CN107731199B - Screen color temperature adjusting method, terminal and computer readable storage medium - Google Patents
Screen color temperature adjusting method, terminal and computer readable storage medium Download PDFInfo
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Abstract
The invention discloses a screen color temperature adjusting method, a terminal and a computer readable storage medium, wherein the method comprises the following steps: acquiring the current environment brightness, and acquiring a red component value, a green component value and a blue component value under the current environment brightness; acquiring a color temperature parameter under the current ambient brightness according to the red component value, the green component value and the blue component value under the current ambient brightness; and adjusting the color temperature of the terminal screen according to the color temperature parameter. The method comprises the steps of obtaining a red component value, a green component value and a blue component value under the current ambient brightness through calculation, and obtaining a color temperature parameter to adjust the color temperature of a terminal screen; and an RGB light sensor is not needed, and the cost of the terminal is not increased.
Description
Technical Field
The invention relates to the technical field of terminals, in particular to a screen color temperature adjusting method, a terminal and a computer readable storage medium.
Background
Color temperature is a scale representing the color of light from a light source, and has a unit of K (kelvin), which is the feeling of human eyes on luminous bodies or white reflectors, and the preference of color temperature is determined by people, which is related to the scenery of people who see scenes in daily life, for example, people who approach the equator see the average color temperature of 11000K (8000K to 17000K at noon), so people who prefer high color temperature (look relatively true), and conversely, people who prefer low color temperature (5600K or 6500K) in regions with higher latitudes (average color temperature about 6000K), that is, people who use a television with high color temperature to represent the scenery of arctic pole look greener; conversely, if a television with a low color temperature is used to watch a subtropical landscape, it will feel a little redder.
The existing terminal generally allows a user to manually adjust the color temperature of the terminal screen, but with the development of terminal technology, the manual adjustment mode obviously cannot meet the requirements of the user. One solution is to use an RGB light sensor to obtain the color temperature value of the environment where the terminal is located, and then adjust the color temperature value displayed on the screen to make the content displayed on the screen more approximate to the reality. However, this solution has a problem in that the RGB light sensor significantly increases the cost of the terminal.
Disclosure of Invention
The invention mainly aims to provide a screen color temperature adjusting method, a terminal and a computer readable storage medium, and aims to solve the problem that in the prior art, an RGB light sensor is adopted to adjust the color temperature value displayed on a screen, so that the terminal cost is increased.
In order to achieve the above object, a first aspect of the embodiments of the present invention provides a screen color temperature adjusting method, which is applied to a terminal, and the method includes the steps of:
acquiring the current environment brightness, and acquiring a red component value, a green component value and a blue component value under the current environment brightness;
acquiring a color temperature parameter under the current ambient brightness according to the red component value, the green component value and the blue component value under the current ambient brightness;
and adjusting the color temperature of the terminal screen according to the color temperature parameter.
Optionally, the obtaining the current ambient brightness and obtaining the red component value, the green component value, and the blue component value under the current ambient brightness includes:
acquiring the current environment brightness, and determining the effective interval of the current environment brightness value;
screening pixel point data collected by a terminal camera according to the effective interval of the environment brightness value;
extracting a red component value, a green component value and a blue component value of the pixel point according to the screened pixel point data;
calculating a red component average value, a green component average value and a blue component average value of the pixel point according to the red component value, the green component value and the blue component value of the pixel point;
and obtaining a red component value, a green component value and a blue component value under the current ambient brightness according to the red component average value, the green component average value and the blue component average value of the pixel points and the acquisition precision of the terminal camera.
Optionally, the effective interval of the current environment brightness value is between 0.8 times of the current environment brightness value and 1.2 times of the current environment brightness value.
Optionally, the step of screening the pixel data collected by the terminal camera according to the effective interval of the environment brightness value includes:
if the photosensitive value of the pixel point data collected by the terminal camera is in the effective interval of the environment brightness value, the pixel point data collected by the terminal camera is reserved; otherwise, pixel point data collected by the terminal camera is cleared.
Optionally, the step of calculating the red component average value, the green component average value and the blue component average value of the pixel point according to the red component value, the green component value and the blue component value of the pixel point further includes:
determining an effective interval of a red component value, an effective interval of a green component value and an effective interval of a blue component value according to the calculated red component average value, green component average value and blue component average value of the pixel points;
re-screening the pixel point data collected by the terminal camera according to the determined effective interval of the red component value, the determined effective interval of the green component value and the determined effective interval of the blue component value;
and recalculating the red component average value, the green component average value and the blue component average value of the pixel points according to the screened pixel point data.
