CN107846515A - Shooting parameter adjustment method, device and terminal - Google Patents

Abstract

The application discloses a shooting parameter adjusting method, a shooting parameter adjusting device and a shooting parameter adjusting terminal, and relates to the field of man-machine interaction, wherein the method is applied to the terminal with a folding display screen, the folding display screen is provided with a first foldable screen area and a second foldable screen area, and the method comprises the following steps: controlling the first screen area to display a shooting preview interface, wherein the shooting preview interface is a picture obtained by shooting according to shooting parameters; monitoring a fold angle between the first screen region and the second screen region; and adjusting the shooting parameters according to the change of the folding angle. According to the method and the device, the adjustment of the shooting parameters is realized by changing the folding angle between the first screen area and the second screen area, and compared with the adjustment of a control displayed on a folding display screen by adopting a plurality of touch operations in the related art, the change of the folding angle can be completed only by less user operations, the normal display of a shooting preview picture is not influenced, and the efficiency of man-machine interaction is improved.

Description

Shooting parameter adjustment method, device and terminal

technical field

The embodiments of the present application relate to the field of human-computer interaction, and in particular to a shooting parameter adjustment method, device, and terminal.

Background technique

Mobile terminals such as smart phones and tablet computers are the most commonly used shooting devices for users.

Taking a user to take pictures with a smart phone as an example, the user starts a shooting application on the smart phone. On the shooting preview interface of the shooting application program, several controls are displayed, such as flash control, focus control, white balance control, and color saturation control. The user touches these controls through a touch operation, and then adjusts the shooting parameters of this shooting.

The above method needs to display corresponding controls on the shooting preview interface, and then the user adjusts the shooting parameters corresponding to the controls through touch operations. The entire human-computer interaction process requires many user operations, and the efficiency of human-computer interaction is low.

Contents of the invention

Embodiments of the present application provide a shooting parameter adjustment method, device, and terminal, which can solve the problem of low human-computer interaction efficiency in adjusting shooting parameters in related technologies.

According to the first aspect of the present application, a shooting parameter adjustment method is provided, which is applied to a terminal with a foldable display screen, and the foldable display screen has a foldable first screen area and a second screen area, the method comprising :

controlling the first screen area to display a shooting preview interface, where the shooting preview interface is a picture obtained by shooting according to shooting parameters;

monitoring a fold angle between the first screen area and the second screen area;

The shooting parameters are adjusted according to the change of the folding angle.

According to a second aspect of the present application, a shooting parameter adjustment device is provided, the device has a foldable display screen, and the foldable display screen has a foldable first screen area and a second screen area, and the device includes:

The display module is configured to control the first screen area to display a shooting preview interface, and the shooting preview interface is an image captured according to shooting parameters;

a monitoring module configured to monitor a folding angle between the first screen area and the second screen area;

The adjustment module is configured to adjust the shooting parameters according to the change of the folding angle.

According to the third aspect of the present application, a mobile terminal is provided, the mobile terminal includes a processor and a memory, at least one instruction is stored in the memory, and the instruction is loaded and executed by the processor to implement the above-mentioned In one aspect, the shooting parameter adjustment method.

According to a fourth aspect of the present application, a computer-readable storage medium is provided, wherein at least one instruction is stored in the storage medium, and the instruction is loaded and executed by a processor to realize the shooting parameter adjustment as described in the first aspect above method.

The beneficial effects brought by the technical solutions provided by the embodiments of the present application at least include:

Since the folding display screen has a foldable first screen area and a second screen area, during the shooting process, the user can adjust the shooting parameters by changing the folding angle between the first screen area and the second screen area. Compared with adjusting the controls displayed on the folding display screen by using multiple touch operations in the related art, changing the folding angle requires fewer user operations and does not affect the normal display of the shot preview screen in the first screen area. Improve the efficiency of human-computer interaction.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

FIG. 1 is a structural block diagram of a terminal provided in an exemplary embodiment of the present application;

FIG. 2 is a structural block diagram of a terminal provided in another exemplary embodiment of the present application;

Fig. 3 is a schematic diagram of a mobile phone provided by an exemplary embodiment of the present application;

Fig. 4 is a schematic diagram of a mobile phone provided by another exemplary embodiment of the present application;

Fig. 5 is a schematic diagram of a mobile phone provided by another exemplary embodiment of the present application;

Fig. 6 is a schematic diagram of a mobile phone provided by another exemplary embodiment of the present application;

Fig. 7 is a flowchart of a shooting parameter adjustment method provided by an exemplary embodiment of the present application;

Fig. 8 is a flowchart of a shooting parameter adjustment method provided by another exemplary embodiment of the present application;

Fig. 9 is a schematic structural diagram of a first body coordinate system provided by an exemplary embodiment of the present application;

FIG. 10 is a schematic structural diagram of a second body coordinate system provided by an exemplary embodiment of the present application;

Fig. 11 is a schematic diagram of the folding angle of a mobile phone with an inner folding screen provided by an exemplary embodiment of the present application;

Fig. 12 is a schematic diagram of the folding angle of a mobile phone with an outer folding screen provided by an exemplary embodiment of the present application;

Fig. 13 is a structural block diagram of a shooting parameter adjustment device provided by another exemplary embodiment of the present application;

Fig. 14 is a structural block diagram of a terminal provided by another exemplary embodiment of the present application.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

The "module" mentioned in this article usually refers to the program or instruction that can realize certain functions stored in the memory; the "unit" mentioned in this article usually refers to a functional structure divided according to logic, and the "unit" It can be implemented by pure hardware, or a combination of software and hardware.

