CN115909989A - Screen color temperature control method, device and medium - Google Patents
Screen color temperature control method, device and medium Download PDFInfo
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Abstract
The disclosure relates to a screen color temperature control method, device and medium. The method comprises the following steps: under the condition of receiving the environmental color temperature information at the current moment, which is sent by an RGB sensor arranged below a screen, determining whether a color temperature parameter conversion condition is met or not according to the environmental color temperature information at the current moment; converting the environmental color temperature information at the current moment into target screen color temperature information under the condition of meeting the color temperature parameter conversion condition; determining whether a screen color temperature adjustment condition is met or not according to the target screen color temperature information; and under the condition that the screen color temperature adjusting condition is met, adjusting the color temperature of the screen according to the target screen color temperature information. Therefore, by judging the color temperature parameter conversion condition and the screen color temperature adjustment condition, the data processing amount in the color temperature control process can be effectively reduced, the system load is reduced, the resource consumption and the electric quantity consumption of the equipment where the screen is positioned are reduced, unnecessary screen color temperature adjustment is avoided, and the stability of screen color temperature control is improved.
Description
Technical Field
The present disclosure relates to the field of screen display technologies, and in particular, to a method, an apparatus, and a medium for controlling a color temperature of a screen.
Background
With the development of intelligent terminal devices, more and more people use the intelligent terminal devices, the terminal devices play more and more important roles in the life of people, and the operation of screens of the terminal devices cannot be avoided when people watch videos, electronic books, browse webpages, electronic games and the like. Wherein, terminal equipment can be cell-phone, panel computer etc. and the user is using terminal equipment's in-process, and the colour temperature of equipment screen is the very important factor that influences user experience, and comfortable colour temperature can make screen and surrounding environment unified, and the effectual user visual fatigue that alleviates to the true color of laminating image brings better experience in the impression. At present, terminal equipment can realize the function of automatically adjusting the color temperature of a screen according to ambient light, but the realization of the function causes the power consumption of a system to be larger, and the electric quantity consumption of the terminal equipment is quicker.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides a screen color temperature control method, apparatus, and medium.
According to a first aspect of embodiments of the present disclosure, there is provided a screen color temperature control method, the method including:
under the condition of receiving the environmental color temperature information at the current moment, which is sent by an RGB (red, green and blue) sensor arranged below a screen, determining whether a color temperature parameter conversion condition is met or not according to the environmental color temperature information at the current moment;
converting the environmental color temperature information of the current moment into target screen color temperature information under the condition of meeting the color temperature parameter conversion condition;
determining whether a screen color temperature adjusting condition is met or not according to the target screen color temperature information;
and under the condition that the screen color temperature adjusting condition is met, adjusting the color temperature of the screen according to the target screen color temperature information.
Optionally, the determining whether a color temperature parameter conversion condition is satisfied according to the ambient color temperature information at the current time includes:
acquiring the environmental color temperature information of the previous moment of the current moment;
and determining that the color temperature parameter conversion condition is met under the condition that the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the last moment is greater than a preset threshold value.
Optionally, the converting the ambient color temperature information at the current time into target screen color temperature information includes:
and determining the target screen color temperature information according to the corresponding relation between the preset environment color temperature information and the screen color temperature information and the environment color temperature information at the current moment.
Optionally, the determining whether a screen color temperature adjustment condition is satisfied according to the target screen color temperature information includes:
acquiring screen color temperature information of the previous moment of the current moment;
and if the difference value between the target screen color temperature information and the last screen color temperature information is within a preset range and the shielding state information of the RGB sensor represents that the RGB sensor is not shielded, determining that the screen color temperature adjusting condition is met.
Optionally, the RGB sensor is configured to determine the ambient color temperature information at the current time by:
acquiring the ambient brightness information of the current moment, the ambient brightness information of the previous moment of the current moment, the screen refreshing frequency parameter of the current moment and the screen refreshing frequency parameter of the previous moment;
determining whether an ambient color temperature calculation condition is met or not according to the ambient brightness information at the current moment, the ambient brightness information at the previous moment, the screen refreshing frequency parameter at the current moment and the screen refreshing frequency parameter at the previous moment;
and determining the environmental color temperature information of the current moment under the condition that the environmental color temperature calculation condition is met.
Optionally, the determining whether an ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time includes:
and if the absolute value of the difference between the current-time environmental brightness information and the previous-time environmental brightness information is greater than a preset brightness threshold value, and the absolute value of the difference between the current-time screen refreshing frequency parameter and the previous-time screen refreshing frequency parameter is greater than a preset refreshing frequency threshold value, determining that the environmental color temperature calculation condition is met.
Optionally, the determining the ambient color temperature information at the current time includes:
and determining the ambient color temperature information at the current moment according to the current ambient light parameters acquired by the RGB sensor and the current reflected light parameters of the glass above the screen.