Optionally, the valid interval of the red component value, the valid interval of the green component value, and the valid interval of the blue component value are respectively from 0.8 time of the calculated red component average value to 1.2 times of the calculated red component average value, from 0.8 time of the calculated green component average value to 1.2 times of the calculated green component average value, and from 0.8 time of the calculated blue component average value to 1.2 times of the calculated blue component average value.
Optionally, the obtaining of the color temperature parameter under the current ambient brightness according to the red component value, the green component value, and the blue component value under the current ambient brightness includes:
and searching the color temperature parameter under the current ambient brightness in a preset mapping table according to the red component value, the green component value and the blue component value under the current ambient brightness.
Optionally, before obtaining the current ambient brightness, the method further includes:
judging whether the terminal is in a standby mode or not;
and if the terminal is not in the standby mode, executing the step of obtaining the current environment brightness.
Further, to achieve the above object, a second aspect of the embodiments of the present invention provides a terminal, including: the screen color temperature adjusting method comprises a memory, a processor and a screen color temperature adjusting program which is stored on the memory and can run on the processor, wherein the screen color temperature adjusting program realizes the steps of the screen color temperature adjusting method in the first aspect when being executed by the processor.
Furthermore, to achieve the above object, a third aspect of embodiments of the present invention provides a computer-readable storage medium having stored thereon a screen color temperature adjustment program, which when executed by a processor, implements the steps of the screen color temperature adjustment method according to the first aspect.
According to the screen color temperature adjusting method, the terminal and the computer readable storage medium provided by the embodiment of the invention, the red component value, the green component value and the blue component value under the current ambient brightness are obtained through calculation, and the color temperature parameter is obtained to adjust the color temperature of the screen of the terminal; and an RGB light sensor is not needed, and the cost of the terminal is not increased.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention;
fig. 2 is a diagram of a communication network system architecture according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a method for adjusting a color temperature of a screen according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a process of obtaining a red component value, a green component value and a blue component value under the current ambient brightness according to the screen color temperature adjusting method of the embodiment of the invention;
FIG. 5 is a schematic flow chart illustrating re-calculation of the red component average value, the green component average value and the blue component average value in the screen color temperature adjustment method according to the embodiment of the invention;
fig. 6 is a schematic structural diagram of a terminal according to an 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.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 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 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
First embodiment
As shown in fig. 3, a first embodiment of the present invention provides a screen color temperature adjusting method, which is applied to a terminal, and the method includes the steps of:
s31, obtaining the current environment brightness, and obtaining the red component value, the green component value and the blue component value under the current environment brightness.
In this embodiment, the current ambient brightness may be obtained by a common light sensor.
Referring to fig. 4, in this embodiment, the step of obtaining the current ambient brightness and obtaining the red component value, the green component value and the blue component value under the current ambient brightness includes:
s311, obtaining the current environment brightness, and determining the effective interval of the current environment brightness value.
In this embodiment, the effective range of the current environment brightness value is between 0.8 times of the current environment brightness value and 1.2 times of the current environment brightness value.
Illustratively, if the current environment brightness value is ALS0, the effective interval of the current environment brightness value is 0.8ALS 0-1.2 ALS 0.
And S312, screening pixel point data collected by the terminal camera according to the effective interval of the environment brightness value.
Specifically, if the photosensitive value of the pixel point data collected by the terminal camera is within the effective interval of the environment brightness value, the pixel point data collected by the terminal camera is reserved; otherwise, pixel point data collected by the terminal camera is cleared.
In this embodiment, the image data collected by the terminal camera is converted into an electrical signal, and then converted into a digital image signal through analog-to-digital conversion.
S313, extracting the red component value, the green component value and the blue component value of the pixel point according to the screened pixel point data.
S314, calculating the average value of the red component, the average value of the green component and the average value of the blue component of the pixel point according to the red component value, the green component value and the blue component value of the pixel point.
As an example, assuming that the number of pixel point data within the effective interval of the environmental luminance value is n, the red component average value Ravg1＝(R1+R2+…+Rn) N, mean value of green component Gavg1＝(G1+G2+…+Gn) N, blue component average Bavg1＝(B1+B2+…+Bn)/n。
Referring to fig. 5, in an embodiment, after calculating the red component average value, the green component average value, and the blue component average value of the pixel point according to the red component value, the green component value, and the blue component value of the pixel point, the method further includes the following steps:
s3141, determining an effective interval of a red component value, an effective interval of a green component value and an effective interval of a blue component value according to the calculated red component average value, green component average value and blue component average value of the pixel point;
in this embodiment, the valid interval of the red component value, the valid interval of the green component value, and the valid interval of the blue component value are 0.8 times to 1.2 times the calculated red component average value, 0.8 times to 1.2 times the calculated green component average value, and 0.8 times to 1.2 times the calculated blue component average value, respectively.
