WO2019061546A1

WO2019061546A1 - Mobile terminal photographing method, device and computer readable storage medium

Info

Publication number: WO2019061546A1
Application number: PCT/CN2017/105166
Authority: WO
Inventors: 朱斌杰; 彭植远; 兰俊
Original assignee: 深圳传音通讯有限公司
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2019-04-04

Abstract

The invention discloses a photographing method for a mobile terminal, comprising the following steps: obtaining a current ambient brightness value when a preset operation instruction is received; when entering the photographing interface, finding a target parameter corresponding to the current ambient brightness value in a preset parameter table, and setting the exposure parameter on the basis of the target parameter; and when the photographing instruction is received, performing the photographing task on the basis of the exposure parameter. Also disclosed in the invention are a camera device and a computer readable storage medium for the mobile terminal. According to the present invention, the ambient brightness value is obtained before entering the photographing interface, and the exposure parameter is set according to the ambient brightness value to complete the automatic exposure, which effectively shortens the time of taking pictures and reduces the noise of taking pictures, thereby improving the user experience.

Description

Photographing method, device and computer readable storage medium for mobile terminal

Technical field

The present invention relates to the field of mobile terminal technologies, and in particular, to a method and device for photographing a mobile terminal, and a computer readable storage medium.

Background technique

With the rapid development of mobile terminal technology, people are increasingly demanding the camera function of mobile terminals. Mobile phone photography has become an indispensable part of contemporary fashion. For example, self-timer, capture, and far-shooting, mobile phones now have exposure. Function, able to take clear photos according to the brightness of the surrounding environment.

At present, when the mobile phone is photographed, after entering the photographing interface, the current ambient brightness and the screen brightness are calculated by collecting the current image of the multi-frame, and then the exposure parameters are set to take a photo, but the photographing method is slow in photographing, and the photo noise is captured at any time. A lot, affecting the user experience.

The above content is only used to assist in understanding the technical solutions of the present invention, and does not constitute an admission that the above is prior art.

Summary of the invention

The main purpose of the present invention is to provide a photographing method, a device and a computer readable storage medium for a mobile terminal, aiming at solving the technical problem of slow photographing speed and high noise.

To achieve the above objective, the present invention provides a photographing method for a mobile terminal, the method comprising the following steps:

Obtaining the current ambient brightness value when receiving the preset operation instruction;

When entering the photographing interface, the target parameter corresponding to the current ambient brightness value is found in the preset parameter table, and the exposure parameter is set based on the target parameter;

Upon receiving the photographing instruction, the photographing task is performed based on the exposure parameter.

Preferably, the step of acquiring a current ambient brightness value comprises:

Obtaining a brightness value in a shooting area, wherein a plurality of brightness values exist in the shooting area;

The average brightness value in the shooting area is calculated and set to the ambient brightness value.

Preferably, the step of finding the target parameter corresponding to the current ambient brightness value in the preset parameter table when entering the photographing interface comprises:

Obtaining each preset brightness range corresponding to each parameter in the preset parameter table;

The ambient brightness value is matched with each of the preset brightness ranges, and when the ambient brightness value is in the preset brightness range, the target parameter corresponding to the preset brightness range is acquired.

Preferably, the step of finding the target parameter corresponding to the current ambient brightness value in the preset parameter table when the camera interface is entered further includes:

Obtaining respective brightness values corresponding to each parameter in the preset parameter table, and calculating a difference between each brightness value and the ambient brightness value;

Obtaining a parameter corresponding to the smallest difference among the differences, and setting a parameter corresponding to the minimum difference as the target parameter.

Preferably, after the step of acquiring the current ambient brightness value when the preset operation instruction is received, the photographing method of the mobile terminal further includes:

Determining whether the current environment is a dark environment based on the current ambient brightness value;

When the current environment is a dark environment, the flash is turned on.

Preferably, after the step of turning on the flash when the current environment is a dark environment, the photographing method of the mobile terminal further includes:

Get the light intensity when the flash is pre-flashed;

The brightness of the flash is adjusted based on the light intensity, and when the light intensity reaches a preset exposure amount, a photographing task is performed.

Preferably, the step of adjusting the brightness of the flash based on the light intensity comprises:

Attenuating the brightness of the flash when the light intensity is greater than a preset threshold;

The brightness of the flash is enhanced when the light intensity is less than a predetermined threshold.

