CN111312127A - Display screen adjustment method and device for rotating display screen, rotating display screen - Google Patents
Display screen adjustment method and device for rotating display screen, rotating display screen Download PDFInfo
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Abstract
本发明提供一种旋转显示屏的显示画面调整方法及装置、旋转显示屏,属于显示技术领域,其可至少部分解决现有的旋转显示屏由于低灰阶像素而出现的色偏的问题。本发明的一种旋转显示屏的显示画面调整方法中,旋转显示屏包括阵列分布的多个像素,且能够以平行于列像素且经过旋转显示屏的线为轴以特定角速度旋转,在不同相位中旋转显示屏显示不同的画面,该方法包括:根据旋转显示屏的特性确定第一灰阶阈值;将当前相位的图像中点亮的像素的灰度值与第一灰阶阈值比对;若当前相位的图像中点亮的像素的灰度值小于第一灰阶阈值,则将该像素为待调节像素,将待调节像素的灰阶值调整为零灰阶,并对与待调节像素接近的像素进行灰阶补偿。
The present invention provides a display screen adjustment method and device for a rotating display screen, and a rotating display screen, belonging to the technical field of display, which can at least partially solve the problem of color shift in the existing rotating display screen due to low grayscale pixels. In a display screen adjustment method for a rotating display screen of the present invention, the rotating display screen includes a plurality of pixels distributed in an array, and can rotate at a specific angular velocity with a line parallel to the column pixels and passing through the rotating display screen as an axis, and at different phases The middle rotating display screen displays different pictures, and the method includes: determining a first grayscale threshold value according to the characteristics of the rotating display screen; comparing the grayscale value of the pixel lit in the image of the current phase with the first grayscale threshold value; The grayscale value of the pixel lit in the image of the current phase is less than the first grayscale threshold, the pixel is regarded as the pixel to be adjusted, the grayscale value of the pixel to be adjusted is adjusted to zero grayscale, and the grayscale value of the pixel to be adjusted is adjusted to be close to the pixel to be adjusted. pixel for grayscale compensation.
Description
技术领域technical field
本发明属于显示技术领域,具体涉及一种旋转显示屏的显示画面调整方法及装置、旋转显示屏。The invention belongs to the field of display technology, and in particular relates to a display screen adjustment method and device for rotating a display screen, and a rotating display screen.
背景技术Background technique
现有技术的一种旋转显示屏包括阵列分布的多个像素,该旋转显示屏能够以平行于列像素且经过旋转显示屏的线为轴以特定角速度旋转,且每旋转一个特定角度为一个相位,在不同相位中所述旋转显示屏显示不同的画面,以实现立体显示。A rotating display screen in the prior art includes a plurality of pixels distributed in an array, and the rotating display screen can rotate at a specific angular velocity with a line parallel to the column pixels and passing through the rotating display screen as an axis, and each rotation of a specific angle is a phase. , the rotating display screen displays different pictures in different phases, so as to realize stereoscopic display.
然而,如图1所示,这种旋转显示屏在显示过程中,由于像素的灰阶值太小,从而会出现显示画面的严重色偏,进而影响显示画面。However, as shown in FIG. 1 , during the display process of such a rotating display screen, since the grayscale value of the pixels is too small, a serious color shift of the display image will occur, thereby affecting the display image.
发明内容SUMMARY OF THE INVENTION
本发明至少部分解决现有的旋转显示屏由于低灰阶像素而出现的色偏的问题,提供一种改善旋转显示屏由于低灰阶像素而出现的色偏的旋转显示屏的显示画面调整方法。The present invention at least partially solves the problem of the color shift of the existing rotating display screen due to low gray-scale pixels, and provides a display image adjustment method of the rotating display screen that improves the color shift of the rotating display screen due to the low gray-scale pixels. .
