CN105721740A - Method for compensating moving image of flat-panel television - Google Patents

Method for compensating moving image of flat-panel television Download PDF

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Publication number
CN105721740A
CN105721740A CN 201610049350 CN201610049350A CN105721740A CN 105721740 A CN105721740 A CN 105721740A CN 201610049350 CN201610049350 CN 201610049350 CN 201610049350 A CN201610049350 A CN 201610049350A CN 105721740 A CN105721740 A CN 105721740A
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image
moving image
moving
step
rate
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CN 201610049350
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Chinese (zh)
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张承业
肖涛
范小霞
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四川长虹电器股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/21Circuitry for suppressing or minimising disturbance, e.g. moiré, halo, even if the automatic gain control is involved
    • H04N5/211Ghost signal cancellation

Abstract

The invention discloses a method for compensating a moving image of a flat-panel television. The method is mainly as follows: each frame is used for sampling the movement rate; a dynamic motion compensation algorithm having different weight coefficients is carried out according to different image object motion rates; the ghosting phenomenon easily happening due to the rate change can be avoided while jitter of the moving image is improved; and thus, the effect of the moving image is greatly improved.

Description

平板电视运动图像的补偿方法 The method of compensating a moving image flat panel TV

技术领域 FIELD

[0001]本发明涉及智能电视技术领域,具体涉及一种平板电视运动图像的补偿方法。 [0001] The present invention relates to the technical field of smart television, particularly relates to a flat panel television compensation method of a moving image.

背景技术 Background technique

[0002]背光的调整对与运动图像效果处理的好坏是衡量平板电视的一个重要标准,目前,平板电视的显示屏一般是60Hz或者120Hz的帧率,而越来越多的节目都是低频率的,比如电影一般都是24帧,此时,需要对24帧的电影进行插帧运算来减弱运动图像的抖动,传统的插帧运算一般采用3:2的帧复制算法或者采用静态的插帧运算(所有插帧运算采取同一模式进行)来对运动图像的抖动进行改善,但是如果图像中运动的物体速率是变化的,则传统的插帧运算容易带来鬼影现象。 [0002] adjust the backlight on the quality of the moving image effects processing is an important measure of flat-panel TVs, at present, is generally flat panel TV display frame rate of 60Hz or 120Hz, while an increasing number of programs are low frequency, such as movie are generally 24, at this time, the film 24 need to be interpolated frame operation to reduce the jitter of the moving image, the conventional frame interpolation calculation generally use 3: 2 frames of the copy algorithm or static interpolation calculating frame (interpolation frame all adopt the same mode operation) to improve the jitter of the moving image, but if the object image motion rate is varied, the conventional interpolation frame operation likely to result in ghosting.

发明内容 SUMMARY

[0003]本发明克服了现有技术的不足,提供一种平板电视运动图像的补偿方法。 [0003] The present invention overcomes the disadvantages of the prior art, there is provided a method of compensating a moving image flat panel TV.

[0004]为解决上述的技术问题,本发明采用以下技术方案: [0004] In order to solve the above technical problem, the present invention employs the following technical solution:

[0005] —种平板电视运动图像的补偿方法,它包括一下步骤: [0005] - Species flat TV moving image compensation method, comprising the steps at:

[0006]步骤I,确定运动图像变化速率△ L对应插帧运算中图像所占前帧图像的权重大小值a的对应表; [0006] Step I, to determine the moving image corresponding to the rate of change △ L calculation right interpolation frame image occupies the major front frame image correspondence table a small value;

[0007]步骤2,通过debug工具将显示屏按照物理像素分割为若干个等面积区域,通过USB接口接入运动图像的测试信号; [0007] Step 2, the display is divided by the debug tool according to a number of other physical pixel area of ​​the region, through the USB interface to access a moving image of a test signal;

[0008]步骤3,运动图像中运动物体在等面积区域内运动,运动物体在第一帧的位置为A,记为La,到第二帧时,运动物体已经移动到位置B,记为Lb; Moving the area of ​​the region [0008] Step 3, a moving object in a moving image, etc., the first position of the moving object in the frame is A, referred to as La, when the second frame, the moving object has moved to the position B, the denoted as Lb ;

[0009]步骤4,测试出La与Lb之间的距离,即为运动图像变化速率AL; [0009] Step 4, the distance between the test La and Lb, AL is the rate of change of the moving image;

