CN110580871A - method for intelligently compensating residual shadow - Google Patents
method for intelligently compensating residual shadow Download PDFInfo
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- CN110580871A CN110580871A CN201910724507.4A CN201910724507A CN110580871A CN 110580871 A CN110580871 A CN 110580871A CN 201910724507 A CN201910724507 A CN 201910724507A CN 110580871 A CN110580871 A CN 110580871A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
Abstract
the invention discloses a method for intelligently compensating residual shadows, which comprises the following steps: obtaining logo area boundary information; acquiring environmental information; judging whether a viewer exists or not according to the environment information; selecting a compensation mode according to the judgment result; acquiring compensation data according to the compensation mode and the boundary information of the logo area; implementing compensation according to the compensation data; the intelligent ghost compensation method provided by the invention judges whether a viewer exists or not by detecting the environmental information, and selects the compensation mode, so that the purposes of relieving the logo ghost problem and optimizing the service life prolonging effect of the display are achieved.
Description
Technical Field
The invention relates to the technical field of display, in particular to an intelligent ghost image compensation method.
Background
The continuous development and progress of display technologies such as LCD displays, AMOLED displays, and the like have led to increasingly abundant display products.
In the daily application process, the influence of the afterimage caused by the display content Logo of the display on the display quality is large, and the afterimage becomes a key factor for limiting the service life of the display. In order to slow down the influence of Logo ghost problems on the display effect of a display and prolong the service life of the display, various display Logo compensation methods are developed in the industry.
The existing ghost compensation scheme mainly aims at a Logo area and a peripheral Logo area to perform small-range and small-amplitude adjustment on display data so as to reduce the brightness difference between a Logo area and a non-Logo area, and therefore the purpose of relieving Logo ghost is achieved.
Obviously, in the existing ghost compensation scheme, the compensation intensity for the Logo area is unchanged, and in order to prevent the display effect from being affected by ghost compensation, the compensation degree for the Logo area is low, and the compensation effect for the Logo area is limited.
therefore, it is desirable to provide an intelligent ghost compensation method capable of intelligently adjusting the compensation intensity to solve the above problems.
Disclosure of Invention
The present invention is directed to solve the above problems and to provide an intelligent ghost compensation method capable of intelligently adjusting the compensation intensity.
In order to achieve the above purpose, the method for intelligently compensating the afterimage adopts the following technical means.
A method for intelligently compensating afterimages is applied to a display terminal, a display screen of the display terminal is provided with a logo area and a non-logo area, and the method comprises the following steps:
acquiring boundary information of a logo area;
Acquiring environment information of the environment where the display screen is located;
Judging whether a viewer exists or not according to the environment information;
Selecting a compensation mode according to the judgment result;
Acquiring compensation data according to a compensation mode and the boundary information of the logo area; and the number of the first and second groups,
And compensating according to the compensation data.
further, in the step of acquiring the boundary information of the logo area, detecting the picture information of the display screen in real time; and judging the logo area according to whether the detected picture information changes within the preset time threshold value, and further acquiring the boundary information of the logo area.
Further, in the step of obtaining the environmental information of the environment where the display screen is located, the environmental information of the environment where the display screen is located is obtained in at least one of a face recognition mode, a human eye recognition mode or a temperature detection mode.
Further, in the step of determining whether there is a viewer according to the environment information, when it is determined that there is a viewer, selecting a first compensation mode; when it is determined that there is no viewer, the second compensation mode is selected.
Further, when the first compensation mode is selected, compensation is performed in at least one of the following ways:
Reducing the display brightness of the logo area and keeping the display brightness of the non-logo area unchanged; and the number of the first and second groups,
and reducing the display brightness of the logo area and improving the display brightness of the non-logo area.
further, when the second compensation mode is selected, compensation is performed in at least one of the following ways: filling the display data of the logo area with non-logo area display data instead of or through linear interpolation; and setting the logo area as a black picture or a low-gray picture.
A display terminal, comprising: the display screen is provided with a logo area and a non-logo area, and the logo area and the non-logo area are provided with at least one pixel unit; the first acquisition module is used for acquiring the boundary information of the logo area of the display screen; the second acquisition module is used for acquiring at least one of face information, pupil information or human body temperature information of the environment where the display screen is located; the selection module is in signal connection with the second acquisition module and is used for judging whether the viewer exists according to the information acquired by the second acquisition module and selecting a compensation mode according to the viewer existence; the compensation module is in signal connection with the first acquisition module and the selection module and is used for generating compensation data according to the compensation mode and the boundary information of the logo area; and the control module is in signal connection with the compensation module and the pixel unit, is used for sending a display driving signal to the pixel unit, and is used for changing the display driving signal according to the compensation data generated by the compensation module.
further, the first obtaining module comprises: the environment information detection device is arranged on the display screen and used for acquiring at least one of image information or temperature information in the environment where the display screen is located; and the environment information analysis module is in signal connection with the environment information detection device and is used for receiving the environment information acquired by the environment information detection device and analyzing the face information, the pupil information or the human body temperature information in the environment information.
