CN110580886A - brightness adjusting method of display screen and related product - Google Patents
brightness adjusting method of display screen and related product Download PDFInfo
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- CN110580886A CN110580886A CN201910728289.1A CN201910728289A CN110580886A CN 110580886 A CN110580886 A CN 110580886A CN 201910728289 A CN201910728289 A CN 201910728289A CN 110580886 A CN110580886 A CN 110580886A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The embodiment of the application provides a brightness adjusting method of a display screen and a related product, wherein the method comprises the following steps: acquiring weather information of the position of an outdoor display screen; determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen; and adjusting the brightness value of the outdoor display screen according to the included angle. The embodiment of the application is favorable for improving the display effect of the outdoor display screen.
Description
Technical Field
The application relates to the technical field of display, in particular to a brightness adjusting method of a display screen and a related product.
background
with the development of science and technology, a large number of outdoor display screens are arranged in taxies, buses and cities, and the outdoor display screens are used for propagandizing culture and commercial advertisements. However, the display contents in the outdoor display screens are input in advance by a person in charge of the outdoor display screens to show the user the products to be promoted of the advertisers. However, after the advertisement content is input to the outdoor display screen at present, the advertisement content is displayed according to the default brightness value, and because the default brightness value is difficult to adapt to various complex and changeable environmental light brightness, the user cannot clearly view the advertisement content on the outdoor display screen in some environments, thereby reducing the advertisement effect and the user experience.
disclosure of Invention
the embodiment of the application provides a brightness adjusting method of a display screen and a related product, aiming to adjust the brightness value of the display screen according to sunlight and improve the adaptability of the display screen to environment.
In a first aspect, an embodiment of the present application provides a method for adjusting brightness of a display screen, where the method includes:
acquiring weather information of the position of an outdoor display screen;
Determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
And adjusting the brightness value of the outdoor display screen according to the included angle.
In a second aspect, an embodiment of the present application provides a brightness adjusting apparatus for a display screen, including:
The acquisition unit is used for acquiring weather information of the position of the outdoor display screen;
the determining unit is used for determining an included angle between the solar ray and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
And the adjusting unit adjusts the brightness value of the outdoor display screen according to the included angle.
in a third aspect, embodiments of the present application provide an electronic device, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for performing the steps in the method according to the first aspect.
in a fourth aspect, embodiments of the present application provide a computer-readable storage medium, which stores a computer program, where the computer program makes a computer execute the method according to the first aspect.
in a fifth aspect, embodiments of the present application provide a computer program product comprising a non-transitory computer-readable storage medium storing a computer program, the computer being operable to cause a computer to perform the method according to the first aspect.
The embodiment of the application has the following beneficial effects:
It can be seen that, in the embodiment of the application, weather information is obtained, the irradiation angle to the outdoor display screen is determined based on weather information sunlight, and the brightness value of the outdoor display screen is adjusted according to the angle, so that the display brightness of the outdoor display screen is adaptive to the ambient brightness, the defect that the outdoor display screen cannot be clearly watched due to solar irradiation is eliminated, the watching effect of a user on the outdoor display screen is improved, and the user experience is improved.
drawings
in order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
fig. 1A is a schematic structural diagram of an outdoor display screen according to an embodiment of the present application;
fig. 1B is a schematic flowchart of a method for adjusting brightness of a display screen according to an embodiment of the present disclosure;
FIG. 1C is a schematic diagram of a method for determining a coverage area according to an embodiment of the present disclosure
Fig. 1D is a schematic diagram of determining a viewing angle according to an embodiment of the present application;
Fig. 2 is a schematic flowchart of another method for adjusting brightness of a display screen according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of another method for adjusting brightness of a display screen according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an adjusting apparatus according to an embodiment of the present disclosure;
fig. 5 is a block diagram illustrating functional units of an adjusting apparatus according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
reference herein to "an embodiment" means that a particular feature, result, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The electronic device in the present application may include a smart Phone (such as an Android Phone, an iOS Phone, a Windows Phone, etc.), a tablet computer, a palm computer, a notebook computer, a Mobile Internet device MID (Mobile Internet Devices, abbreviated as MID), a wearable device, and the like, and the electronic device is merely an example, but not an exhaustive list, and includes but is not limited to the electronic device, and in practical applications, the electronic device may further include: intelligent vehicle-mounted terminal, computer equipment and the like.
