JP2013061446A5 - Image display device, image processing device - Google Patents
Image display device, image processing device Download PDFInfo
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- JP2013061446A5 JP2013061446A5 JP2011199125A JP2011199125A JP2013061446A5 JP 2013061446 A5 JP2013061446 A5 JP 2013061446A5 JP 2011199125 A JP2011199125 A JP 2011199125A JP 2011199125 A JP2011199125 A JP 2011199125A JP 2013061446 A5 JP2013061446 A5 JP 2013061446A5
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Claims (12)
入力された画像データがグレースケール画像である場合に、
前記画像データのエッジを構成する、第１データ画素および前記第１データ画素よりも階調値が小さい第２データ画素において、前記第１データ画素に対応する表示画素を構成し、かつ、前記第２データ画素に対応する表示画素に近い位置に配列された第１サブ画素と、前記エッジを構成しない第３データ画素に対応する表示画素を構成し、かつ、前記第１サブ画素と同じ色を表示する第２サブ画素とに、同じ階調値を入力した場合に、前記第１サブ画素の明るさが前記第２サブ画素の明るさよりも小さくなるように前記画像データを補正する補正部、
を有する画像表示装置。 A plurality of display pixels including a plurality of sub-pixels displaying different colors are arranged in the first direction and the second direction, and the sub-pixels included in different display pixels adjacent to each other in the second direction have the same color An image display device for displaying
If the input image data is a grayscale image,
In a first data pixel that constitutes an edge of the image data, and a second data pixel having a smaller gradation value than the first data pixel, a display pixel corresponding to the first data pixel is configured, and A first sub-pixel arranged at a position close to a display pixel corresponding to two data pixels and a display pixel corresponding to a third data pixel not forming the edge, and having the same color as the first sub-pixel A correction unit that corrects the image data such that the brightness of the first sub-pixel is smaller than the brightness of the second sub-pixel when the same gradation value is input to the second sub-pixel to be displayed;
An image display device having
前記補正部はさらに、
前記第１データ画素に対応する表示画素を構成するサブ画素のうち、前記第１サブ画素と前記第１方向において隣り合う第３サブ画素と、前記第３データ画素に対応する表示画素において前記第３サブ画素と同じ色を表示する第４サブ画素とに、同じ階調値を入力した場合に、前記第３サブ画素の明るさが、前記第４サブ画素の明るさよりも小さくなるように前記画像データを補正する、
画像表示装置。 The image display apparatus according to claim 1,
The correction unit further
The third sub-pixel adjacent to the first sub-pixel in the first direction among the sub-pixels constituting the display pixel corresponding to the first data pixel, and the display pixel corresponding to the third data pixel When the same gradation value is input to the fourth sub-pixel displaying the same color as the three sub-pixels, the brightness of the third sub-pixel is smaller than the brightness of the fourth sub-pixel. Correct image data,
Image display device.
前記データ画素は、前記表示画素を構成する前記複数のサブ画素が表示する色に対応する階調値を有し、
前記補正部は、ｉ＝１、２、３、４、として、前記第ｉサブ画素に対応する第ｉデータサブ画素の階調値をαｉ、前記第ｉサブ画素において表示可能な最大の階調値をαＭｉ、前記第ｉサブ画素に対するガンマ補正のγ値をγｉ、前記第ｉサブ画素の補正係数をβｉ、として、
β１＜β２となる前記β１および前記β２、並びに、β３＜β４となる前記β３および前記β４、を用いて、以下の式（１）に基づいて前記第ｉサブ画素に対応する補正後の前記第ｉデータサブ画素の階調値αｏｉを決定する、
画像表示装置。
The data pixel has a gradation value corresponding to a color displayed by the plurality of sub-pixels constituting the display pixel.
The correction unit may set the gradation value of the ith data sub-pixel corresponding to the ith sub-pixel to α i as i = 1, 2, 3, 4, and the largest floor that can be displayed in the ith sub-pixel Let the modulation value be α Mi , the γ value of gamma correction for the i th sub-pixel be γ i , and the correction coefficient for the i th sub-pixel be β i ,
beta 1 <beta 2 become the beta 1 and the beta 2, and, β 3 <β 4 become the beta 3 and the beta 4, using the i-th sub-pixel based on the following equation (1) To determine the gradation value α oi of the ith data sub-pixel after correction corresponding to
Image display device.
前記表示画素を構成する前記複数のサブ画素は、赤色を表示する赤色サブ画素と、青色を表示する青色サブ画素と、の間に、緑色を表示する緑色サブ画素が配列されている、
画像表示装置。 The image display apparatus according to claim 2,
In the plurality of sub-pixels constituting the display pixel, green sub-pixels displaying green are arranged between red sub-pixels displaying red and blue sub-pixels displaying blue.
Image display device.