According to a second aspect of the embodiments of the present disclosure, there is provided a screen color temperature control apparatus including:
the device comprises a first determining module, a second determining module and a display module, wherein the first determining module is used for determining whether color temperature parameter conversion conditions are met or not according to the current-time environmental color temperature information sent by an RGB (red, green and blue) sensor arranged below a screen under the condition of receiving the current-time environmental color temperature information;
the conversion module is used for converting the ambient color temperature information at the current moment into target screen color temperature information under the condition of meeting the color temperature parameter conversion condition;
the second determining module is used for determining whether a screen color temperature adjusting condition is met or not according to the target screen color temperature information;
and the adjusting module is used for adjusting the color temperature of the screen according to the target screen color temperature information under the condition that the screen color temperature adjusting condition is met.
Optionally, the first determining module includes:
the first acquisition submodule is used for acquiring the environmental color temperature information at the previous moment of the current moment;
the first determining submodule is used for determining that the color temperature parameter conversion condition is met under the condition that the change rate of the ambient color temperature information at the current moment compared with the ambient color temperature information at the last moment is larger than a preset threshold value.
Optionally, the converting module is configured to convert the ambient color temperature information at the current time into target screen color temperature information by:
and determining the target screen color temperature information according to the corresponding relation between the preset environment color temperature information and the screen color temperature information and the environment color temperature information at the current moment.
Optionally, the second determining module includes:
the second acquisition submodule is used for acquiring the screen color temperature information at the previous moment of the current moment;
and the second determining submodule is used for determining that the screen color temperature adjusting condition is met if the difference value between the target screen color temperature information and the screen color temperature information at the last moment is within a preset range and the shielding state information of the RGB sensor represents that the RGB sensor is not shielded.
Optionally, the RGB sensor is configured to determine the ambient color temperature information of the current time through the following modules:
the acquisition module is used for acquiring the ambient brightness information of the current moment, the ambient brightness information of the previous moment of the current moment, the screen refreshing frequency parameter of the current moment and the screen refreshing frequency parameter of the previous moment;
a third determining module, configured to determine whether an ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time;
and the fourth determining module is used for determining the environmental color temperature information at the current moment under the condition that the environmental color temperature calculation condition is met.
Optionally, the third determining module is configured to determine whether an ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time by:
and if the absolute value of the difference between the current-time environmental brightness information and the previous-time environmental brightness information is greater than a preset brightness threshold value, and the absolute value of the difference between the current-time screen refreshing frequency parameter and the previous-time screen refreshing frequency parameter is greater than a preset refreshing frequency threshold value, determining that the environmental color temperature calculation condition is met.
Optionally, the fourth determining module is configured to determine the ambient color temperature information at the current time by:
and determining the ambient color temperature information at the current moment according to the current ambient light parameters acquired by the RGB sensor and the current reflected light parameters of the glass above the screen.
According to a third aspect of the embodiments of the present disclosure, there is provided a screen color temperature control apparatus including:
a memory having a computer program stored thereon;
a controller, which when executed by the controller, implements the steps of the method provided by the first aspect of the disclosure.
According to a fourth aspect of embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the screen color temperature control method provided by the first aspect of the present disclosure.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
through the technical scheme, under the condition that the current-moment environment color temperature information sent by the RGB sensor arranged below the screen is received, if the current-moment environment color temperature information meets the color temperature parameter conversion condition, the current-moment environment color temperature information is converted into the target screen color temperature information, and if the target screen color temperature information meets the screen color temperature adjustment condition, the color temperature of the screen is adjusted according to the target screen color temperature information. Therefore, in the process of controlling the color temperature of the screen, the judgment of whether the environmental color temperature information at the current moment meets the color temperature parameter conversion condition is added, if the environmental color temperature information does not meet the color temperature parameter conversion condition, the color temperature information of the target screen does not need to be calculated according to the environmental color temperature information, the problem of large power consumption caused by continuous processing of data sent by the sensor by equipment is avoided, the data processing amount in the process of controlling the color temperature is effectively reduced, and the system load is reduced. And whether the target screen color temperature information meets the screen color temperature adjusting condition is judged, if the target screen color temperature information does not meet the screen color temperature adjusting condition, the adjustment of the screen color temperature is not needed to be controlled, the resource consumption and the electric quantity consumption of equipment where the screen is located are reduced, meanwhile, unnecessary screen color temperature adjustment is avoided, and the stability of screen color temperature control is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a flow chart illustrating a method of screen color temperature control according to an exemplary embodiment;
FIG. 2 is a flow diagram illustrating a method for an RGB sensor to determine ambient color temperature information at a current time in accordance with an exemplary embodiment;
FIG. 3 is a schematic diagram illustrating the positional relationship of a screen, glass, RGB sensor, CPU, according to an exemplary embodiment;
FIG. 4 is a flow chart illustrating a method of screen color temperature control according to an exemplary embodiment;
FIG. 5 is a block diagram illustrating a screen color temperature control apparatus according to an exemplary embodiment;
fig. 6 is a block diagram illustrating a screen color temperature control apparatus according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a flowchart illustrating a screen color temperature control method according to an exemplary embodiment. The method can be applied to a CPU of the terminal device, wherein the terminal device can be a mobile phone, a tablet computer and other devices with screens. As shown in fig. 1, the method may include steps S101 to S104.