In addition, in order to achieve the above object, the present invention further provides a photographing apparatus of a mobile terminal, where the photographing apparatus of the mobile terminal includes: a memory, a processor, and a mobile terminal stored on the memory and operable on the processor a photographing program, the step of implementing the photographing method of any one of the above mobile terminals when the photographing program of the mobile terminal is executed by the processor.

In addition, in order to achieve the above object, the present invention further provides a computer readable storage medium on which a photographing program of a mobile terminal is stored, and when the photographing program of the mobile terminal is executed by a processor, the foregoing A step of a method of photographing a mobile terminal.

The invention obtains the current ambient brightness value when receiving the preset operation instruction; when entering the photographing interface, finds the target parameter corresponding to the current ambient brightness value in the preset parameter table, and sets the exposure based on the target parameter a parameter; when receiving a photographing instruction, performing a photographing task based on the exposure parameter. The invention also discloses a camera device and a computer readable storage medium for a mobile terminal. The environment brightness value is obtained before entering the photographing interface, and the exposure parameter is set according to the ambient brightness value, the automatic exposure is completed, the photographing time is effectively shortened, and the noise of the photographing is reduced, thereby improving the user experience.

DRAWINGS

1 is a schematic structural diagram of a terminal to which a camera device of a mobile terminal belongs in a hardware operating environment according to an embodiment of the present invention;

2 is a schematic flowchart of a first embodiment of a method for photographing a mobile terminal according to the present invention;

3 is a schematic flowchart of a step of acquiring a current ambient luminance value in the second embodiment of the method for photographing a mobile terminal according to the present invention;

4 is a schematic flowchart of a step of finding a target parameter corresponding to the current ambient brightness value in a preset parameter table when entering a photographing interface according to the third embodiment of the present invention;

FIG. 5 is a schematic flowchart of a step of finding a target parameter corresponding to the current ambient brightness value in a preset parameter table when entering a photographing interface according to the fourth embodiment of the present invention;

6 is a schematic flowchart of a fifth embodiment of a method for photographing a mobile terminal according to the present invention;

FIG. 7 is a schematic flowchart diagram of a sixth embodiment of a method for photographing a mobile terminal according to the present invention.

Detailed ways

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in FIG. 1 , FIG. 1 is a schematic structural diagram of a terminal to which a camera device of a mobile terminal belongs in a hardware operating environment according to an embodiment of the present invention.

The terminal of the embodiment of the present invention may be a PC. As shown in FIG. 1, the terminal may include a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, and a communication bus 1002. Among them, the communication bus 1002 is used to implement connection communication between these components. The user interface 1003 can include a display, an input unit such as a keyboard, and the optional user interface 1003 can also include a standard wired interface, a wireless interface. The network interface 1004 can optionally include a standard wired interface, a wireless interface (such as a WI-FI interface). The memory 1005 may be a high speed RAM memory or a stable memory (non-volatile) Memory), such as disk storage. The memory 1005 can also optionally be a storage device independent of the aforementioned processor 1001.

Optionally, the terminal may further include a camera, RF (Radio) Frequency, RF) circuits, sensors, audio circuits, WiFi modules, and more. Among them, sensors such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display according to the brightness of the ambient light, and the proximity sensor may turn off the display and/or when the mobile terminal moves to the ear. Backlighting. As a kind of motion sensor, the gravity acceleration sensor can detect the magnitude of the acceleration in the direction (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity. It can be used to identify the attitude of the mobile terminal (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; of course, the mobile terminal can also be equipped with other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. Let me repeat.

It will be understood by those skilled in the art that the terminal structure shown in FIG. 1 does not constitute a limitation to the terminal, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements.

As shown in FIG. 1, a memory 1005 as a computer storage medium may include an operation server, a network communication module, a user interface module, and a photographing program of the mobile terminal.

In the terminal shown in FIG. 1, the network interface 1004 is mainly used to connect to the background server and perform data communication with the background server; the user interface 1003 is mainly used to connect the client (user end), and perform data communication with the client; and the processor 1001 can be used to call a photographing program of the mobile terminal stored in the memory 1005.

In this embodiment, the photographing apparatus of the mobile terminal includes: a memory 1005, a processor 1001, and a photographing program of the mobile terminal stored on the memory 1005 and operable on the processor 1001, wherein the processor 1001 invokes When the camera of the mobile terminal is stored in the memory 1005, the following operations are performed:

Further, the processor 1001 may call the photographing program of the mobile terminal stored in the memory 1005, and further perform the following operations:

When the current environment is a dark environment, the flash is turned on.