referring to fig. 1A, fig. 1A is an outdoor display screen provided in an embodiment of the present application, where the outdoor display screen is provided with a positioning module 101, an LED array 104, a processor 103, and a voltage control module 104, where:
The positioning module 101 is configured to acquire position information of an outdoor display screen and send the position information to the processor 103;
The processor 103 is configured to acquire weather information corresponding to the position information of the outdoor display screen;
The processor 103 is further configured to determine an included angle between the solar ray and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
The processor 103 is further configured to determine a target brightness value of the outdoor display screen according to the included angle, determine a target PWM duty ratio of the power supply voltage to the LED array 104 based on the target brightness value, and send the PWM duty ratio to the voltage control module 102;
and the voltage control module 102 is configured to adjust the PWM duty ratio of the power supply voltage to the target PWM duty ratio.
It can be seen that in the embodiment of the application, outdoor display screen independently acquires weather information, confirms the angle of illumination based on weather information sunlight, according to this angle automatic adjustment luminance value to make outdoor display screen's demonstration luminance adapt to ambient brightness, realize the automation to the luminance adjustment, and solve present drawback that can't watch because the sun shines, improve the user and to the viewing effect of display screen, improve user experience.
referring to fig. 1B, fig. 1B is a method for adjusting brightness of a display screen according to an embodiment of the present application, where the method is applied to an outdoor display screen shown in fig. 1A, and the method includes:
101: and acquiring weather information of the position of the outdoor display screen.
The position of the outdoor display screen is obtained through the positioning module in the outdoor display screen, then live weather information corresponding to the position is obtained from a weather database, the live weather information comprises a sunshine index, a dressing index and the like, and the cloudy and sunny state at the current moment is mainly obtained in the application.
102: and determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen.
The orientation of the outdoor display screen is set by an installer and stored in a memory of the outdoor display screen, generally speaking, if the outdoor display screen is installed in parallel, when the sunlight irradiates the front of the outdoor display screen, the included angle between the sunlight and the outdoor display screen at the current moment is the included angle between the sunlight and the horizon, and when the sunlight irradiates the back of the outdoor display screen, the included angle between the sunlight and the outdoor display screen at the current moment is the supplementary angle between the sunlight and the horizon.
103: and adjusting the brightness value of the outdoor display screen according to the included angle.
When the included angle is larger than or equal to 90 degrees, namely sunlight irradiates the back of the outdoor display screen, the brightness value of the outdoor display screen is adjusted to be a default brightness value, when the included angle is smaller than 90 degrees, a target brightness value corresponding to the included angle is obtained, and the brightness value of the outdoor display screen is adjusted to be the target brightness value.
the outdoor display screen independently acquires weather information, determines an irradiation angle based on weather information sunlight, and automatically adjusts the brightness value according to the angle, so that the display brightness of the outdoor display screen is adaptive to the ambient brightness, the brightness adjustment is automatically realized, the defect that the outdoor display screen cannot be watched due to sun irradiation at present is overcome, the watching effect of a user on the display screen is improved, and the user experience is improved.
In some possible embodiments, an LED array is disposed in the outdoor display screen, the LED array includes LED lamps of at least two light emitting colors, and before the adjusting the brightness value of the outdoor display screen according to the included angle, the method further includes: determining the sunshine index at the current moment according to the weather information; and determining a target LED lamp corresponding to the sunlight index, wherein the luminous color of the target LED lamp is matched with the sunlight index, so that the brightness value of the target LED lamp is adjusted according to the included angle. In the embodiment, the advertisement content is displayed by using the LED matched with the sunlight index, so that the display effect of the outdoor display screen is improved.
In some possible embodiments, an LED array is disposed in the outdoor display screen, and during the period of adjusting the brightness value of the outdoor display screen according to the included angle, the method further includes: acquiring display content on the display screen, extracting keywords from the display content to obtain a keyword group, and determining a target LED lamp in the outdoor display screen LED array, wherein the target LED lamp is used for correspondingly displaying the keyword group; the implementation process of adjusting the brightness value of the outdoor display screen according to the included angle may be as follows: and adjusting the brightness value of the target LED lamp according to the included angle. In the embodiment, by extracting the keywords, the power consumption is reduced and adjusted as much as possible when the user is ensured to watch the complete display content under the irradiation of any angle of the sunlight, and the intellectualization of the brightness adjustment of the display screen is realized.