The "plurality" mentioned herein means two or more. "And/or" describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently. The character "/" generally indicates that the contextual objects are an "or" relationship.

Referring to FIG. 1 and FIG. 2 , it shows a structural block diagram of a terminal 100 provided by an exemplary embodiment of the present application. The terminal 100 can be a smart phone, a tablet computer, an e-book, and so on. The terminal 100 in this application may include one or more of the following components: a processor 110 , a memory 120 and a touch display 130 .

Processor 110 may include one or more processing cores. The processor 110 uses various interfaces and lines to connect various parts of the entire terminal 100, and executes the terminal by running or executing instructions, programs, code sets or instruction sets stored in the memory 120, and calling data stored in the memory 120. 100's of various functions and processing data. Optionally, the processor 110 may use at least one of Digital Signal Processing (Digital Signal Processing, DSP), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and Programmable Logic Array (Programmable LogicArray, PLA). implemented in the form of hardware. The processor 110 may integrate one or a combination of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), a modem, and the like. Among them, the CPU mainly processes the operating system, user interface and application programs, etc.; the GPU is responsible for rendering and drawing the content that needs to be displayed on the touch screen 130 ; the modem is used for processing wireless communication. It can be understood that, the above-mentioned modem may not be integrated into the processor 110, but implemented by a single chip.

The memory 120 may include a random access memory (Random Access Memory, RAM), and may also include a read-only memory (Read-Only Memory). Optionally, the memory 120 includes a non-transitory computer-readable storage medium. The memory 120 may be used to store instructions, programs, codes, sets of codes, or sets of instructions. The memory 120 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, an image playback function, etc.), Instructions and the like for implementing the following method embodiments; the storage data area can store data created according to the use of the terminal 100 (such as audio data, phonebook) and the like.

Taking the operating system as an Android system as an example, the programs and data stored in the memory 120 are as shown in Figure 1, and the memory 120 is stored with a Linux kernel layer 220, a system runtime layer 240, an application framework layer 260 and an application layer 280 . The Linux kernel layer 220 provides underlying drivers for various hardware of the terminal 100, such as display drivers, audio drivers, camera drivers, Bluetooth drivers, Wi-Fi drivers, power management, and so on. The system runtime layer 240 provides main feature support for the Android system through some C/C++ libraries. For example, the SQLite library provides database support, the OpenGL/ES library provides 3D drawing support, and the Webkit library provides browser kernel support. An Android Runtime library (Android Runtime) is also provided in the system runtime library layer 240, which mainly provides some core libraries and can allow developers to use the Java language to write Android applications. The application framework layer 260 provides various APIs that may be used when building applications. Developers can also use these APIs to build their own applications, such as activity management, window management, view management, notification management, content providers, Package management, call management, resource management, location management. There is at least one application program running in the application layer 280, and these application programs can be contact programs, SMS programs, clock programs, camera applications, etc. Communication programs, photo beautification programs, etc.

Taking the operating system as the IOS system as an example, the programs and data stored in the memory 120 are as shown in Figure 2, and the IOS system includes: a core operating system layer 320 (Core OS layer), a core service layer 340 (Core Services layer), a media layer 360 (Media layer), touchable layer 380 (Cocoa Touch Layer). The core operating system layer 320 includes an operating system kernel, drivers, and underlying program frameworks. These underlying program frameworks provide functions closer to hardware for use by the program frameworks located in the core service layer 340 . The core service layer 340 provides system services and/or program frameworks required by applications, such as foundation framework, account framework, advertisement framework, data storage framework, network connection framework, geographic location framework, exercise framework and so on. The media layer 360 provides audio-visual interfaces for applications, such as interfaces related to graphics and images, interfaces related to audio technology, interfaces related to video technology, and wireless playback (AirPlay) interfaces of audio and video transmission technologies. The touchable layer 380 provides various commonly used interface-related frameworks for application development, and the touchable layer 380 is responsible for the user's touch interaction operation on the terminal 100 . Such as local notification service, remote push service, advertisement framework, game tool framework, message user interface interface (User Interface, UI) framework, user interface UIKit framework, map framework and so on.

In the framework shown in FIG. 2 , frameworks related to most applications include but not limited to: the basic framework in the core service layer 340 and the UIKit framework in the touchable layer 380 . The basic framework provides many basic object classes and data types, and provides the most basic system services for all applications, regardless of UI. The class provided by the UIKit framework is a basic UI class library for creating a touch-based user interface. iOS applications can provide UI based on the UIKit framework, so it provides the infrastructure of the application for building user interfaces, drawing , Handle and user interaction events, respond to gestures, and more.

