CN112995501A - Camera control method and device, electronic equipment and storage medium - Google Patents
Camera control method and device, electronic equipment and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
Abstract
The embodiment of the disclosure discloses a control method and a control device of a camera, electronic equipment and a storage medium, wherein the control method of the camera is applied to the electronic equipment, the electronic equipment is in communication connection with the camera, and the method comprises the following steps: acquiring initial position information and current position information of the electronic equipment; under the condition of selecting a first adjusting mode, determining a first adjusting parameter according to the initial position information and the current position information; and adjusting the posture of the camera according to the first adjustment parameter.
Description
Technical Field
The present disclosure relates to the field of camera technologies, and in particular, to a camera control method, a camera control device, an electronic device, and a computer storage medium.
Background
The intelligent camera has the functions of left-right rotation, up-down inclination, amplification and the like. The user can remotely check the content shot by the intelligent camera through the terminal equipment, and the intelligent camera can be remotely controlled to rotate through the terminal equipment.
In the related art, the rotation of the smart camera is usually controlled in a UI (User Interface) interactive manner, for example, a User needs to operate on a control Interface of the terminal device to control the rotation of the smart camera, which is cumbersome to operate. Therefore, a new control method of the camera is provided.
Disclosure of Invention
An object of the embodiments of the present disclosure is to provide a new technical solution for controlling a camera.
According to a first aspect of the embodiments of the present disclosure, there is provided a method for controlling a camera, which is applied to an electronic device, where the electronic device is in communication connection with the camera, the method including:
acquiring initial position information and current position information of the electronic equipment;
under the condition of selecting a first adjusting mode, determining a first adjusting parameter according to the initial position information and the current position information;
and adjusting the posture of the camera according to the first adjustment parameter.
Optionally, the method further comprises:
and acquiring a picture shot by the camera in the adjusted posture, and displaying the picture.
Optionally, the first adjustment parameter includes a rotation angle and a rotation direction;
the adjusting the posture of the camera according to the first adjustment parameter includes:
and adjusting the posture of the camera according to the rotation angle and the rotation direction.
Optionally, the first adjustment parameter further includes a fourth offset parameter; the method further comprises the following steps:
and adjusting the focal length of the camera according to the fourth offset parameter and a preset fourth proportion.
Optionally, the method further comprises:
under the condition of selecting a second adjusting mode, determining a second adjusting parameter according to the initial position information and the current position information;
determining a display area of the picture according to the second adjusting parameter;
and displaying the picture content corresponding to the display area.
Optionally, the second adjustment parameter includes a first offset parameter and a second offset parameter;
the determining the display area of the picture according to the second adjustment parameter includes:
determining a first offset value according to the first offset parameter and a preset first proportion;
determining a second offset value according to the second offset parameter and a preset second proportion;
determining a display area of the picture according to the first offset value and the second offset value;
the first deviation value is smaller than or equal to a preset first distance threshold value, and the second deviation value is smaller than or equal to a preset second distance threshold value.
Optionally, the second adjustment parameter further includes a third offset parameter;
the displaying the picture content corresponding to the display area includes:
adjusting the focal length of the camera according to the third offset parameter and a preset third proportion;
and displaying the picture content which is shot by the camera under the adjusted focal length and corresponds to the display area.
Optionally, the acquiring initial location information of the electronic device includes:
providing a first interactive interface;
receiving an operation instruction input through the first interactive interface;
in response to the operation instruction, taking the position information of the electronic equipment when the operation instruction is received as the initial position information of the electronic equipment;
the method further comprises the following steps:
and responding to the operation instruction, and adjusting the camera to an initial posture.
According to a second aspect of the embodiments of the present disclosure, there is provided a control apparatus for a camera, applied to an electronic device, the apparatus including:
the acquisition module is used for acquiring initial position information and current position information of the electronic equipment;
the first determining module is used for determining a first adjusting parameter according to the initial position information and the current position information under the condition of selecting a first adjusting mode;
and the first adjusting module is used for adjusting the posture of the camera according to the first adjusting parameter.
According to a third aspect of the embodiments of the present disclosure, there is provided an electronic device including a sensor, the electronic device further including:
a memory for storing an executable computer program;
a processor for performing the method according to the first aspect of the embodiments of the present disclosure under control of the executable computer program;
wherein the sensor is connected with the processor to output the acquired position information of the electronic equipment to the processor.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, perform the method of the first aspect of the embodiments of the present disclosure.