[0010]步骤5,如果运动物体的运动图像变化速率△ L的值越大,则进行插帧运算时将运动物体在前一帧的图像的权重大小值a越大,如果运动物体的运动图像变化速率△ L的值越小,则进行插帧运算时将物体在前一帧的图像的权重大小值a越小; [0010] Step 5, if the motion of the moving object image larger the rate of change △ L value, the operation performed when the interpolation frame image of the moving object a right front small value a significant larger, if the moving image of the moving object rate of change △ L smaller the value, the right image for a small value of less significant interpolation frame when a first operation the object;

[0011 ]步骤6,根据权重大小值a的赋值进行动态的插帧运算 [0011] Step 6, the dynamic calculation of the interpolation frame in accordance with weights assigned a value of less significant

[0012]与现有技术相比,本发明的有益效果是: [0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013]本发明采用的插帧算法为动态的插帧算法,即根据相邻帧图像运动速率的大小进行动态的插帧,该算法能够改善运动图像抖动的同时,并避免了运动物体速率变化的图像容易产生的鬼影现象,大幅度的提升了运动图像的效果。 [0013] interpolated frames algorithm employed in the present invention, the interpolation frame dynamic algorithm, i.e., the dynamic interpolation frame according to the size of the adjacent frame image motion rate, the algorithm can be improved at the same time moving the image shake, and avoids the rate of change moving object prone to ghosting of images, significantly enhance the effect of moving images.

附图说明 BRIEF DESCRIPTION

[0014]图1为本发明一种实施例的平板电视运动图像的补偿方法的流程图。 [0014] FIG. 1. A method for compensating a flow chart of the moving image of the flat-panel television according to an embodiment of the present invention.

具体实施方式 Detailed ways

[0015]下面结合附图对本发明作进一步阐述。 [0015] The following drawings further illustrate the present invention for binding.

[0016]如图1所示,一种平板电视运动图像的补偿方法,其特征在于,它包括一下步骤: [0016] As shown, a flat panel television compensation method of a moving image, wherein 1, which comprises about the steps of:

[0017]步骤I,确定运动图像变化速率Δ L对应插帧运算中图像所占前帧图像的权重大小值a的对应表,例如,设定运动图像变化速率AL的值小于1000(像素单位)则权重大小值a为 [0017] Step I, determine the rate of change Δ L corresponding to the moving image interpolation frame image occupies the weight calculation frame image before a significant correspondence table a small value, e.g., rate of change of the moving image set value AL less than 1000 (in pixel units) the right to a major small value

0.3,设定运动图像变化速率AL的值大于1000(像素单位)小于2000(像素单位)则权重大小值a为0.5,运动图像变化速率Δ L的值大于2000(像素单位)则权重大小值a为0.7 ; (Pixel unit) the weight 0.3, value setting moving image rate of change of AL is greater than 1000 (pixels) is less than 2000 major smaller value a is 0.5, the moving image rate of change Δ L value is greater than 2000 (in pixel units) the weight significant small value a 0.7;

[0018]步骤2,通过debug工具将显示屏按照物理像素分割为若干个等面积区域,通过USB接口接入运动图像的测试信号; [0018] Step 2, the display is divided by the debug tool according to a number of other physical pixel area of ​​the region, through the USB interface to access a moving image of a test signal;

[0019]步骤3,运动图像中运动物体在等面积区域内运动,运动物体在第一帧的位置为A,记为La,到第二帧时,运动物体已经移动到位置B,记为Lb; Moving the area of ​​the region [0019] Step 3, a moving object in a moving image, etc., the first position of the moving object in the frame is A, referred to as La, when the second frame, the moving object has moved to the position B, the denoted as Lb ;

[0020]步骤4,测试出La与Lb之间的距离,即为运动图像变化速率AL; [0020] Step 4, the distance between the test La and Lb, AL is the rate of change of the moving image;