In step S101, in the case of receiving the ambient color temperature information of the current time transmitted from the RGB sensor disposed below the screen, it is determined whether a color temperature parameter conversion condition is satisfied according to the ambient color temperature information of the current time.
Illustratively, an RGB sensor may be disposed below a screen of the terminal device, and the RGB sensor may be configured to collect ambient light and calculate ambient color temperature information. In the process of using the terminal device, the ambient brightness changes along with the change of illumination, and in order to ensure that the color temperature of the screen is uniform with the surrounding environment, the CPU needs to acquire the ambient color temperature information at the current moment from the RGB sensor to adjust the color temperature of the screen according to the ambient color temperature information. The color temperature is a unit of measure indicating that a light ray contains a color component. The spectral components of light emitted by a black body at a certain temperature are referred to as the color temperature at that temperature, and are measured in K (kelvin).
In step S102, in the case where the color temperature parameter conversion condition is satisfied, the ambient color temperature information at the present time is converted into target screen color temperature information.
Illustratively, under the condition that the color temperature parameter conversion condition is met, the CPU stores the ambient color temperature information at the current time into a display buffer area in the CPU, and then the display buffer area converts the ambient color temperature information at the current time into target screen color temperature information, so that the color temperature of the finally displayed screen better meets the requirements of human eyes, and comfort of the user when watching the screen is ensured.
According to the method and the device, under the condition that the color temperature parameter conversion condition is not met, the CPU does not store the ambient color temperature information at the current moment into the display cache region in the CPU, so that the color temperature information of the target screen does not need to be calculated according to the ambient color temperature information, the screen can keep the primary color temperature unchanged, the data processing amount of the CPU is effectively reduced, and the load of the CPU is reduced.
In step S103, it is determined whether the screen color temperature adjustment condition is satisfied according to the target screen color temperature information.
In step S104, in the case where the screen color temperature adjustment condition is satisfied, the color temperature of the screen is adjusted in accordance with the target screen color temperature information.
For example, in the case where the screen color temperature adjustment condition is satisfied, the CPU may configure target screen color temperature information onto the screen to complete adjustment of the screen color temperature, i.e., to adjust the color temperature of the screen to the target screen color temperature information. Under the condition that the screen color temperature adjusting condition is not met, the screen keeps the original color temperature unchanged, and the CPU does not need to control the adjustment of the screen color temperature, so that the resource consumption of the CPU is reduced, and the power consumption of the terminal equipment is reduced.
Through the technical scheme, under the condition that the current-moment environment color temperature information sent by the RGB sensor arranged below the screen is received, if the current-moment environment color temperature information meets the color temperature parameter conversion condition, the current-moment environment color temperature information is converted into the target screen color temperature information, and if the target screen color temperature information meets the screen color temperature adjustment condition, the color temperature of the screen is adjusted according to the target screen color temperature information. Therefore, in the process of controlling the color temperature of the screen, judgment on whether the ambient color temperature information at the current moment meets the color temperature parameter conversion condition is added, if the ambient color temperature information does not meet the color temperature parameter conversion condition, the color temperature information of the target screen does not need to be calculated according to the ambient color temperature information, the problem of large power consumption caused by continuous processing of data sent by the sensor by equipment is avoided, the data processing amount in the process of controlling the color temperature is effectively reduced, and the system load is reduced. And whether the target screen color temperature information meets the screen color temperature adjusting condition is judged, if the target screen color temperature information does not meet the screen color temperature adjusting condition, the adjustment of the screen color temperature is not needed to be controlled, the resource consumption and the electric quantity consumption of equipment where the screen is located are reduced, meanwhile, unnecessary screen color temperature adjustment is avoided, and the stability of screen color temperature control is improved.
Optionally, the step S101 of determining whether the color temperature parameter conversion condition is satisfied according to the ambient color temperature information at the current time may include:
obtaining environmental color temperature information of the previous moment of the current moment;
and under the condition that the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the last moment is greater than a preset threshold value, determining that the color temperature parameter conversion condition is met.
Illustratively, the preset threshold may be preset, for example, to 2%. The environmental color temperature information at the previous moment of the current moment may be that the RGB sensor sends the CPU at the previous moment, for example, the environmental color temperature information at the previous moment of the current moment is 1000K, and the environmental color temperature information at the current moment obtained from the RGB sensor is 1300K, so that the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the previous moment is 3%, which is greater than a preset threshold, and it is determined that the color temperature parameter conversion condition is satisfied.
If the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the last moment is smaller than or equal to the preset threshold value, the fact that the external light changes weakly can be represented, whether the color temperature of the screen is adjusted has almost no influence on a user can be judged, the target screen color temperature information can be calculated according to the environmental color temperature information at the current moment, the data processing amount of a CPU can be effectively reduced, and the resource consumption of a terminal operating system and the power consumption of terminal equipment are reduced.