Get the light intensity when the flash is pre-flashed;

The present invention further provides a photographing method for a mobile terminal. Referring to FIG. 2, FIG. 2 is a schematic flowchart diagram of a first embodiment of a method for photographing a mobile terminal according to the present invention.

In this embodiment, the photographing method of the mobile terminal includes the following steps:

Step S10: Acquire a current ambient brightness value when receiving a preset operation instruction;

In this embodiment, the preset operation instruction includes an instruction triggered by the user clicking the camera icon, an instruction that the user triggers to enter the photographing interface by sliding the screen, and an instruction to enter the photographing interface triggered by the voice sending photo command, for example, the user sets on the mobile phone. The operation of sliding on the screen is a shortcut operation for turning on the camera, and the user turns on the camera by triggering an instruction to enter the photographing interface by performing a slide-up operation on the screen of the mobile phone. The ambient brightness value includes an average brightness value of the shooting area. For example, all the brightness values in the shooting area are acquired by the light sensor, and then the average brightness value of the shooting area is calculated, and the average brightness value is set to the ambient brightness value, and the user is triggering the pre-lighting value. When the operation is set, the mobile terminal starts to calculate the ambient brightness value. When entering the camera interface, the mobile terminal has calculated the ambient brightness value and stores the calculated ambient brightness value in the database.

In step S20, when entering the photographing interface, the target parameter corresponding to the current ambient brightness value is found in the preset parameter table, and the exposure parameter is set based on the target parameter;

In this embodiment, a preset parameter table is stored in the mobile terminal, and the parameter table includes respective exposure parameters corresponding to each brightness. When entering the camera interface, the mobile terminal queries the preset parameter table according to the ambient brightness value. The target parameter corresponding to the ambient brightness value refers to an exposure parameter corresponding to the current ambient brightness value, and the exposure parameter includes a shutter time, a sensitivity, and an aperture value. Specifically, the preset parameter table may include a parameter corresponding to the preset brightness range, and the obtained ambient brightness value is matched with each preset brightness range in the preset parameter table, and the ambient brightness is obtained in a preset range. The corresponding target parameter may be included in the preset parameter table, or the parameter corresponding to the preset brightness set by the technician may be included, and the target parameter corresponding to the preset brightness closest to the ambient brightness is obtained, according to the acquired target parameter. The setting of the exposure parameters is automatically completed.

Step S30, when receiving the photographing instruction, performing a photographing task based on the exposure parameter.

In this embodiment, the photographing instruction may be triggered by the user by clicking a photographing button, and then the camera performs photographing, and the exposure parameters include a shutter time, a sensitivity, and an aperture value, and the sensitivity refers to a sensor film's ability to sense light, generally In other words, the greater the sensitivity, the more noise the photo takes, but the value is also based on the current ambient brightness and shutter time. Therefore, the sensitivity of the corresponding ambient brightness is stored in the preset parameter table. Shutter time, which effectively reduces the noise. When the mobile phone captures, the shutter time is set very short. When the user clicks the camera button, the camera takes a photo in a short time after the camera command is triggered. The time can be 0.1 second. , 0.2 seconds, etc.

The photographing method of the mobile terminal provided by the embodiment obtains the current ambient brightness value when receiving the preset operation instruction, and then finds the target corresponding to the current ambient brightness value in the preset parameter table when entering the photographing interface. And setting an exposure parameter based on the target parameter, and finally performing a photographing task based on the exposure parameter when receiving the photographing instruction; obtaining an ambient brightness value before entering the photographing interface, and setting an exposure parameter according to the ambient brightness value, The automatic exposure is completed, which effectively shortens the time of taking pictures and reduces the noise of photographing, thereby improving the user experience.

Based on the first embodiment, a second embodiment of the method for photographing the mobile terminal of the present invention is provided. Referring to FIG. 3, in this embodiment, step S10 includes:

Step S11, obtaining a brightness value in the shooting area, wherein a plurality of brightness values exist in the shooting area;

In this embodiment, the mobile terminal is provided with a light sensor, and the shooting area refers to an image area collected by the camera, and the brightness in the shooting area is uneven, and the light sensor can acquire various brightness values in the shooting area.