According to the embodiment of the disclosure, the initial position information and the current position information of the electronic equipment are acquired through the sensor of the electronic equipment, the first adjustment parameter is determined according to the initial position information and the current position information of the electronic equipment, and the posture of the camera is adjusted according to the first adjustment parameter, so that the posture of the camera can be adjusted in real time according to the motion track of the electronic equipment, and a user can conveniently check the content shot by the camera. The control method of the camera provided by the embodiment of the disclosure controls the response of the camera based on the data collected by the sensor, is convenient to operate, can realize VR type control, and has better user experience. Moreover, the operation information input by the user is received through the screen and the processing process of the operation information is avoided, so that the delay can be reduced, and the response speed can be improved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
FIG. 1 is a hardware configuration schematic of a control system that may be used to implement embodiments of the present disclosure;
fig. 2 is a flowchart illustrating a control method of a camera according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of location information of an electronic device according to one embodiment of the present disclosure;
FIG. 4 is a schematic illustration of a display area of a screen according to one embodiment of the present disclosure;
fig. 5 is a flowchart illustrating a control method of a camera according to an example of the present disclosure;
fig. 6 is a flowchart illustrating a control method of a camera according to another example of the present disclosure
Fig. 7 is a block diagram of the structure of a control device of a camera according to an embodiment of the present disclosure;
fig. 8 is a block diagram of the structure of an electronic device according to one embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
< hardware configuration >
Fig. 1 is a schematic structural diagram of a control system capable of implementing the control method of the camera according to the embodiment of the present disclosure. As shown in fig. 1, the control system 100 includes an electronic apparatus 1000 and a camera 2000. The electronic device 1000 and the camera 2000 are communicatively connected via a network 3000. The network 3000 may be a wireless network or a wired network, and may be a local area network or a wide area network.
In one embodiment, the camera 2000 may be, for example, a 360 ° rotatable camera, a surveillance camera, a webcam, a wide-angle camera, a super wide-angle camera, a tele-camera, and the like.
In one embodiment, the electronic device 1000 may be configured to control the camera to rotate, and to acquire and display a picture taken by the camera.
In one embodiment, the electronic device 1000 may be as shown in fig. 1, including a processor 1100, a memory 1200, an interface device 1300, a communication device 1400, a display device 1500, an input device 1600, an audio device 1700, and a sensor 1800. The processor 1100 may include, but is not limited to, a central processing unit CPU, a microprocessor MCU, or the like. The memory 1200 includes, for example, a ROM (read only memory), a RAM (random access memory), a nonvolatile memory such as a hard disk, and the like. The interface device 1300 includes, for example, various bus interfaces such as a serial bus interface (including a USB interface), a parallel bus interface, and the like. Communication device 1400 is capable of wired or wireless communication, for example. The display device 1500 is, for example, a liquid crystal display, an LED display, a touch display, or the like. The input device 1600 may include, for example, a touch screen, keyboard, mouse, somatosensory input, and the like. The audio device 1700 may be used to input/output voice information. The sensor 1800 may be, for example, an image sensor, an infrared sensor, a laser sensor, a pressure sensor, a gyroscope sensor, a magnetic sensor, an acceleration sensor, a distance sensor, a proximity light sensor, an ambient light sensor, a fingerprint sensor, a touch sensor, a temperature sensor, etc., and the sensor 1800 may be used to measure positional information of the electronic device 1000.
In one embodiment, the electronic device 1000 may be an electronic device with communication functionality, service processing capabilities. The electronic device 1000 may be, for example, a mobile terminal, a laptop, a tablet computer, a palmtop computer, a wearable device, a VR (Virtual Reality) device, or the like.
The display apparatus 1500 may be integrated in an electronic device 1000, such as a mobile terminal, a head-mounted display device, or the like. The display device 1500 may be provided independently of the electronic apparatus 1000.
In this embodiment, the memory 1200 of the electronic device 1000 is configured to store instructions for controlling the processor 1100 to operate to implement or support implementation of the camera-based control method according to any of the embodiments. The skilled person can design the instructions according to the solution disclosed in the present specification. How the instructions control the operation of the processor is well known in the art and will not be described in detail herein.
It should be understood by those skilled in the art that although a plurality of devices of the electronic apparatus 1000 are shown in fig. 1, the electronic apparatus 1000 of the embodiment of the present specification may refer to only some of the devices, for example, only the processor 1100, the memory 1200, the communication device 1400, the sensor 1800, and the like.
The control system 100 shown in fig. 1 is merely illustrative and is in no way intended to limit the present description, its application, or uses. For example, although fig. 1 shows only one electronic device 1000 and one camera 2000, it is not meant to limit the respective numbers, and the control system 100 may contain a plurality of electronic devices 1000 and/or a plurality of cameras 2000.
Various embodiments and examples according to the present disclosure are described below with reference to the drawings.