前記第１サブ画素が前記赤色サブ画素であり、前記第３サブ画素が前記緑色サブ画素である場合に、前記補正部は、前記第１サブ画素の補正量をβｒ、前記第３サブ画素の補正量をβｇとして、以下の関係式（２）を満たす前記βｒと前記βｇとを用いて前記画像データを補正する、
画像表示装置。
When the first sub-pixel is the red sub-pixel and the third sub-pixel is the green sub-pixel, the correction unit may set the correction amount of the first sub-pixel to βr, and the third sub-pixel. The image data is corrected using βr and βg that satisfy the following relational expression (2), where βg is a correction amount.
Image display device.
前記第１サブ画素が前記青色サブ画素であり、前記第３サブ画素が前記緑色サブ画素である場合に、前記補正部は、前記第１サブ画素の補正量をβｂ、前記第３サブ画素の補正量をβｇとして、以下の関係式（３）を満たす前記βｂと前記βｇとを用いて前記画像データを補正する、
画像表示装置。
When the first sub-pixel is the blue sub-pixel and the third sub-pixel is the green sub-pixel, the correction unit may set the correction amount of the first sub-pixel to βb, the third sub-pixel. The image data is corrected using βb and βg satisfying the following relational expression (3), where βg is a correction amount:
Image display device.
前記第１サブ画素が前記赤色サブ画素であり、前記第３サブ画素が前記緑色サブ画素である場合に、前記補正部は、前記第１サブ画素の補正量をβｒ、前記第３サブ画素の補正量をβｇとして、以下の関係式（４）を満たす前記βｒと前記βｇとを用いて前記画像データを補正する、
画像表示装置。
When the first sub-pixel is the red sub-pixel and the third sub-pixel is the green sub-pixel, the correction unit may set the correction amount of the first sub-pixel to βr, and the third sub-pixel. The image data is corrected using βr and βg satisfying the following relational expression (4), where βg is a correction amount:
Image display device.
前記第１サブ画素が前記青色サブ画素であり、前記第３サブ画素が前記緑色サブ画素である場合に、前記補正部は、前記第１サブ画素の補正量をβｂ、前記第３サブ画素の補正量をβｇとして、以下の関係式（５）を満たす前記βｂと前記βｇとを用いて前記画像データを補正する、
画像表示装置。
When the first sub-pixel is the blue sub-pixel and the third sub-pixel is the green sub-pixel, the correction unit may set the correction amount of the first sub-pixel to βb, the third sub-pixel. The image data is corrected using βb and βg satisfying the following relational expression (5), where βg is a correction amount:
Image display device.
入力された画像データがグレースケール画像である場合に、
前記画像データのエッジを構成する、第１データ画素および前記第１データ画素よりも階調値が小さい第２データ画素において、前記第１データ画素に対応する表示画素を構成し、かつ、前記第２データ画素に対応する表示画素に近い位置に配列された第１サブ画素と、前記エッジを構成しない第３データ画素に対応する表示画素を構成し、かつ、前記第１サブ画素と同じ色を表示する第２サブ画素とに、同じ階調値を入力した場合に、前記第１サブ画素の明るさが前記第２サブ画素の明るさよりも小さくなるように前記画像データを補正する補正部、
を有する画像処理装置。 A plurality of display pixels including a plurality of sub-pixels displaying different colors are arranged in the first direction and the second direction, and the sub-pixels included in different display pixels adjacent to each other in the second direction have the same color An image processing apparatus that processes image data displayed on a display unit to be displayed, the image processing apparatus comprising:
If the input image data is a grayscale image,
In a first data pixel that constitutes an edge of the image data, and a second data pixel having a smaller gradation value than the first data pixel, a display pixel corresponding to the first data pixel is configured, and A first sub-pixel arranged at a position close to a display pixel corresponding to two data pixels and a display pixel corresponding to a third data pixel not forming the edge, and having the same color as the first sub-pixel A correction unit that corrects the image data such that the brightness of the first sub-pixel is smaller than the brightness of the second sub-pixel when the same gradation value is input to the second sub-pixel to be displayed;
An image processing apparatus having:
入力される画像データにおいて、前記第１の画素を構成する前記複数のサブ画素それぞれの階調値どうしが等しく、前記第２の画素を構成する前記複数のサブ画素それぞれの階調値どうしが等しく、前記第１の画素を構成する前記サブ画素の階調値より前記第２の画素を構成する前記サブ画素の階調値が小さい場合に、
前記第１の画素を構成する前記複数のサブ画素のうち前記第２の画素に隣り合うように配置される前記サブ画素が、前記画像データにおける階調値で表示される明るさよりも小さい明るさを表示する、
ことを特徴とする画像表示装置。 An image display device comprising: a first pixel composed of a plurality of subpixels displaying different colors; and a second pixel composed of a plurality of subpixels displaying different colors and adjacent to the first pixel And
In the input image data, the gradation values of the plurality of sub-pixels constituting the first pixel are equal to each other, and the gradation values of the plurality of sub-pixels constituting the second pixel are equal to each other When the gradation value of the sub-pixel constituting the second pixel is smaller than the gradation value of the sub-pixel constituting the first pixel,
