WO2020215274A1

WO2020215274A1 - Unmanned aerial vehicle and image capture control method therefor

Info

Publication number: WO2020215274A1
Application number: PCT/CN2019/084291
Authority: WO
Inventors: 翁松伟; 韩守谦; 郝贵伟
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-10-29
Also published as: CN111345031B; CN111345031A

Abstract

An unmanned aerial vehicle and an image capture control method therefor, the unmanned aerial vehicle carrying an image capture apparatus and a lighting device; the method comprises: acquiring an image capture scene of the image capture apparatus if an instruction signal instructing the unmanned aerial vehicle to perform exposure control is acquired; and controlling the exposure mode of the image capture apparatus according to the image capture scene. The unmanned aerial vehicle of the present invention may intelligently adjust the exposure mode of the image capture apparatus according to the image capture scene of the image capture apparatus so as to prevent a captured image capture image from being overexposed and improve the quality of image collection, and may improve an adaptive operation of the unmanned aerial for an environment, thereby increasing the working efficiency and quality of the unmanned aerial vehicle in a searchlight application scenario, as well as the scene compatibility of the unmanned aerial vehicle; moreover, the time that must be spent on the intelligent adjustment of exposure mode is shorter, thereby improving user experience.

Description

UAV and its shooting control method

Technical field

The invention relates to the field of aerial photography, in particular to a drone and a shooting control method thereof.

Background technique

In the field of industry-level drones, due to the particularity of the industry, compared with consumer-level drones, there are higher requirements for the quality of the shooting pictures (such as brightness information). When the drone is shooting at night or in a poorly lit environment, the lighting equipment on the drone is usually used for auxiliary shooting.

At present, when industry-level drones are used in searchlighting scenes, the exposure mode of the camera device follows the traditional method, using global metering or central metering. The traditional exposure mode will have the following shortcomings: the searchlight area is likely to be overexposed , Making the overall work quality of capturing and shooting pictures in the searchlight scene is not high; the traditional exposure mode can only adjust the exposure parameters through EV control and M file settings, debugging and confirmation requires manual participation, which takes a long time, resulting in The work efficiency of capturing and shooting images in the searchlight scene is low, and the operation is troublesome and the user experience is poor; the exposure mode does not consider the actual use scene of the drone, resulting in extremely poor compatibility of the application scene.

Summary of the invention

The invention provides a drone and a shooting control method thereof.

Specifically, the present invention is implemented through the following technical solutions:

According to a first aspect of the present invention, there is provided a photographing control method of a drone, the drone is equipped with a photographing device and lighting equipment; the method includes:

If an instruction signal for instructing the drone to perform exposure control is received, acquiring the shooting field of view of the shooting device;

According to the shooting field of view, the exposure mode of the shooting device is controlled.

According to a second aspect of the present invention, there is provided an unmanned aerial vehicle including:

body;

The camera is mounted on the body;

The lighting equipment is provided in the body; and

The processor is electrically connected to the photographing device and the lighting equipment respectively, and the processor is configured to:

It can be seen from the technical solutions provided by the above embodiments of the present invention that the drone of the present invention can intelligently adjust the exposure mode of the shooting device according to the shooting field of view of the shooting device, prevent overexposure of the collected shooting pictures, improve the quality of image collection, and Improve the drone's adaptive operation to the environment, thereby improving the drone's operating efficiency and quality in searchlight application scenarios, as well as the drone's scene compatibility; and the time required for intelligent adjustment of the exposure mode is shorter , Improve the user experience.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

FIG. 1A is a schematic diagram of the structure of an unmanned aerial vehicle in an embodiment of the present invention;

FIG. 1B is a structural block diagram of a drone in an embodiment of the present invention;

Figure 2 is a method flowchart of a drone shooting control method in an embodiment of the present invention;

3 is a method flowchart of a drone shooting control method in another embodiment of the present invention;

4 is a method flowchart of a drone shooting control method in another embodiment of the present invention;

Fig. 5 is a method flowchart of a photographing control method of a drone in another embodiment of the present invention.

Reference signs: 100: body; 200: camera; 300 lighting equipment; 400: processor; 500: pan-tilt; 600: power system.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

The drone and its shooting control method of the present invention will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following embodiments and features in the implementation can be combined with each other.

