TWI402823B - Color adjustment method - Google Patents
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- TWI402823B TWI402823B TW98111236A TW98111236A TWI402823B TW I402823 B TWI402823 B TW I402823B TW 98111236 A TW98111236 A TW 98111236A TW 98111236 A TW98111236 A TW 98111236A TW I402823 B TWI402823 B TW I402823B
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Description
本發明是有關於一種色彩調整方法，且特別是有關於一種用於顯示器上之色彩調整方法。The present invention relates to a color adjustment method, and more particularly to a color adjustment method for use on a display.
在技術的演進下，使用者對於顯示器，如液晶顯示器(LCD)、電漿顯示器(PDP)或有機發光二極體顯示器(OLED)，的表現有愈來愈多的需求。舉凡亮度、色調、對比度、色彩濃度等等，都是評估現代顯示器的表現的重要標準。其中色彩濃度係藉由以對比增強的方式對紅色、綠色及藍色三種像素進行調整。如果對三種像素同時做色彩的調整提升，則容易使顯示畫面的顏色過濃，而讓使用者感到不真實。然而如果對三種像素同時做亮度的提升，卻又容易使顯示畫面的色彩不足。Under the evolution of technology, users have an increasing demand for displays such as liquid crystal displays (LCDs), plasma display devices (PDPs) or organic light emitting diode displays (OLEDs). Brightness, hue, contrast, color density, etc. are all important criteria for evaluating the performance of modern displays. The color density is adjusted by red, green and blue pixels in a contrast-enhanced manner. If the adjustment of the color of the three pixels is simultaneously performed, it is easy to make the color of the display screen too rich, and the user feels unreal. However, if the brightness of three kinds of pixels is simultaneously improved, it is easy to make the color of the display screen insufficient.
因此，如何設計一種色彩調整方法，能夠在色彩的表現上找到一個平衡點，乃為此一業界亟待解決的問題。Therefore, how to design a color adjustment method to find a balance point in the performance of color is an urgent problem to be solved in the industry.
本發明之目的在提供一種色彩調整方法，係用於顯示器，如液晶顯示器(LCD)、電漿顯示器(PDP)或有機發光二極體顯示器(OLED)上，色彩調整方法包含下列步驟：接收顯示資料；對顯示資料進行零色彩增強處理以及全色彩增強處理，以分別產生零色彩增強顯示資料以及全色彩增強顯示資料；對零色彩增強顯示資料以及全色彩增強顯示資料進行影像混合調整處理，俾產生輸出顯示資料；以及根據輸出顯示資料，產生顯示畫面於顯示器。The object of the present invention is to provide a color adjustment method for a display such as a liquid crystal display (LCD), a plasma display (PDP) or an organic light emitting diode display (OLED). The color adjustment method comprises the following steps: receiving a display Data; zero color enhancement processing and full color enhancement processing on the display data to respectively generate zero color enhanced display data and full color enhanced display data; image mixing adjustment processing for zero color enhanced display data and full color enhanced display data, The output display data is generated; and the display screen is generated according to the output display data.
應用本發明之優點係在於藉由對色彩增強顯示資料以及全色彩增強顯示資料進行影像混合調整處理，可以對色彩濃度及彩度進行進一步的控制及調整，而輕易地達到上述之目的。The advantage of the application of the present invention is that by performing image mixing adjustment processing on the color enhanced display data and the full color enhanced display data, the color density and chroma can be further controlled and adjusted, and the above purpose can be easily achieved.
請參照第1圖，係為本發明之第一實施例之色彩調整方法之流程圖。色彩調整方法係用於顯示器(未繪示)上，如液晶顯示器(LCD)、電漿顯示器(PDP)或有機發光二極體顯示器(OLED)。色彩調整方法包含下列步驟：於步驟101，接收顯示資料。於步驟102，對顯示資料進行零色彩增強處理以及全色彩增強處理，以分別產生零色彩增強顯示資料以及全色彩增強顯示資料。顯示資料實質上係包含一紅像素顯示資料、一綠像素顯示資料以及一藍像素顯示資料。Please refer to FIG. 1 , which is a flow chart of a color adjustment method according to a first embodiment of the present invention. The color adjustment method is used on a display (not shown) such as a liquid crystal display (LCD), a plasma display (PDP), or an organic light emitting diode display (OLED). The color adjustment method includes the following steps: In step 101, the display material is received. In step 102, the display material is subjected to zero color enhancement processing and full color enhancement processing to respectively generate zero color enhanced display data and full color enhanced display data. The display data substantially includes a red pixel display material, a green pixel display material, and a blue pixel display material.
零色彩增強處理係將紅像素顯示資料、綠像素顯示資料以及藍像素顯示資料進行相同之色彩對比增強處理，以使紅像素灰階值、綠像素灰階值、藍像素灰階值的比例維持不變，亦即對紅像素顯示資料、綠像素顯示資料以及藍像素顯示資料僅進行亮度(灰階值)同時之提升(衰減)。舉例來說，零色彩增強處理係可將紅像素顯示資料、綠像素顯示資料以及藍像素顯示資料之灰階值均乘以1.2倍，以獲得亮度之提升。然而僅提升亮度，將容易造成色彩不足的視覺感受。The zero color enhancement processing performs the same color contrast enhancement processing on the red pixel display data, the green pixel display data, and the blue pixel display data, so that the ratio of the red pixel grayscale value, the green pixel grayscale value, and the blue pixel grayscale value is maintained. The same is true, that is, the red pixel display data, the green pixel display data, and the blue pixel display data are simultaneously increased (attenuated) by the brightness (gray scale value). For example, the zero color enhancement processing can multiply the grayscale values of the red pixel display data, the green pixel display data, and the blue pixel display data by 1.2 times to obtain an increase in brightness. However, only increasing the brightness will easily lead to a visual experience of insufficient color.