Further, the display terminal is an LCD display or an AMOLED display.
The method for intelligently compensating the residual image has the advantages that:
(1) the method for intelligently compensating the ghost shadow judges whether a viewer exists or not by detecting the environment information, and can intelligently select the compensation intensity according to whether the viewer selects the compensation intensity or not, so that the viewing experience of the viewer is improved.
(2) By setting the compensation modes with different strengths, the aims of relieving the logo ghost shadow problem and optimizing the service life prolonging effect of the display can be achieved.
drawings
Fig. 1 is a schematic view of a display terminal according to the present invention.
Fig. 2 is a schematic diagram of a display screen of the display terminal according to the present invention.
FIG. 3 is a flow chart of the method for intelligently compensating for image sticking according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
in this patent document, the drawings discussed below and the embodiments used to describe the principles of the present disclosure are by way of illustration only and should not be construed in any way to limit the scope of the present disclosure. Those skilled in the art will understand that the principles of the present invention may be implemented in any suitably arranged system. Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. Further, a terminal according to an exemplary embodiment will be described in detail with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements.
the terms used in the description of the present invention are only used to describe specific embodiments, and are not intended to show the concept of the present invention. Unless the context clearly dictates otherwise, expressions used in the singular form encompass expressions in the plural form. In the present specification, it is to be understood that terms such as "comprising," "having," and "containing" are intended to specify the presence of stated features, integers, steps, acts, or combinations thereof, as taught in the present specification, and are not intended to preclude the presence or addition of one or more other features, integers, steps, acts, or combinations thereof. Like reference symbols in the various drawings indicate like elements.
fig. 1 is a schematic view of a display screen of a display terminal according to the present invention. It is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. The display terminal 10 will be described in detail below.
Fig. 1 is a schematic view of a display terminal according to the present invention. As shown in fig. 1, the present invention provides a display terminal 10, wherein the display terminal 10 includes a display screen 100, a first obtaining module 200, a second obtaining module 300, a selecting module 400, a compensating module 500, and a control module 600.
The display screen 100 comprises a logo area and a non-logo area, wherein the logo area and the non-logo area are respectively provided with at least one pixel unit; the first obtaining module 200 is configured to obtain boundary information of a logo area of the display screen 100; the second obtaining module 300 is configured to obtain face information, pupil information, or human body temperature information of an environment where the display screen is located; the selecting module 400 is in signal connection with the second obtaining module 300, and is configured to determine whether there is a viewer according to the information obtained by the second obtaining module 300, and select a compensation mode according to a determination result of whether there is a viewer; the compensation module 500 is in signal connection with the first obtaining module 200, the selecting module 400 and the pixel unit, and is configured to generate compensation data according to the selection result of the compensation mode and the boundary information of the logo area; the control module 600 is in signal connection with the compensation module 500 and the pixel unit, and is configured to send a display driving signal to the pixel unit, and modify the display driving signal according to a compensation number received from the compensation module 500.
Specifically, the second acquiring module 300 has an environmental information detecting device 310 and an environmental information analyzing module 320. The environment information detecting device 310 is disposed on the display screen 100 for acquiring at least one of environment image information or temperature information. The environment information analyzing module 320 is in signal connection with the environment information detecting device 310, and is configured to receive information obtained by the environment information detecting device 310 and analyze face information, pupil information, or human body temperature information in the environment information.
In this embodiment, the environment information detecting device 310 is an image sensor, and the image sensor is configured to acquire image information within a certain viewing angle range of an environment where the display screen 100 is located and transmit the image information to the environment information analyzing module 320. The environment information analysis module 320 is written with an image information analysis program, and can analyze the biometric information of a person, such as face information or pupil information, in the environment information.
In other embodiments, the environmental information detecting device 310 is a temperature sensor, and the temperature sensor can detect the temperature information of the environment where the display screen 100 is located and transmit the temperature information to the environmental information analyzing module 320. The environment information analyzing module 4320 is written with a temperature information analyzing program, and can analyze the body temperature information of the person in the environment information.