Step S12, calculating an average brightness value in the shooting area, and setting the average brightness value as an ambient brightness value.

In this embodiment, the mobile terminal includes a calculation program, and can automatically calculate an average brightness value in the shooting area according to each brightness value, where the average brightness value is the closest to the ambient brightness value, and the average brightness value is set as the ambient brightness value. Specifically, an average value may be taken as an average brightness value among the obtained brightness values, and a brightness value in the average area may be calculated according to an area in a shooting area where each brightness value is located. The method of the luminance value is not specifically limited.

In other embodiments, the mobile terminal can acquire coordinates corresponding to the respective brightness values in the shooting area, and compare the respective brightness values with the preset brightness values to obtain a difference between each brightness value and the preset brightness. And according to the difference, the exposure compensation setting is performed on the area corresponding to each brightness, for example, the dark area increases the sensitivity or increases the shutter time.

The photographing method of the mobile terminal proposed in this embodiment obtains a brightness value in a shooting area, wherein a plurality of brightness values exist in the shooting area, and then calculates an average brightness value in the shooting area, and the average brightness is obtained. The value is set to the ambient brightness value; the accurate acquisition of the ambient brightness value is achieved, so that the exposure parameters can be set, the quality of the photograph is improved, and the noise of the photograph is reduced.

Based on the second embodiment, a third embodiment of the method for photographing the mobile terminal of the present invention is provided. Referring to FIG. 4, in the embodiment, step S20 includes:

Step S21: Acquire each preset brightness range corresponding to each parameter in the preset parameter table;

In this embodiment, the preset brightness range refers to a certain parameter set by the technician corresponding to a brightness range, that is, the brightness value in the brightness range corresponds to the parameter, for example, 80-85 is a preset brightness range. The brightness of any of 80 to 85 belongs to the preset brightness range. Of course, 80 and 85 also belong to the preset brightness range.

In step S22, the ambient brightness value is matched with each of the preset brightness ranges, and when the ambient brightness value is in the preset brightness range, the target parameter corresponding to the preset brightness range is acquired.

In this embodiment, the ambient brightness value is compared with each preset brightness range, and when the ambient brightness is in a certain preset brightness range, the target parameter corresponding to the preset range is acquired, and the target parameter includes a shutter time. The sensitivity and the aperture value. For example, in step S21, 82 belongs to a preset brightness range of 80-85, and the shutter time, the sensitivity, the aperture value, and the like corresponding to the preset brightness range are acquired.

The photographing method of the mobile terminal provided in this embodiment obtains each preset brightness range corresponding to each parameter in the preset parameter table, and then matches the ambient brightness value with each of the preset brightness ranges, when the environment When the brightness value is in the preset brightness range, the target parameter corresponding to the preset brightness range is obtained; and the correct parameter is found in the preset parameter table quickly and accurately, thereby speeding up the photographing speed.

Based on the first embodiment, a fourth embodiment of the method for photographing the mobile terminal of the present invention is provided. Referring to FIG. 5, in the embodiment, step S20 further includes:

Step S23, acquiring respective brightness values corresponding to each parameter in the preset parameter table, and calculating a difference between each brightness value and the ambient brightness value;

In this embodiment, the preset parameter table includes a brightness value and a brightness value corresponding to the parameter, the parameter includes a shutter time, a sensitivity, an aperture value, and the like, and the brightness value in the preset parameter table is set by a technician, and each The brightness values have corresponding parameters. When entering the camera interface, the mobile terminal acquires the brightness value in the parameter table. The difference between the respective brightness values is calculated to find the brightness value closest to the ambient brightness in the preset parameter table. When there are two differences, the average value of the brightness values corresponding to the two difference values can be taken.

Step S24: Obtain a parameter corresponding to the smallest difference among the differences, and set a parameter corresponding to the minimum difference as the target parameter.

In this embodiment, when the minimum difference is obtained, the brightness value corresponding to the minimum difference value is found in the preset parameter table, and then the parameter corresponding to the minimum difference value is found according to the brightness value, and the parameter corresponding to the minimum difference value is set to Target parameters.

The photographing method of the mobile terminal proposed in this embodiment obtains each brightness value corresponding to each parameter in the preset parameter table, calculates a difference between each brightness value and the ambient brightness value, and then obtains a minimum difference among the differences. Corresponding parameters, and setting the parameter corresponding to the minimum difference as the target parameter; realizing the fast and accurate finding of the appropriate brightness value to find the target parameter, thereby speeding up the photographing speed.