而另一方面，全色彩增強處理係根據紅像素顯示資料、綠像素顯示資料以及藍像素顯示資料之一色彩特性，例如伽馬曲線(Gamma curve)，分別進行不同之色彩對比增強處理。舉例來說，全色彩增強處理係可將紅像素顯示資料、綠像素顯示資料以及藍像素顯示資料之灰階值依據該色彩特性處理後得到對應的灰階值輸出，以使各色彩亮度對比獲得提升。然而僅對於各色彩之亮度對比提升，將容易造成色彩過飽和的視覺感受。On the other hand, the full color enhancement processing performs different color contrast enhancement processing according to the color characteristics of the red pixel display data, the green pixel display data, and the blue pixel display data, such as a gamma curve. For example, the full color enhancement processing system can output the gray scale value of the red pixel display data, the green pixel display data, and the blue pixel display data according to the color characteristic to obtain a corresponding gray scale value output, so that the brightness contrast of each color is obtained. Upgrade. However, only for the brightness contrast of each color is improved, it will easily cause the visual perception of color oversaturation.
接著於步驟103，對零色彩增強顯示資料以及全色彩增強顯示資料進行影像混合調整處理，俾產生輸出顯示資料。影像混合調整處理係使零色彩增強顯示資料以及全色彩增強顯示資料分別按照一比例疊加。舉例來說，當零色彩增強顯示資料之比例為0.6，則全色彩增強顯示資料之比例係為0.4。因此在乘以0.6倍之零色彩增強顯示資料以及乘以0.4倍之全色彩增強顯示資料相加後，即產生輸出顯示資料。須注意的是，上述之比例係可於不同之實施例中，由顯示器之使用者進行手動之調整，而達到不同之顯示效果。接著於步驟104，根據輸出顯示資料，產生顯示畫面於顯示器。Next, in step 103, the image mixing adjustment processing is performed on the zero color enhanced display data and the full color enhanced display data, and the output display data is generated. The image blending adjustment processing causes the zero color enhanced display data and the full color enhanced display data to be superimposed in a ratio. For example, when the ratio of the zero color enhancement display material is 0.6, the ratio of the full color enhancement display data is 0.4. Therefore, after multiplying by 0.6 times the color enhancement display data and multiplying by 0.4 times the full color enhancement display data, the output display data is generated. It should be noted that the above ratios can be manually adjusted by the user of the display in different embodiments to achieve different display effects. Next, in step 104, a display screen is generated on the display according to the output display data.
本發明之色彩調整方法，係可根據使用者的需求，對零色彩增強顯示資料及全色彩增強顯示資料進行比例之調整，而可適度地調整輸出顯示資料之色彩亮度對比。The color adjustment method of the invention can adjust the ratio of the zero color enhanced display data and the full color enhanced display data according to the user's needs, and can appropriately adjust the color brightness contrast of the output display data.
雖然本發明已以實施方式揭露如上，然其並非用以限定本發明，任何熟習此技藝者，在不脫離本發明之精神和範圍內，當可作各種之更動與潤飾，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.
101-104．．．步驟101-104. . . step
為讓本發明之上述和其他目的、特徵、優點與實施例能更明顯易懂，所附圖式之說明如下：The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood.
第1圖係為本發明之第一實施例之色彩調整方法之流程圖。Fig. 1 is a flow chart showing a color adjustment method of a first embodiment of the present invention.
101-104．．．步驟101-104. . . step
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| TW98111236A TWI402823B (en) | 2009-04-03 | 2009-04-03 | Color adjustment method |
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| TW98111236A TWI402823B (en) | 2009-04-03 | 2009-04-03 | Color adjustment method |
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| TWI402823B true TWI402823B (en) | 2013-07-21 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020140637A1 (en) * | 2001-04-03 | 2002-10-03 | Shiuh-Bin Kao | Method for prolonging useful life of plasma panel display by dynamically adjusting input video signal strength |
| US20030048264A1 (en) * | 2001-06-22 | 2003-03-13 | Eastman Kodak Company | Method for calibrating, characterizing and driving a color flat panel display |
| US20050162562A1 (en) * | 2003-12-30 | 2005-07-28 | Texas Instruments Incorporated | Automatic gain control based on multiple input references in a video decoder |
| TW200746006A (en) * | 2006-06-05 | 2007-12-16 | Chunghwa Picture Tubes Ltd | Image contrast correct system and method thereof |
| TW200842540A (en) * | 2007-04-26 | 2008-11-01 | L & C Lighting Technology Corp | Method of changing light colors of a lamp and control system thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020140637A1 (en) * | 2001-04-03 | 2002-10-03 | Shiuh-Bin Kao | Method for prolonging useful life of plasma panel display by dynamically adjusting input video signal strength |
| US20030048264A1 (en) * | 2001-06-22 | 2003-03-13 | Eastman Kodak Company | Method for calibrating, characterizing and driving a color flat panel display |
| US20050162562A1 (en) * | 2003-12-30 | 2005-07-28 | Texas Instruments Incorporated | Automatic gain control based on multiple input references in a video decoder |
| TW200746006A (en) * | 2006-06-05 | 2007-12-16 | Chunghwa Picture Tubes Ltd | Image contrast correct system and method thereof |
| TW200842540A (en) * | 2007-04-26 | 2008-11-01 | L & C Lighting Technology Corp | Method of changing light colors of a lamp and control system thereof |
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