JP2015022123A5 - - Google Patents
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- JP2015022123A5 JP2015022123A5 JP2013149751A JP2013149751A JP2015022123A5 JP 2015022123 A5 JP2015022123 A5 JP 2015022123A5 JP 2013149751 A JP2013149751 A JP 2013149751A JP 2013149751 A JP2013149751 A JP 2013149751A JP 2015022123 A5 JP2015022123 A5 JP 2015022123A5
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Description
本発明の第１の態様は、
個別に発光輝度を制御可能な複数の光源を有する発光手段と、
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理手段と、
前記入力画像データの前記複数の領域それぞれにおける明るさを示す特徴量、もしくは前記入力画像データの階調値を前記第１の増加量よりも小さい第２の増加量で増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の光源の発光輝度を制御する制御手段と、
を有することを特徴とする表示装置である。
本発明の第２の態様は、
個別に発光輝度を制御可能な複数の光源を有する発光手段と、
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理手段と、
前記第１の増加量を設定する設定手段と、
前記第１の増加量が閾値以下である場合に前記第１画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて前記複数の光源の発光輝度を制御し、
前記第１の増加量が前記閾値より大きい場合に前記閾値以下の増加量で前記入力画像データの階調値を増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の光源の発光輝度を制御する制御手段と、
を備えることを特徴とする表示装置である。
The first aspect of the present invention is:
A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit ;
Image processing means for outputting to the display means first image data obtained by increasing the gradation value of the input image data by a first increase amount ;
Second image data in which the feature amount indicating the brightness in each of the plurality of regions of the input image data or the gradation value of the input image data is increased by a second increase amount smaller than the first increase amount. Control means for controlling the light emission luminance of the plurality of light sources based on a feature amount indicating brightness in each of the plurality of regions ;
It is a display device characterized by having.
The second aspect of the present invention is:
A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit;
Image processing means for outputting to the display means first image data obtained by increasing the gradation value of the input image data by a first increase amount;
Setting means for setting the first increase amount;
When the first increase amount is equal to or less than a threshold, the light emission luminance of the plurality of light sources is controlled based on a feature amount indicating brightness in each of the plurality of regions of the first image data;
When the first increase amount is larger than the threshold value, a feature amount indicating brightness in each of the plurality of regions of the second image data in which the gradation value of the input image data is increased by an increase amount equal to or less than the threshold value. Based on the control means for controlling the emission luminance of the plurality of light sources;
It is provided with the following.
本発明の第３の態様は、
個別に発光輝度を制御可能な複数の光源を有する発光手段と、
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
を有する表示装置の制御方法であって、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理ステップと、
前記入力画像データの前記複数の領域それぞれにおける明るさを示す特徴量、もしくは前記入力画像データの階調値を前記第１の増加量よりも小さい第２の増加量で増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の各光源の発光輝度を制御する制御ステップと、
を有することを特徴とする表示装置の制御方法である。
本発明の第４の態様は、
個別に発光輝度を制御可能な複数の光源を有する発光手段と、
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
を有する表示装置の制御方法であって、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理ステップと、
前記第１の増加量を設定する設定ステップと、
前記第１の増加量が閾値以下である場合に前記第１画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて前記複数の光源の発光輝度を制御し、
前記第１の増加量が前記閾値より大きい場合に前記閾値以下の増加量で前記入力画像データの階調値を増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の光源の発光輝度を制御する制御ステップと、
を有することを特徴とする表示装置の制御方法である。
The third aspect of the present invention is:
A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit ;
A display device control method comprising:
An image processing step of outputting to the display means first image data obtained by increasing a gradation value of input image data by a first increase amount ;
Second image data in which the feature amount indicating the brightness in each of the plurality of regions of the input image data or the gradation value of the input image data is increased by a second increase amount smaller than the first increase amount. A control step of controlling the light emission luminance of each of the plurality of light sources based on a feature amount indicating brightness in each of the plurality of regions of
A control method for a display device, comprising:
The fourth aspect of the present invention is:
A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit;
A display device control method comprising:
An image processing step of outputting to the display means first image data obtained by increasing a gradation value of input image data by a first increase amount;
A setting step for setting the first increase amount;
When the first increase amount is equal to or less than a threshold, the light emission luminance of the plurality of light sources is controlled based on a feature amount indicating brightness in each of the plurality of regions of the first image data;
When the first increase amount is larger than the threshold value, a feature amount indicating brightness in each of the plurality of regions of the second image data in which the gradation value of the input image data is increased by an increase amount equal to or less than the threshold value. Based on the control step of controlling the light emission luminance of the plurality of light sources,
A control method for a display device, comprising:
本発明の第５の態様は、上述した表示装置の制御方法の各ステップをコンピュータに実行させるためのプログラムである。 A fifth aspect of the present invention is a program for causing a computer to execute each step of the above-described display device control method.