As shown in fig. 2, fig. 2 is a schematic view of a display screen of the display terminal according to the present invention. In implementation, the environmental information detection device 310 can be disposed at an intermediate position below the display screen 100.
it should be noted that, the display device 10 of the present invention does not limit the specific position of the environmental information detection device 310, as long as the environmental information detection device 310 can detect the environmental information within a certain viewing angle range of the display screen 310.
As shown in fig. 3, an embodiment of the present invention provides an intelligent ghost compensation method, which is applied to the display terminal 10, and the method specifically includes the following steps:
s0: providing the display terminal 10;
S1: obtaining logo area boundary information;
s2: acquiring environment information of the environment where the display screen is located;
S3: judging whether a viewer exists or not according to the environment information;
S4: selecting a compensation mode according to the judgment result;
S5: acquiring compensation data according to a compensation mode and the boundary information of the logo area; and the number of the first and second groups,
S6: and compensating according to the compensation data.
The method for intelligently compensating the afterimages judges whether a viewer exists or not by utilizing the detection environment information, and further selects the compensation modes with different intensities according to whether the viewer exists or not. For example, if a current viewer is judged according to the result of the environmental information acquisition, a first compensation mode with low compensation intensity is adopted to avoid that the viewing experience of the viewer is influenced by the large compensation intensity of the logo area; if no viewer is currently judged, the second compensation mode with higher compensation intensity is adopted, although the influence on the display content is larger, the viewer-free viewer can avoid the display content from being degraded and perceived, a better logo ghost compensation effect can be obtained, and the service life of the display is obviously prolonged.
therefore, the method for intelligently compensating the afterimage realizes the intelligent combination of the watching requirement and the selection of the compensation mode, and further can achieve the purposes of relieving the afterimage problem in the logo area and optimizing the service life prolonging effect of the display.
wherein, in the step S1, the boundary information of the logo area is acquired by:
S1-1, detecting the picture information of the display screen 100 in real time;
s1-2, judging a logo area according to whether the detected picture information changes within a preset time threshold; and the number of the first and second groups,
And S1-3, acquiring boundary information of the logo area.
Specifically, after the display screen 310 starts to display, the picture information in the whole display area range of the display screen 310 is monitored in real time; when the repeated occurrence time of the same picture information in a certain area exceeds the preset time threshold, judging that the area is a logo area; then, a certain algorithm is used for detecting and acquiring the boundary information of the logo area.
The method for detecting and acquiring the boundary information of the Logo region can adopt a common edge detection algorithm, such as a Roberts operator, a Sobel operator or a LOG operator. Specifically, after filtering the display image, a convolution operation is performed with the input picture information using an operator template of an algorithm (matrix of n × n, different matrix values are set according to the type of the detected edge).
In practical applications, the preset time threshold may be set according to the requirements of practical applications, and may be, for example, 60s or 30 s.
In step S2, the environment information of the environment where the display screen 310 is located is obtained through at least one of face recognition, eye recognition or temperature detection. Specifically, image information and/or temperature information of an environment in which the display screen 310 is located is detected, and the image information and/or the temperature information is parsed to obtain information about a biological feature of a person, such as at least one of face information, pupil information, or body temperature information.
In a specific implementation, the image information and the temperature information can be obtained by an environmental information detection device 310, such as an image detection sensor or a temperature sensor, disposed on the display screen 100. The present invention is not limited to this specific acquisition mode.
by adopting technologies such as face recognition, eye recognition or temperature detection, whether a viewer is in front of the display screen 100 can be detected in real time, so that the viewing requirements and the display requirements are intelligently distinguished, and the service life of the display can be prolonged.
in step S4, the selecting a compensation mode according to the presence or absence of the viewer includes: selecting a first compensation mode if a viewer is available; if there is no viewer, the second compensation mode is selected.
the compensation method of the first compensation mode comprises the following steps: reducing the display brightness of the logo area and keeping the display brightness of the non-logo area unchanged; or, reducing the display brightness of the logo area and improving the display brightness of the non-logo area; at least one of the above two methods.
the compensation method of the second compensation mode comprises the following steps: filling the display data of the logo area with non-logo area display data instead of or through linear interpolation; or setting the logo area as a black picture or a low-gray picture; at least one of the above two methods.
In the existing logo area compensation design, the logo area compensation strength is fixed and weak. The method for intelligently compensating the afterimages sets the first compensation mode and the second compensation mode with different strengths so as to determine whether a viewer is used as a reference for selecting the compensation mode, and then intelligently select the compensation mode with different strengths, thereby ensuring better display effect of the viewer, improving viewing experience, improving the compensation strength of the afterimages and prolonging the service life of the display.