解决本发明技术问题所采用的技术方案是一种旋转显示屏的显示画面调整方法,所述旋转显示屏包括阵列分布的多个像素,所述旋转显示屏能够以平行于所述列像素且经过所述旋转显示屏的线为轴以特定角速度旋转,且每旋转一个特定角度为一个相位,在不同相位中所述旋转显示屏显示不同的画面,以实现立体显示,所述显示画面调整方法包括:The technical solution adopted to solve the technical problem of the present invention is a display screen adjustment method for a rotating display screen, the rotating display screen includes a plurality of pixels distributed in an array, and the rotating display screen can be parallel to the column of pixels and pass through. The line of the rotating display screen is an axis that rotates at a specific angular velocity, and each rotation of a specific angle is a phase, and the rotating display screen displays different images in different phases to achieve stereoscopic display, and the display image adjustment method includes: :
根据所述旋转显示屏的特性确定第一灰阶阈值;determining a first grayscale threshold according to the characteristics of the rotating display screen;
将当前相位的图像中点亮的像素的灰度值与所述第一灰阶阈值比对;comparing the grayscale value of the pixel lit in the image of the current phase with the first grayscale threshold;
若当前相位的图像中点亮的像素的灰度值小于第一灰阶阈值,则将该像素为待调节像素,将所述待调节像素的灰阶值调整为零灰阶,并对与所述待调节像素接近的像素进行灰阶补偿。If the grayscale value of the pixel lit in the image of the current phase is smaller than the first grayscale threshold, the pixel is regarded as the pixel to be adjusted, and the grayscale value of the pixel to be adjusted is adjusted to zero grayscale. The grayscale compensation is performed on the pixels that are close to the pixels to be adjusted.
进一步优选的是,所述将所述待调节像素的灰阶值调整为零灰阶,并对与所述待调节像素接近的像素进行灰阶补偿包括:分别对在当前相位中与所述待调节像素同列且相邻的像素、在前一相位中与所述待调节像素位置相同的像素、在当前一相位中与所述待调节像素同列且相邻的像素、在后一相位中与所述待调节像素位置相同的像素、在当后一相位中与所述待调节像素同列且相邻的像素进行灰阶补偿。Further preferably, the adjusting the grayscale value of the pixel to be adjusted to zero grayscale, and performing grayscale compensation on the pixel close to the pixel to be adjusted includes: Pixels whose adjustment pixels are in the same column and adjacent to each other, the pixels in the same position as the pixel to be adjusted in the previous phase, the pixels in the same column and adjacent to the pixel to be adjusted in the current phase, and the pixel in the next phase are the same as the pixel to be adjusted. The pixels with the same position as the pixels to be adjusted, and the pixels in the same column and adjacent to the pixels to be adjusted in the current phase, perform gray-scale compensation.
进一步优选的是,所述对在当前相位中与所述待调节像素同列且相邻的像素进行灰阶补偿包括:将在当前相位中与所述待调节像素同列且相邻的像素的灰阶值增加Y1,Y1=kx1+d,其中,x1=a(G-z)/(2a+2b+4c),a表示同一相位中相邻行像素之间的距离,b表示相邻相位的同一像素之间的距离,G表示所述第一灰阶阈值的值,z表示所述待调节像素被调节之前的灰度值,k、d为调节值。It is further preferred that the gray-scale compensation for the pixels in the same column and adjacent to the pixel to be adjusted in the current phase includes: compensating the gray-scale of the pixels in the same column and adjacent to the pixel to be adjusted in the current phase. The value is increased by Y1, Y1=kx1+d, where x1=a(Gz)/(2a+2b+4c), a represents the distance between adjacent row pixels in the same phase, and b represents the distance between adjacent pixels in the same phase. distance between, G represents the value of the first grayscale threshold, z represents the grayscale value before the pixel to be adjusted is adjusted, and k and d are adjustment values.
进一步优选的是,所述对在前一相位中与所述待调节像素位置相同的像素、在后一相位中与所述待调节像素位置相同的像素进行灰阶补偿包括:将在前一相位中与所述待调节像素位置相同的像素以及在后一相位中与所述待调节像素位置相同的像素的灰阶值增加Y2,Y2=kx2+d,其中,x2=b(G-z)/(2a+2b+4c),其中,a表示同一相位中相邻行像素之间的距离,b表示相邻相位的同一像素之间的距离,G表示所述第一灰阶阈值的值,z表示所述待调节像素被调节之前的灰度值,k、d为调节值。It is further preferred that, performing grayscale compensation on the pixels whose positions are the same as those of the pixels to be adjusted in the previous phase and the pixels whose positions are the same as the pixels to be adjusted in the subsequent phase includes: The grayscale value of the pixel with the same position as the pixel to be adjusted and the pixel with the same position as the pixel to be adjusted in the latter phase increases by Y2, Y2=kx2+d, where x2=b(Gz)/( 2a+2b+4c), where a represents the distance between adjacent row pixels in the same phase, b represents the distance between the same pixels in adjacent phases, G represents the value of the first grayscale threshold, z represents the grayscale value of the pixel to be adjusted before being adjusted, and k and d are adjustment values.