Based on the first embodiment, a fifth embodiment of the method for photographing the mobile terminal of the present invention is provided. Referring to FIG. 6, in this embodiment, after step S10, the method further includes:

Step 40: Determine, according to the current ambient brightness value, whether the current environment is a dark environment;

In this embodiment, the dark environment refers to the ambient brightness being lower than the preset brightness, and the preset brightness is set by a technician. When the calculated ambient brightness is lower than the preset brightness, determining that the current environment is a dark environment, for example, When taking a picture at night, the mobile terminal acquires the brightness of the shooting area, and determines that the current ambient brightness is lower than the preset ambient brightness by calculation and analysis, and determines that the current ambient brightness is a dark environment.

In step S50, when the current environment is a dark environment, the flash is turned on.

In this embodiment, when it is determined that the current environment is a dark environment, the instruction to turn on the flash is automatically triggered, and the mobile terminal automatically turns on the flash. Specifically, the flash has a pre-flash when performing work, and the pre-flash is to test the current flash. Whether the brightness of the lamp can reach the preset exposure amount, if the current flash does not reach the preset exposure amount, the brightness of the current flash can be adjusted.

Further, the user can turn off the pre-flash function according to actual needs. When the pre-flash function is turned off, the mobile terminal will read the default setting of the flash, and the flash does not change the intensity of the emitted light according to the change of the environment, and the mobile terminal directly The ambient brightness value is calculated according to the light intensity of the flash and the brightness value of the shooting area, and the exposure parameter is set according to the ambient brightness value.

The photographing method of the mobile terminal according to the embodiment determines whether the current environment is a dark environment based on the current ambient brightness value, and then turns on the flash when the current environment is a dark environment; and automatically turns on the flash in a dark environment. It can take clear photos in a dark environment, reducing the noise of the photos and improving the user experience.

Based on the fifth embodiment, a sixth embodiment of the method for photographing the mobile terminal of the present invention is provided. Referring to FIG. 7, in this embodiment, after step S40, the method further includes:

Step S60, obtaining light intensity when the flash is pre-flashed;

In this embodiment, when the flash pre-flashes, the light sensor of the light sensor will acquire the light intensity at the pre-flash, and the converter converts the light signal into an electrical signal, and determines whether the light intensity is a preset exposure according to the electrical signal. .

Step S70, adjusting the brightness of the flash based on the light intensity, and performing a photographing task when the light intensity reaches a preset exposure amount.

In this embodiment, when the light intensity does not reach the preset exposure brightness, the brightness of the flash is adjusted according to the light intensity, and the preset exposure brightness is automatically calculated according to the exposure parameter to determine the appropriate shutter time and sensitivity. The aperture value determines the light intensity of the flash main flash, and when the calculated exposure amount reaches the preset exposure amount, the photograph is taken. The brightness of the adjustment flash is to control the brightness of the flash by changing the circuit parameters according to the brightness of the flash pre-flash. The circuit parameters include current, voltage, etc., and when the light intensity is adjusted to the preset exposure amount, the photographing operation can be performed.

The photographing method of the mobile terminal provided by the embodiment obtains the light intensity when the flash is pre-flashed, and then adjusts the brightness of the flash based on the light intensity, and performs the photographing task when the light intensity reaches the preset exposure amount; The brightness of the flash is automatically adjusted so that the brightness of the flash can reach the preset exposure, so that the picture is more clear.

Based on the sixth embodiment, a seventh embodiment of the method for photographing the mobile terminal of the present invention is proposed. In this embodiment, step S70 includes:

Step S71, when the light intensity is greater than a preset threshold, the brightness of the flash is weakened;

Step S72, when the light intensity is less than a preset threshold, the brightness of the flash is enhanced.

In this embodiment, when the flash is pre-flashed, the light sensor obtains the light intensity of the returned light, converts the obtained light intensity into an electrical signal, and then determines whether the light intensity converted into the electrical signal is greater than a preset threshold. The preset threshold is a standard light intensity value set by a technician. When the returned light intensity is greater than a preset threshold, the light intensity of the flash is adjusted by adjusting circuit parameters, for example, automatically adjusting the current level. When the flash flash current is reduced, the light intensity of the flash is weakened.