in some possible embodiments, when a building exists in a preset range in front of the outdoor display screen, the adjusting the brightness value of the outdoor display screen according to the included angle may be implemented by: determining the irradiation direction of the solar ray at the current moment; when the illumination direction passes through the orientation of the outdoor display screen, determining a shielding area of the outdoor display screen by the building; determining a non-shielded area of the outdoor display screen according to the shielded area; and adjusting the brightness value corresponding to the non-blocked area according to the included angle. It can be seen that, in the embodiment, the non-blocked area is determined, and the display brightness of the non-blocked area is adjusted in a targeted manner, so that invalid adjustment is avoided, extra display power consumption is avoided, and user experience is improved.
The preset range can be a semicircular range with the outdoor display screen as a circle center and the radius of R, or a rectangular range with the length of a and the width of b, wherein the a and the b are respectively greater than the length and the width of the outdoor display screen.
In some possible implementations, the implementation process of determining the occlusion area of the outdoor display screen by the building in the foregoing embodiment may be: determining an included angle between the solar ray and the horizon at the current moment; acquiring a first height and a width of the building; acquiring a second height of the outdoor display screen and a distance between the outdoor display screen and the building; determining the projection length of the building according to the included angle and the first height; and determining the shielding area of the building to the outdoor display screen according to the projection length, the second height, the width and the distance.
for example, as shown in fig. 1C, if the included angle between the sunlight and the horizon at the current moment is a, the distance between the outdoor display screen and the building is S, the height of the display screen is H1, and the height of the building is H2, the projection L of the building is H2/tanA, and since L is greater than S, the projection of the building blocks the outdoor display screen, as shown in fig. 1C, the blocking length of the outdoor display screen is (L-S-H1), and since the width of the outdoor display screen is W, the area of the blocking area is (L-S-H1) W, so that the blocking area of the gray area shown in fig. 1 is obtained.
In some possible embodiments, before adjusting the brightness value corresponding to the non-occluded area according to the included angle, the method further includes: acquiring image data of a viewer in a second front preset range of the outdoor display screen; determining the height of each viewer in the front preset range according to the image data to obtain the average height of the viewers in the front preset area; and acquiring a preset viewing angle corresponding to the average height, wherein the preset viewing angle is a preset included angle between a sight line and the outdoor display screen when a viewer watches the outdoor display screen in the front preset area. In the embodiment, the user viewing angle of the outdoor display screen is acquired, so that the brightness is adjusted in a targeted manner according to the viewer in front of the outdoor display screen, the adjusted brightness value is adapted to the viewer, the viewing effect of the display screen is improved, and the user experience is improved.
Wherein, the second front preset range may be: the preset range can be a semicircular range with the outdoor display screen as a circle center and a radius of R, or a rectangular range with a length of a and a width of b, wherein the a and the b are respectively larger than the length and the width of the outdoor display screen.
wherein, the process of determining the height of each viewer in the front preset range according to the image data to obtain the average height of the viewers in the front preset area may be: determining portrait data in the image data, and determining the image height of a viewer corresponding to the portrait data according to the portrait data, wherein the image height is the height of the viewer in the image data; and determining the actual height of the viewer according to the scaling of the outdoor display screen and the image height, namely determining the height of each viewer, wherein the height and the viewing angle have a preset mapping relation, and determining the viewing angle corresponding to the average height according to the preset mapping relation. Because the viewing angles of the users are different, the effect of the sunlight on the sight of the users is different, and therefore when the brightness value is adjusted, the viewing angle of the users is considered, so that the brightness adjustment is more accurate, and the viewing effect of the users is ensured.
for example, as shown in fig. 1D, the angle B in fig. 1D is the viewing angle of any viewer in the second front predetermined range.
In the above possible implementation manner, after the preset included angle is obtained, the implementation process of adjusting the brightness value corresponding to the non-blocked area according to the included angle may be as follows: and determining a target brightness value corresponding to the outdoor display screen according to the included angle and the viewing angle, and adjusting the display brightness of the outdoor display screen to the target brightness value.
referring to fig. 2, fig. 2 is a diagram of another brightness adjustment method for a display screen according to an embodiment of the present application, where the method is applied to an outdoor display screen shown in fig. 1A, and the method includes:
201: and acquiring weather information of the position of the outdoor display screen.