Optionally, the converting the ambient color temperature information at the current time into the target screen color temperature information in step S102 may include:
and determining target screen color temperature information according to the corresponding relation between the preset environment color temperature information and the screen color temperature information and the environment color temperature information at the current moment.
Illustratively, the correspondence between the ambient color temperature information and the screen color temperature information may be preset by a test result, and the correspondence may be represented by a function, a mapping table, or the like, for example. Under the condition of meeting the color temperature parameter conversion condition, the CPU can send the environmental color temperature information of the current moment to the display cache region, and the display cache region can determine the color temperature information of the target screen by searching the preset corresponding relation according to the environmental color temperature information of the current moment. For example, the ambient color temperature information at the current time is 1000K, and in the correspondence relationship determined through experiments, when the ambient color temperature information is 1000K, the corresponding screen color temperature information should be 1100K, and the target screen color temperature information is determined to be 1100K. So, convert the ambient color temperature information of present moment into target screen color temperature information, can make the color temperature of screen and external environment suit, accord with people's eye demand more, promote the use sense that the user watched the screen.
Optionally, the step S103 of determining whether the screen color temperature adjustment condition is satisfied according to the target screen color temperature information may include:
acquiring screen color temperature information of a previous moment of a current moment;
and if the difference value between the target screen color temperature information and the screen color temperature information at the previous moment is in a preset range and the shielding state information of the RGB sensor represents that the RGB sensor is not shielded, determining that the screen color temperature adjusting condition is met.
For example, the preset range may be preset, for example, to-400K to 400K, the screen color temperature information at the previous time of the current time refers to the actual color temperature information displayed on the screen at the previous time, for example, the screen color temperature information at the previous time is 1000K, the target screen color temperature information is 1350K, the difference between the target screen color temperature information and the screen color temperature information at the previous time is 350K, and when the RGB sensor is not shielded, it may be determined that the screen color temperature adjustment condition is satisfied.
If the RGB sensor is sheltered from, the RGB sensor can not gather current ambient light parameter and the current reflection light parameter of the glass above the screen at this moment, so the colour temperature of the screen is not adjusted according to the colour temperature information of the target screen, and the primary colour temperature of the screen can be kept unchanged.
If the difference value between the target screen color temperature information and the last screen color temperature information is not in the preset range, the difference value between the target screen color temperature information and the last screen color temperature information can be represented to be larger, if the screen is adjusted according to the target screen color temperature information, the color temperature of the screen is changed greatly, sudden change of the color temperature of the screen can cause larger visual impact on a user, in order to avoid damaging the vision of the user, under the condition that the difference value between the target screen color temperature information and the last screen color temperature information is not in the preset range, the color temperature of the screen is not adjusted according to the target screen color temperature information, the color temperature of the primary color of the screen can be kept unchanged, and the influence of the sudden change of the color temperature of the primary color of the screen on browsing experience of the user is avoided.
Fig. 2 is a flowchart illustrating a method of determining ambient color temperature information at a current time by an RGB sensor according to an exemplary embodiment, and as shown in fig. 2, the method may include steps S201 to S203.
In step S201, the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time are obtained.
In step S202, it is determined whether the ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time.
Optionally, the determining, by the RGB sensor in step S202, whether the ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time may include:
and if the absolute value of the difference between the current-time environmental brightness information and the previous-time environmental brightness information is greater than a preset brightness threshold value, and the absolute value of the difference between the current-time screen refreshing frequency parameter and the previous-time screen refreshing frequency parameter is greater than a preset refreshing frequency threshold value, determining that the environmental color temperature calculation condition is met.
Illustratively, the preset brightness threshold and the preset refresh frequency threshold are preset, for example, the preset brightness threshold is set to 10lux, and the preset refresh frequency threshold is set to 5 frames. If the ambient brightness information at the current moment is 20lux, and the ambient brightness information at the previous moment is 35lux, the absolute value of the difference between the ambient brightness information at the current moment and the ambient brightness information at the previous moment is 15lux and is greater than the preset brightness threshold, and the screen refresh frequency parameter at the current moment is 30 frames, and the screen refresh frequency parameter at the previous moment is 40 frames, the absolute value of the difference between the screen refresh frequency parameter at the current moment and the screen refresh frequency parameter at the previous moment is 10 frames and is greater than the preset refresh frequency threshold, so that the ambient color temperature calculation condition can be determined to be satisfied.
If the absolute value of the difference value between the current-moment ambient brightness information and the previous-moment ambient brightness information is smaller than or equal to a preset brightness threshold, representing that the ambient brightness change is small, the influence on the color temperature of the screen is small, and whether the color temperature of the screen is adjusted has almost no influence on a user; if the absolute value of the difference value between the screen refreshing frequency parameter at the current moment and the screen refreshing frequency parameter at the last moment is smaller than or equal to the preset refreshing frequency threshold, the characteristic screen refreshing frequency change is small, and the influence on the screen color temperature is small. Under the two conditions, the RGB can not calculate the environmental color temperature information at the current moment, the data processing capacity of the RGB sensor is reduced, the CPU can not receive the environmental color temperature information at the current moment, the resource consumption of the CPU can be reduced, and the power consumption of the terminal equipment is reduced.
