CN106683638A - Screen adjusting method and device - Google Patents
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- CN106683638A CN106683638A CN201611178296.1A CN201611178296A CN106683638A CN 106683638 A CN106683638 A CN 106683638A CN 201611178296 A CN201611178296 A CN 201611178296A CN 106683638 A CN106683638 A CN 106683638A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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Abstract
The invention discloses a screen adjusting method and device; the method comprises: acquiring exposure time through an image sensor; converting the exposure time into brightness value and saturation value of a corresponding screen based on a preset function; adjusting the screen according to the brightness value and the saturation value. By using the method, it is possible to quickly adjust screen brightness and saturation, the screen can be adjusted during opening of a camera, screen adjustment response speed and sensitivity can be improved, and content in a picked picture is more identifiable.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a method and a device for adjusting a screen.
Background
With the development of mobile terminal technology, the shooting pixels of a built-in camera of a mobile terminal are higher and higher, which also stimulates the shooting interest of mobile terminal users. However, when the user takes a picture outdoors, especially in a bright light environment in a backlit manner, the screen brightness of the mobile terminal is low, and it is difficult for the user to see the content in the frame.
In the prior art, a light sensor is usually used to detect a light intensity value of external ambient light, and then the screen brightness of the mobile terminal is adjusted according to the detected light intensity value. However, the conventional method for adjusting the screen brightness by using the optical sensor has a relatively slow response speed to the light intensity value of the external environment, and is prone to cause problems of insufficient screen brightness adjustment and dim of the viewfinder picture displayed by the mobile terminal.
Disclosure of Invention
The object of the present invention is to solve at least to some extent one of the above mentioned technical problems.
Therefore, a first objective of the present invention is to provide a method for adjusting a screen, which can quickly adjust the brightness of the screen according to the exposure time, thereby improving the recognizability of the content in the viewfinder frame.
A second object of the present invention is to provide a device for adjusting a screen.
A third object of the present invention is to provide a mobile terminal.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a method for adjusting a screen, including: acquiring exposure time through an image sensor; converting the exposure time into a corresponding brightness value and saturation value of the screen based on a preset function; and adjusting the screen according to the brightness value and the saturation value.
In the method for adjusting a screen according to the embodiment of the first aspect of the present invention, the exposure time is obtained, and the exposure time is converted into the brightness value and the saturation value of the corresponding screen based on the preset function, so that the screen is adjusted according to the brightness value and the saturation value. Therefore, the brightness and the saturation of the screen can be quickly adjusted, the adjustment of the screen is guaranteed to be completed when the camera is turned on, the response speed and the sensitivity of the screen adjustment are improved, and the identifiability of the content in the framing picture is improved.
In order to achieve the above object, a second embodiment of the present invention provides an apparatus for adjusting a screen, including: the acquisition module is used for acquiring exposure time through the image sensor; the conversion module is used for converting the exposure time into a corresponding brightness value and a corresponding saturation value of the screen based on a preset function; and the adjusting module is used for adjusting the screen according to the brightness value and the saturation value.
According to the device for adjusting the screen, which is provided by the embodiment of the second aspect of the invention, the exposure time is obtained and is converted into the corresponding brightness value and the corresponding saturation value of the screen based on the preset function, so that the screen is adjusted according to the brightness value and the saturation value. Therefore, the brightness and the saturation of the screen can be quickly adjusted, the adjustment of the screen is guaranteed to be completed when the camera is turned on, the response speed and the sensitivity of the screen adjustment are improved, and the identifiability of the content in the framing picture is improved.
In order to achieve the above object, an embodiment of a third aspect of the present invention provides a mobile terminal, including: the device comprises a shell, a processor, a memory, an image sensor, a circuit board and a power circuit. The circuit board is arranged in a space enclosed by the shell; the processor, the image sensor and the memory are arranged on the circuit board; the power supply circuit is used for supplying power to each circuit or device of the mobile terminal; an image sensor for acquiring an exposure time; the memory is used for storing executable program codes; the processor runs a program corresponding to the executable program code by reading the executable program code stored in the memory, for performing the steps of:
converting the exposure time into a corresponding brightness value and saturation value of the screen based on a preset function;
and adjusting the screen according to the brightness value and the saturation value.