202: and determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen.
203: when there is the building in the first place ahead of outdoor display screen orientation direction is predetermine the within range, confirms the irradiation direction of the sun light at present moment, when the irradiation direction passes through outdoor display screen's orientation, confirm the building is to outdoor display screen's the region of sheltering from.
204: and determining the non-shielding area of the outdoor display screen according to the shielding area.
205: and adjusting the brightness value corresponding to the non-blocked area according to the included angle.
The outdoor display screen can autonomously acquire weather information, determines an irradiation angle based on weather information sunlight, and automatically adjusts the brightness value according to the angle, so that the display brightness of the outdoor display screen is adaptive to the ambient brightness, the brightness adjustment automation is realized, the defect that the display screen cannot be watched due to the sun irradiation at present is overcome, the watching effect of a user on the display screen is improved, and the user experience is improved; in addition, when the brightness is adjusted, the influence of surrounding buildings is considered, so that a non-shielded area in the outdoor display screen is determined, the non-shielded area is subjected to targeted brightness adjustment, and extra power consumption is avoided.
It should be noted that, for the specific implementation of the steps of the method shown in fig. 2, reference may be made to the specific implementation of the method described in fig. 1B, and a description thereof is omitted here.
Referring to fig. 3, fig. 3 is a diagram of another brightness adjustment method for a display screen according to an embodiment of the present application, where the method is applied to an outdoor display screen shown in fig. 1A, and the method includes:
301: and acquiring weather information of the position of the outdoor display screen.
302: and determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen.
303: when there is the building in the first place ahead of outdoor display screen orientation direction is predetermine the within range, confirms the irradiation direction of the sun light at present moment, when the irradiation direction passes through outdoor display screen's orientation, confirm the building is to outdoor display screen's the region of sheltering from.
304: and determining the non-shielding area of the outdoor display screen according to the shielding area.
305: and acquiring image data of a viewer in a second front preset range of the outdoor display screen.
306: and determining the height of each viewer in the front preset range according to the image data to obtain the average height of the viewers in the front preset area.
307: and acquiring a preset viewing angle corresponding to the average height, wherein the preset viewing angle is a preset included angle between a sight line and the outdoor display screen when a viewer watches the outdoor display screen in the front preset area.
308: and determining a target brightness value corresponding to the outdoor display screen according to the included angle and the viewing angle, and adjusting the display brightness of the outdoor display screen to the target brightness value.
the outdoor display screen can autonomously acquire weather information, determines an irradiation angle based on weather information sunlight, and automatically adjusts the brightness value according to the angle, so that the display brightness of the outdoor display screen is adaptive to the ambient brightness, the brightness adjustment automation is realized, the defect that the display screen cannot be watched due to the sun irradiation at present is overcome, the watching effect of a user on the display screen is improved, and the user experience is improved; in addition, when the brightness is adjusted, the influence of surrounding buildings is considered, so that a non-shielded area in the outdoor display screen is determined, the targeted brightness adjustment is performed on the non-shielded area, and the additional power consumption is avoided; in addition, the target brightness value corresponding to the viewing angle of the user is adjusted by considering the influence of the viewing angle of the user, so that the viewing effect of the user is further improved.
It should be noted that, for the specific implementation of the steps of the method shown in fig. 3, reference may be made to the specific implementation of the method described in fig. 1B, and a description thereof is omitted here.
Referring to fig. 4 in accordance with the embodiments shown in fig. 1B, fig. 2, and fig. 3, fig. 4 is a schematic structural diagram of a brightness adjustment apparatus 400 of a display screen according to an embodiment of the present disclosure, as shown in fig. 4, the brightness adjustment apparatus 400 includes a processor, a memory, a communication interface, and one or more programs, where the one or more programs are different from the one or more application programs, and the one or more programs are stored in the memory and configured to be executed by the processor, and the programs include instructions for performing the following steps:
Acquiring weather information of the position of an outdoor display screen;
Determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
and adjusting the brightness value of the outdoor display screen according to the included angle.