Claims (19)
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理手段と、
前記入力画像データの前記複数の領域それぞれにおける明るさを示す特徴量、もしくは前記入力画像データの階調値を前記第１の増加量よりも小さい第２の増加量で増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の光源の発光輝度を制御する制御手段と、
を有することを特徴とする表示装置。 A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit ;
Image processing means for outputting to the display means first image data obtained by increasing the gradation value of the input image data by a first increase amount ;
Second image data in which the feature amount indicating the brightness in each of the plurality of regions of the input image data or the gradation value of the input image data is increased by a second increase amount smaller than the first increase amount. Control means for controlling the light emission luminance of the plurality of light sources based on a feature amount indicating brightness in each of the plurality of regions ;
A display device comprising:
ことを特徴とする請求項１に記載の表示装置。 The display device according to claim 1, wherein the control unit controls light emission luminance of the plurality of light sources based on a feature amount of the input image data.
前記制御手段は、前記設定手段で設定された動作モードに基づいて、前記複数の光源の発光輝度を制御する
ことを特徴とする請求項１に記載の表示装置。 A first mode in which the control means controls the light emission luminance of the plurality of light sources based on a feature quantity of each area of the input image data or a feature quantity of each area of the second image data; and the control means One of a plurality of operation modes including a second mode for controlling light emission luminance of the plurality of light sources based on a feature amount indicating brightness in each of the plurality of regions of the first image data. Having setting means that can be set to the operation mode of the device;
The display device according to claim 1, wherein the control unit controls light emission luminance of the plurality of light sources based on an operation mode set by the setting unit .
ことを特徴とする請求項３に記載の表示装置。The display device according to claim 3.
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理手段と、
前記第１の増加量を設定する設定手段と、
前記第１の増加量が閾値以下である場合に前記第１画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて前記複数の光源の発光輝度を制御し、
前記第１の増加量が前記閾値より大きい場合に前記閾値以下の増加量で前記入力画像データの階調値を増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の光源の発光輝度を制御する制御手段と、
を備えることを特徴とする表示装置。 A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit;
Image processing means for outputting to the display means first image data obtained by increasing the gradation value of the input image data by a first increase amount;
Setting means for setting the first increase amount;
When the first increase amount is equal to or less than a threshold , the light emission luminance of the plurality of light sources is controlled based on a feature amount indicating brightness in each of the plurality of regions of the first image data;
The feature value indicating brightness of each of the plurality of regions of the second image data increment of the first increased the tone value of the input image data by increasing the amount of less than or equal to the threshold value is larger than the threshold value Based on the control means for controlling the emission luminance of the plurality of light sources ;
Viewing device you comprising: a.
ことを特徴とする請求項５に記載の表示装置。 The display device according to claim 5 , further comprising threshold setting means for setting the threshold in accordance with a user instruction .
ことを特徴とする請求項５に記載の表示装置。 Before Symbol type as the threshold is lower luminance of the image data is large, the display device according to claim 5, characterized in <br/> further comprising a threshold setting means for setting a pre-Symbol threshold.
前記画像処理手段は、グラフィック画像の輝度が変化しないように前記第１画像データを生成し、
前記制御手段は、グラフィック画像が重畳された前記入力画像データの前記複数の領域の明るさを示す特徴量に基づいて、複数の光源の発光輝度を制御する
ことを特徴とする請求項１〜７のいずれか１項に記載の表示装置。 And further comprising a combining means for combining a graphic image with the input image data ,
The image processing means generates the first image data so that the luminance of the graphic image does not change,
The said control means controls the light emission luminance of a several light source based on the feature-value which shows the brightness of the said several area | region of the said input image data on which the graphic image was superimposed. The display device according to any one of the above.
ことを特徴とする請求項１〜８のいずれか１項に記載の表示装置。 Wherein the image processing means, the correction processing for correcting in accordance with the emission luminance before Symbol light source, to any one of claims 1 to 8, wherein the <br/> to facilities on the first image data The display device described.
