CN111131720A - Television control method, television and storage medium - Google Patents
Television control method, television and storage medium Download PDFInfo
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- CN111131720A CN111131720A CN201911391209.4A CN201911391209A CN111131720A CN 111131720 A CN111131720 A CN 111131720A CN 201911391209 A CN201911391209 A CN 201911391209A CN 111131720 A CN111131720 A CN 111131720A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a television control method, a television and a storage medium, wherein the method comprises the following steps: when a camera module of a television is started, acquiring the brightness of the current environment where the television is located; judging whether the brightness is smaller than a preset brightness compensation threshold value; and when the brightness of the light is smaller than a preset brightness compensation threshold value, compensating the brightness of the light by adjusting the brightness of the television screen. When the brightness is smaller than the preset brightness compensation threshold value, brightness compensation is carried out by adjusting the brightness of the television screen, the problem that the photographing and shooting effect is affected due to the fact that the brightness of the indoor environment where the television is located is limited is solved, the photographing and shooting effect, particularly the definition, can be restored, and the cost is not additionally increased.
Description
Technical Field
The present invention relates to the field of televisions, and in particular, to a television control method, a television, and a computer-readable storage medium.
Background
With the advent of the consumer upgrading era, the functions of the current household appliances are more powerful, and for example, a high-end television with a photographing and chatting function is favored by the majority of users. At present, a high-end television realizes functions such as photographing and video call by configuring a camera module, but is limited by the brightness of indoor environment where the television is located, and the photographing and shooting effects, particularly the photographing and shooting definition, are greatly influenced.
Disclosure of Invention
The invention mainly aims to provide a control method of a television, the television and a computer readable storage medium, and aims to solve the technical problem that the photographing and shooting effects of a television camera module are influenced in the prior art.
In order to achieve the above object, the present invention provides a method for controlling a television, the method comprising the steps of:
when a camera module of a television is started, acquiring the brightness of the current environment where the television is located;
judging whether the brightness is smaller than a preset brightness compensation threshold value;
and when the brightness of the light is smaller than a preset brightness compensation threshold value, compensating the brightness of the light by adjusting the brightness of the television screen.
Optionally, the step of compensating the brightness of the light by adjusting the brightness of the television screen includes:
searching a brightness compensation value corresponding to the brightness from a preset mapping relation between the ambient brightness and the brightness compensation value;
and adjusting the brightness of the television screen according to the searched brightness compensation value to compensate the brightness.
Optionally, before the step of determining whether the brightness is smaller than a preset brightness compensation threshold, the method further includes:
acquiring all corresponding ambient light brightness when the light brightness compensation value is 0 from the preset mapping relation;
and taking the minimum value of all the acquired ambient light brightness as a preset brightness compensation threshold value.
Optionally, the step of adjusting the brightness of the television screen according to the searched brightness compensation value includes:
and outputting a white field signal according to the searched brightness compensation value to adjust the brightness of the television screen.
Optionally, the step of outputting a white field signal according to the searched brightness compensation value includes:
acquiring a backlight current value corresponding to the searched brightness compensation value and the conduction number of the corresponding liquid crystal molecules;
and opening the conducting liquid crystal molecules, and outputting a white field signal according to the backlight current value.
Optionally, the step of obtaining the brightness of the environment where the current television is located includes:
the brightness of the environment where the current television is located is collected through the camera module.
Optionally, before the step of obtaining the brightness of the current environment where the television is located when the camera module of the television is started, the method further includes:
receiving a control instruction sent by equipment or a user;
and starting the camera module according to the control instruction.
Optionally, the step of starting the camera module according to the control instruction includes:
and adjusting a display interface of a television screen to a shooting mode according to the control instruction so as to trigger the camera module to start.
In addition, in order to achieve the above object, the present invention further provides a television, which includes a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein the computer program, when executed by the processor, implements the steps of the control method of the television as described above.
Further, to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the control method of a television set as described above.
According to the control method of the television, the television and the computer readable storage medium provided by the embodiment of the invention, when the camera module of the television is started, the brightness of the current environment where the television is located is obtained; judging whether the brightness is smaller than a preset brightness compensation threshold value; and when the brightness of the light is smaller than a preset brightness compensation threshold value, compensating the brightness of the television screen by adjusting the brightness of the television screen. The brightness compensation is carried out by adjusting the brightness of the screen when the brightness is smaller than a preset brightness compensation threshold value, so that the problem that the effect is influenced when the camera module is operated due to limited brightness of indoor environment where the television is located, such as photographing, is solved, the photographing camera effect, especially the definition, is restored, and because extra equipment is not added, brightness compensation is realized by adjusting the brightness of the television screen, the cost is not additionally increased, and the reasonable product cost of a manufacturer is facilitated.