Illustratively, the valid intervals of the red component values, the green component values and the blue component values are 0.8Ravg1～1.2Ravg1、0.8Gavg1～1.2Gavg1And 0.8Bavg1～1.2Bavg1。
S3142, re-screening the pixel point data collected by the terminal camera according to the determined effective interval of the red component value, the determined effective interval of the green component value and the determined effective interval of the blue component value;
s3143, according to the screened pixel point data, recalculating the red component average value, the green component average value and the blue component average value of the pixel point.
And S315, obtaining a red component value, a green component value and a blue component value under the current ambient brightness according to the red component average value, the green component average value and the blue component average value of the pixel points and the acquisition precision of the terminal camera.
By way of example, assume according to 0.8Ravg1～1.2Ravg1、0.8Gavg1～1.2Gavg1And 0.8Bavg1～1.2Bavg1And if the quantity of the pixel point data collected by the terminal camera is screened again to be m, the recalculated average value of the red components of the pixel points is Ravg2＝(R1+R2+…+Rm) M, the average value of the green components is Gavg2＝(G1+G2+…+Gm) M, average value of blue component is Bavg2＝(B1+B2+…+Bm)/m。
Assuming that the acquisition precision digit of the terminal camera is Bit-t, and the obtained red component value under the current environment brightness is Rg＝Ravg2X 255/2t, green component value Gg＝Gavg2X 255/2t, blue colorOf magnitude Bg＝Bavg2×255/2t。
In one embodiment, the obtaining of the current ambient brightness further comprises:
judging whether the terminal is in a standby mode or not; and if the terminal is not in the standby mode, executing the step of obtaining the current environment brightness.
Further, to facilitate subsequent calculations, the current ambient brightness may be updated in real-time.
Illustratively, when the terminal is in the non-standby mode, the current ambient brightness is obtained in real time, and the terminal obtains the current ambient brightness once again at intervals of a preset time period, if the variation range of the ambient brightness values of the two times exceeds 5 candelas per square meter (cd/m)2) And if so, updating the current ambient brightness.
S32, acquiring the color temperature parameter under the current ambient brightness according to the red component value, the green component value and the blue component value under the current ambient brightness.
In this embodiment, the acquiring the color temperature parameter under the current ambient brightness according to the red component value, the green component value and the blue component value under the current ambient brightness includes:
and searching the color temperature parameter under the current ambient brightness in a preset mapping table according to the red component value, the green component value and the blue component value under the current ambient brightness.
As an example, the preset mapping table may be as follows:
| color temperature parameter value | Red component value Rg: green component value Gg: blue component value Bg |
| 1000k | 255:51:0 |
| 1100k | 255:69:0 |
| 1200k | 255:85:0 |
| …… | …… |
| 3200k | 255:192:118 |
| …… | …… |
| 7500k | 238:239:255 |
And S33, adjusting the color temperature of the terminal screen according to the color temperature parameter.
According to the screen color temperature adjusting method provided by the embodiment of the invention, a red component value, a green component value and a blue component value under the current ambient brightness are obtained through calculation, and a color temperature parameter is obtained to adjust the color temperature of the terminal screen; and an RGB light sensor is not needed, and the cost of the terminal is not increased.
Second embodiment
Referring to fig. 6, fig. 6 provides a terminal for the second embodiment of the present invention, where the terminal 40 includes: a memory 41, a processor 42 and a screen color temperature adjusting program stored on the memory 41 and operable on the processor 42, the screen color temperature adjusting program when executed by the processor 42 is used for implementing the following steps of the screen color temperature adjusting method:
s31, acquiring the current environment brightness, and acquiring a red component value, a green component value and a blue component value under the current environment brightness;
s32, acquiring a color temperature parameter under the current ambient brightness according to the red component value, the green component value and the blue component value under the current ambient brightness;
and S33, adjusting the color temperature of the terminal screen according to the color temperature parameter.