The touch display screen 130 is used to receive a user's touch operation on or near it using any suitable object such as a finger or a touch pen, and to display user interfaces of various application programs. The touch display screen 130 is generally arranged on the front panel of the terminal 100 .

As shown in FIG. 3 , the terminal 100 includes a first housing 41 , a second housing 42 and a connection assembly 43 connected between the first housing 41 and the second housing 42 , the first housing 41 and the second housing The body 42 is flipped and folded through the connection assembly 43 .

The first housing 41 includes a first support surface connected to the back of the touch screen, and a first back opposite to the first support surface, and the second housing 42 includes a second support surface connected to the back of the touch screen, and a second support surface connected to the back of the touch screen. The second back surface opposite to the second supporting surface. Correspondingly, the touch display screen includes a first screen area 131, a second screen area 132 and a third display area 133, wherein the first screen area 131 corresponds to the position of the first housing 41, and the second screen area 132 corresponds to the second The position of the housing 42 corresponds, and the third display area 133 corresponds to the position of the connecting component 43 . In one implementation, the first screen area 131, the second screen area 132, and the third display area 133 are all made of flexible materials, which have certain stretchability; in another implementation, only the third display The area 133 is made of flexible material, and the first screen area 131 and the second screen area 132 are made of non-flexible material.

In an optional implementation manner, the connection component 43 of the terminal 100 adopts a manual structure. When the user manually separates the first casing 41 and the second casing 42, the terminal 100 changes from the folded state to the unfolded state; when the user manually closes the first casing 41 and the second casing 42, the terminal 100 changes from the unfolded state to the folded state. state.

In another optional implementation manner, the connection assembly 43 of the terminal 100 adopts an electric structure, for example, the connection assembly 43 is provided with an electric rotating component such as an electric motor. Driven by the electric rotating part, the first housing 41 and the second housing 42 are automatically closed or separated, so that the terminal 100 has two states of unfolding and folding.

According to whether the touch display screen is exposed in the folded state, the terminal 100 can be divided into an outer folding screen terminal and an inner folding screen terminal. in:

External folding screen terminal

An external folding screen terminal refers to a terminal that can be folded at an angle of 180°, and in the folded state, the entire touch screen is exposed. As shown in FIG. 3 , the terminal 100 is an external folding screen terminal. In the unfolded state, the first supporting surface of the first housing 41 of the terminal 100 is flush with the second supporting surface of the second housing 42 (that is, the included angle is 180°), and the first screen area 131, The second screen area 132 and the third display area 133 are located on the same plane; when the terminal 100 changes from the unfolded state to the folded state, as shown in FIG. The two backs are close together, and the angle between the first support surface and the second support surface changes from 180° to 0°; in the folded state, as shown in FIG. 4 , the first support surface and the second support surface of the first housing 41 of the terminal 100 The second supporting surfaces of the two housings 42 are parallel (the angle between the first housing 41 and the second housing 42 is 0°), so that the touch screen is in a U-shaped folded state, wherein the third display area of the touch screen 133 forms an exposed U-shaped arc surface.

In an optional implementation manner, in the folded state, all or part of the display area of the touch display screen is used to display a user interface. For example, as shown in FIG. 4 , in the folded state, only the second screen area 132 is used to display the user interface, or only the third display area 133 is used to display the user interface.

Inner folding screen terminal

An inner folding screen terminal refers to a terminal that can be folded at an angle of 180°, and in the folded state, the touch screen (all or part) is restrained. As shown in FIG. 5 , the terminal 100 is an inner folding screen terminal. In the unfolded state, the first supporting surface of the first housing 41 of the terminal 100 is flush with the second supporting surface of the second housing 42 (that is, the included angle is 180°), so that the touch screen is in a planar unfolded state (first The screen area 131, the second screen area 132 and the third display area 133 are located on the same plane); during the process of changing the terminal 100 from the unfolded state to the folded state, as shown in FIG. The second supporting surfaces of the two casings 42 are close together, that is, the angle between the first supporting surface and the second supporting surface changes from 180° to 0°; The second supporting surfaces of the second housing 42 are parallel, so that the touch screen is in a U-shaped folded state, wherein the third display area 133 of the touch screen forms a restrained U-shaped arc. In an optional implementation manner, in the folded state, no user interface is displayed on the entire display area of the touch display screen.

In addition to setting a touch display screen on the supporting surface of the housing, a touch display screen may also be provided on the first back of the first housing 41 and/or the second back of the second housing 42 . When the inner folding screen terminal is in the folded state, the touch screen disposed on the back of the casing is used to display a user interface, which is the same as or different from the user interface displayed on the touch screen in the unfolded state.

In other possible implementations, the foldable angle of the terminal 100 can also be 360° (it can be folded inward or outward), and in the folded state, the touch screen is exposed or restrained. Not limited.

In the terminal 100 shown in FIGS. 3 to 5 , the first housing 41 and the second housing 42 have the same or similar dimensions, and the folding method of the terminal 100 is called symmetrical folding. In other possible implementation manners, the folding manner of the terminal 100 may also be asymmetric folding. When using asymmetric folding, the size of the first housing 41 and the second housing 42 can be different or the size difference is greater than a threshold (such as 50% or 60% or 70%), correspondingly, the first screen area 131 in the touch screen The difference between the area of and the area of the second screen area 132 is greater than the threshold.