In the mobile terminal according to the embodiment of the third aspect of the present invention, the exposure time is obtained by using the image sensor, and the exposure time is converted into the brightness value and the saturation value of the corresponding screen based on the preset function, so as to adjust the screen according to the brightness value and the saturation value. Therefore, the brightness and the saturation of the screen can be quickly adjusted, the adjustment of the screen is guaranteed to be completed when the camera is turned on, the response speed and the sensitivity of the screen adjustment are improved, and the identifiability of the content in the framing picture is improved.
Drawings
Aspects and advantages of embodiments of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart of a method for adjusting a screen according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a method for adjusting a screen according to another embodiment of the present invention;
FIG. 3 is a flow chart illustrating a method for adjusting a screen according to another embodiment of the present invention;
FIG. 4 is a flowchart illustrating a method for adjusting a screen according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an apparatus for adjusting a screen according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an apparatus for adjusting a screen according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of an apparatus for adjusting a screen according to another embodiment of the present invention;
FIG. 8 is a schematic structural diagram of an apparatus for adjusting a screen according to still another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The method, the apparatus and the mobile terminal for adjusting a screen according to an embodiment of the present invention are described below with reference to the accompanying drawings.
Fig. 1 is a flowchart illustrating a method for adjusting a screen according to an embodiment of the present invention.
As shown in fig. 1, the method for adjusting a screen of the present embodiment includes the following steps:
s11: the exposure time is acquired by the image sensor.
The image sensor is an important component of the photographing apparatus. Therefore, in a mobile terminal having a photographing function, an image sensor is one of indispensable elements.
In this embodiment, the exposure time of the camera in the mobile terminal may be acquired by the image sensor.
Optionally, referring to fig. 2, fig. 2 is a schematic flowchart of a method for adjusting a screen according to another embodiment of the present invention.
As shown in fig. 2, before the obtaining of the exposure time by the image sensor, the method may further include:
s21: the image sensor is turned on.
It can be understood that in order to be able to acquire the exposure time by the image sensor, the image sensor is first turned on. Since the image sensor is an important component of the photographing apparatus, the image sensor is turned on when the camera in the mobile terminal is turned on to take a picture.
After the image sensor is turned on, the exposure time required for taking a picture can be acquired through the image sensor.
Specifically, referring to fig. 3, fig. 3 is a flowchart illustrating a method for adjusting a screen according to still another embodiment of the present invention.
As shown in fig. 3, acquiring the exposure time by the image sensor may specifically include the following steps:
s31: a light intensity value of ambient light detected by an image sensor is received.
In this embodiment, the light intensity value of the external ambient light may be detected by the image sensor, and then the light intensity value of the ambient light detected by the image sensor is received.
S32: the exposure time is calculated from the light intensity values.
In this embodiment, after obtaining the light intensity value of the ambient light detected by the image sensor, the exposure time may be calculated and obtained according to the light intensity value.
In photographing, it is necessary to calculate an accurate exposure value by detecting a light intensity value of external environment light, that is, an amount of light entering that can be received by an image sensor, by the image sensor. For example: the length of the exposure time is calculated to be 1/500 seconds according to the received light input quantity, and the photo can be correctly exposed.
S12: the exposure time is converted into a corresponding brightness value and saturation value of the screen based on a preset function.
In this embodiment, after the exposure time is obtained, the exposure time may be converted into the corresponding brightness value and saturation value of the screen based on the preset function.
It should be noted that the preset function is established in advance. Under the condition that the ambient light conditions of different image sensors are the same, the obtained exposure time is not necessarily the same, and the brightness value and the saturation value of the corresponding converted screens are different.
S13: and adjusting the screen according to the brightness value and the saturation value.