In step S203, in the case where the ambient color temperature calculation condition is satisfied, the ambient color temperature information at the present time is determined.
Alternatively, the determining of the ambient color temperature information at the current time in step S203 may include:
and determining the ambient color temperature information at the current moment according to the current ambient light parameters acquired by the RGB sensor and the current reflected light parameters of the glass above the screen.
FIG. 3 is a schematic diagram illustrating a positional relationship of a screen, glass, RGB sensor, CPU, according to an exemplary embodiment. As shown in fig. 3, the RGB sensor is located below the screen, the glass is located above the screen, and when the user uses the terminal device, part of light emitted by the screen is reflected by the glass to generate current reflected light of the glass above the screen, and the current ambient light and the current reflected light of the glass above the screen pass through the screen.
For example, an environment color temperature information calculation model may be established in advance, and the RGB sensor may input the collected current environment light parameters and the current reflected light parameters of the glass above the screen into the environment color temperature information calculation model to obtain the environment color temperature information at the current time.
Through the technical scheme, whether the environment color temperature calculation condition is met or not is determined according to the environment brightness information at the current moment, the environment brightness information at the previous moment at the current moment, the screen refreshing frequency parameter at the current moment and the screen refreshing frequency parameter at the previous moment, if the environment color temperature calculation condition is not met, the RGB sensor does not need to calculate the environment color temperature information at the current moment, on one hand, the data processing amount of the RGB sensor can be reduced, on the other hand, the CPU does not receive the environment color temperature information at the current moment sent by the RGB sensor, and does not need to process the environment color temperature information at the current moment, so that the resource consumption of the CPU can be reduced, and the power consumption of the terminal equipment is reduced.
It should be noted that the numerical examples given in any of the above embodiments of the present disclosure are only for explanation and do not limit the embodiments of the present disclosure.
The screen color temperature control method provided by the present disclosure is described below in a complete embodiment, and fig. 4 is a flowchart illustrating a screen color temperature control method according to an exemplary embodiment. As shown in fig. 4, the method may include:
the RGB sensor acquires the ambient brightness information of the current moment, the ambient brightness information of the previous moment of the current moment, the screen refreshing frequency parameter of the current moment and the screen refreshing frequency parameter of the previous moment.
And then, the RGB sensor determines whether the ambient color temperature calculation condition is met according to the ambient brightness information at the current moment, the ambient brightness information at the previous moment, the screen refreshing frequency parameter at the current moment and the screen refreshing frequency parameter at the previous moment.
If the absolute value of the difference between the current ambient brightness information and the previous ambient brightness information is greater than the preset brightness threshold, and the absolute value of the difference between the current screen refresh frequency parameter and the previous screen refresh frequency parameter is greater than the preset refresh frequency threshold, the RGB sensor can determine that the ambient color temperature calculation condition is satisfied.
If the absolute value of the difference between the ambient brightness information at the current moment and the ambient brightness information at the previous moment is less than or equal to the preset brightness threshold, or the absolute value of the difference between the screen refresh frequency parameter at the current moment and the screen refresh frequency parameter at the previous moment is less than or equal to the preset refresh frequency threshold, the RGB sensor may determine that the ambient color temperature calculation condition is not satisfied.
Under the condition of meeting the environment color temperature calculation condition, the RGB sensor can calculate the environment color temperature information at the current moment, wherein the RGB sensor can calculate the environment color temperature information at the current moment according to the collected current environment light parameters and the current reflection light parameters of the glass above the screen.
Under the condition that the environment color temperature calculation condition is not met, the RGB sensor does not need to calculate the environment color temperature information at the current moment, the primary color temperature of the screen can be kept unchanged, and unnecessary screen color temperature adjustment is avoided. On one hand, the data processing amount of the RGB sensor can be reduced, on the other hand, the CPU does not receive the current-time environment color temperature information sent by the RGB sensor, the current-time environment color temperature information does not need to be processed, the resource consumption of the CPU can be reduced, and the power consumption of the terminal equipment is reduced.
After the RGB sensor calculates the environmental color temperature information at the current moment, the environmental color temperature information at the current moment can be uploaded to the CPU, and the CPU can receive the environmental color temperature information at the current moment. Then, the CPU may determine whether the color temperature parameter conversion condition is satisfied according to the ambient color temperature information at the present time.
The CPU can acquire the environmental color temperature information at the previous moment of the current moment, can determine that the color temperature parameter conversion condition is met under the condition that the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the previous moment is larger than a preset threshold value, and can determine that the color temperature parameter conversion condition is not met under the condition that the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the previous moment is smaller than or equal to the preset threshold value.