The brightness of the sub-pixel disposed adjacent to the second pixel among the plurality of sub-pixels constituting the first pixel is smaller than the brightness displayed by the gradation value in the image data To display
An image display apparatus characterized by
入力される画像データにおいて、前記第１の画素を構成する前記複数のサブ画素それぞれの階調値どうしが等しく、前記第２の画素を構成する前記複数のサブ画素それぞれの階調値どうしが等しく、前記第１の画素を構成する前記サブ画素の階調値より前記第２の画素を構成する前記サブ画素の階調値が小さい場合に、
前記第１の画素を構成する前記複数のサブ画素のうち前記第１のサブ画素に隣り合うように配置される第２のサブ画素が、前記第１のサブ画素における表示される明るさが前記画像データにおける階調値に対して小さくなる程度よりも小さい程度で、前記画像データにおける階調値で表示される明るさよりも小さい明るさを表示する、
ことを特徴とする画像表示装置。 In the image display device according to claim 10,
In the input image data, the gradation values of the plurality of sub-pixels constituting the first pixel are equal to each other, and the gradation values of the plurality of sub-pixels constituting the second pixel are equal to each other When the gradation value of the sub-pixel constituting the second pixel is smaller than the gradation value of the sub-pixel constituting the first pixel,
Among the plurality of sub-pixels constituting the first pixel, the second sub-pixel disposed adjacent to the first sub-pixel has the brightness displayed in the first sub-pixel as the light A brightness smaller than the brightness displayed by the tone value in the image data is displayed to a degree smaller than the degree to which the tone value in the image data is smaller,
An image display apparatus characterized by
入力される画像データにおいて、前記第１の画素を構成する前記複数のサブ画素それぞれの階調値どうしが等しく、前記第２の画素を構成する前記複数のサブ画素それぞれの階調値どうしが等しく、前記第１の画素を構成する前記サブ画素の階調値より前記第２の画素を構成する前記サブ画素の階調値が小さい場合に、
前記第１の画素を構成する前記複数のサブ画素のうち前記第２の画素に隣り合うように配置される前記サブ画素が、前記画像データにおける階調値で表示される明るさよりも小さい明るさを表示するように画像データを補正する、
ことを特徴とする画像処理装置。 In a display unit including a first pixel including a plurality of sub-pixels displaying different colors and a plurality of sub-pixels displaying different colors and including a second pixel adjacent to the first pixel An image processing apparatus for processing displayed image data, comprising:
In the input image data, the gradation values of the plurality of sub-pixels constituting the first pixel are equal to each other, and the gradation values of the plurality of sub-pixels constituting the second pixel are equal to each other When the gradation value of the sub-pixel constituting the second pixel is smaller than the gradation value of the sub-pixel constituting the first pixel,
The brightness of the sub-pixel disposed adjacent to the second pixel among the plurality of sub-pixels constituting the first pixel is smaller than the brightness displayed by the gradation value in the image data Correct the image data to display
An image processing apparatus characterized by
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| JP2011199125A JP5879844B2 (en) | 2011-09-13 | 2011-09-13 | Image display device, image processing device |
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| JP2011199125A JP5879844B2 (en) | 2011-09-13 | 2011-09-13 | Image display device, image processing device |
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| JP2013061446A JP2013061446A (en) | 2013-04-04 |
| JP2013061446A5 true JP2013061446A5 (en) | 2014-10-09 |
| JP5879844B2 JP5879844B2 (en) | 2016-03-08 |
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| CN105609033A (en) * | 2015-12-18 | 2016-05-25 | 武汉华星光电技术有限公司 | Pixel rendering method, pixel rendering device and display device |
| US10714049B2 (en) | 2016-06-06 | 2020-07-14 | Apple Inc. | Electronic display border gain systems and methods |
| EP3893234A1 (en) * | 2017-09-11 | 2021-10-13 | Apple Inc. | Electronic display border gain systems and methods |
| CN113053308B (en) * | 2021-03-18 | 2022-07-12 | 京东方科技集团股份有限公司 | Display method, display device, and computer-readable storage medium |
| CN118154615A (en) * | 2024-05-13 | 2024-06-07 | 山东聚宁机械有限公司 | Intelligent detection method for quality of plate body of track plate of excavator |
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| JP2006072256A (en) * | 2004-09-06 | 2006-03-16 | Sony Corp | Color signal processing device, image display device, and color shift correction method |
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