The screen color temperature adjusting program, when executed by the processor 42, is further configured to implement the following steps of the screen color temperature adjusting method:
s311, obtaining the current environment brightness, and determining the effective interval of the current environment brightness value;
s312, screening pixel point data collected by a terminal camera according to the effective interval of the environment brightness value;
s313, extracting the red component value, the green component value and the blue component value of the pixel point according to the screened pixel point data;
s314, calculating a red component average value, a green component average value and a blue component average value of the pixel point according to the red component value, the green component value and the blue component value of the pixel point;
and S315, obtaining a red component value, a green component value and a blue component value under the current ambient brightness according to the red component average value, the green component average value and the blue component average value of the pixel points and the acquisition precision of the terminal camera.
The screen color temperature adjusting program, when executed by the processor 42, is further configured to implement the following steps of the screen color temperature adjusting method:
the effective interval of the current environment brightness value is between 0.8 times of the current environment brightness value and 1.2 times of the current environment brightness value.
The screen color temperature adjusting program, when executed by the processor 42, is further configured to implement the following steps of the screen color temperature adjusting method:
if the photosensitive value of the pixel point data collected by the terminal camera is in the effective interval of the environment brightness value, the pixel point data collected by the terminal camera is reserved; otherwise, pixel point data collected by the terminal camera is cleared.
The screen color temperature adjusting program, when executed by the processor 42, is further configured to implement the following steps of the screen color temperature adjusting method:
s3141, determining an effective interval of a red component value, an effective interval of a green component value and an effective interval of a blue component value according to the calculated red component average value, green component average value and blue component average value of the pixel point;
s3142, re-screening the pixel point data collected by the terminal camera according to the determined effective interval of the red component value, the determined effective interval of the green component value and the determined effective interval of the blue component value;
s3143, according to the screened pixel point data, recalculating the red component average value, the green component average value and the blue component average value of the pixel point.
The screen color temperature adjusting program, when executed by the processor 42, is further configured to implement the following steps of the screen color temperature adjusting method:
the effective interval of the red component value, the effective interval of the green component value and the effective interval of the blue component value are respectively from 0.8 time of the calculated red component average value to 1.2 times of the calculated red component average value, from 0.8 time of the calculated green component average value to 1.2 times of the calculated green component average value and from 0.8 time of the calculated blue component average value to 1.2 times of the calculated blue component average value.
The screen color temperature adjusting program, when executed by the processor 42, is further configured to implement the following steps of the screen color temperature adjusting method:
and searching the color temperature parameter under the current ambient brightness in a preset mapping table according to the red component value, the green component value and the blue component value under the current ambient brightness.
The screen color temperature adjusting program, when executed by the processor 42, is further configured to implement the following steps of the screen color temperature adjusting method:
judging whether the terminal is in a standby mode or not;
and if the terminal is not in the standby mode, executing the step of obtaining the current environment brightness.
According to the terminal provided by the embodiment of the invention, the red component value, the green component value and the blue component value under the current ambient brightness are obtained through calculation, and the color temperature parameter is obtained to adjust the color temperature of the terminal screen; and an RGB light sensor is not needed, and the cost of the terminal is not increased.
Third embodiment
A third embodiment of the present invention provides a computer-readable storage medium having stored thereon a screen color temperature adjustment program that, when executed by a processor, implements the steps of the screen color temperature adjustment method of the first embodiment.
The computer-readable storage medium provided by the embodiment of the invention obtains a red component value, a green component value and a blue component value under the current ambient brightness through calculation, and obtains a color temperature parameter to adjust the color temperature of a terminal screen; and an RGB light sensor is not needed, and the cost of the terminal is not increased.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A screen color temperature adjusting method is applied to a terminal and comprises the following steps:
acquiring the current environment brightness, and acquiring a red component value, a green component value and a blue component value under the current environment brightness;
acquiring a color temperature parameter under the current ambient brightness according to the red component value, the green component value and the blue component value under the current ambient brightness;
according to the color temperature parameter, adjusting the color temperature of the terminal screen;
wherein, the obtaining the current ambient brightness and the red component value, the green component value and the blue component value under the current ambient brightness comprises the steps of:
acquiring the current environment brightness, and determining the effective interval of the current environment brightness value;
screening pixel point data collected by a terminal camera according to the effective interval of the environment brightness value;
extracting a red component value, a green component value and a blue component value of the pixel point according to the screened pixel point data;
calculating a red component average value, a green component average value and a blue component average value of the pixel point according to the red component value, the green component value and the blue component value of the pixel point;
and obtaining a red component value, a green component value and a blue component value under the current ambient brightness according to the red component average value, the green component average value and the blue component average value of the pixel points and the acquisition precision of the terminal camera.