The photographing method of the mobile terminal provided by the embodiment is to reduce the brightness of the flash when the light intensity is greater than a preset threshold, and then enhance the brightness of the flash when the light intensity is less than a preset threshold; The brightness improves the convenience of photographing, further reduces the noise of photographing, and improves the user experience.

The present invention further provides a computer readable storage medium. In this embodiment, a computer readable storage medium stores a photographing program of the mobile terminal, wherein:

Further, when the photographing program of the mobile terminal is executed by the processor, the following steps are further implemented:

When the current environment is a dark environment, the flash is turned on.

Get the light intensity when the flash is pre-flashed;

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, item, or system. An element defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in a process, method, article, or system that includes the element, without further limitation.

The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

Through the description of the above embodiments, those skilled in the art can clearly understand that the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better. Implementation. Based on such understanding, portions of the technical solution of the present invention that contribute substantially or to the prior art may be embodied in the form of a software product stored in a storage medium (such as a ROM/RAM as described above). , a disk, an optical disk, including a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

A photographing method for a mobile terminal, characterized in that the photographing method of the mobile terminal comprises the following steps:

Obtaining the current ambient brightness value when receiving the preset operation instruction;

When entering the photographing interface, the target parameter corresponding to the current ambient brightness value is found in the preset parameter table, and the exposure parameter is set based on the target parameter;

Upon receiving the photographing instruction, the photographing task is performed based on the exposure parameter.
The method for photographing a mobile terminal according to claim 1, wherein the step of acquiring a current ambient brightness value comprises:

Obtaining a brightness value in a shooting area, wherein a plurality of brightness values exist in the shooting area;

The average brightness value in the shooting area is calculated and set to the ambient brightness value.
The method for photographing a mobile terminal according to claim 1, wherein the step of finding the target parameter corresponding to the current ambient brightness value in the preset parameter table when entering the photographing interface comprises:

Obtaining each preset brightness range corresponding to each parameter in the preset parameter table;

The ambient brightness value is matched with each of the preset brightness ranges, and when the ambient brightness value is in the preset brightness range, the target parameter corresponding to the preset brightness range is acquired.
The method for photographing a mobile terminal according to claim 1, wherein the step of finding the target parameter corresponding to the current ambient brightness value in the preset parameter table when the camera interface is entered further comprises:

Obtaining respective brightness values corresponding to each parameter in the preset parameter table, and calculating a difference between each brightness value and the ambient brightness value;

Obtaining a parameter corresponding to the smallest difference among the differences, and setting a parameter corresponding to the minimum difference as the target parameter.
The photographing method of the mobile terminal according to claim 1, wherein the photographing method of the mobile terminal further comprises: after the step of acquiring the current ambient brightness value when the preset operation instruction is received, the photographing method of the mobile terminal further comprises:

Determining whether the current environment is a dark environment based on the current ambient brightness value;

When the current environment is a dark environment, the flash is turned on.
The method for photographing a mobile terminal according to claim 5, wherein the photographing method of the mobile terminal after the step of turning on the flash when the current environment is a dark environment further comprises:

Get the light intensity when the flash is pre-flashed;

The brightness of the flash is adjusted based on the light intensity, and when the light intensity reaches a preset exposure amount, a photographing task is performed.
The method for photographing a mobile terminal according to claim 6, wherein the step of adjusting the brightness of the flash based on the light intensity comprises:

Attenuating the brightness of the flash when the light intensity is greater than a preset threshold;

The brightness of the flash is enhanced when the light intensity is less than a predetermined threshold.
The photographing method of the mobile terminal according to any one of claims 1 to 7, wherein the brightness value is acquired by the light sensor, and the light sensor converts the acquired light signal into an electrical signal, thereby setting a current intensity corresponding to the exposure parameter.
A photographing apparatus for a mobile terminal, wherein the photographing apparatus of the mobile terminal comprises: a memory, a processor, and a photographing program of the mobile terminal stored on the memory and operable on the processor, The steps of the method of any one of claims 1 to 8 are implemented when the camera program of the mobile terminal is executed by the processor.
A computer readable storage medium, wherein the computer readable storage medium stores a photographing program of the mobile terminal, and the photographing program of the mobile terminal is executed by the processor to implement any one of claims 1 to 8 The method of photographing method of the mobile terminal described in the item.