进一步优选的是,所述对在当前一相位中与所述待调节像素同列且相邻的像素、在当后一相位中与所述待调节像素同列且相邻的像素进行灰阶补偿包括:将在当前一相位中与所述待调节像素同列且相邻的像素以及在当后一相位中与所述待调节像素同列且相邻的像素灰阶值增加Y3,Y3=kx3+d,其中,x3=c(G-z)/(2a+2b+4c),其中,a表示同一相位中相邻行像素之间的距离,b表示相邻相位的同一像素之间的距离,G表示所述第一灰阶阈值的值,z表示所述待调节像素被调节之前的灰度值,k、d为调节值。It is further preferred that the gray-scale compensation for the pixels that are in the same column and adjacent to the pixel to be adjusted in the current phase and the pixels that are in the same column and adjacent to the pixel to be adjusted in the current phase includes: Increase the grayscale value of the pixel in the same column and adjacent to the pixel to be adjusted in the current phase and the pixel in the same column and adjacent to the pixel to be adjusted in the current phase, Y3, Y3=kx3+d, where , x3=c(Gz)/(2a+2b+4c), where a represents the distance between adjacent row pixels in the same phase, b represents the distance between the same pixels in adjacent phases, G represents the value of the first grayscale threshold, z represents the grayscale value of the pixel to be adjusted before being adjusted, and k and d are adjustment values.
进一步优选的是,所述根据所述旋转显示屏的特性确定第一灰阶阈值包括:所述第一灰阶阈值为40灰阶至60灰阶。Further preferably, the determining the first grayscale threshold according to the characteristics of the rotating display screen includes: the first grayscale threshold is 40 grayscales to 60 grayscales.
解决本发明技术问题所采用的技术方案是一种旋转显示屏的显示画面调整装置,所述旋转显示屏包括阵列分布的多个像素,所述旋转显示屏能够以平行于所述列像素且经过所述旋转显示屏的线为轴以特定角速度旋转,且每旋转一个特定角度为一个相位,在不同相位中所述旋转显示屏显示不同的画面,以实现立体显示,所述调整装置包括:The technical solution adopted to solve the technical problem of the present invention is a display screen adjustment device for a rotating display screen, the rotating display screen includes a plurality of pixels distributed in an array, and the rotating display screen can be parallel to the column of pixels and pass through. The line of the rotating display screen is the axis and rotates at a specific angular velocity, and each rotation of a specific angle is a phase, and the rotating display screen displays different pictures in different phases to realize stereoscopic display, and the adjusting device includes:
获取单元,用于根据所述旋转显示屏的特性确定第一灰阶阈值;an acquisition unit, configured to determine a first grayscale threshold according to the characteristics of the rotating display screen;
比对单元,用于将当前相位的图像中点亮的像素的灰度值与所述第一灰阶阈值比对;a comparison unit, configured to compare the grayscale value of the pixel lit in the image of the current phase with the first grayscale threshold;
调整单元,用于若当前相位的图像中点亮的像素的灰度值小于第一灰阶阈值,则将该像素为待调节像素,将所述待调节像素的灰阶值调整为零灰阶,并对与所述待调节像素接近的像素进行灰阶补偿。An adjustment unit, configured to adjust the pixel to be adjusted if the grayscale value of the pixel lit in the image of the current phase is less than the first grayscale threshold, and adjust the grayscale value of the pixel to be adjusted to zero grayscale , and perform grayscale compensation on the pixels close to the to-be-adjusted pixel.
进一步优选的是,所述调整单元包括:子调整单元,用于分别对在当前相位中与所述待调节像素同列且相邻的像素、在前一相位中与所述待调节像素位置相同的像素、在当前一相位中与所述待调节像素同列且相邻的像素、在后一相位中与所述待调节像素位置相同的像素、在当后一相位中与所述待调节像素同列且相邻的像素进行灰阶补偿。It is further preferred that the adjustment unit includes: a sub-adjustment unit, which is used to respectively adjust the pixels that are in the same column and adjacent to the pixel to be adjusted in the current phase, and the pixels that are in the same position as the pixel to be adjusted in the previous phase. Pixels, pixels in the same column and adjacent to the pixel to be adjusted in the current phase, pixels in the same position as the pixel to be adjusted in the next phase, and in the same column as the pixel to be adjusted in the current phase Neighboring pixels are grayscale compensated.
解决本发明技术问题所采用的技术方案是一种旋转显示屏,包括上述的旋转显示屏的显示画面调整装置。The technical solution adopted to solve the technical problem of the present invention is a rotating display screen, including the above-mentioned display screen adjustment device of the rotating display screen.