2. The method of claim 1, wherein the effective range of the current ambient brightness value is between 0.8 times the current ambient brightness value and 1.2 times the current ambient brightness value.
3. The method for adjusting color temperature of a screen according to claim 1, wherein the step of screening pixel data collected by a terminal camera according to the effective interval of the environmental brightness value comprises the steps of:
if the photosensitive value of the pixel point data collected by the terminal camera is in the effective interval of the environment brightness value, the pixel point data collected by the terminal camera is reserved; otherwise, pixel point data collected by the terminal camera is cleared.
4. The method for adjusting color temperature of a screen according to claim 1, wherein said step of calculating the average value of the red component, the average value of the green component and the average value of the blue component of said pixel point according to the red component value, the green component value and the blue component value of said pixel point further comprises the steps of:
determining an effective interval of a red component value, an effective interval of a green component value and an effective interval of a blue component value according to the calculated red component average value, green component average value and blue component average value of the pixel points;
re-screening the pixel point data collected by the terminal camera according to the determined effective interval of the red component value, the determined effective interval of the green component value and the determined effective interval of the blue component value;
and recalculating the red component average value, the green component average value and the blue component average value of the pixel points according to the screened pixel point data.
5. The screen color temperature adjusting method of claim 4, wherein the valid interval of the red component values, the valid interval of the green component values and the valid interval of the blue component values are respectively from 0.8 times the calculated average value of the red component to 1.2 times the calculated average value of the red component, from 0.8 times the calculated average value of the green component to 1.2 times the calculated average value of the green component and from 0.8 times the calculated average value of the blue component to 1.2 times the calculated average value of the blue component.
6. The method for adjusting color temperature of a screen according to claim 1, wherein said obtaining the color temperature parameter at the current ambient brightness according to the red component value, the green component value and the blue component value at the current ambient brightness comprises the steps of:
and searching the color temperature parameter under the current ambient brightness in a preset mapping table according to the red component value, the green component value and the blue component value under the current ambient brightness.
7. The screen color temperature adjusting method according to claim 1, wherein the step of obtaining the current ambient brightness further comprises:
judging whether the terminal is in a standby mode or not;
and if the terminal is not in the standby mode, executing the step of obtaining the current environment brightness.
8. A terminal, characterized in that the terminal comprises: a memory, a processor and a screen color temperature adjusting program stored on the memory and executable on the processor, the screen color temperature adjusting program when executed by the processor implementing the steps of the screen color temperature adjusting method according to any one of claims 1 to 7.
9. A computer-readable storage medium, having a screen color temperature adjustment program stored thereon, which when executed by a processor, implements the steps of the screen color temperature adjustment method of any one of claims 1 to 7.
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| CN109388223A (en) * | 2018-09-14 | 2019-02-26 | 维沃移动通信有限公司 | One kind putting out screen display method, apparatus and terminal |
| CN109408018A (en) * | 2018-10-26 | 2019-03-01 | 深圳大学 | A kind of screen color temp adjusting method, device and terminal device |
| CN109584813B (en) * | 2019-01-22 | 2020-11-10 | 钜讯通电子（深圳）有限公司 | Display control method and device, storage medium and display |
| CN109947228A (en) * | 2019-03-27 | 2019-06-28 | 努比亚技术有限公司 | A kind of display panel control method, device and computer readable storage medium |
| CN112948029B (en) * | 2019-11-26 | 2023-12-29 | 上海哔哩哔哩科技有限公司 | Page adjustment method, page adjustment device, computer equipment and computer readable storage medium |
| CN110808002A (en) * | 2019-11-28 | 2020-02-18 | 北京迈格威科技有限公司 | Screen display compensation method and device and electronic equipment |
| CN111163305A (en) * | 2019-12-30 | 2020-05-15 | 深圳Tcl新技术有限公司 | Screen adjusting method, device and equipment and readable storage medium |
| CN111653250B (en) * | 2020-06-11 | 2021-08-20 | 深圳创维－Rgb电子有限公司 | Screen display demonstration method and device and terminal equipment |
| CN112397039A (en) * | 2020-11-16 | 2021-02-23 | 北京小米移动软件有限公司 | Color temperature adjusting method and device, terminal and storage medium |
| CN113329145B (en) * | 2021-04-19 | 2022-12-09 | 北京蓝色星云科技发展有限公司 | Control method and device of monitoring equipment, monitoring equipment and storage medium |
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