[0021 ]步骤5,如果运动物体的运动图像变化速率△ L的值越大,则进行插帧运算时将运动物体在前一帧的图像的权重大小值a越大,如果运动物体的运动图像变化速率△ L的值越小,则进行插帧运算时将物体在前一帧的图像的权重大小值a越小,例如,根据步骤I中的对应关系,AL〈1000(像素单位),α赋值为0.3 ; 1000< Δ L〈2000(像素单位),α赋值为0.5; Δ L>2000(像素单位),α赋值为0.7; [0021] Step 5, if the motion of the moving object image larger the rate of change △ L value, the operation performed when the interpolation frame image of the moving object a right front small value a significant larger, if the moving image of the moving object the value of the rate of change △ L smaller, the smaller will be the front right of an object image is significant when a small value of the interpolation frame operation, e.g., according to the correspondence in step I, AL <1000 (pixel unit), [alpha] assigned to 0.3; 1000 <Δ L <2000 (pixel unit), α assignment of 0.5; Δ L> 2000 (pixel unit), α assigned to 0.7;

[0022]步骤6,根据权重大小值a的赋值进行动态的插帧运算,达到对运动物体的图像个补偿,并能很好地消除鬼影等副作用。 [0022] Step 6, according to the value of a weight less significant dynamic assignment frame interpolation calculation, to achieve a compensation for the image of the moving object, and can eliminate side effects such as ghosting.

[0023]本方法主要是每帧对运动速率进行采样,根据图像物体运动速率的不同进行不同权重系数的动态运动补偿算法,改善运动图像抖动的同时,并避免了速率变化容易产生的鬼影现象,大幅提升运动图像的效果。 [0023] This method is mainly for each frame of the motion rate sampling, dynamic motion compensation algorithm weighting coefficient different weights depending on the image object motion rate, to improve motion image blur simultaneously, and avoid ghosting rate of change is likely to occur , significantly enhance the effect of moving images.

[0024]以上具体实施方式对本发明的实质进行详细说明,但并不能对本发明的保护范围进行限制,显而易见地,在本发明的启示下,本技术领域普通技术人员还可以进行许多改进和修饰,需要注意的是,这些改进和修饰都落在本发明的权利要求保护范围之内。 [0024] The above specific embodiments of the essence of the present invention will be described in detail, but does not limit the scope of the present invention, will be apparent, in light of the present invention, the present technical field of ordinary skill in the art may also be a number of improvements and modifications, it should be noted that the protective scope of the claims of these improvements and modifications fall within the claims of the present invention.

Claims (1)

  1. 1.一种平板电视运动图像的补偿方法,其特征在于,它包括一下步骤: 步骤I,确定运动图像变化速率AL对应插帧运算中图像所占前帧图像的权重大小值a的对应表; 步骤2,通过debug工具将显示屏按照物理像素分割为若干个等面积区域,通过USB接口接入运动图像的测试信号; 步骤3,运动图像中运动物体在等面积区域内运动,运动物体在第一帧的位置为A,记为La,到第二帧时,运动物体已经移动到位置B,记为Lb; 步骤4,测试出La与Lb之间的距离,即为运动图像变化速率AL; 步骤5,如果运动物体的运动图像变化速率△ L的值越大,则进行插帧运算时将运动物体在前一帧的图像的权重大小值a越大,如果运动物体的运动图像变化速率△ L的值越小,则进行插帧运算时将物体在前一帧的图像的权重大小值a越小; 步骤6,根据权重大小值a的赋值进行动态的插帧运算 CLAIMS 1. A method of compensating flat TV moving image, characterized in that it comprises at steps: Step I, AL is determined corresponding to the moving image interpolation frame rate of change calculation right front frame image occupies a small value of a significant image correspondence table; step 2, by dividing the display in accordance with the debug tool to a plurality of other physical pixel area of ​​the region, through the USB interface to access a moving image of a test signal; step 3, the motion in the moving image area of ​​a region in the moving object and the like, at the moving object position is an a, referred to as La, the second frame when the moving object has moved to the position B, the denoted as Lb; step 4, the distance between the test La and Lb, AL is the rate of change of the moving image; step 5, if the value of the motion of the moving object L image △ rate of change is larger, the operation will be performed when the interpolation frame image of the moving object is a right front magnitudes of a larger value, if the rate of change of motion of the moving image object △ the value of L smaller, the smaller will be the front right of an object image is significant when a small value of the interpolation frame operation; step 6, the dynamic calculation of the interpolation frame according to the value of a weight less significant assignment
CN 201610049350 2016-01-25 2016-01-25 Method for compensating moving image of flat-panel television CN105721740A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1407810A (en) * 2001-07-31 2003-04-02 艾迪斯株式会社 Kinematic image compression device and method thereby
US20040174459A1 (en) * 2002-08-30 2004-09-09 Holt Gary R. Video interlacing using object motion estimation
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