Drawings
FIG. 1 is a schematic diagram of a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a television control method according to an embodiment of the present invention;
fig. 3 is a detailed flowchart of step S30 in another embodiment of the television control method according to the present invention;
fig. 4 is a flowchart illustrating a television control method according to another embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a schematic terminal structure diagram of a hardware operating environment according to an embodiment of the present invention.
The embodiment of the invention provides a television and a device for controlling the television.
The television may include components such as a communications module 10, memory 20, and a processor 30. In the television, the processor 30 is connected to the memory 20 and the communication module 10, respectively, the memory 20 having stored thereon a computer program that is executed by the processor 30 at the same time, the computer program when executed implementing the steps of the method embodiments described below.
The communication module 10 may be connected to an external communication device through a network. The communication module 10 may receive a request from an external communication device, and may also send a request, an instruction, and information to the external communication device. The external communication device can be other functional devices, such as a server, a mobile phone or other televisions and the like.
The memory 20 may be used to store software programs as well as various data. The memory 20 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (for example, determining whether the light brightness is smaller than a preset light brightness compensation threshold), and the like; the storage data area may include a database, and the storage data area may store data or information created according to the use of the television, or the like. Further, the memory 20 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 30, which is a control center of the tv, connects various parts of the whole tv using various interfaces and lines, and performs various functions of the tv and processes data by running or executing software programs and/or modules stored in the memory 20 and calling data stored in the memory 20, thereby monitoring the tv as a whole. Processor 30 may include one or more processing units; alternatively, the processor 30 may integrate an application processor that mainly processes an operating system, a user interface, an application program, and the like, a video decoder that mainly decodes a compressed video stream transmitted from a network into image frames, a graphic processor that mainly processes graphic and video rendering, and a modem processor that mainly processes wireless communication. It will be appreciated that the modem processor described above may not be integrated into the processor 30.
Although not shown in fig. 1, the television may further include a power control module for connecting to a power source to ensure the normal operation of other components. The television may include a display module, which is used to extract the data in the memory 20 and display the system interface of the television, the photographing interface of the camera, the picture played by the video, and the like. The television can also comprise a camera module, for example, a camera arranged at the upper end of the display module, and also can be a photographing module embedded in the display module. Those skilled in the art will appreciate that the television architecture shown in fig. 1 is not intended to be limiting of televisions, and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
The invention provides a television control method, which comprises the following steps:
step S10, when the camera module of the television is started, the brightness of the current environment where the television is located is obtained;
this embodiment is mainly through self software regulation under the condition that does not increase the TV part, solves the high-end TV that has camera module and is shooing, the not good problem of result of the not enough light intensity in the video conversation etc. process. The user or the slave device can send a control instruction to the television, and the television starts the camera module after receiving the control instruction. The slave device may be a terminal with a remote control function, such as a remote controller, a mobile phone, etc., and the slave device is relative to a television, which is a master device of the slave device in this embodiment. The user may send the control instruction to the television by voice or by a specific gesture, for example, the user may send a voice like "turn on a camera" or "i want to take a picture", and then the voice is collected by the audio capture module and analyzed and converted into characters, so as to determine whether the user has sent a control instruction that needs to turn on the camera module according to the recognized characters. This scheme has given the start-up mode of multiple camera module, makes the product use more intelligent convenient.
Optionally, in the process of starting the camera module according to the control instruction, after the television processor or the motherboard receives a signal corresponding to the control instruction, the display module of the television may enter the shooting interface through the screen, and then the start of the camera module is triggered, that is, the processor adjusts the display interface of the display module to the shooting mode according to the control instruction, so as to trigger the start of the camera module. Therefore, a trigger for starting the camera module is given, and certainly, the camera module can be triggered to start on the premise of having a calling authority when other application programs need to call the camera module.
It can be understood that, the process of acquiring the brightness of the current environment by the television may be directly acquiring the brightness by the camera module after the camera module is started, or acquiring the brightness by using an external acquisition device or other devices with brightness acquisition function of the television.
Step S20, judging whether the brightness is less than a preset brightness compensation threshold;
the threshold value used for determining whether brightness compensation is needed or not is preset in the scheme, the collected brightness is compared with the preset brightness compensation threshold value, when the brightness is equal to or larger than the preset brightness compensation threshold value, the brightness of the current environment is considered to be enough, compensation is not needed, and the camera module can be directly controlled to operate under the current brightness environment, such as camera shooting, video call and the like. On the contrary, if the brightness is smaller than the preset brightness compensation threshold, the problem of poor shooting effect objectively occurs when the camera module is directly used at the moment, and the brightness of the current environment where the television is located needs to be compensated actually.
And step S30, when the light brightness is smaller than a preset light brightness compensation threshold value, compensating the light brightness by adjusting the brightness of the television screen.