In this embodiment, after the exposure time is converted into the brightness value and the saturation value of the corresponding screen, the screen of the mobile terminal may be adjusted, the brightness of the screen is adjusted to the corresponding brightness value, and the saturation of the screen is adjusted to the corresponding saturation value, so that the mobile terminal adapts to the current external environment light intensity.
According to the method for adjusting the screen, disclosed by the embodiment of the invention, the exposure time is obtained and is converted into the corresponding brightness value and the saturation value of the screen based on the preset function, so that the screen is adjusted according to the brightness value and the saturation value. Therefore, the brightness and the saturation of the screen can be quickly adjusted, the adjustment of the screen is guaranteed to be completed when the camera is turned on, the response speed and the sensitivity of the screen adjustment are improved, and the identifiability of the content in the framing picture is improved.
Fig. 4 is a flowchart illustrating a method for adjusting a screen according to another embodiment of the present invention.
As shown in fig. 4, based on the above embodiment, before step S12, the method for adjusting the screen may further include:
s41: and establishing a preset function.
The preset function is used for expressing the corresponding relation between the exposure time and the brightness value and the saturation value of the screen.
Specifically, the exposure time is inversely related to the luminance value and the saturation value. That is, if the exposure time required for photographing is long, it indicates that the ambient light is not strong enough, and therefore the brightness value and the saturation value of the corresponding screen are low, i.e., the screen can be seen clearly without adjusting the brightness and the saturation of the screen to be brightest or most saturated; conversely, if the exposure time required for photographing is short, indicating that the ambient light is strong enough, it is necessary to adjust the brightness value and the saturation value of the screen as high as possible so that the user can see the screen clearly under strong ambient light and the screen is bright in color.
It should be noted that the preset function may be a calculation formula in which the brightness value and the saturation value are in inverse proportion to the exposure time, and the corresponding brightness value and the saturation value are obtained through the exposure time calculation. The preset function may also be a corresponding relation table of exposure time and brightness and saturation values, and the brightness and saturation values corresponding to the exposure time are obtained by looking up the table, wherein in the corresponding relation table, the exposure time and the brightness and saturation values are in inverse proportion. The invention is not limited in this regard.
In this embodiment, after the preset function is established, the exposure time may be converted into the corresponding brightness value and saturation value of the screen based on the preset function.
It should be noted that the process of establishing the preset function may be performed at any time before the exposure time is converted into the corresponding brightness value and saturation value of the screen based on the preset function, which is not limited by the present invention.
In addition, it should be noted that the preset function may be set by a manufacturer before the mobile terminal leaves the factory, or may be set by a user of the mobile terminal according to an actual requirement of the user, which is not limited in the present invention.
The method for adjusting the screen, provided by the embodiment of the invention, is used for expressing the corresponding relation between the exposure time and the brightness value and the saturation value of the screen by pre-establishing the preset function so as to realize the conversion between the exposure time and the brightness value and the saturation value, and further realize the quick adjustment of the brightness and the saturation of the screen according to the exposure time.
In order to implement the above embodiment, the present invention further provides a device for adjusting a screen, and fig. 5 is a schematic structural diagram of the device for adjusting a screen according to an embodiment of the present invention.
As shown in fig. 5, the apparatus for adjusting a screen includes: an acquisition module 510, a conversion module 520, and an adjustment module 530. Wherein,
an obtaining module 510, configured to obtain the exposure time through the image sensor.
Optionally, as shown in fig. 6, the apparatus for adjusting a screen further includes:
and a starting module 540, configured to start the image sensor before the exposure time is obtained by the image sensor.
In this embodiment, to obtain the exposure time through the image sensor, the image sensor is first turned on through the turn-on module 540.
After the start module 540 starts the image sensor, the obtaining module 510 can obtain the exposure time required for taking the picture through the image sensor.
Specifically, as shown in fig. 7, on the basis shown in fig. 5, the obtaining module 510 specifically includes:
the receiving unit 511 is configured to receive a light intensity value of the ambient light detected by the image sensor.
A calculating unit 512 for calculating an exposure time according to the light intensity value.