And under the condition of meeting the color temperature parameter conversion condition, the CPU converts the current ambient color temperature information into target screen color temperature information, wherein the CPU can determine the target screen color temperature information according to the preset corresponding relation between the ambient color temperature information and the screen color temperature information and the current ambient color temperature information.
Under the condition that the color temperature parameter conversion condition is not met, the CPU does not need to calculate the color temperature information of the target screen according to the environmental color temperature information, the data processing amount of the CPU is effectively reduced, the load of the CPU is reduced, meanwhile, the primary color temperature of the screen can be kept unchanged, and unnecessary screen color temperature adjustment is avoided.
After the CPU calculates the target screen color temperature information, whether the screen color temperature adjusting condition is met can be determined according to the target screen color temperature information.
If the difference value between the target screen color temperature information and the screen color temperature information at the previous moment is within the preset range and the shielding state information of the RGB sensor represents that the RGB sensor is not shielded, the CPU can determine that the screen color temperature adjusting condition is met.
And under the condition that the screen color temperature adjusting condition is met, the CPU adjusts the color temperature of the screen according to the target screen color temperature information.
Under the condition that the screen color temperature adjusting condition is not met, the CPU does not need to control the adjustment of the screen color temperature, the resource consumption of the CPU is reduced, the power consumption of the terminal equipment is reduced, meanwhile, the screen can keep the primary color temperature unchanged, and unnecessary screen color temperature adjustment is avoided.
Through the technical scheme, in the process of controlling the screen color temperature, firstly, if the environment color temperature calculation condition is not met, the RGB sensor does not need to calculate the environment color temperature information at the current moment, on one hand, the data processing amount of the RGB sensor can be reduced, on the other hand, the CPU does not receive the environment color temperature information at the current moment sent by the RGB sensor, and does not need to process the environment color temperature information at the current moment, so that the resource consumption of the CPU can be reduced, and the power consumption of the terminal equipment can be reduced. Secondly, if the color temperature parameter conversion condition is not satisfied, the CPU does not need to calculate the color temperature information of the target screen according to the environmental color temperature information, thereby avoiding the problem of large power consumption caused by continuously processing the data sent by the sensor by the equipment, effectively reducing the data processing amount in the color temperature control process and reducing the system load. And finally, judging whether the target screen color temperature information meets the screen color temperature adjusting condition or not is added, if the target screen color temperature information does not meet the screen color temperature adjusting condition, the adjustment of the screen color temperature is not required to be controlled, the resource consumption and the electric quantity consumption of equipment where the screen is located are reduced, meanwhile, unnecessary screen color temperature adjustment is avoided, and the stability of screen color temperature control is improved.
Based on the same inventive concept, the disclosure also provides a screen color temperature control device. Fig. 5 is a block diagram illustrating a screen color temperature control apparatus 400 according to an exemplary embodiment. Referring to fig. 5, the screen color temperature control apparatus 400 includes a first determining module 401, a converting module 402, a second determining module 403, and an adjusting module 404.
The first determining module 401 is configured to determine, when receiving ambient color temperature information at a current time sent by an RGB sensor disposed below a screen, whether a color temperature parameter conversion condition is satisfied according to the ambient color temperature information at the current time;
the conversion module 402 is configured to convert the ambient color temperature information at the current time into target screen color temperature information when the color temperature parameter conversion condition is satisfied;
the second determining module 403 is configured to determine whether a screen color temperature adjustment condition is satisfied according to the target screen color temperature information;
the adjusting module 404 is configured to adjust the color temperature of the screen according to the target screen color temperature information when the screen color temperature adjusting condition is satisfied.
Through the technical scheme, under the condition that the current-moment environment color temperature information sent by the RGB sensor arranged below the screen is received, if the current-moment environment color temperature information meets the color temperature parameter conversion condition, the current-moment environment color temperature information is converted into the target screen color temperature information, and if the target screen color temperature information meets the screen color temperature adjustment condition, the color temperature of the screen is adjusted according to the target screen color temperature information. Therefore, in the process of controlling the color temperature of the screen, judgment on whether the ambient color temperature information at the current moment meets the color temperature parameter conversion condition is added, if the ambient color temperature information does not meet the color temperature parameter conversion condition, the color temperature information of the target screen does not need to be calculated according to the ambient color temperature information, the problem of large power consumption caused by continuous processing of data sent by the sensor by equipment is avoided, the data processing amount in the process of controlling the color temperature is effectively reduced, and the system load is reduced. And whether the target screen color temperature information meets the screen color temperature adjusting condition is judged, if the target screen color temperature information does not meet the screen color temperature adjusting condition, the adjustment of the screen color temperature is not needed to be controlled, the resource consumption and the electric quantity consumption of equipment where the screen is located are reduced, meanwhile, unnecessary screen color temperature adjustment is avoided, and the stability of screen color temperature control is improved.