Schematically, as shown in FIG. 6 , the terminal 100 is an asymmetrically folded outer folding screen terminal, and the size of the first casing 41 is larger than that of the second casing 42 . In the folded state, the area of the first screen area 131 is larger than the area of the second screen area 132 .

In Fig. 3 to Fig. 6, only the terminal 100 includes two shells and a connection assembly for connecting the shells as an example for schematic illustration (the terminal is a two-fold structure), in other possible implementations, the terminal 100 may include n parts of the housing and n-1 connecting components. Correspondingly, the touch display screen of the terminal 100 includes 2n-1 display areas, and the n-1 display areas corresponding to the connecting components are made of flexible materials. In this way, a terminal with an n-fold structure is realized, which is not limited in this embodiment.

At least one other component is also provided in the terminal 100, and the at least one other component includes: a camera, a fingerprint sensor, a proximity light sensor, a distance sensor, and the like. In some embodiments, at least one other component is disposed on the front, side or back of the terminal 100 , such as disposing the fingerprint sensor on the back or side of the housing, and disposing the camera above the touch display 130 .

In other embodiments, at least one other component may be integrated inside or under the touch display screen 130 . In some embodiments, a bone conduction earpiece is placed inside the terminal 100; other components on the front panel of a traditional terminal are integrated into all or part of the area of the touch display 130, for example, the photosensitive element in the camera After splitting into a plurality of photosensitive pixels, each photosensitive pixel is integrated in the black area of each display pixel in the touch display screen 130, so that the touch display screen 130 has an image acquisition function. Since at least one other component is integrated inside or under the touch display screen 130, the terminal 100 has a higher screen-to-body ratio.

In some optional embodiments, a single side of the middle frame of the terminal 100, or two sides (such as the left and right sides), or four sides (such as the upper, lower, left, and right sides) An edge touch sensor is arranged on two sides), and the edge touch sensor is used to detect at least one of the user's touch operation, click operation, press operation and slide operation on the middle frame. The edge touch sensor may be any one of a touch sensor, a thermal sensor, a pressure sensor, and the like. The user can perform operations on the edge touch sensor to control the application programs in the terminal 100 .

In addition, those skilled in the art can understand that the structure of the terminal 100 shown in the above drawings does not constitute a limitation on the terminal 100, and the terminal may include more or less components than those shown in the figure, or combine some components, or different component arrangements. For example, the terminal 100 also includes components such as a radio frequency circuit, an input unit, a sensor, an audio circuit, a wireless fidelity (Wireless Fidelity, WiFi) module, a power supply, and a Bluetooth module, which will not be repeated here.

Fig. 7 shows a flowchart of a shooting parameter adjustment method provided by an exemplary embodiment of the present application. In this embodiment, the shooting parameter adjustment method is applied to the terminal described in any one of Fig. 1 to Fig. 6, and the folding display screen has a foldable first screen area and a second screen area, and the method includes:

Step 701, controlling the first screen area to display a shooting preview interface, where the shooting preview interface is an image captured according to shooting parameters;

After the terminal starts the shooting application program, the terminal controls the first screen area to display the shooting preview interface. Optionally, a camera is provided on the back of the first casing corresponding to the first screen area. The terminal shoots through the camera, and displays the captured picture on the shooting preview interface.

Optionally, photographing includes photographing and/or filming.

Step 702, monitoring the folding angle between the first screen area and the second screen area;

During the shooting process, the terminal monitors the folding angle between the first screen area and the second screen area in real time (or every predetermined time interval).

Optionally, the folding angle of the first screen area and the second screen area in an initial state may be 180 degrees, that is, both are parallel.

Optionally, when the user needs to adjust shooting parameters, the user manually moves the second housing corresponding to the second screen area, thereby changing the folding angle between the second screen area and the first screen area. The terminal monitors the folding angle in real time.

Step 703, adjusting shooting parameters according to the change of the folding angle.

Optionally, there is a positive correlation between the folding angle and the value of the shooting parameter.

When the folding angle between the first screen area and the second screen area becomes larger, increase the value of the shooting parameter; when the folding angle between the first screen area and the second screen area becomes smaller, lower the value of the shooting parameter value.

The shooting parameter can be any one of focal length, aperture, shutter speed, exposure, white balance, color saturation, flash brightness, and flash color temperature.

To sum up, in the shooting parameter adjustment method provided by this embodiment, since the foldable display screen has a foldable first screen area and a second screen area, the user can change the first screen area and the second screen area during the shooting process. The adjustment of the shooting parameters is realized by the folding angle between the regions. Compared with the adjustment of the controls displayed on the folding display screen using multiple touch operations in the related art, changing the folding angle can be completed with fewer user operations. And it does not affect the normal display of the shooting preview image in the first screen area, which improves the efficiency of human-computer interaction.