In step S5, the compensation data can be acquired by calculating the positional information of the pixel cells and the display drive information in the logo region and the non-logo region around the logo region by a compensation method set in the first compensation mode or the second compensation mode.
specifically, the compensation data includes compensation data of display driving signals of a plurality of pixel units within a logo region and/or a non-logo region.
In the step S6, the display settings of the logo area and the non-logo area can be changed by adjusting the display driving signal of each pixel unit in the logo area and the non-logo area according to the compensation data, so as to realize the compensation according to the compensation data.
In specific implementation, the control module 600 adjusts the display driving signal sent to the pixel unit according to the compensation data of the compensation module 500, so that the display settings of the logo area and the non-logo area can be adjusted according to the method set by the first compensation mode or the second compensation mode.
The method for intelligently compensating the ghost shadow judges whether a viewer exists or not by detecting the environmental information, and selects the compensation intensity according to whether the viewer exists or not. By adjusting the display of the display screen 100 according to whether the viewer has different intensities, the consumption speed of each organic material in the logo area can be reduced, the ghost image is reduced, the color difference generated by the display screen is avoided, the aging speed of the display screen is effectively reduced, and meanwhile, the viewing experience of the viewer is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. a method for intelligently compensating afterimages is applied to a display terminal, and a display screen of the display terminal is provided with a logo area and a non-logo area, and is characterized by comprising the following steps:
acquiring boundary information of a logo area;
Acquiring environment information of the environment where the display screen is located;
Judging whether a viewer exists or not according to the environment information;
Selecting a compensation mode according to the judgment result;
acquiring compensation data according to a compensation mode and the boundary information of the logo area; and the number of the first and second groups,
And compensating according to the compensation data.
2. The method for intelligently compensating the afterimage according to claim 1, wherein in the step of obtaining the boundary information of the logo area, the picture information of the display screen is detected in real time; and judging the logo area according to whether the detected picture information changes within the preset time threshold value, and further acquiring the boundary information of the logo area.
3. the method for intelligently compensating for afterimages according to claim 1, wherein in the step of obtaining the environmental information of the environment where the display screen is located, the environmental information of the environment where the display screen is located is obtained in at least one of a human face recognition mode, a human eye recognition mode or a temperature detection mode.
4. the method of claim 1, wherein in the step of determining whether there is a viewer according to the environment information, when it is determined that there is a viewer, a first compensation mode is selected; when it is determined that there is no viewer, the second compensation mode is selected.
5. The method for intelligently compensating for afterimages according to claim 4, wherein when said first compensation mode is selected, compensation is performed in at least one of the following ways:
Reducing the display brightness of the logo area and keeping the display brightness of the non-logo area unchanged; and the number of the first and second groups,
and reducing the display brightness of the logo area and improving the display brightness of the non-logo area.
6. The method for intelligently compensating for afterimages according to claim 4, wherein when said second compensation mode is selected, compensation is performed in at least one of the following ways:
Filling the display data of the logo area with non-logo area display data instead of or through linear interpolation; and the number of the first and second groups,
and setting the logo area as a black picture or a low-gray picture.
7. A display terminal, comprising:
The display screen is provided with a logo area and a non-logo area, and the logo area and the non-logo area are provided with at least one pixel unit;
the first acquisition module is used for acquiring the boundary information of the logo area of the display screen;
The second acquisition module is used for acquiring at least one of face information, pupil information or human body temperature information of the environment where the display screen is located;
the selection module is in signal connection with the second acquisition module and is used for judging whether the viewer exists according to the information acquired by the second acquisition module and selecting a compensation mode according to the viewer existence;
The compensation module is in signal connection with the first acquisition module and the selection module and is used for generating compensation data according to the compensation mode and the boundary information of the logo area; and the number of the first and second groups,
And the control module is in signal connection with the compensation module and the pixel unit, and is used for sending a display driving signal to the pixel unit and changing the display driving signal according to the compensation data generated by the compensation module.
8. The display terminal of claim 7, wherein the first obtaining module comprises: the environment information detection device is arranged on the display screen and used for acquiring at least one of image information or temperature information in the environment where the display screen is located; and the environment information analysis module is in signal connection with the environment information detection device and is used for receiving the environment information acquired by the environment information detection device and analyzing the face information, the pupil information or the human body temperature information in the environment information.
9. The display terminal of claim 7, wherein the display terminal is an LCD display or an AMOLED display.
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| CN201910724507.4A CN110580871A (en) | 2019-08-07 | 2019-08-07 | method for intelligently compensating residual shadow |
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| CN201910724507.4A CN110580871A (en) | 2019-08-07 | 2019-08-07 | method for intelligently compensating residual shadow |
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