< method examples >
Fig. 2 illustrates a control method of a camera according to an embodiment of the present disclosure, which may be implemented by the electronic device 1000 shown in fig. 1, for example. The electronic equipment is in communication connection with the camera and is used for controlling the camera to rotate and acquiring pictures shot by the camera.
The method for controlling a camera provided in this embodiment may include the following steps S2100 to S2400.
In step S2100, initial position information and current position information of the electronic device are acquired.
The initial position information may be information of an initial position where the electronic device moves, that is, information of a position where the electronic device is located when a function of controlling the camera is turned on. The initial position of the electronic device corresponds to the initial pose of the camera.
The current location information may be information of a current location of the electronic device after the movement. The current position of the electronic equipment corresponds to the posture to be adjusted by the camera.
In an embodiment of the present disclosure, the step of acquiring initial location information of the electronic device may further include: steps S3100 to S3300.
Step S3100, providing a first interactive interface.
The first interactive interface may for example be an interface to which an input device can be connected. The input device includes, for example, a touch screen, a keyboard, a mouse, and the like, which can be used by a user to input information.
Step S3200, receiving an operation instruction input through the second interactive interface.
The operation instruction is used for starting the function of controlling the camera. The operation command may be, for example, a pressing operation, another touch operation, a voice command, or the like, and is not limited herein.
And step S3300, in response to the operation instruction, taking the position information of the electronic equipment when the operation instruction is received as the initial position information of the electronic equipment.
Illustratively, in response to the operation instruction, a collection signal is sent to a sensor of the electronic device so as to acquire initial position information of the electronic device collected by the sensor.
In order to facilitate the user to accurately control the camera, in an embodiment of the present disclosure, after step S3200, the control method may further include: and responding to the operation instruction, and adjusting the camera to the initial posture.
The orientation of the camera can be controlled by adjusting the posture of the camera. The initial attitude of the camera may be predetermined, for example, the camera is directed straight ahead. The initial posture of the camera corresponds to the initial position of the electronic equipment, when the function of controlling the camera is started, the camera is controlled to be adjusted to the initial posture, and the user can further adjust the posture of the camera based on the initial posture of the camera, so that the control of the user is facilitated.
Step S2200, under the condition that the first adjusting mode is selected, determining a first adjusting parameter according to the initial position information and the current position information.
In this embodiment, the electronic device includes two adjustment modes. For the first adjustment mode, the posture of the camera can be adjusted according to the initial position information and the current position information of the electronic equipment, and the picture shot by the camera can be acquired and displayed. The first adjustment mode is suitable for the condition that the size of a shot picture of the camera is matched with the display size of the display. For the second adjustment mode, the display picture of the electronic device can be adjusted according to the initial position information and the current position information of the electronic device, so that all contents shot by the camera can be checked. The second adjustment mode is suitable for the condition that the size of the shot picture of the camera is larger than the display size of the display. For example, a wide-angle camera is used. In particular implementation, a user may input a corresponding adjustment mode, and the adjustment mode is determined in response to the input of the user.
And step S2300, adjusting the posture of the camera according to the first adjusting parameter.
In one embodiment of the present disclosure, the first adjustment parameter includes a rotation angle and a rotation direction. The step of adjusting the pose of the camera according to the first adjustment parameter may further include: and adjusting the posture of the camera according to the rotation angle and the rotation direction.
For example, as shown in fig. 3, the initial position of the electronic device is point O, and the current position is point a, that is, the actual motion trajectory of the electronic device is R. The moving distance information and the moving direction information of the electronic device moving from the initial position (point O) to the current position (point a) can be obtained through a gyroscope sensor and/or an acceleration sensor built in the electronic device, that is, an included angle Axr between an actual moving track R of the electronic device and an X axis and an included angle Ayr between the actual moving track R of the electronic device and a Y axis can be obtained. The rotation direction and the rotation angle can be determined from the angle Axr and the angle Ayr, for example, 45 ° to the left, 20 ° to the top, and further, the posture of the camera is adjusted according to the rotation angle and the rotation direction.
In one embodiment of the present disclosure, the first adjustment parameter further includes a fourth offset parameter. The control method further comprises the following steps: and adjusting the focal length of the camera according to the fourth offset parameter and a preset fourth proportion.
In specific implementation, the moving distance information of the electronic device from the initial position (point O) to the current position (point a) can be obtained through a gyroscope sensor and/or an acceleration sensor built in the electronic device, that is, the offset value of the actual motion trajectory R of the electronic device on the Z axis can be obtained, and further, the focal length of the camera is adjusted according to the fourth offset parameter and the preset fourth ratio.