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
を有する表示装置の制御方法であって、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理ステップと、
前記入力画像データの前記複数の領域それぞれにおける明るさを示す特徴量、もしくは前記入力画像データの階調値を前記第１の増加量よりも小さい第２の増加量で増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の光源の発光輝度を制御する制御ステップと、
を有することを特徴とする表示装置の制御方法。 A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit ;
A display device control method comprising:
An image processing step of outputting to the display means first image data obtained by increasing a gradation value of input image data by a first increase amount ;
Second image data in which the feature amount indicating the brightness in each of the plurality of regions of the input image data or the gradation value of the input image data is increased by a second increase amount smaller than the first increase amount. A control step of controlling emission luminance of the plurality of light sources based on a feature amount indicating brightness in each of the plurality of regions of
A control method for a display device, comprising:
ことを特徴とする請求項１０に記載の表示装置の制御方法。 The method for controlling a display device according to claim 10, wherein in the control step, light emission luminances of the plurality of light sources are controlled based on a feature amount of the input image data.
を含む複数の動作モードのうち１つを前記表示装置の動作モードに設定可能な設定ステップを有し、
前記制御ステップでは、前記設定ステップにおいて設定された動作モードに基づいて、前記複数の光源の発光輝度が制御される
ことを特徴とする請求項１０に記載の表示装置の制御方法。 A first mode in which the emission luminance of the plurality of light sources is controlled based on a feature amount of each region of the input image data or a feature amount of each region of the second image data in the control step; and the control step A second mode in which light emission luminance of the plurality of light sources is controlled based on a feature amount indicating brightness in each of the plurality of regions of the first image data;
A setting step capable of setting one of a plurality of operation modes including the operation mode of the display device,
The display device control method according to claim 10, wherein in the control step, light emission luminances of the plurality of light sources are controlled based on the operation mode set in the setting step .
ことを特徴とする請求項１２に記載の表示装置の制御方法。The method for controlling a display device according to claim 12.
前記複数の光源に対応する複数の領域からなる画面を有し、前記発光手段からの光を透過して前記画面に画像を表示する表示手段と、
を有する表示装置の制御方法であって、
入力画像データの階調値を第１の増加量で増加させた第１画像データを前記表示手段に出力する画像処理ステップと、
前記第１の増加量を設定する設定ステップと、
前記第１の増加量が閾値以下である場合に前記第１画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて前記複数の光源の発光輝度を制御し、
前記第１の増加量が前記閾値より大きい場合に前記閾値以下の増加量で前記入力画像データの階調値を増加させた第２画像データの前記複数の領域それぞれにおける明るさを示す特徴量に基づいて、前記複数の光源の発光輝度を制御する制御ステップと、
を有することを特徴とする表示装置の制御方法。 A light emitting means having a plurality of light sources capable of individually controlling the light emission brightness;
A display unit having a screen composed of a plurality of regions corresponding to the plurality of light sources, and displaying an image on the screen by transmitting light from the light emitting unit;
A display device control method comprising:
An image processing step of outputting to the display means first image data obtained by increasing a gradation value of input image data by a first increase amount;
A setting step for setting the first increase amount;
When the first increase amount is equal to or less than a threshold , the light emission luminance of the plurality of light sources is controlled based on a feature amount indicating brightness in each of the plurality of regions of the first image data;
The feature value indicating brightness of each of the plurality of regions of the second image data increment of the first increased the tone value of the input image data by increasing the amount of less than or equal to the threshold value is larger than the threshold value Based on the control step of controlling the light emission luminance of the plurality of light sources ,
Control method for Viewing device you further comprising a.
ことを特徴とする請求項１４に記載の表示装置の制御方法。 Control method for a display device according to claim 1 4, characterized in <br/> have a threshold setting step of setting the threshold value according to a user instruction.
ことを特徴とする請求項１４に記載の表示装置の制御方法。 The method of the previous SL input as the luminance of the image data is low as the threshold value increases, the display device according to <br/> have a threshold setting step of setting a pre-Symbol threshold to claim 1 4, characterized .
前記画像処理ステップでは、グラフィック画像の輝度が変化しないように前記第１画像データが生成され、
前記制御ステップでは、グラフィック画像が重畳された前記入力画像データの前記複数の領域の明るさを示す特徴量に基づいて、複数の光源の発光輝度が制御される
ことを特徴とする請求項１０〜１６のいずれか１項に記載の表示装置の制御方法。 And further comprising a combining step of combining the graphic image with the input image data .
In the image processing step, the first image data is generated so that the luminance of the graphic image does not change,
In the control step, according to claim graphic images based on the feature amount indicating the brightness of the plurality of regions of the input image data superimposed, characterized Rukoto emission luminance of the plurality of light sources are controlled 10 The control method of the display apparatus of any one of 16.
ことを特徴とする請求項１０〜１７のいずれか１項に記載の表示装置の制御方法。 In the image processing step, the correction processing for correcting in accordance with the emission luminance before Symbol light source, any one of claims 10 to 17, characterized in <br/> be facilities in the first image data The control method of the display apparatus as described in 2.
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