When the brightness of the environment where the television is located is determined to be required to be compensated, the brightness of the screen can be adjusted, for example, the brightness of the screen is increased, so that the brightness of the environment where the television is located is integrally improved by means of the improvement of the illumination brightness of the screen, and the brightness compensation is realized.
The luminance compensation can be performed by emitting a white field signal, which can be output in a form similar to a flash of a portable display device such as a mobile phone or a camera. It can be understood that, because the backlight source of the current television is white, the liquid crystal television main board can control the on or off of the switch of the liquid crystal molecules through the T-Con board so as to control the output of the image, and the effect of the work of the flash lamp can be simulated by combining the control of the output magnitude of the backlight current. Specifically, the television main board controls the liquid crystal molecules to be opened, and then controls the backlight to output white light with certain brightness according to backlight current corresponding to the brightness to be compensated, and controls the liquid crystal molecules to be closed after the white light is output, so that the backlight current is reduced to blacken the liquid crystal screen, thereby completing the work of simulating a flash lamp, and forming the effect of supplementing light when the television camera module shoots. It should be noted that, when the camera module performs a photographing operation, the liquid crystal molecules can be turned off after the photographing operation is completed, so as to reduce the backlight current; when the camera module is in a situation that a video call and the like need to be started for a long time, a white field signal can be output for a long time, liquid crystal molecules are kept open, backlight current is in a relatively high situation, so that the brightness of a screen is high, the effect of video pictures transmitted in the process of the video call and the like is ensured, and particularly, the definition is ensured.
According to the scheme, when a camera module of the television is started, the brightness of the current environment where the television is located is obtained; judging whether the brightness is smaller than a preset brightness compensation threshold value; and when the brightness of the light is smaller than a preset brightness compensation threshold value, compensating the brightness of the television screen by adjusting the brightness of the television screen. The brightness compensation is carried out by adjusting the brightness of the screen when the brightness is smaller than a preset brightness compensation threshold value, the problem that the effect is affected when the camera module is operated due to limited brightness of indoor environment where the television is located is solved, for example, photographing is carried out, the photographing effect, especially the definition, is recovered, and because extra equipment is not added, brightness compensation is realized by adjusting the brightness of the television screen, the cost is not additionally increased, and the reasonable product cost of a manufacturer is facilitated.
Further, another embodiment of the method for controlling a television according to the present invention is provided based on an embodiment of the method for controlling a television of the present invention, please refer to fig. 3 and fig. 4 together, in which the step S30 includes:
step S31, when the light brightness is smaller than a preset light brightness compensation threshold, searching a light brightness compensation value corresponding to the light brightness from a preset mapping relation between the ambient light brightness and the light brightness compensation value;
and step S32, adjusting the brightness of the television screen according to the searched brightness compensation value to compensate the brightness.
In this embodiment, a mapping relationship between the ambient light brightness and the light brightness compensation value is preset, and may be in the form of a table, for example, as shown in table 1 below. If the ambient light levels a 1-An are decreasing, the corresponding light level compensation values are increasing, i.e. the higher the ambient light level is, the lower the light level compensation value is. In addition, since the luminance compensation is not actually performed when the ambient light luminance does not satisfy the luminance compensation requirement, the luminance compensation value is 0, and the luminance compensation values a1 to A3 in table 1 do not satisfy the luminance compensation requirement, and the operations such as the photographing video of the camera module can be directly performed when the ambient light luminance is confirmed to be a1 to A3.
| Brightness of ambient light | Compensation value of light brightness |
| A1 | 0 |
| A2 | 0 |
| A3 | 0 |
| A4 | B1 |
| A5 | B2 |
| A6 | B3 |
| A7 | B4 |
| … | … |
| An | Bn |
TABLE 1
Further, a preset luminance compensation threshold may be determined according to the mapping relationship, and specifically, the boundary value of whether luminance adjustment is to be performed may be used as the preset luminance compensation threshold, which is described by taking table 1 as an example, where the preset luminance compensation threshold is a 3. When the description is given in actual text, please refer to fig. 4, two steps S40 and S50 may be provided before step S20, specifically:
step S40, obtaining all corresponding ambient light brightness when the light brightness compensation value is 0 from the preset mapping relation;
in step S50, the minimum value of all the acquired ambient light intensities is used as a preset brightness compensation threshold.
It should be noted that the boundary value is determined according to the compensation condition, and when the condition for determining whether the luminance compensation is required is to determine whether the luminance is less than or equal to the predetermined luminance compensation threshold, the maximum luminance value when the luminance is not 0 may be obtained from the predetermined mapping relationship and used as the predetermined luminance compensation threshold. In table 1, a4 is selected as the preset luminance compensation threshold. According to the scheme, the mapping relation is set, the specific setting method of the preset brightness compensation threshold value is provided, and the environment brightness is accurately adjusted, so that the shooting effect of the camera module is not excessively exposed, the shooting effect is guaranteed, and the problem that the service life of a liquid crystal screen is possibly influenced due to the output of a white field signal is avoided through accurate adjustment.