Illustratively, the focal length f of the camera can be obtained by the following formula:
f＝Rz1*d1
wherein f is the focal length of the adjusted camera, Rz1Is a fourth offset parameter, d1Is a preset fourth ratio. The preset fourth ratio can be set by a person skilled in the art according to the focal length variation range of the camera. The size of the preset fourth proportion is not limited in the embodiment of the disclosure.
According to the control method provided by the embodiment of the disclosure, the focal length of the camera can be adjusted according to the initial position information and the current position information, so that the focal length of the camera can be adjusted in real time according to the motion track of the electronic equipment, the display picture is updated, and the use is more convenient.
In an embodiment of the present disclosure, after adjusting the pose of the camera according to the first adjustment parameter, the control method may further include: and acquiring the picture shot by the camera in the adjusted posture, and displaying the picture.
In specific implementation, after the posture of the camera is adjusted, the electronic equipment acquires a picture shot by the camera in the adjusted posture through the communication module, and transmits the picture to the display module so as to display the picture to a user, thereby remotely controlling the camera to rotate and checking the content shot by the camera.
When the method is specifically implemented, the picture can be transmitted to an external display, so that the picture is displayed to a user through the external display, the electronic equipment and the display are separately arranged, and the user can conveniently check the picture content shot by the camera while controlling the camera through the electronic equipment.
According to the embodiment of the disclosure, the initial position information and the current position information of the electronic equipment are acquired through the sensor of the electronic equipment, the first adjustment parameter is determined according to the initial position information and the current position information of the electronic equipment, and the posture of the camera is adjusted according to the first adjustment parameter, so that the posture of the camera can be adjusted in real time according to the motion track of the electronic equipment, and a user can conveniently check the content shot by the camera. The control method of the camera provided by the embodiment of the disclosure controls the response of the camera based on the data collected by the sensor, is convenient to operate, can realize VR type control, and has better user experience. Moreover, the operation information input by the user is received through the screen and the processing process of the operation information is avoided, so that the delay can be reduced, and the response speed can be improved.
In this embodiment, the second adjustment method is suitable for a case where the size of the shot picture of the camera is larger than the display size of the display. For the second adjustment mode, the display picture of the electronic device can be adjusted according to the initial position information and the current position information of the electronic device, so that all contents shot by the camera can be checked. For example, with wide-angle camera shooting, the display screen of the electronic device can be adjusted according to the initial position information and the current position information of the electronic device to view all contents shot by the camera.
In an embodiment of the present disclosure, the method for controlling a camera may further include: steps S4100-S4300.
Step S4100, determining a second adjustment parameter according to the initial position information and the current position information when the second adjustment mode is selected.
The initial position information may be information of an initial position where the electronic device moves, that is, information of a position where the electronic device is located when a function of adjusting the display screen is turned on. The initial position of the electronic device corresponds to the initial display area of the screen, that is, when the electronic device starts the function of adjusting the display screen, the electronic device displays the screen content corresponding to the initial display area. The initial display area may be set in advance, and as shown in fig. 4, the initial display area may be an area (area a) located at the upper left corner of the shooting screen of the camera. It is to be understood that the initial display area may be preset in other manners than the above-described manner. For example, the initial display area may be an area located at the center of a captured picture of a camera, or the like.
The current location of the electronic device may reflect a display area of the screen. And determining a second adjusting parameter according to the initial position information and the current position information of the electronic equipment.
The second adjustment parameter may be used to determine a display area of the picture, that is, determine a display area of the shot picture of the camera according to the second adjustment parameter, acquire shot content of the camera according to the display area, and display picture content corresponding to the display area.
In step S4100, the right side of the user may be set as the positive direction of the X axis, and the upper side of the user may be set as the positive direction of the Y axis. That is, when the user moves the electronic apparatus to the right, the display area is shifted to the right, when the user moves the electronic apparatus to the left, the display area is shifted to the left, when the user moves the electronic apparatus upward, the display area is shifted upward, and when the user moves the electronic apparatus downward, the display area is shifted downward. Based on this, the second adjustment parameter includes a first offset parameter and a second offset parameter. For example, the first offset parameter is the offset distance along the X-axis,the second offset parameter is the offset distance along the Y-axis. As shown in fig. 3, for example, the initial position of the electronic device is point O, and the current position is point a. The first offset parameter is an offset distance R along the X-axisxThe second offset parameter is an offset distance R along the Y axisy。
In step S4200, the display area of the screen is determined according to the second adjustment parameter.
In a more specific example, the step of determining the display area of the screen according to the second adjustment parameter may further include: steps S4210 to S4230.
Step S4210, determining a first offset value according to the first offset parameter and a preset first ratio.