进一步优选的是,所述旋转显示屏为Mini LED旋转显示屏或者Micro LED旋转显示屏。Further preferably, the rotating display screen is a Mini LED rotating display screen or a Micro LED rotating display screen.
附图说明Description of drawings
附图是用来提供对本发明的进一步理解,并且构成说明书的一部分,与下面的具体实施方式一起用于解释本发明,但并不构成对本发明的限制。在附图中:The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and together with the following specific embodiments, are used to explain the present invention, but do not constitute a limitation to the present invention. In the attached image:
图1为现有技术的旋转显示屏低灰阶下色坐标偏移曲线图;Fig. 1 is the color coordinate shift curve diagram under the low gray scale of the rotating display screen of the prior art;
图2为本发明的实施例的一种旋转显示屏的显示画面调整方法流程示意图;2 is a schematic flowchart of a method for adjusting a display image of a rotating display screen according to an embodiment of the present invention;
图3为本发明的实施例的一种旋转显示屏的显示画面调整方法流程示意图;3 is a schematic flowchart of a method for adjusting a display image of a rotating display screen according to an embodiment of the present invention;
图4a和图4b为本发明的实施例的一种旋转显示屏的旋转立体示意图;4a and 4b are schematic perspective views of a rotating display screen according to an embodiment of the present invention;
图5a和图5b为本发明的实施例的一种旋转显示屏的旋转俯视示意图;5a and 5b are schematic top views of a rotating display screen according to an embodiment of the present invention;
图6为本发明的实施例的一种旋转显示屏的显示画面调整方法中进行灰阶补偿的像素的示意图;FIG. 6 is a schematic diagram of pixels performing gray-scale compensation in a display image adjustment method for a rotating display screen according to an embodiment of the present invention;
图7为本发明的实施例的一种旋转显示屏的显示画面调整装置的结构示意框图。FIG. 7 is a schematic structural block diagram of an apparatus for adjusting a display image of a rotating display screen according to an embodiment of the present invention.
具体实施方式Detailed ways
为使本领域技术人员更好地理解本发明的技术方案,下面结合附图和具体实施方式对本发明作进一步详细描述。In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
以下将参照附图更详细地描述本发明。在各个附图中,相同的元件采用类似的附图标记来表示。为了清楚起见,附图中的各个部分没有按比例绘制。此外,在图中可能未示出某些公知的部分。The present invention will be described in more detail below with reference to the accompanying drawings. In the various figures, like elements are designated by like reference numerals. For the sake of clarity, various parts in the figures have not been drawn to scale. Additionally, some well-known parts may not be shown in the drawings.
在下文中描述了本发明的许多特定的细节,例如部件的结构、材料、尺寸、处理工艺和技术,以便更清楚地理解本发明。但正如本领域的技术人员能够理解的那样,可以不按照这些特定的细节来实现本发明。Numerous specific details of the invention are described below, such as the construction of components, materials, dimensions, processing and techniques, in order to provide a clearer understanding of the invention. However, as can be understood by one skilled in the art, the present invention may be practiced without these specific details.
实施例1:Example 1:
如图2至图6所示,本实施例提供一种旋转显示屏的显示画面调整方法,旋转显示屏包括阵列分布的多个像素,旋转显示屏能够以平行于列像素且经过旋转显示屏的线为轴以特定角速度旋转,且每旋转一个特定角度为一个相位,在不同相位中旋转显示屏显示不同的画面,以实现立体显示,显示画面调整方法包括:As shown in FIG. 2 to FIG. 6 , this embodiment provides a method for adjusting a display screen of a rotating display screen. The rotating display screen includes a plurality of pixels distributed in an array. The line is the axis and rotates at a specific angular velocity, and each rotation of a specific angle is a phase, and the display screen is rotated in different phases to display different images to achieve stereoscopic display. The display image adjustment method includes:
S11、根据旋转显示屏的特性确定第一灰阶阈值。S11. Determine a first grayscale threshold according to the characteristics of the rotating display screen.
其中,也就是说不同的旋转显示屏由于其特性各不相同(制备工艺、作用材料等的不同),第一灰阶阈值也不同。若将像素的灰阶等级分为0灰阶至255灰阶,则第一灰阶阈值一般为低灰阶,例如60灰阶以下。Among them, that is to say, different rotating display screens have different first grayscale thresholds due to their different characteristics (differences in preparation processes, working materials, etc.). If the gray level of the pixel is divided into 0 gray level to 255 gray level, the first gray level threshold is generally a low gray level, for example, below 60 gray level.
