Patent application number | Description | Published |
20080259370 | IMAGE SIGNAL PROCESSOR, IMAGE SIGNAL PROCESSING METHOD FOR USE IN THE SAME, AND PROGRAM - Disclosed herein is an image signal processor for carrying out conversion into an xvYCC signal by using a photograph film as a material, the image signal processor including: acquisition means for acquiring print film concentration data based on said photograph film; generation means for generating spectral data on an image on a screen previously presumed based on spectral concentration characteristics of colors of a positive film having an image projected on said screen, a spectral distribution of a projection light source, and the print film concentration data; arithmetical operation means for arithmetically operating an XYZ tri-stimulus value corresponding to the spectral data; and conversion means for converting the XYZ tri-stimulus value into the xvYCC signal. | 10-23-2008 |
20100039526 | Signal processing apparatus and method, and program - Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT.709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals. | 02-18-2010 |
20100046835 | Signal processing apparatus and method, and program - Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT.709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals. | 02-25-2010 |
20100134694 | COLOR GAMUT EXPANSION METHOD AND DISPLAY DEVICE - A color gamut expansion method and a display device where the color gamut expansion method is applied are provided, realizing appropriate color reproduction compared with the prior. The color gamut expansion method includes the steps of: acquiring a subjective evaluation result signal inputted through user operation; and adjusting magnitude of chroma enhancement and magnitude of brightness contrast enhancement, of an input video signal, independently from each other, based on the subjective evaluation result signal, thereby performing a signal processing to expand a color gamut of the input video signal. | 06-03-2010 |
20100165629 | COLOR-RENDERING INDEX DEVICE - A color chart device for providing color standards for a plurality of colors, with less power consumption as well as reduced luminance variations in colored light within an emission surface, is provided. The color chart device includes a plurality of first light emission sections emitting colored light in wavelength ranges corresponding to the plurality of colors. The first light emission section includes: an enclosure having an emission surface; a single-color light source arranged in the enclosure to emit colored light; a reflective sheet formed on inner surfaces other than the emission surface in the enclosure; and a shielding plate arranged between the single-color light source and the emission surface so as to interrupt the colored light emitted from the single-color light source. The wavelength ranges of the colored light emitted from the first light emission sections are different from one another. | 07-01-2010 |
20100182336 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: an acquisition unit that acquires viewing direction information indicating a direction in which a user views a displayed image; a compensation unit that adaptively compensates a chromaticity point in a video signal using the viewing direction information acquired by the acquisition unit together with color shift amount information that uses a color difference to associate the viewing direction with a color shift amount of display light; and a liquid crystal display unit that performs video display based on the video signal compensated by the compensation unit. | 07-22-2010 |
20110148902 | Evaluation method of display device - An evaluation method of a display device includes steps of obtaining a measured value of color difference, for the display device to be evaluated which is in a state of displaying a predetermined color reference image, determining a detection limit value of color difference for the display device, in consideration of spectral luminous efficiency which has a dependence on color, with use of a subjective evaluation result of color difference obtained for the display device which is in a state of displaying both the color reference image and a color comparison image in parallel, determining an evaluation parameter with use of the measured value of color difference and the detection limit value of color difference; and evaluating a display property of the display device with use of the evaluation parameter. | 06-23-2011 |
20120243782 | SIGNAL PROCESSING APPARATUS AND METHOD, AND PROGRAM - Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT.709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals. | 09-27-2012 |
20140009637 | SIGNAL PROCESSING APPARATUS AND METHOD, AND PROGRAM - Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT.709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals. | 01-09-2014 |
20140247391 | SIGNAL PROCESSING APPARATUS AND METHOD, AND PROGRAM - Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT.709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals. | 09-04-2014 |