The first offset parameter is an actual moving distance of the electronic device along the X direction. The first offset value, which is an offset distance of the display area in the width direction of the photographing screen, may be determined according to the first offset parameter.
In order to avoid that the change amplitude of the display area of the picture is too large due to too large actual moving distance of the electronic device, and the user is influenced to view the picture content shot by the camera, the embodiment of the disclosure determines the first offset value according to the first offset proportion and a preset first proportion.
Illustratively, the first offset value dxCan be obtained by the following formula:
dx＝Rx*k1
wherein d isxIs a first offset value, RxIs a first offset parameter, k1Is a preset first proportion.
The preset first ratio can be set by a person skilled in the art according to practical situations. For example, the preset first ratio may be 0.5, 0.2, and the like, and the size of the preset first ratio is not limited in the embodiments of the present disclosure.
Step S4220, determining a second offset value according to the second offset parameter and a preset second ratio.
The second offset parameter is an actual moving distance of the electronic device in the Y direction. The second offset value may be determined according to the second offset parameter, i.e. the second offset value is the offset distance by which the display area moves along the height of the captured picture.
In order to avoid that the change amplitude of the display area of the picture is too large due to too large actual moving distance of the electronic device, and the user is influenced to view the picture content shot by the camera, the embodiment of the disclosure determines the first offset value according to the second offset ratio and the preset second ratio.
Illustratively, the second offset value dyCan be obtained by the following formula:
dy＝Ry*k2
wherein d isyIs a second offset value, RyIs a second offset parameter, k2Is a preset second ratio.
The preset second ratio can be set by those skilled in the art according to actual conditions. For example, the preset second ratio may be 0.5, 0.2, etc., and the size of the preset second ratio is not limited by the embodiments of the present disclosure.
Step S4230 determines a display area of the screen based on the first offset value and the second offset value.
For example, as shown in fig. 4, the initial display area is located in an area (area a) at the upper left corner of the shooting picture of the camera, and the adjusted display area is an area b.
It should be noted that the first offset value is smaller than or equal to a preset first distance threshold, and the second offset value is smaller than or equal to a preset second distance threshold.
The first distance threshold and the second distance threshold may be set according to a size of a photographed picture of the camera and a display size of the display. For example, referring to fig. 4, for a first offset value, that is, an offset distance of a display area of a screen in a width direction of a captured screen of a camera, a first distance threshold value is a width C of the captured screen of the camerawAnd the screen width D of the displaywThe difference of (a). The second distance threshold value is the offset distance of the display area of the picture along the height direction of the shooting picture of the camera aiming at the second offset valueHeight ChHeight D of screen of displayhThe difference of (a).
In one embodiment of the disclosure, the electronic device sends out the first prompt message when the first deviation value reaches the first distance threshold, and sends out the second prompt message when the second deviation value reaches the second distance threshold, so as to remind the user to adjust the second adjustment parameter in time.
In step S4300, the screen content corresponding to the display area is displayed.
In specific implementation, after the second adjustment parameter is adjusted, the display area of the picture is determined according to the second adjustment parameter, the electronic device obtains picture content, corresponding to the display area, shot by the camera through the communication module, and transmits the picture content to the display module so as to display the picture to a user, and therefore the camera is remotely controlled to rotate and the content shot by the camera is checked. When the method is specifically implemented, the picture can be transmitted to an external display, so that the picture is displayed to a user through the external display, the electronic equipment and the display are separately arranged, and the user can conveniently check the picture content shot by the camera while controlling the camera through the electronic equipment.
According to the control method provided by the embodiment of the disclosure, for the condition that the size of the shot picture of the camera is not matched with the display size of the display or the camera is not rotatable, the display area of the picture can be adjusted through the second adjustment parameter, so that the display picture can be updated in real time according to the motion track of the electronic equipment. In addition, this disclosed embodiment is based on the data control camera response of sensor collection, and convenient operation can realize VR formula control, and user experience is better. Moreover, the operation information input by the user is received through the screen and the processing process of the operation information is avoided, so that the delay can be reduced, and the response speed can be improved.
In this embodiment, the second adjustment parameter further includes a third offset parameter, and the focal length of the camera is adjusted according to the third offset parameter, so as to obtain a picture taken by the camera at the adjusted focal length. In a specific example, the step of displaying the screen content corresponding to the display area may further include: and S5100-S5200.
And S5100, adjusting the focal length of the camera according to the third offset parameter and a preset third proportion.