On the basis, taking the display module of the smart television comprising the liquid crystal screen as an example, the brightness of the television screen is adjusted in a manner of outputting the white field signal according to the searched brightness compensation value, and the white field signal output can be controlled by adjusting the conduction angle, the on-off state and the backlight current of the liquid crystal molecules in the liquid crystal screen so as to perform backlight compensation. The backlight compensation value corresponding to different brightness compensation values, the corresponding liquid crystal molecule conduction number and/or conduction angle can be obtained from the preset mapping relation after the brightness compensation is determined, then the corresponding backlight current value, the corresponding liquid crystal molecule conduction number and/or conduction angle can be determined according to the obtained brightness compensation value, then the display module can be controlled by a processor of the television mainboard to open the determined conduction number of liquid crystal molecules at the moment of photographing by the camera module, further conduction can be carried out according to the conduction angle, and the screen is controlled to output a white field signal according to the size of the backlight current value, so that the display module is controlled to output according to the searched brightness compensation value, and the brightness of the television screen is adjusted accordingly, the camera module can execute operation in the environment of finishing brightness compensation when executing operation, and the definition of camera shooting can be ensured under the environment of darker original brightness. In addition, after the camera is monitored to be turned off or one operation is finished, the backlight current can be reduced, and the conduction degree of the liquid crystal molecules is restored to the state before adjustment. The scheme provides an optional implementation scheme of brightness compensation and provides a technical basis for improving the photographing effect.
Furthermore, the invention also proposes a computer-readable storage medium, on which a computer program is stored. The computer-readable storage medium may be the Memory 20 in the terminal in fig. 1, and may also be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk, and an optical disk, and the computer-readable storage medium includes instructions for enabling a terminal device (which may be a helmet, a smart television, a mobile phone, a computer, a server, or a network device) having a processor to execute the method according to the embodiments of the present invention.
In the present invention, the terms "first", "second", "third", "fourth" and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the embodiment of the present invention has been shown and described, the scope of the present invention is not limited thereto, it should be understood that the above embodiment is illustrative and not to be construed as limiting the present invention, and that those skilled in the art can make changes, modifications and substitutions to the above embodiment within the scope of the present invention, and that these changes, modifications and substitutions should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for controlling a television, the method comprising the steps of:
when a camera module of a television is started, acquiring the brightness of the current environment where the television is located;
judging whether the brightness is smaller than a preset brightness compensation threshold value;
and when the brightness of the light is smaller than a preset brightness compensation threshold value, compensating the brightness of the light by adjusting the brightness of the television screen.
2. The method for controlling a television of claim 1, wherein the step of compensating the brightness of the light by adjusting the brightness of the television screen comprises:
searching a brightness compensation value corresponding to the brightness from a preset mapping relation between the ambient brightness and the brightness compensation value;
and adjusting the brightness of the television screen according to the searched brightness compensation value to compensate the brightness.
3. The method for controlling a television of claim 2, wherein before the step of determining whether the brightness is less than a preset brightness compensation threshold, the method further comprises:
acquiring all corresponding ambient light brightness when the light brightness compensation value is 0 from the preset mapping relation;
and taking the minimum value of all the acquired ambient light brightness as a preset brightness compensation threshold value.
4. The method as claimed in claim 2, wherein the step of adjusting the brightness of the tv screen according to the searched brightness compensation value comprises:
and outputting a white field signal according to the searched brightness compensation value to adjust the brightness of the television screen.
5. The method for controlling a television of claim 4, wherein the step of outputting the white field signal according to the searched luminance compensation value comprises:
acquiring a backlight current value corresponding to the searched brightness compensation value and the conduction number of the corresponding liquid crystal molecules;
and opening the conducting liquid crystal molecules, and outputting a white field signal according to the backlight current value.
6. The method for controlling a television of claim 1, wherein the step of obtaining the brightness of the current environment of the television comprises:
the brightness of the environment where the current television is located is collected through the camera module.
7. The method for controlling a television according to any one of claims 1 to 6, wherein before the step of obtaining the brightness of the current environment where the television is located when a camera module of the television is started, the method further comprises:
receiving a control instruction sent by equipment or a user;
and starting the camera module according to the control instruction.
8. The method for controlling a television of claim 7, wherein the step of activating the camera module according to the control command comprises:
and adjusting a display interface of a television screen to a shooting mode according to the control instruction so as to trigger the camera module to start.
9. A television, characterized in that it comprises a memory, a processor and a computer program stored on said memory and executable on said processor, said computer program, when executed by said processor, implementing the steps of the control method of a television according to any one of claims 1 to 8.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which, when being executed by a processor, carries out the steps of the method of controlling a television according to any one of claims 1 to 8.
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