In some possible embodiments, when there is a building in a first front preset range of the facing direction of the outdoor display screen, and the brightness value of the outdoor display screen is adjusted according to the included angle, the above program is specifically configured to execute the following steps:
determining the irradiation direction of the solar ray at the current moment;
When the illumination direction passes through the orientation of the outdoor display screen, determining a shielding area of the outdoor display screen by the building;
Determining a non-shielded area of the outdoor display screen according to the shielded area;
And adjusting the brightness value corresponding to the non-blocked area according to the included angle.
In some possible embodiments, the above program is specifically for executing the following steps when determining the occlusion area of the outdoor display screen by the building:
Determining an included angle between the solar ray and the horizon at the current moment;
Acquiring a first height and a width of the building;
acquiring a second height of the outdoor display screen and a distance between the outdoor display screen and the building;
determining the projection length of the building according to the included angle and the first height;
and determining the shielding area of the building to the outdoor display screen according to the projection length, the second height, the width and the distance.
in some possible embodiments, before adjusting the brightness value corresponding to the non-occluded area according to the included angle, the program is further configured to execute the following steps:
acquiring image data of a viewer in a second front preset range of the outdoor display screen;
determining the height of each viewer in the front preset range according to the image data to obtain the average height of the viewers in the front preset area;
acquiring a preset viewing angle corresponding to the average height, wherein the preset viewing angle is a preset included angle between a sight line and the outdoor display screen when a viewer in the front preset area views the outdoor display screen;
In this possible implementation, when the brightness value corresponding to the non-blocked area is adjusted according to the included angle, the program is specifically configured to execute the following instruction: and determining a target brightness value corresponding to the outdoor display screen according to the included angle and the viewing angle, and adjusting the display brightness of the outdoor display screen to the target brightness value.
referring to fig. 5, fig. 5 shows a block diagram of a possible functional unit composition of the brightness adjusting apparatus 500 of the display screen according to the above embodiment, and the adjusting apparatus 500 includes: an obtaining unit 510, a determining unit 520 and an adjusting unit 530, wherein:
An obtaining unit 510, which obtains weather information of a position where the outdoor display screen is located;
the determining unit 520 determines an included angle between the solar ray and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
And an adjusting unit 530 for adjusting the brightness value of the outdoor display screen according to the included angle.
acquiring weather information of the position of an outdoor display screen;
determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
And adjusting the brightness value of the outdoor display screen according to the included angle.
In some possible embodiments, when there is a building in the first front preset range of the facing direction of the outdoor display screen, and the brightness value of the outdoor display screen is adjusted according to the included angle, the adjusting unit 530 is specifically configured to:
Determining the irradiation direction of the solar ray at the current moment;
When the illumination direction passes through the orientation of the outdoor display screen, determining a shielding area of the outdoor display screen by the building;
determining a non-shielded area of the outdoor display screen according to the shielded area;
and adjusting the brightness value corresponding to the non-blocked area according to the included angle.
in some possible embodiments, when determining the occlusion area of the outdoor display screen by the building, the adjusting unit 530 is specifically configured to:
Determining an included angle between the solar ray and the horizon at the current moment;
Acquiring a first height and a width of the building;
Acquiring a second height of the outdoor display screen and a distance between the outdoor display screen and the building;
determining the projection length of the building according to the included angle and the first height;
And determining the shielding area of the building to the outdoor display screen according to the projection length, the second height, the width and the distance.
in some possible embodiments, before adjusting the brightness value corresponding to the non-occluded area according to the included angle, the adjusting unit 530 is further configured to execute the following steps:
Acquiring image data of a viewer in a second front preset range of the outdoor display screen;
Determining the height of each viewer in the front preset range according to the image data to obtain the average height of the viewers in the front preset area;
Acquiring a preset viewing angle corresponding to the average height, wherein the preset viewing angle is a preset included angle between a sight line and the outdoor display screen when a viewer in the front preset area views the outdoor display screen;
In this possible implementation manner, when the brightness value corresponding to the non-occluded area is adjusted according to the included angle, the adjusting unit 530 is specifically configured to execute the following instructions: and determining a target brightness value corresponding to the outdoor display screen according to the included angle and the viewing angle, and adjusting the display brightness of the outdoor display screen to the target brightness value.
Embodiments of the present application further provide a computer storage medium, where the computer storage medium stores a computer program, and the computer program is executed by a processor to implement part or all of the steps of any one of the methods for adjusting brightness of a display screen described in the above method embodiments.