In a specific implementation, the front of the user may be set to be the positive direction of the Z axis, that is, when the user moves the electronic device forward, the focal length becomes larger, and when the user moves the electronic device backward, the focal length becomes smaller. Referring to FIG. 3, the second tuning parameter is the offset distance R along the Z-axisz。
Illustratively, the focal length f of the camera can be obtained by the following formula:
f＝Rz2*d2
wherein f is the focal length of the adjusted camera, Rz2Is a third offset parameter, d2Is a preset third proportion. The preset third ratio can be set by a person skilled in the art according to the focal length variation range of the camera. The size of the preset third ratio is not limited in the embodiment of the present disclosure.
In one embodiment of the present disclosure, step S5100 may further include: and adjusting the focal length of the camera according to the third offset parameter, the preset third proportion and the set focal length range.
The set focal length range can be the maximum allowable focal length range of the camera, and can also be set by a person skilled in the art according to actual conditions. For example, the minimum value of the focal length of the camera is set to be m, m is less than 0, the maximum value is set to be n, and n is greater than 0. In practice, at the third offset parameter Rz2When the focal length is larger than 0, namely the user moves the electronic equipment forwards, the focal length is increased, and at the moment, the adjusted focal length f is smaller than or equal to the maximum value n of the focal length of the camera. At a third offset parameter Rz2When the focal length is less than 0, namely the focal length is negative, at the moment, the adjusted focal length f is Rz2And the absolute value of the third ratio, and the adjusted focal length f is less than or equal to the absolute value of the minimum value m of the focal length of the camera.
In one embodiment of the disclosure, when the adjusted focal length of the camera exceeds the set focal length range, the electronic device sends a third prompt message,
in an embodiment of the present disclosure, the method for controlling a camera may further include: steps S6100 to S6200.
In step S6100, a second interactive interface is provided.
The second interactive interface may be, for example, an interface capable of connecting an input device. The input device includes, for example, a touch screen, a keyboard, a mouse, and the like, which can be used by a user to input information.
Step S6200, a set focal length range input through the second interactive interface is received.
In step S5200, the screen content corresponding to the display area captured by the camera at the adjusted focal length is displayed.
According to the control method provided by the embodiment of the disclosure, the display area of the picture is determined according to the initial position information and the current position information of the electronic equipment, the focal length of the camera is adjusted according to the initial position information and the current position information of the electronic equipment, and the display picture can be updated in real time according to the motion track of the electronic equipment under the condition that the camera is not rotatable.
The following describes a control method of a camera by taking a rotatable camera as an example. Referring to fig. 5, the control method of the camera includes the following steps.
Step S501, acquiring initial position information and current position information of the electronic device.
Step S502, determining a first adjusting parameter according to the initial position information and the current position information, wherein the first adjusting parameter comprises a rotation angle, a rotation direction and a fourth offset parameter.
And step S503, adjusting the posture of the camera according to the rotation angle and the rotation direction.
And step S504, adjusting the focal length of the camera according to the fourth offset parameter and a preset fourth proportion.
And step S505, acquiring the picture shot by the camera under the adjusted posture and focus, and displaying the picture.
It should be noted that the execution sequence of steps S503-S504 may be alternated, or may be executed simultaneously.
According to the example, the initial position information and the current position information of the electronic equipment are acquired through the sensor of the electronic equipment, the first adjusting parameter is determined according to the initial position information and the current position information of the electronic equipment, and the posture of the camera is adjusted according to the first adjusting parameter, so that the posture of the camera can be adjusted in real time according to the motion track of the electronic equipment, and a user can conveniently check the content shot by the camera. The control method of the camera provided by the embodiment of the disclosure controls the response of the camera based on the data collected by the sensor, is convenient to operate, can realize VR type control, and has better user experience.
The following describes a control method of a camera by taking a non-rotatable camera as an example. Referring to fig. 6, the control method of the camera includes the following steps.
Step S601, acquiring initial position information and current position information of the electronic device.
Step S602, determining a second adjustment parameter according to the initial position information and the current position information, where the second adjustment parameter includes a first offset parameter, a second offset parameter, and a third offset parameter.
Step S603 determines a display area of the screen according to the first offset parameter and the second offset parameter.
And step S604, adjusting the focal length of the camera according to the third offset parameter and a preset third proportion.
And step S605, displaying the picture content which is shot by the camera at the adjusted focal length and corresponds to the display area.
It should be noted that the execution order of steps S603-S604 may be alternated, or may be executed simultaneously.
According to the example, the display area of the picture is determined through the initial position information and the current position information of the electronic equipment, the focal length of the camera is adjusted according to the initial position information and the current position information of the electronic equipment, and the display picture can be updated in real time according to the motion track of the electronic equipment under the condition that the camera is not rotatable.
< apparatus embodiment >
Referring to fig. 7, the embodiment of the present disclosure provides a control apparatus 700 of a camera, where the control apparatus 700 of the camera includes an obtaining module 710, a first determining module 720, and a first adjusting module 730.