Optionally, the first determining module 401 includes:
the first acquisition submodule is used for acquiring the environmental color temperature information at the previous moment of the current moment;
the first determining submodule is used for determining that the color temperature parameter conversion condition is met under the condition that the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the previous moment is larger than a preset threshold value.
Optionally, the converting module 402 is configured to convert the ambient color temperature information at the current time into target screen color temperature information by:
and determining the target screen color temperature information according to the corresponding relation between the preset environment color temperature information and the screen color temperature information and the environment color temperature information at the current moment.
Optionally, the second determining module 403 includes:
the second acquisition submodule is used for acquiring the screen color temperature information at the previous moment of the current moment;
and the second determining submodule is used for determining that the screen color temperature adjusting condition is met if the difference value between the target screen color temperature information and the screen color temperature information at the previous moment is within a preset range and the shielding state information of the RGB sensor represents that the RGB sensor is not shielded.
Optionally, the RGB sensor is configured to determine the ambient color temperature information of the current time through the following modules:
the acquisition module is used for acquiring the ambient brightness information of the current moment, the ambient brightness information of the previous moment of the current moment, the screen refreshing frequency parameter of the current moment and the screen refreshing frequency parameter of the previous moment;
a third determining module, configured to determine whether an ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time;
and the fourth determining module is used for determining the environmental color temperature information at the current moment under the condition that the environmental color temperature calculation condition is met.
Optionally, the third determining module is configured to determine whether an ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time by:
and if the absolute value of the difference between the current-time environmental brightness information and the previous-time environmental brightness information is greater than a preset brightness threshold value, and the absolute value of the difference between the current-time screen refreshing frequency parameter and the previous-time screen refreshing frequency parameter is greater than a preset refreshing frequency threshold value, determining that the environmental color temperature calculation condition is met.
Optionally, the fourth determining module is configured to determine the ambient color temperature information at the current time by:
and determining the ambient color temperature information at the current moment according to the current ambient light parameters acquired by the RGB sensor and the current reflected light parameters of the glass above the screen.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
The present disclosure also provides a non-transitory computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the screen color temperature control method provided by the present disclosure.
Fig. 6 is a block diagram illustrating a screen color temperature control apparatus 800 according to an exemplary embodiment. For example, the apparatus 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 6, the apparatus 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.
The processing component 802 generally controls overall operation of the device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the screen color temperature control method described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 may include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operations at the apparatus 800. Examples of such data include instructions for any application or method operating on device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The multimedia component 808 includes a screen that provides an output interface between the device 800 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the device 800 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 814 includes one or more sensors for providing various aspects of state assessment for the device 800. For example, the sensor assembly 814 may detect the open/closed status of the device 800, the relative positioning of components, such as a display and keypad of the device 800, the sensor assembly 814 may also detect a change in the position of the device 800 or a component of the device 800, the presence or absence of user contact with the device 800, the orientation or acceleration/deceleration of the device 800, and a change in the temperature of the device 800. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate communications between the apparatus 800 and other devices in a wired or wireless manner. The apparatus 800 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described screen color temperature control method.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 804 comprising instructions, executable by the processor 820 of the apparatus 800 to perform the screen color temperature control method described above is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
In another exemplary embodiment, a computer program product is also provided, which contains a computer program executable by a programmable apparatus, the computer program having code portions for performing the above-described screen color temperature control method when executed by the programmable apparatus.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (16)
1. A screen color temperature control method, comprising:
under the condition of receiving the environmental color temperature information at the current moment, which is sent by an RGB (red, green and blue) sensor arranged below a screen, determining whether a color temperature parameter conversion condition is met or not according to the environmental color temperature information at the current moment;
converting the environmental color temperature information of the current moment into target screen color temperature information under the condition of meeting the color temperature parameter conversion condition;
determining whether a screen color temperature adjusting condition is met or not according to the target screen color temperature information;
and under the condition that the screen color temperature adjusting condition is met, adjusting the color temperature of the screen according to the target screen color temperature information.
2. The method of claim 1, wherein the determining whether a color temperature parameter conversion condition is satisfied according to the ambient color temperature information at the current time comprises:
acquiring the environmental color temperature information of the previous moment of the current moment;
and determining that the color temperature parameter conversion condition is met under the condition that the change rate of the environmental color temperature information at the current moment compared with the environmental color temperature information at the previous moment is greater than a preset threshold value.
3. The method of claim 1, wherein converting the ambient color temperature information at the current time into target screen color temperature information comprises:
and determining the target screen color temperature information according to the corresponding relation between the preset environment color temperature information and the screen color temperature information and the environment color temperature information at the current moment.
4. The method of claim 1, wherein determining whether a screen color temperature adjustment condition is satisfied according to the target screen color temperature information comprises:
acquiring screen color temperature information of the previous moment of the current moment;
and if the difference value between the target screen color temperature information and the last screen color temperature information is within a preset range and the shielding state information of the RGB sensor represents that the RGB sensor is not shielded, determining that the screen color temperature adjusting condition is met.