In the above step 702, according to the different hardware components set in the terminal, there are at least three adjustment methods for the terminal to monitor the folding angle between the first screen area and the second screen area:

Firstly, an angle sensor is provided on the terminal, and the angle sensor is arranged in the connecting component part used to connect two screen areas, and the angle sensor is used to measure the angle between the two screen areas.

Optionally, the angle sensor reports the folding angle to the processor every predetermined time interval. The processor in the terminal receives the folding angle reported by the angle sensor.

Second, the terminal is provided with an electric rotating part, and the electric rotating part is arranged in the connecting assembly part for connecting two screen areas, and the angle sensor is used for measuring the angle between the two screen areas.

Optionally, the electric rotating part reports the folding angle to the processor every predetermined time interval. The processor in the terminal receives the folding angle reported by the electric rotating part.

Thirdly, the first housing and the second housing of the terminal are respectively provided with acceleration sensors, and the folding angle between the first screen area and the second screen area is determined through the gravitational acceleration signals respectively collected by the two acceleration sensors.

The above three implementation methods can be implemented individually, or in combination of two or three, or in combination of three or three. The third implementation manner is described below using an embodiment.

Fig. 8 is a flow chart of a shooting parameter adjustment method shown in another exemplary embodiment of the present application. In this embodiment, the shooting parameter adjustment method is applied to the terminal described in any one of Fig. 1 to Fig. 6, and the folding display screen has a foldable first screen area and a second screen area, and the method includes:

Step 801, controlling the first screen area to display a shooting preview interface, where the shooting preview interface is an image captured according to shooting parameters;

After the terminal starts the shooting application program, the terminal controls the first screen area to display the shooting preview interface. Optionally, a camera is provided on the back of the first casing corresponding to the first screen area. The terminal shoots through the camera, and displays the captured picture on the shooting preview interface.

The pictures captured by the camera are captured according to the current shooting parameters. The current shooting parameters are preset, or are automatically generated by the terminal according to the current ambient light parameters and a dynamic adjustment algorithm.

Optionally, photographing includes photographing and/or filming. In this embodiment, a photographing scene is used as an example for illustration.

Step 802, receiving a first gravitational acceleration signal reported by the first acceleration sensor;

The first acceleration sensor is an acceleration sensor provided in the first housing. Optionally, the first acceleration sensor corresponds to a first three-dimensional coordinate system, and the first three-dimensional coordinate system has three coordinate axes: a first X axis, a first Y axis, and a first Z axis, as shown in FIG. 9 . Schematically, when the fuselage of the terminal is in a vertical posture, the position of the first acceleration sensor is taken as the origin, the horizontal rightward direction is the positive half axis of the first X-axis, and the vertical upward direction is the positive half-axis of the first Y-axis. As for the half axis, the direction perpendicular to the XY plane and facing forward is the positive half axis of the first Z-axis.

Step 803, determine the first plane where the first body is located according to the first gravitational acceleration signal;

When the first acceleration sensor collects the first gravitational acceleration signal, the first gravitational acceleration signal corresponds to the first x-axis component, the first y-axis component, and the first z-axis component on the three coordinate axes respectively. According to the components on the three coordinate axes, three angles between the three coordinate axes and the first gravitational acceleration signal can be calculated, so as to determine the first plane based on the first gravitational acceleration signal, and the first plane can be adopted The vector where the first Z axis is relative to the first gravitational acceleration signal is expressed as a plane normal vector of the first plane.

Step 804, receiving a second gravitational acceleration signal reported by the second acceleration sensor;

The second acceleration sensor is an acceleration sensor provided in the second housing. Optionally, the second acceleration sensor corresponds to a second three-dimensional space coordinate system, and the second three-dimensional space coordinate system has three coordinate axes: a second X axis, a second Y axis and a second Z axis, as shown in FIG. 10 . Schematically, when the fuselage of the terminal is in a vertical posture, the position of the second acceleration sensor is taken as the origin, the horizontal direction to the right is the positive semi-axis of the second X-axis, and the vertical upward direction is the positive semi-axis of the second Y-axis. Half axis, perpendicular to the XY plane and facing forward, the second is the positive half axis of the Z axis.

Step 805, determine the second plane where the second body is located according to the second gravitational acceleration signal;

When the second acceleration sensor collects the second acceleration of gravity signal, the second acceleration of gravity signal corresponds to a second x-axis component, a second y-axis component, and a second z-axis component on the three coordinate axes respectively. According to the components on the three coordinate axes, the three included angles between the three coordinate axes and the second acceleration of gravity signal can be calculated, so as to determine the second plane based on the second acceleration of gravity signal, and the second plane can be used The vector where the second Z axis is relative to the second gravitational acceleration signal is expressed as a plane normal vector of the second plane.

In a schematic example, as shown in FIG. 11 , the first casing 41 remains stationary, and according to the components of the first gravitational acceleration signal G1 on the three coordinate axes of the first body coordinate system, the terminal can calculate the first One X axis is perpendicular to G1, the opposite direction of the first Y axis is parallel to G1, the first Z axis is perpendicular to G1 (the angle is 90 degrees), and the vector Z1 along the positive direction of the first Z axis is used as the plane method of the first plane Vector; the user manually rotates the second housing 42, and according to the components of the second gravitational acceleration signal G2 on the three coordinate axes of the second body coordinate system, the terminal can calculate that the second X axis is perpendicular to G2, and the second Y axis The angle between the reverse direction and G2 is 30 degrees, the angle between the second Z axis and G2 is 120 degrees, and the vector Z2 along the positive direction of the second Z axis is used as the plane normal vector of the second plane.