The obtaining module 710 is configured to obtain initial location information and current location information of the electronic device.
The first determining module 720 is configured to determine a first adjustment parameter according to the initial position information and the current position information under the condition that a first adjustment mode is selected.
The first adjusting module 730 is configured to adjust the posture of the camera according to the first adjusting parameter.
In a more specific example, the first adjustment parameter includes a rotation angle and a rotation direction. The first adjusting module 730 is specifically configured to adjust the posture of the camera according to the rotation angle and the rotation direction.
In a more specific example, the first adjustment parameter further includes a fourth offset parameter. The first adjusting module 730 is further specifically configured to adjust the focal length of the camera according to the fourth offset parameter and a preset fourth ratio.
In one embodiment, the control device 700 of the camera further includes a display module. The display module is used for acquiring the picture shot by the camera in the adjusted posture and displaying the picture.
In one embodiment of the present disclosure, the control device 700 of the camera further includes a second determination module and a second adjustment module.
The second determining module is used for determining a second adjusting parameter according to the initial position information and the current position information under the condition that a second adjusting mode is selected.
The second adjusting module is used for determining the display area of the picture according to the second adjusting parameter.
The display module is also used for displaying the picture content corresponding to the display area.
In a more specific example, the second adjustment parameter includes a first offset parameter and a second offset parameter.
The second determining module is specifically configured to determine a first offset value according to the first offset parameter and a preset first ratio.
The second determining module is specifically configured to determine a second offset value according to the second offset parameter and a preset second ratio
The second determining module is specifically configured to determine a display area of the screen according to the first offset value and the second offset value.
The first deviation value is smaller than or equal to a preset first distance threshold value, and the second deviation value is smaller than or equal to a preset second distance threshold value.
In a more specific example, the second adjustment parameter further includes a third offset parameter. The second adjusting module is further specifically configured to adjust the focal length of the camera according to the third offset parameter and a preset third ratio.
In a more specific example, the display module is specifically configured to display the picture content corresponding to the display area, which is shot by the camera at the adjusted focal length.
< apparatus embodiment >
Referring to fig. 8, an embodiment of the present disclosure further provides an electronic device 800. The electronic device 800 may be, for example, the electronic device 1000 shown in fig. 1.
The electronic device includes a processor 810, a memory 820, and a sensor 830.
The memory 820 is used to store executable computer programs.
The processor 810 is configured to execute the control method of the camera according to any one of the foregoing method embodiments, according to the control of the executable computer program.
The sensor 830 is connected to the processor 810, and is configured to collect position information of the electronic device 800 and output the position information to the processor 810.
Referring to fig. 8, in one embodiment, the electronic device 800 further includes a display 840. The display 840 is connected to the processor 810 for receiving the image outputted from the processor 810 to display the image.
It is noted that the display 840 may be integrated with the electronic device 800, such as a mobile terminal or a head mounted display device. The display 840 may also be provided external to the electronic device 800, such as a head mounted display device and a control handle. Therefore, the electronic equipment and the display are arranged separately, and the user can conveniently check the picture content shot by the camera when controlling the camera through the electronic equipment.
In one embodiment, the electronic device 1000 may be an electronic device with communication functionality, service processing capabilities. The electronic device 1000 may be, for example, a mobile terminal, a laptop, a tablet computer, a palmtop computer, a wearable device, a VR (Virtual Reality) device, or the like.
In an embodiment, the electronic device 800 is connected to a camera for controlling the camera to operate. The camera 2000 may be, for example, a 360 ° rotatable camera, a surveillance camera, a web camera, a wide-angle camera, an ultra wide-angle camera, a tele camera, and the like.
According to the electronic equipment provided by the embodiment of the disclosure, the initial position information and the current position information of the electronic equipment are acquired through the sensor of the electronic equipment, and the posture of the camera is adjusted according to the initial position information and the current position information of the electronic equipment, so that the posture of the camera can be adjusted in real time according to the motion track of the electronic equipment, and a user can conveniently check the content shot by the camera. Like this, based on the data control camera response of sensor collection, convenient operation can realize VR formula control, and user experience is better. Moreover, under the condition that the camera is not rotatable, the display picture can be updated in real time according to the motion track of the electronic equipment.
< computer-readable storage Medium >
The embodiment of the present disclosure also provides a computer-readable storage medium, on which computer instructions are stored, and when the computer instructions are executed by a processor, the method for controlling a camera provided by the embodiment of the present disclosure is executed.