需要说明的是,旋转显示屏的旋转过程,如图4a至5b所示,其中如4b中的虚线1表示旋转轴,图5b中的数字表示相位。It should be noted that the rotation process of the rotating display screen is shown in Figures 4a to 5b, wherein the
S12、将当前相位的图像中点亮的像素的灰度值与第一灰阶阈值比对。S12. Compare the grayscale value of the pixel lit in the image of the current phase with the first grayscale threshold value.
其中,也就是说以第一灰阶阈值为基准,对当前相位的图像中点亮的像素的灰度值进行筛选。Wherein, that is to say, based on the first grayscale threshold, the grayscale values of the pixels lit in the image of the current phase are screened.
S13、若当前相位的图像中点亮的像素的灰度值小于第一灰阶阈值,则将该像素为待调节像素(图4b和图6中的O点所示),将待调节像素的灰阶值调整为零灰阶,并对与待调节像素接近的像素进行灰阶补偿。S13. If the grayscale value of the pixel lit in the image of the current phase is smaller than the first grayscale threshold, the pixel is regarded as the pixel to be adjusted (shown at point O in FIG. 4b and FIG. 6 ), and the pixel to be adjusted is set to The grayscale value is adjusted to zero grayscale, and grayscale compensation is performed on the pixels close to the pixel to be adjusted.
其中,也就是说根据当前相位的图像中点亮的像素的灰度值,对该像素附近的像素的灰阶进行补偿。Wherein, that is to say, according to the grayscale value of the pixel lit in the image of the current phase, the grayscale of the pixel near the pixel is compensated.
需要说明的是,本实施中的旋转显示屏的每一个相位都具有一个图像,若需要旋转显示屏显示静止的立体图像时,每一个图像均为一个由线条形成的图像,这样当旋转显示屏开始旋转显示时,则可以显示出一个立体的图像。因此,每一个图像中点亮的像素的个数相对较少。It should be noted that each phase of the rotating display screen in this implementation has an image. If the display screen needs to be rotated to display a still stereoscopic image, each image is an image formed by lines. When the display is rotated, a stereoscopic image can be displayed. Therefore, the number of lit pixels in each image is relatively small.
本实施例的旋转显示屏的显示画面调整方法中,通过将低灰阶的像素以及该像素附件的像素进行灰阶补偿,从而可避免低灰阶像素出现的色偏,且在利用视觉残留原理下,会改善旋转显示屏所显示的画面的画质,以使旋转显示的立体图像会更加自然。In the display image adjustment method of the rotating display screen of this embodiment, by performing gray-scale compensation on the low-gray-scale pixels and the pixels attached to the pixels, the color shift of the low-gray-scale pixels can be avoided, and the principle of visual persistence is used. , it will improve the picture quality of the picture displayed by the rotating monitor, so that the stereoscopic image of the rotating display will be more natural.
实施例2:Example 2:
如图2至图6所示,本实施例提供一种旋转显示屏的显示画面调整方法,旋转显示屏包括阵列分布的多个像素,旋转显示屏能够以平行于列像素且经过旋转显示屏的线为轴以特定角速度旋转,且每旋转一个特定角度为一个相位,在不同相位中旋转显示屏显示不同的画面,以实现立体显示,显示画面调整方法包括:As shown in FIG. 2 to FIG. 6 , this embodiment provides a method for adjusting a display screen of a rotating display screen. The rotating display screen includes a plurality of pixels distributed in an array. The line is the axis and rotates at a specific angular velocity, and each rotation of a specific angle is a phase, and the display screen is rotated in different phases to display different images to achieve stereoscopic display. The display image adjustment method includes:
S21、根据旋转显示屏的特性确定第一灰阶阈值。S21. Determine a first grayscale threshold according to the characteristics of the rotating display screen.
其中,也就是说不同的旋转显示屏由于其特性各不相同(制备工艺、作用材料等的不同),第一灰阶阈值也不同。若将像素的灰阶等级分为0灰阶至255灰阶,则第一灰阶阈值一般为低灰阶,例如60灰阶以下。Among them, that is to say, different rotating display screens have different first grayscale thresholds due to their different characteristics (differences in preparation processes, working materials, etc.). If the gray level of the pixel is divided into 0 gray level to 255 gray level, the first gray level threshold is generally a low gray level, for example, below 60 gray level.
具体的,第一灰阶阈值为40灰阶至60灰阶,优选的为50灰阶。Specifically, the first grayscale threshold is 40 grayscales to 60 grayscales, preferably 50 grayscales.