Step 806, calculating the included angle between the first plane and the second plane, and determining it as the folding angle between the first screen area and the second screen area;

Optionally, since the acceleration of gravity signals are vertically downward, the first acceleration of gravity signal and the second acceleration of gravity signal are parallel, and the terminal calculates the difference between the plane normal vector of the first plane and the plane normal vector of the second plane The angle between the first screen area and the second screen area is calculated according to the angle between two plane normal vectors.

When the terminal is an internal folding screen terminal and the two plane normal vectors point to the side of the screen facing the user, when the terminal is opened from the folded state to the 180° unfolded state, the angle between the plane normal vectors changes from 180° to 0° , at this time, the folding angle between the first screen area and the second screen area=180°-the angle between two plane normal vectors. As shown in Figure 11, the plane normal vector Z1 points to the side of the first screen area facing the user, the plane normal vector Z2 points to the side of the second screen area facing the user, and the folding angle between the first screen area and the second screen area α=180°-the angle between two plane normal vectors 60°=120°.

When the terminal is an external folding screen terminal and the two plane normal vectors point to the side of the screen facing the user, when the terminal is opened from the folded state to the 180° unfolded state, the angle between the plane normal vectors changes from 180° to 0° , at this time, the folding angle α between the first screen area and the second screen area=180°+the angle between two plane normal vectors. As shown in FIG. 12 , assuming that the included angle between the plane normal vector G1 and the plane normal vector G2 is 30°, the folding angle α=210°.

Step 807, query the target parameter value corresponding to the folding angle in the first correspondence, the first correspondence includes the correspondence between the folding angle and the target parameter value;

The terminal stores the first corresponding relationship, and the first corresponding relationship may be in the form of a table or in the form of a function.

Exemplarily, Table 1 shows the first corresponding relationship in tabular form.

folding angle Shooting parameters (taking focal length as an example) 90° Focal length value 1 (minimum focal length) 91° 92° … … 180° Focal length value 90 … … 269° Focal length value 179 270° Focal length value 180 (maximum focal length)

Exemplarily, the first corresponding relationship is a functional formula: y=f(x), y is the target parameter value of the shooting parameter, and x is the folding angle.

The terminal takes the obtained folding angle as an input quantity, and inquires out the corresponding target parameter value in the first corresponding relationship.

Step 808, adjusting the value of the shooting parameter from the current parameter value to the target parameter value;

The terminal adjusts the value of the shooting parameter from the current parameter value to the target parameter value. Since the user may continuously rotate the second screen area, the terminal follows the change of the folding angle and dynamically adjusts the values of the shooting parameters.

Taking the shooting parameter as the focal length as an example, when the user folds the folding display on the mobile phone inward, the focal length of the mobile phone can be reduced, which is suitable for taking macro photos; when the user folds the folding display on the mobile phone outward, the focal length of the mobile phone It can be zoomed in and is suitable for taking distant photos.

Optionally, the terminal further controls the display of the adjusted target parameter value on the first screen area, so that the user knows the actual value of the current shooting parameter.

Step 809, timing the duration for which the folding angle remains unchanged;

When the user adjusts the shooting parameter to a reasonable value, the user does not continue to rotate the second screen area. At this time, the folding angle between the first screen area and the second screen area remains unchanged.

When the folding angle no longer changes, the terminal uses a timer to start counting the duration for which the folding angle remains constant.

Step 810, when the duration reaches the preset threshold, take pictures according to the shooting parameters.

When the duration for which the folding angle remains the same reaches the preset threshold, the terminal takes pictures according to the current shooting parameters; when the terminal keeps the folding angle for the duration that does not reach the preset threshold, it indicates that the user continues to rotate the second screen area , the terminal reacquires the folding angle and adjusts the value of the shooting parameters.

In an illustrative example, after starting the camera application on the mobile phone, the user holds the first casing with the left hand and keeps it still, and turns the second casing with the right hand to change the distance between the first screen area and the second screen area. The folding angle between. The mobile phone monitors the change of the folding angle, and when the second housing is folded inward (towards the user), the focal length is reduced; when the second housing is folded outward (towards the user), the focal length is increased. When the user adjusts the focal length to a reasonable value, keep the second casing still, and the terminal starts timing the duration, and when the timing reaches 1 second, it automatically shoots according to the current shooting parameters.

To sum up, in the shooting parameter adjustment method provided by this embodiment, since the foldable display screen has a foldable first screen area and a second screen area, the user can change the first screen area and the second screen area during the shooting process. The adjustment of the shooting parameters is realized by the folding angle between the regions. Compared with the adjustment of the controls displayed on the folding display screen using multiple touch operations in the related art, changing the folding angle can be completed with fewer user operations. And it does not affect the normal display of the shooting preview image in the first screen area, which improves the efficiency of human-computer interaction.