When photographing, it is necessary to detect the light intensity value of the external environment light, i.e., the amount of light entering the image sensor, by using the image sensor, and after the receiving unit 511 receives the light intensity value of the external environment light detected by the image sensor, the calculating unit 512 can calculate the correct exposure value. For example: the calculation unit 512 calculates the length of the exposure time to 1/500 seconds from the light amount received by the reception unit 511, and thus, the photograph can be correctly exposed.
A converting module 520, configured to convert the exposure time into a corresponding brightness value and saturation value of the screen based on a preset function.
In this embodiment, after the obtaining module 510 obtains the exposure time, the converting module 520 may convert the exposure time into the corresponding brightness value and saturation value of the screen based on the preset function.
It should be noted that the preset function is established in advance. Under the condition that the ambient light conditions of different image sensors are the same, the obtained exposure time is not necessarily the same, and the brightness value and the saturation value of the corresponding converted screens are different.
And an adjusting module 530 for adjusting the screen according to the brightness value and the saturation value.
In this embodiment, after the conversion module 520 converts the exposure time into the brightness value and the saturation value of the corresponding screen, the adjustment module 530 may adjust the screen of the mobile terminal, adjust the brightness of the screen to the corresponding brightness value, and adjust the saturation of the screen to the corresponding saturation value, so that the mobile terminal adapts to the current external environment light intensity.
It should be noted that the explanation of the method embodiment for adjusting the screen in the foregoing embodiment is also applicable to the device for adjusting the screen in this embodiment, and the implementation principle thereof is similar, and is not described herein again.
According to the device for adjusting the screen, disclosed by the embodiment of the invention, the exposure time is obtained and is converted into the corresponding brightness value and the saturation value of the screen based on the preset function, so that the screen is adjusted according to the brightness value and the saturation value. Therefore, the brightness and the saturation of the screen can be quickly adjusted, the adjustment of the screen is guaranteed to be completed when the camera is turned on, the response speed and the sensitivity of the screen adjustment are improved, and the identifiability of the content in the framing picture is improved.
Fig. 8 is a schematic structural diagram of an apparatus for adjusting a screen according to another embodiment of the present invention.
As shown in fig. 8, the apparatus for adjusting a screen may further include, on the basis of fig. 5:
the establishing module 550 is configured to establish a preset function before the exposure time is converted into the corresponding brightness value and saturation value of the screen based on the preset function.
The preset function is used for expressing the corresponding relation between the exposure time and the brightness value and the saturation value of the screen.
Specifically, the exposure time is inversely related to the luminance value and the saturation value. That is, if the exposure time required for photographing is long, it means that the ambient light is not strong enough, and therefore the brightness value and the saturation value of the corresponding screen are low, i.e., the screen can be seen clearly without adjusting the brightness and the saturation of the screen to be brightest or most saturated; conversely, if the exposure time required for photographing is short, indicating that the ambient light is strong enough, it is necessary to adjust the brightness value and the saturation value of the screen as high as possible so that the user can see the screen clearly under strong ambient light and the screen is bright in color.
It should be noted that the preset function may be a calculation formula in which the brightness value and the saturation value are in inverse proportion to the exposure time, and the corresponding brightness value and the saturation value are obtained through the exposure time calculation. The preset function may also be a corresponding relation table of exposure time and brightness and saturation values, and the brightness and saturation values corresponding to the exposure time are obtained by looking up the table, wherein in the corresponding relation table, the exposure time and the brightness and saturation values are in inverse proportion. The invention is not limited in this regard.
In this embodiment, after the establishing module 550 establishes the preset function, the converting module 520 may convert the exposure time into the corresponding brightness value and saturation value of the screen based on the preset function.
It should be noted that the explanation of the method embodiment for adjusting the screen in the foregoing embodiment is also applicable to the device for adjusting the screen in this embodiment, and the implementation principle thereof is similar, and is not described herein again.
