September 17, 2014
Export Citation:
Assignee:
HITACHI INT ELECTRIC INC (JP)
International Classes:
H04N9/09; H04N9/64; H04N9/68
Foreign References:
| JP2011254160A | 2011-12-15 | |||
| JP2004032060A | 2004-01-29 | |||
| JP2001061160A | 2001-03-06 | |||
| JPH09247701A | 1997-09-19 |
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