需要说明的是,旋转显示屏的旋转过程,如图4a至5b所示,其中如4b中的虚线1表示旋转轴,图5b中的数字表示相位。旋转显示屏的旋转轴可以是位于显示屏的行像素的中心,也可以是位于首列像素处。本实施的旋转显示屏的显示画面调整方法以旋转轴可以是以位于显示屏的行像素的中心为例说明的。It should be noted that the rotation process of the rotating display screen is shown in Figures 4a to 5b, wherein the dotted
此外,本实施的旋转显示屏可以是平面的显示屏,也可以曲面显示屏。In addition, the rotating display screen of this embodiment may be a flat display screen or a curved display screen.
S22、将当前相位的图像中点亮的像素的灰度值与第一灰阶阈值比对。S22. Compare the grayscale value of the pixel lit in the image of the current phase with the first grayscale threshold value.
其中,也就是说以第一灰阶阈值为基准,对当前相位的图像中点亮的像素的灰度值进行筛选。Wherein, that is to say, based on the first grayscale threshold, the grayscale values of the pixels lit in the image of the current phase are screened.
S23、若当前相位的图像中点亮的像素的灰度值小于第一灰阶阈值,则将该像素为待调节像素(图4b和图6中的O点所示),将待调节像素的灰阶值调整为零灰阶(相当于黑色),并对与待调节像素接近的像素进行灰阶补偿,以使减小由待调节像素产生的色偏。S23. If the grayscale value of the pixel lit in the image of the current phase is less than the first grayscale threshold, then the pixel is the pixel to be adjusted (shown at point O in FIG. 4b and FIG. 6 ), and the pixel to be adjusted is set to The grayscale value is adjusted to zero grayscale (equivalent to black), and grayscale compensation is performed on the pixels close to the pixels to be adjusted, so as to reduce the color shift caused by the pixels to be adjusted.
其中,也就是说根据当前相位的图像中点亮的像素的灰度值,对该像素附近的像素的灰阶进行补偿。Wherein, that is to say, according to the grayscale value of the pixel lit in the image of the current phase, the grayscale of the pixel near the pixel is compensated.
优选的,将待调节像素的灰阶值调整为零灰阶,并对与待调节像素接近的像素进行灰阶补偿包括:Preferably, adjusting the grayscale value of the pixel to be adjusted to zero grayscale, and performing grayscale compensation on the pixel close to the pixel to be adjusted includes:
分别对在当前相位中与待调节像素同列且相邻的像素、在前一相位中与待调节像素位置相同的像素、在当前一相位中与待调节像素同列且相邻的像素、在后一相位中与待调节像素位置相同的像素、在当后一相位中与待调节像素同列且相邻的像素进行灰阶补偿。For the pixels that are in the same column and adjacent to the pixel to be adjusted in the current phase, the pixel that is in the same position as the pixel to be adjusted in the previous phase, the pixel that is in the same column and adjacent to the pixel to be adjusted in the current phase, and the pixel that is adjacent to the pixel to be adjusted in the previous phase. The pixel in the same phase as the pixel to be adjusted, and the pixel adjacent to the same column as the pixel to be adjusted in the current phase, perform gray-scale compensation.
如图4a和图5a所示,X1表示当前相位,X2表示前一相位,X3表示后一相位。As shown in Figure 4a and Figure 5a, X1 represents the current phase, X2 represents the previous phase, and X3 represents the latter phase.
需要说明的是,本实施中的旋转显示屏的每一个相位都具有一个图像,若需要旋转显示屏显示静止的立体图像时,每一个图像均为一个由线条形成的图像,这样当旋转显示屏开始旋转显示时,则可以显示出一个立体的图像。因此,每一个图像中点亮的像素的个数相对较少,因此,在本实施例的旋转显示屏的显示画面调整方法中,只需要根据待调节像素对上述几类像素的灰阶进行补偿就能够避免低灰阶产生的色偏。It should be noted that each phase of the rotating display screen in this implementation has an image. If the display screen needs to be rotated to display a still stereoscopic image, each image is an image formed by lines. When the display is rotated, a stereoscopic image can be displayed. Therefore, the number of lit pixels in each image is relatively small. Therefore, in the display image adjustment method of the rotating display screen of this embodiment, it is only necessary to compensate the gray scales of the above-mentioned types of pixels according to the pixels to be adjusted. It can avoid the color cast caused by low gray scale.