The device for adjusting the screen, provided by the embodiment of the invention, is used for expressing the corresponding relation between the exposure time and the brightness value and the saturation value of the screen by pre-establishing the preset function so as to realize the conversion between the exposure time and the brightness value and the saturation value, and further realize the quick adjustment of the brightness and the saturation of the screen according to the exposure time.
Fig. 9 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
As shown in fig. 9, the mobile terminal 90 may include: housing 910, processor 920, memory 930, image sensor 940, circuit board 950, and power circuit 960. Wherein,
the circuit board 950 is disposed inside the space enclosed by the housing 910; the processor 920, the image sensor 940, and the memory 930 are disposed on a circuit board 950; the power circuit 960 is used for supplying power to various circuits or devices of the mobile terminal; the image sensor 940 is used to acquire an exposure time; memory 930 is used to store executable program code; the processor 920 runs a program corresponding to the executable program code by reading the executable program code stored in the memory 930, for performing the steps of:
converting the exposure time into a corresponding brightness value and saturation value of the screen based on a preset function;
and adjusting the screen according to the brightness value and the saturation value.
It should be noted that the foregoing explanation on the method embodiment for adjusting the screen is also applicable to the mobile terminal of the embodiment, and the implementation principle is similar, and is not described herein again.
According to the mobile terminal provided by the embodiment of the invention, the exposure time is obtained by using the image sensor, and the exposure time is converted into the brightness value and the saturation value of the corresponding screen based on the preset function, so that the screen is adjusted according to the brightness value and the saturation value. Therefore, the brightness and the saturation of the screen can be quickly adjusted, the adjustment of the screen is guaranteed to be completed when the camera is turned on, the response speed and the sensitivity of the screen adjustment are improved, and the identifiability of the content in the framing picture is improved.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A method of adjusting a screen, comprising:
acquiring exposure time through an image sensor;
converting the exposure time into a corresponding brightness value and a corresponding saturation value of the screen based on a preset function;
and adjusting the screen according to the brightness value and the saturation value.
2. The method of claim 1, prior to acquiring the exposure time by the image sensor, further comprising:
and turning on the image sensor.
3. The method of claim 1, wherein acquiring the exposure time by the image sensor comprises:
receiving a light intensity value of ambient light detected by the image sensor;
and calculating the exposure time according to the light intensity value.
4. The method of claim 1, before converting the exposure time to a corresponding brightness value and saturation value of the screen based on a preset function, further comprising:
and establishing the preset function, wherein the preset function is used for expressing the corresponding relation between the exposure time and the brightness value and the saturation value of the screen.
5. The method of claim 4, wherein the exposure time is inversely related to the brightness value and the saturation value.
6. An apparatus for adjusting a screen, comprising:
the acquisition module is used for acquiring exposure time through the image sensor;
the conversion module is used for converting the exposure time into a corresponding brightness value and a corresponding saturation value of the screen based on a preset function;
and the adjusting module is used for adjusting the screen according to the brightness value and the saturation value.
7. The apparatus of claim 6, further comprising:
and the starting module is used for starting the image sensor before the exposure time is acquired by the image sensor.
8. The apparatus of claim 6, wherein the acquisition module comprises:
a receiving unit for receiving a light intensity value of the ambient light detected by the image sensor;
and the calculating unit is used for calculating the exposure time according to the light intensity value.
9. The apparatus of claim 6, further comprising:
the establishing module is used for establishing a preset function before the exposure time is converted into the corresponding brightness value and the corresponding saturation value of the screen based on the preset function, and the preset function is used for expressing the corresponding relation between the exposure time and the brightness value and the saturation value of the screen.
10. The apparatus of claim 9, wherein the exposure time is inversely related to the brightness value and the saturation value.
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| CN112866582A (en) * | 2021-04-23 | 2021-05-28 | 北京金和网络股份有限公司 | Sensitization processing method, device and equipment |
| CN114694619A (en) * | 2022-04-25 | 2022-07-01 | 广州视享科技有限公司 | Brightness adjusting method and device for intelligent glasses and intelligent glasses |
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