Embodiments of the present application also provide a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute some or all of the steps of any one of the methods for adjusting brightness of a display screen as described in the above method embodiments.
it should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that the acts and modules referred to are not necessarily required in this application.
in the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
the integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A method for adjusting the brightness of a display screen is characterized by comprising the following steps:
acquiring weather information of the position of an outdoor display screen;
Determining an included angle between the sunlight and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
and adjusting the brightness value of the outdoor display screen according to the included angle.
2. The method of claim 1, wherein the adjusting the brightness value of the outdoor display screen according to the included angle when a building exists within a first front preset range of the direction of the outdoor display screen comprises:
determining the irradiation direction of the solar ray at the current moment;
When the illumination direction passes through the orientation of the outdoor display screen, determining a shielding area of the outdoor display screen by the building;
determining a non-shielded area of the outdoor display screen according to the shielded area;
and adjusting the brightness value corresponding to the non-blocked area according to the included angle.
3. the method of claim 2, wherein the determining an area of the building that obscures the outdoor display screen comprises:
determining an included angle between the solar ray and the horizon at the current moment;
Acquiring a first height and a width of the building;
Acquiring a second height of the outdoor display screen and a distance between the outdoor display screen and the building;
determining the projection length of the building according to the included angle and the first height;
And determining the shielding area of the building to the outdoor display screen according to the projection length, the second height, the width and the distance.
4. The method according to claim 2 or 3, wherein before adjusting the brightness value corresponding to the non-occluded area according to the included angle, the method further comprises:
Acquiring image data of a viewer in a second front preset range of the outdoor display screen;
determining the height of each viewer in the front preset range according to the image data to obtain the average height of the viewers in the front preset area;
acquiring a preset viewing angle corresponding to the average height, wherein the preset viewing angle is a preset included angle between a sight line and the outdoor display screen when a viewer in the front preset area views the outdoor display screen;
The adjusting the brightness value corresponding to the non-blocked area according to the included angle includes: and determining a target brightness value corresponding to the outdoor display screen according to the included angle and the viewing angle, and adjusting the display brightness of the outdoor display screen to the target brightness value.
5. An adjustment device for a display screen, comprising:
the acquisition unit is used for acquiring weather information of the position of the outdoor display screen;
the determining unit is used for determining an included angle between the solar ray and the outdoor display screen at the current moment according to the weather information and the orientation of the outdoor display screen;
And the adjusting unit adjusts the brightness value of the outdoor display screen according to the included angle.
6. The apparatus of claim 5, wherein when a building is present within a first predetermined front range of the outdoor display screen orientation direction,
when adjusting the brightness value of the outdoor display screen according to the included angle, the adjusting unit is specifically configured to: determining the irradiation direction of the solar ray at the current moment;
When the illumination direction passes through the orientation of the outdoor display screen, determining a shielding area of the outdoor display screen by the building; determining a non-shielded area of the outdoor display screen according to the shielded area; and adjusting the brightness value corresponding to the non-blocked area according to the included angle.
7. The method of claim 6,
when the shielding area of the outdoor display screen by the building is determined, the adjusting unit is specifically configured to: determining an included angle between the solar ray and the horizon at the current moment; acquiring a first height and a width of the building; acquiring a second height of the outdoor display screen and a distance between the outdoor display screen and the building; determining the projection length of the building according to the included angle and the first height; and determining the shielding area of the building to the outdoor display screen according to the projection length, the second height, the width and the distance.
8. The device according to claim 5 or 6, wherein before adjusting the brightness value corresponding to the non-blocked area according to the included angle, the adjusting unit is further configured to obtain image data of a viewer in a second front preset range of the outdoor display screen;
Determining the height of each viewer in the front preset area according to the image data to obtain the average height of the viewers in the second front preset range; acquiring a preset viewing angle corresponding to the average height, wherein the preset viewing angle is a preset included angle between a sight line and the outdoor display screen when a viewer in the front preset area views the outdoor display screen;
when the brightness value corresponding to the non-blocked area is adjusted according to the included angle, the adjusting unit is specifically configured to: and determining a target brightness value corresponding to the outdoor display screen according to the included angle and the viewing angle, and adjusting the display brightness of the outdoor display screen to the target brightness value.
9. an electronic device comprising a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps of the method of any of claims 1-4.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which is executed by a processor to implement the method according to any one of claims 1-4.
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Application publication date: 20191217 |