Furthermore, in the shooting parameter adjustment method provided in this embodiment, the folding angle between the first screen area and the second screen area is determined by using two gravitational acceleration signals collected by two acceleration sensors, which does not require a connecting component of the terminal An angle sensor or an electric rotating component is arranged on the top, which reduces the requirements on the production process and improves the applicability of the method to different folding screen terminals.

Furthermore, the shooting parameter adjustment method provided in this embodiment also automatically shoots according to the shooting parameters when the duration of the folding angle remaining constant reaches a predetermined threshold; since the user does not need to press the physical button or touch the display at this time screen, so the shaking of the terminal and the user's operation are reduced, and the shooting quality of the photo is improved.

The following are device embodiments of the present application, which correspond one-to-one to the above-mentioned method embodiments. For parts not described in detail in the device embodiments, reference may be made to the foregoing method embodiments.

Fig. 13 is a structural block diagram of a shooting parameter adjustment device according to an exemplary embodiment of the present application, the device has a foldable display screen, and the foldable display screen has a foldable first screen area and a second screen area, the device include:

The display module 1320 is configured to control the first screen area to display a shooting preview interface, where the shooting preview interface is an image captured according to shooting parameters;

a monitoring module 1340, configured to monitor the folding angle between the first screen area and the second screen area;

The adjustment module 1360 is configured to adjust the shooting parameters according to the change of the folding angle.

In an optional embodiment, the folding parts corresponding to the first screen area and the second screen area are provided with angle sensors or electric rotating components;

The monitoring module 1340 is configured to receive the folding angle reported by the angle sensor or the electric rotating component.

In an optional embodiment, a first acceleration sensor is disposed in the first body corresponding to the first screen area, and a second acceleration sensor is disposed in the second body corresponding to the second screen area;

The monitoring module 1340 is configured to receive the first gravitational acceleration signal reported by the first acceleration sensor, determine the first plane where the first body is located according to the first gravitational acceleration signal; receive the second acceleration According to the second gravitational acceleration signal reported by the sensor, determine the second plane where the second body is located according to the second gravitational acceleration signal; calculate the angle between the first plane and the second plane, and determine it as the the folding angle.

In an optional embodiment, a first acceleration sensor is disposed in the first body corresponding to the first screen area, and a second acceleration sensor is disposed in the second body corresponding to the second screen area;

The monitoring module 1340 is configured to receive the first gravitational acceleration signal reported by the first acceleration sensor, determine the first plane where the first body is located according to the first gravitational acceleration signal; receive the second acceleration According to the second gravitational acceleration signal reported by the sensor, determine the second plane where the second body is located according to the second gravitational acceleration signal; calculate the angle between the first plane and the second plane, and determine it as the the folding angle.

In an optional embodiment, the adjustment module 1360 is configured to query a target parameter value corresponding to the folding angle in a first correspondence, the first correspondence including the folding angle and the Correspondence between target parameter values; adjusting the value of the shooting parameter from the current parameter value to the target parameter value.

In an optional embodiment, the shooting parameters include: any one of focal length, aperture, shutter speed, exposure, white balance, color saturation, flashlight brightness, and flashlight color temperature.

In an optional embodiment, the device also includes:

a timing module configured to time the duration of the folding angle remaining constant;

The photographing module is configured to take photographs according to the photographing parameters when the duration reaches a preset threshold.

To sum up, the shooting parameter adjustment device provided by this embodiment, since the foldable display screen has a foldable first screen area and a second screen area, the user can change the first screen area and the second screen area during the shooting process. The adjustment of the shooting parameters is realized by the folding angle between the regions. Compared with the adjustment of the controls displayed on the folding display screen using multiple touch operations in the related art, changing the folding angle can be completed with fewer user operations. And it does not affect the normal display of the shooting preview image in the first screen area, which improves the efficiency of human-computer interaction.

Further, the shooting parameter adjustment device provided in this embodiment can determine the folding angle between the first screen area and the second screen area through two gravitational acceleration signals collected by two acceleration sensors, without connecting components of the terminal An angle sensor or an electric rotating component is arranged on the top, which reduces the requirements on the production process and improves the applicability of the method to different folding screen terminals.

Furthermore, the shooting parameter adjustment device provided in this embodiment automatically shoots according to the shooting parameters when the duration for which the folding angle remains unchanged reaches a predetermined threshold; since the user does not need to press the physical button or touch the display at this time screen, so the shaking of the terminal and the user's operation are reduced, and the shooting quality of the photo is improved.

Fig. 14 is a structural block diagram of a mobile terminal provided by an exemplary embodiment of the present application. As shown in Fig. 14, the mobile terminal includes a processor 1401, a memory 1402, and a folding display 1403, and at least one instruction is stored in the memory 1402 , the instructions are loaded and executed by the processor 1401 to implement the method for adjusting shooting parameters as described in the above embodiments.

The embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores at least one instruction, and the at least one instruction is loaded and executed by the processor 1401 to implement the above-mentioned various embodiments. Shooting parameter adjustment method.