具体的,将在当前相位中与待调节像素同列且相邻的像素的灰阶值增加Y1,Y1=kx1+d,x1=a(G-z)/(2a+2b+4c);将在前一相位中与待调节像素位置相同的像素以及在后一相位中与待调节像素位置相同的像素的灰阶值增加Y2,Y2=kx2+d,x2=b(G-z)/(2a+2b+4c);将在当前一相位中与待调节像素同列且相邻的像素以及在当后一相位中与待调节像素同列且相邻的像素灰阶值增加Y3,Y3=kx3+d,其中,x3=c(G-z)/(2a+2b+4c);其中,a表示同一相位中相邻行像素之间的距离(Pitch),b表示相邻相位的同一像素之间的距离,G表示第一灰阶阈值的值,z表示待调节像素被调节之前的灰度值。Specifically, in the current phase, the grayscale value of the adjacent pixel in the same column as the pixel to be adjusted is increased by Y1, Y1=kx1+d, x1=a(Gz)/(2a+2b+4c); The grayscale value of the pixel at the same position as the pixel to be adjusted in the phase and the pixel at the same position as the pixel to be adjusted in the latter phase is increased by Y2, Y2=kx2+d, x2=b(Gz)/(2a+2b+4c ); the pixels in the same column and adjacent to the pixel to be adjusted in the current phase and the pixel grayscale value in the same column and adjacent to the pixel to be adjusted in the current phase increase Y3, Y3=kx3+d, where x3 =c(Gz)/(2a+2b+4c); where a represents the distance (Pitch) between adjacent row pixels in the same phase, b represents the distance between the same pixels in adjacent phases, G represents the value of the first grayscale threshold, and z represents the grayscale value of the pixel to be adjusted before being adjusted.
需要说明的是,当b表示相邻相位的同一像素之间的距离时,则b=αr,α表示当前相位与相邻相位之间的夹角,r表示待调节像素与旋转轴的距离;而r可根据待调节像素的位置与a计算出。It should be noted that when b represents the distance between the same pixels of adjacent phases, then b=αr, α represents the angle between the current phase and the adjacent phase, and r represents the distance between the pixel to be adjusted and the rotation axis; And r can be calculated according to the position of the pixel to be adjusted and a.
此外,若α的角度较小(如1°),则a和b垂直,b近似为直线,则表示待调节像素与在相邻相位中与待调节像素同列且相邻的像素之间的距离。In addition, if the angle of α is small (such as 1°), then a and b are perpendicular, and b is approximately a straight line, then Indicates the distance between the pixel to be adjusted and the adjacent pixels in the same column as the pixel to be adjusted in adjacent phases.
如图6所示,X1表示当前相位,O表示待调节像素,P表示在当前相位中与待调节像素同列且相邻的像素,X2表示前一相位,Q表示前一相位中与待调节像素同列且相邻的像素,a、b、c分别对应上述公式中的a、b、c。后一相位的像素位置与上述类似不再详细描述。As shown in Figure 6, X1 represents the current phase, O represents the pixel to be adjusted, P represents the pixel in the same column and adjacent to the pixel to be adjusted in the current phase, X2 represents the previous phase, and Q represents the pixel to be adjusted in the previous phase. For pixels in the same column and adjacent to each other, a, b, and c correspond to a, b, and c in the above formula, respectively. The pixel positions of the latter phase are similar to those described above and will not be described in detail.
S24、若当前相位的图像中点亮的像素的灰度值大于等于第一灰阶阈值,则当前相位的图像中点亮的像素的灰度值保持不变。S24. If the grayscale value of the pixel lit in the image of the current phase is greater than or equal to the first grayscale threshold, the grayscale value of the pixel lit in the image of the current phase remains unchanged.
本实施例的旋转显示屏的显示画面调整方法中,通过将低灰阶的像素以及该像素附件的像素进行灰阶补偿,从而可避免低灰阶像素出现的色偏,且在利用视觉残留原理下,会改善旋转显示屏所显示的画面的画质,以使旋转显示的立体图像会更加自然。In the display image adjustment method of the rotating display screen of this embodiment, by performing gray-scale compensation on the low-gray-scale pixels and the pixels attached to the pixels, the color shift of the low-gray-scale pixels can be avoided, and the principle of visual persistence is used. , it will improve the picture quality of the picture displayed by the rotating monitor, so that the stereoscopic image of the rotating display will be more natural.