5. The method according to any of claims 1-4, wherein the RGB sensor is used to determine the ambient color temperature information at the current time by:
acquiring the ambient brightness information of the current moment, the ambient brightness information of the previous moment of the current moment, the screen refreshing frequency parameter of the current moment and the screen refreshing frequency parameter of the previous moment;
determining whether an ambient color temperature calculation condition is met or not according to the ambient brightness information at the current moment, the ambient brightness information at the previous moment, the screen refreshing frequency parameter at the current moment and the screen refreshing frequency parameter at the previous moment;
and determining the ambient color temperature information at the current moment under the condition that the ambient color temperature calculation condition is met.
6. The method according to claim 5, wherein the determining whether the ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time comprises:
and if the absolute value of the difference between the current-time environmental brightness information and the previous-time environmental brightness information is greater than a preset brightness threshold value, and the absolute value of the difference between the current-time screen refreshing frequency parameter and the previous-time screen refreshing frequency parameter is greater than a preset refreshing frequency threshold value, determining that the environmental color temperature calculation condition is met.
7. The method of claim 5, wherein the determining the ambient color temperature information at the current time comprises:
and determining the ambient color temperature information at the current moment according to the current ambient light parameters acquired by the RGB sensor and the current reflected light parameters of the glass above the screen.
8. A screen color temperature control apparatus, characterized in that the apparatus comprises:
the device comprises a first determining module, a second determining module and a display module, wherein the first determining module is used for determining whether color temperature parameter conversion conditions are met or not according to the current-time environmental color temperature information sent by an RGB (red, green and blue) sensor arranged below a screen under the condition of receiving the current-time environmental color temperature information;
the conversion module is used for converting the ambient color temperature information at the current moment into target screen color temperature information under the condition of meeting the color temperature parameter conversion condition;
the second determining module is used for determining whether a screen color temperature adjusting condition is met or not according to the target screen color temperature information;
and the adjusting module is used for adjusting the color temperature of the screen according to the target screen color temperature information under the condition that the screen color temperature adjusting condition is met.
9. The apparatus of claim 8, wherein the first determining module comprises:
the first obtaining submodule is used for obtaining the environmental color temperature information at the previous moment of the current moment;
the first determining submodule is used for determining that the color temperature parameter conversion condition is met under the condition that the change rate of the ambient color temperature information at the current moment compared with the ambient color temperature information at the last moment is larger than a preset threshold value.
10. The apparatus of claim 8, wherein the converting module is configured to convert the ambient color temperature information at the current time into the target screen color temperature information by:
and determining the target screen color temperature information according to the corresponding relation between the preset environment color temperature information and the screen color temperature information and the environment color temperature information at the current moment.
11. The apparatus of claim 8, wherein the second determining module comprises:
the second acquisition submodule is used for acquiring the screen color temperature information at the previous moment of the current moment;
and the second determining submodule is used for determining that the screen color temperature adjusting condition is met if the difference value between the target screen color temperature information and the screen color temperature information at the previous moment is within a preset range and the shielding state information of the RGB sensor represents that the RGB sensor is not shielded.
12. The apparatus of claims 8-11, wherein the RGB sensor is configured to determine the ambient color temperature information at the current time by:
the acquisition module is used for acquiring the ambient brightness information of the current moment, the ambient brightness information of the previous moment of the current moment, the screen refreshing frequency parameter of the current moment and the screen refreshing frequency parameter of the previous moment;
a third determining module, configured to determine whether an ambient color temperature calculation condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time;
and the fourth determining module is used for determining the environmental color temperature information at the current moment under the condition that the environmental color temperature calculation condition is met.
13. The apparatus of claim 12, wherein the third determining module is configured to determine whether the ambient color temperature calculating condition is satisfied according to the ambient brightness information at the current time, the ambient brightness information at the previous time, the screen refresh frequency parameter at the current time, and the screen refresh frequency parameter at the previous time by:
and if the absolute value of the difference between the current-time environmental brightness information and the previous-time environmental brightness information is greater than a preset brightness threshold value, and the absolute value of the difference between the current-time screen refreshing frequency parameter and the previous-time screen refreshing frequency parameter is greater than a preset refreshing frequency threshold value, determining that the environmental color temperature calculation condition is met.
14. The apparatus of claim 12, wherein the fourth determining module is configured to determine the ambient color temperature information of the current time by:
and determining the ambient color temperature information at the current moment according to the current ambient light parameters acquired by the RGB sensor and the current reflected light parameters of the glass above the screen.
15. A screen color temperature control apparatus, comprising:
a memory having a computer program stored thereon;
a controller, which when executed by the controller, carries out the steps of the method according to any one of claims 1 to 7.
16. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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| CN202110904157.7A CN115909989A (en) | 2021-08-06 | 2021-08-06 | Screen color temperature control method, device and medium |
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| CN202110904157.7A CN115909989A (en) | 2021-08-06 | 2021-08-06 | Screen color temperature control method, device and medium |
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