JP2015233338A5 - Display device and imaging device - Google Patents
Display device and imaging device Download PDFInfo
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- JP2015233338A5 JP2015233338A5 JP2015166887A JP2015166887A JP2015233338A5 JP 2015233338 A5 JP2015233338 A5 JP 2015233338A5 JP 2015166887 A JP2015166887 A JP 2015166887A JP 2015166887 A JP2015166887 A JP 2015166887A JP 2015233338 A5 JP2015233338 A5 JP 2015233338A5
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- 238000003384 imaging method Methods 0.000 title claims description 7
- 238000005286 illumination Methods 0.000 claims description 17
- 230000000875 corresponding Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 230000000007 visual effect Effects 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
Description
本発明は、表示装置および撮像装置に関する。
The present invention relates to a display device and an imaging device .
請求項１に記載の発明による表示装置は、表示用パネルと照明部とを有し、画像データに対応する画像を表示する画像表示部と、周囲輝度を検出して、前記周囲輝度に応じて前記照明部の照明輝度を変更する輝度変更部と、前記輝度変更部による前記照明部の照明輝度の変更による、ユーザの目による前記画像表示部に表示される画像の色の見えの変化を低減するように、前記画像データに対して色補正を施す色補正部と、を備える。 A display device according to a first aspect of the present invention includes a display panel and an illuminating unit, and displays an image display unit that displays an image corresponding to image data, and detects ambient luminance, and according to the ambient luminance. A luminance change unit that changes the illumination luminance of the illumination unit, and a change in color appearance of an image displayed on the image display unit by a user's eyes due to a change in the illumination luminance of the illumination unit by the luminance change unit A color correction unit that performs color correction on the image data.
Claims (8)
周囲輝度を検出して、前記周囲輝度に応じて前記照明部の照明輝度を変更する輝度変更部と、
前記輝度変更部による前記照明部の照明輝度の変更による、ユーザの目による前記画像表示部に表示される画像の色の見えの変化を低減するように、前記画像データに対して色補正を施す色補正部と、
を備える表示装置。 An image display unit having a display panel and an illumination unit, and displaying an image corresponding to the image data;
A brightness changing unit that detects ambient brightness and changes the illumination brightness of the illumination unit according to the ambient brightness;
Color correction is performed on the image data so as to reduce a change in color appearance of an image displayed on the image display unit by a user's eyes due to a change in illumination luminance of the illumination unit by the luminance change unit. A color correction unit;
A display device comprising:
前記色補正部は、前記画像データに対して、階調補正処理、彩度補正処理および白色点補正処理のうちの少なくとも何れか１つを施す表示装置。 The display device according to claim 1,
The color correction unit is a display device that performs at least one of gradation correction processing, saturation correction processing, and white point correction processing on the image data .
前記色補正部は、前記画像データに対して、前記階調補正処理を施し、
前記階調補正処理は、前記照明部の照明輝度が基準となる視環境よりも高い場合は画像データのγ変換のカーブ形状が前記基準となる視環境のトーンカーブよりも緩やかなトーンカーブを選択して前記画像データの階調を補正し、前記照明部の照明輝度が前記基準となる視環境よりも低い場合は画像データのγ変換のカーブ形状が前記基準となる視環境のトーンカーブよりも険しいトーンカーブを選択して前記画像データの階調を補正する表示装置。 The display device according to claim 2 ,
The color correction unit performs the gradation correction process on the image data,
In the gradation correction process, when the illumination brightness of the illumination unit is higher than the reference viewing environment, a γ-transform curve shape of the image data is selected that is gentler than the tone curve of the reference viewing environment. Then, when the gradation of the image data is corrected and the illumination brightness of the illumination unit is lower than the reference viewing environment, the curve shape of the γ conversion of the image data is more than the tone curve of the reference viewing environment. A display device that selects a steep tone curve and corrects the gradation of the image data .
前記色補正部は、前記画像データに対して、前記彩度補正処理を施し、The color correction unit performs the saturation correction process on the image data,
前記彩度補正処理は、前記照明部の照明輝度が基準となる視環境よりも高い場合は彩度が前記基準となる視環境の彩度よりも低くなるように補正し、前記照明部の照明輝度が前記基準となる視環境よりも低い場合は彩度が前記基準となる視環境の彩度よりも鮮やかになるように補正する表示装置。The saturation correction processing corrects the saturation to be lower than the saturation of the reference visual environment when the illumination luminance of the illumination unit is higher than the reference visual environment, and the illumination of the illumination unit A display device that corrects so that the saturation is brighter than the saturation of the reference viewing environment when the luminance is lower than the reference viewing environment.
前記色補正部は、前記画像データに対して、前記白色点補正処理を施し、The color correction unit performs the white point correction process on the image data,
前記白色点補正処理は、撮像素子から出力された撮像信号の色情報に基づいて、前記撮像信号より生成される前記画像データのＲ色とＢ色の前記撮像信号に対するＲゲインとＢゲインとを算出し、該算出されたＲゲインとＢゲインとに基づいて色補正する表示装置。In the white point correction processing, R gain and B gain for the image signal of R color and B color of the image data generated from the image capture signal are calculated based on color information of the image capture signal output from the image sensor. A display device that calculates and performs color correction based on the calculated R gain and B gain.
基準となる視環境は、蛍光灯照明下における室内である表示装置。The reference viewing environment is a display device that is indoors under fluorescent lighting.
前記撮像信号から前記画像データを生成する制御部と、
請求項１から６のいずれか一項に記載の表示装置と、
を備える撮像装置。 An image sensor that captures a subject image and outputs an image signal;
A control unit that generates the image data from the imaging signal;
A display device according to any one of claims 1 to 6;
An imaging apparatus comprising:
前記輝度変更部は、前記撮像素子から出力された撮像信号を用いて前記周囲輝度を検出する撮像装置。
The imaging apparatus according to claim 7,
The said brightness | luminance change part is an imaging device which detects the said surrounding brightness | luminance using the imaging signal output from the said image pick-up element .
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| JP2006229548A (en) * | 2005-02-17 | 2006-08-31 | Konica Minolta Photo Imaging Inc | Imaging device |
| WO2006112110A1 (en) * | 2005-03-31 | 2006-10-26 | Sharp Kabushiki Kaisha | Method for driving liquid crystal display apparatus |
| JP4432818B2 (en) * | 2005-04-01 | 2010-03-17 | セイコーエプソン株式会社 | Image display device, image display method, and image display program |
| JP5006568B2 (en) * | 2005-05-06 | 2012-08-22 | キヤノン株式会社 | Register setting control device, register setting control method, program, and digital camera |
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| JP2008083439A (en) * | 2006-09-28 | 2008-04-10 | Sharp Corp | Liquid crystal display device and method for adjusting white balance |
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