实施例3:Example 3:
如图7所示,本实施例提供一种旋转显示屏的显示画面调整装置,旋转显示屏包括阵列分布的多个像素,旋转显示屏能够以平行于列像素且经过旋转显示屏的线为轴以特定角速度旋转,且每旋转一个特定角度为一个相位,在不同相位中旋转显示屏显示不同的画面,以实现立体显示,调整装置包括:As shown in FIG. 7 , this embodiment provides a display screen adjustment device for a rotating display screen. The rotating display screen includes a plurality of pixels distributed in an array. The rotating display screen can take a line parallel to the column pixels and passing through the rotating display screen as an axis. Rotating at a specific angular velocity, and each rotating a specific angle is a phase, and rotating the display screen in different phases to display different images to achieve stereoscopic display, the adjustment device includes:
获取单元,用于根据旋转显示屏的特性确定第一灰阶阈值;an acquisition unit, configured to determine the first grayscale threshold according to the characteristics of the rotating display screen;
比对单元,用于将当前相位的图像中点亮的像素的灰度值与第一灰阶阈值比对;a comparison unit, configured to compare the grayscale value of the pixel lit in the image of the current phase with the first grayscale threshold;
调整单元,用于若当前相位的图像中点亮的像素的灰度值小于第一灰阶阈值,则将该像素为待调节像素,将待调节像素的灰阶值调整为零灰阶,并对与待调节像素接近的像素进行灰阶补偿,以使减小由待调节像素产生的色偏。The adjustment unit is configured to, if the grayscale value of the pixel lit in the image of the current phase is smaller than the first grayscale threshold, then the pixel is the pixel to be adjusted, and the grayscale value of the pixel to be adjusted is adjusted to zero grayscale, and Grayscale compensation is performed on the pixels close to the pixels to be adjusted, so as to reduce the color shift caused by the pixels to be adjusted.
优选的,调整单元包括:子调整单元,用于分别对在当前相位中与待调节像素同列且相邻的像素、在前一相位中与待调节像素位置相同的像素、在当前一相位中与待调节像素同列且相邻的像素、在后一相位中与待调节像素位置相同的像素、在当后一相位中与待调节像素同列且相邻的像素进行灰阶补偿。Preferably, the adjustment unit includes: a sub-adjustment unit, which is used to respectively adjust the pixels that are in the same column and adjacent to the pixel to be adjusted in the current phase, the pixel that is in the same position as the pixel to be adjusted in the previous phase, and the pixel to be adjusted in the current phase. Gray-scale compensation is performed on adjacent pixels in the same column and adjacent to the pixels to be adjusted, pixels in the same position as the pixels to be adjusted in the next phase, and adjacent pixels in the same column as the pixels to be adjusted in the current phase.
本实施例的旋转显示屏的显示画面调整装置中,能够将低灰阶的像素以及该像素附件的像素进行灰阶补偿,从而可避免低灰阶像素出现的色偏,且在利用视觉残留原理下,会改善旋转显示屏所显示的画面的画质,以使旋转显示的立体图像会更加自然。In the display screen adjustment device of the rotating display screen of this embodiment, the low grayscale pixels and the pixels attached to the pixels can be grayscale compensated, so that the color shift of the low grayscale pixels can be avoided, and the principle of visual retention can be used. , it will improve the picture quality of the picture displayed by the rotating monitor, so that the stereoscopic image of the rotating display will be more natural.
实施例4:Example 4:
本实施例提供一种旋转显示屏,实施例3中的旋转显示屏的显示画面调整装置。This embodiment provides a rotating display screen, the display screen adjustment device for the rotating display screen in the third embodiment.
具体的,旋转显示屏为Mini LED旋转显示屏或者Micro LED旋转显示屏。此外,本实施的旋转显示屏可以是平面的显示屏,也可以曲面显示屏。Specifically, the rotating display is a Mini LED rotating display or a Micro LED rotating display. In addition, the rotating display screen of this embodiment may be a flat display screen or a curved display screen.
应当说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括要素的过程、方法、物品或者设备中还存在另外的相同要素。It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article, or device that includes the element.
依照本发明的实施例如上文所述,这些实施例并没有详尽叙述所有的细节,也不限制该发明仅为所述的具体实施例。显然,根据以上描述,可作很多的修改和变化。本说明书选取并具体描述这些实施例,是为了更好地解释本发明的原理和实际应用,从而使所属技术领域技术人员能很好地利用本发明以及在本发明基础上的修改使用。本发明仅受权利要求书及其全部范围和等效物的限制。Embodiments in accordance with the present invention are described above, but these embodiments do not exhaust all the details and do not limit the invention to only the specific embodiments described. Obviously, many modifications and variations are possible in light of the above description. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can make good use of the present invention and modifications based on the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.
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