The embodiment of the present application also provides a computer program product, the computer program product stores at least one instruction, and the at least one instruction is loaded and executed by the processor 1401 to implement the shooting parameter adjustment method described in the above embodiments .

It should be noted that when the shooting parameter adjustment device provided in the above-mentioned embodiment adjusts the shooting parameters, it only uses the division of the above-mentioned functional modules as an example. In practical applications, the above-mentioned function allocation can be completed by different functional modules according to needs. , which divides the internal structure of the device into different functional modules to complete all or part of the functions described above. In addition, the shooting parameter adjustment method and the device embodiment provided in the above embodiment belong to the same concept, and the specific implementation process thereof is detailed in the method embodiment, and will not be repeated here.

The serial numbers of the above embodiments of the present application are for description only, and do not represent the advantages and disadvantages of the embodiments.

Those of ordinary skill in the art can understand that all or part of the steps for implementing the above embodiments can be completed by hardware, and can also be completed by instructing related hardware through a program. The program can be stored in a computer-readable storage medium. The above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

The above descriptions are only preferred embodiments of the application, and are not intended to limit the application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the application shall be included in the protection of the application. within range.

Claims (12)

1. a kind of shooting parameter adjustment method, it is characterised in that applied in the terminal with folding display screen, described fold shows There is display screen folding first screen area and the second screen area, methods described to include：

First screen area is controlled to show shooting preview interface, the shooting preview interface is shot according to acquisition parameters The picture arrived；

Monitor the folding angles between first screen area and second screen area；

The acquisition parameters are adjusted according to the change of the folding angles.

2. according to the method for claim 1, it is characterised in that first screen area and second screen area pair The folding part answered is provided with angular transducer；

The folding angles monitored between first screen area and second screen area, including：

Receive the folding angles that the angular transducer reports.

3. according to the method for claim 1, it is characterised in that first screen area and second screen area pair The folding part answered is provided with electronic rotation part；

The folding angles monitored between first screen area and second screen area, including：

Receive the folding angles that the electronic rotation part reports.

4. according to the method for claim 1, it is characterised in that set in the first housing corresponding to first screen area There is the first acceleration transducer, the second acceleration transducer is provided with the second housing corresponding to second screen area；

The folding angles monitored between first screen area and second screen area, including：

The first acceleration of gravity signal that first acceleration transducer reports is received, is believed according to first acceleration of gravity Number determine the first plane where the first housing；

The second acceleration of gravity signal that second acceleration transducer reports is received, is believed according to second acceleration of gravity Number determine the second plane where the second housing；

The angle between first plane and second plane is calculated, is defined as the folding angles.

5. method according to any one of claims 1 to 4, it is characterised in that described to be adjusted according to the change of the folding angles The whole acquisition parameters, including：

Targeted parameter value corresponding with the folding angles is inquired about in the first corresponding relation, first corresponding relation includes institute State the corresponding relation between folding angles and the targeted parameter value；

The value of the acquisition parameters is adjusted to the targeted parameter value from current parameter value.

6. according to the method for claim 5, it is characterised in that the acquisition parameters include：Focal length, aperture, shutter speed, Exposure, white balance, color saturation, brightness of flash lamp, flash of light lamp color temperature in any one.

7. method according to any one of claims 1 to 6, it is characterised in that methods described also includes：

Folding angles described in timing keep constant duration；

When the duration reaches predetermined threshold value, taken pictures according to the acquisition parameters.

8. a kind of acquisition parameters adjusting apparatus, it is characterised in that described device has folding display screen, the folding display screen tool There are folding first screen area and the second screen area, described device to include：

Display module, it is configured as controlling first screen area to show shooting preview interface, the shooting preview interface is The picture for shooting to obtain according to acquisition parameters；

Monitoring modular, it is configured as monitoring the folding angles between first screen area and second screen area；

Adjusting module, it is configured as adjusting the acquisition parameters according to the change of the folding angles.

9. device according to claim 8, it is characterised in that first screen area and second screen area pair The folding part answered is provided with angular transducer or electronic rotation part；

The monitoring modular, it is configured as receiving the angle folding that the angular transducer or the electronic rotation part report Degree.

10. device according to claim 8, it is characterised in that set corresponding to first screen area in the first housing The first acceleration transducer is equipped with, the second acceleration transducer is provided with the second housing corresponding to second screen area；

The monitoring modular, it is configured as receiving the first acceleration of gravity signal that first acceleration transducer reports, root The first plane where the first housing is determined according to the first acceleration of gravity signal；Receive second acceleration sensing The second acceleration of gravity signal that device reports, according to where the second acceleration of gravity signal determines the second housing Two planes；The angle between first plane and second plane is calculated, is defined as the folding angles.

11. a kind of mobile terminal, it is characterised in that the mobile terminal includes processor and memory, is deposited in the memory At least one instruction is contained, the instruction is loaded by the processor and performed to realize as described in claim 1 to 7 is any Shooting parameter adjustment method.

12. a kind of computer-readable recording medium, it is characterised in that at least one instruction, institute are stored with the storage medium Instruction is stated to be loaded by processor and performed to realize the shooting parameter adjustment method as described in claim 1 to 7 is any.