The embodiments in the present disclosure are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments, but it should be clear to those skilled in the art that the embodiments described above can be used alone or in combination with each other as needed. In addition, for the device embodiment, since it corresponds to the method embodiment, the description is relatively simple, and for relevant points, refer to the description of the corresponding parts of the method embodiment. The system embodiments described above are merely illustrative, in that modules illustrated as separate components may or may not be physically separate.
The present invention may be a system, method and/or computer program product. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied therewith for causing a processor to implement various aspects of the present invention.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
Computer program instructions for carrying out operations of the present invention may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "like" programming languages, or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of the present invention are implemented by personalizing an electronic circuit, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA), with state information of computer-readable program instructions, which can execute the computer-readable program instructions.
Aspects of the present invention are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. It is well known to those skilled in the art that implementation by hardware, by software, and by a combination of software and hardware are equivalent.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the invention is defined by the appended claims.
Claims (11)
1. A control method of a camera is applied to an electronic device, wherein the electronic device is in communication connection with the camera, and the method comprises the following steps:
acquiring initial position information and current position information of the electronic equipment;
under the condition of selecting a first adjusting mode, determining a first adjusting parameter according to the initial position information and the current position information;
and adjusting the posture of the camera according to the first adjustment parameter.
2. The method of claim 1, further comprising:
and acquiring a picture shot by the camera in the adjusted posture, and displaying the picture.
3. The method of claim 1, wherein the first adjustment parameter comprises a rotation angle and a rotation direction;
the adjusting the posture of the camera according to the first adjustment parameter includes:
and adjusting the posture of the camera according to the rotation angle and the rotation direction.
4. The method of claim 1, wherein the first adjustment parameter further comprises a fourth offset parameter; the method further comprises the following steps:
and adjusting the focal length of the camera according to the fourth offset parameter and a preset fourth proportion.
5. The method of claim 1, further comprising:
under the condition of selecting a second adjusting mode, determining a second adjusting parameter according to the initial position information and the current position information;
determining a display area of the picture according to the second adjusting parameter;
and displaying the picture content corresponding to the display area.
6. The method of claim 5, wherein the second adjustment parameter comprises a first offset parameter and a second offset parameter;
the determining the display area of the picture according to the second adjustment parameter includes:
determining a first offset value according to the first offset parameter and a preset first proportion;
determining a second offset value according to the second offset parameter and a preset second proportion;
determining a display area of the picture according to the first offset value and the second offset value;
the first deviation value is smaller than or equal to a preset first distance threshold value, and the second deviation value is smaller than or equal to a preset second distance threshold value.
7. The method of claim 5, wherein the second adjustment parameter further comprises a third offset parameter;
the picture content corresponding to the display area comprises:
adjusting the focal length of the camera according to the third offset parameter and a preset third proportion;
and displaying the picture content which is shot by the camera under the adjusted focal length and corresponds to the display area.
8. The method according to any one of claims 1 to 5, wherein the acquiring initial position information of the electronic device includes:
providing a first interactive interface;
receiving an operation instruction input through the first interactive interface;
in response to the operation instruction, taking the position information of the electronic equipment when the operation instruction is received as the initial position information of the electronic equipment;
the method further comprises the following steps:
and responding to the operation instruction, and adjusting the camera to an initial posture.
9. A control device of a camera, applied to an electronic apparatus, the device comprising:
the acquisition module is used for acquiring initial position information and current position information of the electronic equipment;
the first determining module is used for determining a first adjusting parameter according to the initial position information and the current position information under the condition of selecting a first adjusting mode;
and the first adjusting module is used for adjusting the posture of the camera according to the first adjusting parameter.
10. An electronic device comprising a sensor, the electronic device further comprising:
a memory for storing an executable computer program;
a processor for performing the method according to any one of claims 1-7 under control of the executable computer program;
wherein the sensor is connected with the processor to output the acquired position information of the electronic equipment to the processor.
11. A computer readable storage medium having stored thereon computer instructions which, when executed by a processor, perform the method of any of claims 1-8.
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| CN202110162704.9A CN112995501A (en) | 2021-02-05 | 2021-02-05 | Camera control method and device, electronic equipment and storage medium |
| PCT/CN2021/139169 WO2022166432A1 (en) | 2021-02-05 | 2021-12-17 | Camera control method and apparatus, electronic device, and storage medium |
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| CN202110162704.9A CN112995501A (en) | 2021-02-05 | 2021-02-05 | Camera control method and device, electronic equipment and storage medium |
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| WO2022166432A1 (en) * | 2021-02-05 | 2022-08-11 | 歌尔科技有限公司 | Camera control method and apparatus, electronic device, and storage medium |
| WO2023201885A1 (en) * | 2022-04-22 | 2023-10-26 | 歌尔股份有限公司 | Earphone connection method and apparatus, earphones, and medium |
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