FIG. 1A is a schematic structural diagram of an unmanned aerial vehicle in an embodiment of the present invention, and FIG. 1B is a structural block diagram of an unmanned aerial vehicle in an embodiment of the present invention. With reference to FIG. 1A and FIG. 1B, the drone of the embodiment of the present invention may include a body 100, a camera 200, a lighting device 300 and a processor 400. Among them, the imaging device 200 is mounted on the body 100. Optionally, the camera 200 is mounted on the bottom of the fuselage 100 to reduce the obstruction of obstacles and facilitate shooting. Further, the camera device 200 can be mounted on the bottom of the fuselage 100 via a pan/tilt 500, and the camera device 200 can be stabilized by the pan/tilt 500 to improve shooting quality. The pan/tilt 500 can be a two-axis pan/tilt or a three-axis pan/tilt. Yuntai.

The lighting device 300 is provided on the fuselage 100. Optionally, the lighting device 300 is mounted on the top of the fuselage 100. Specifically, the lighting device 300 can be fixed on the top of the fuselage 100 by quick release or other connection methods; the lighting device 300 Can be a searchlight.

The processor 400 is electrically connected to the camera 200 and the lighting device 300. The processor 400 of this embodiment can control the operation of the camera 200, for example, control the exposure mode of the camera 200, and the processor 400 can also obtain the camera 200 The shooting screen shot. The processor 400 can also control the opening and closing of the lighting device 300 to meet shooting requirements.

The processor 400 in this embodiment may be a central processing unit (CPU). The processor 400 may further include a hardware chip. The aforementioned hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof. The above-mentioned PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a generic array logic (GAL) or any combination thereof.

Referring to FIG. 1A again, the UAV may also include a power system 600 for providing power to the UAV. Optionally, the power system 600 includes a propeller assembly. Of course, other power sources can also be selected as the power system of the UAV.

The embodiment of the present invention provides a shooting control method of an unmanned aerial vehicle, and the execution subject of the shooting control method may be the processor 400. As shown in FIG. 2, the shooting control method may include the following steps:

S201: If an instruction signal for instructing the drone to perform exposure control is acquired, acquire the shooting field of view of the shooting device 200;

Among them, there are many ways to trigger the drone to perform exposure control. For example, in some embodiments, the instruction signal is sent by the control device of the drone. The control device may be a remote control of the drone, or a control terminal capable of communicating with the drone, such as a mobile phone, Pad, smart wearable devices, etc. In this embodiment, the user can trigger the control device to send an instruction signal to the drone according to actual needs, thereby selectively triggering the drone to perform exposure control.

In some embodiments, the drone detects that the lighting device 300 is turned on. For example, if the lighting device 300 is switched from the off state to the on state, or from the sleep state to the on state, the exposure control is performed, that is, the drone When the lighting device 300 is turned on, it is determined that the instruction signal is acquired. After the lighting device 300 is turned on, the exposure mode of the shooting device 200 may not be suitable for the searchlight scene. Therefore, when the lighting device 300 is turned on, the drone will perform exposure control to adjust the exposure mode of the shooting device 200 to prevent The captured images are overexposed to improve the quality of image capture and improve the adaptability of the drone to the environment.

In some embodiments, the drone performs exposure control when determining that the parameters of the camera 200 have changed. This is because after the parameters of the camera 200 are changed, if you continue to use the exposure mode of the camera 200 before the parameter changes, it may result in poor quality of the captured image (for example, the captured image is overexposed). When the parameters of the 200 change, the exposure control is performed to improve the image acquisition quality and improve the adaptability of the drone to the environment. Among them, the parameters of the camera 200 may include the posture of the camera 200, the field of view of the camera 200, the shooting distance of the camera 200, and the like. Optionally, the drone determines that the instruction signal is acquired when determining that at least one of the posture of the camera 200, the shooting field of view of the camera 200, and the shooting distance of the camera 200 has changed. Optionally, the drone determines the attitude of the camera 200 according to the attitude of the pan/tilt 500 and/or the attitude of the drone.

When the lighting device 300 is turned off, the actual significance of exposure control performed by the drone may not be significant. Therefore, in some embodiments, the drone obtains the shooting field of view of the camera 200 after determining that the lighting device 300 is turned on. Optionally, after the drone acquires the indication signal and before acquiring the shooting field of view of the camera 200, if the lighting device 300 is detected to be off, it can control the lighting device 300 to turn on first, and then obtain the shooting of the camera 200 Field of view: If it is detected that the lighting device 300 is turned on, there is no need to control the lighting device 300, and the shooting field of view of the camera 200 can be directly obtained.

It is understandable that, in some embodiments, after the drone obtains the indication signal, it directly obtains the shooting field of view of the camera 200 without detecting whether the lighting device 300 is in the on state.

S202: Control the exposure mode of the shooting device 200 according to the shooting field of view.

In the embodiment of the present invention, the drone can intelligently adjust the exposure mode of the camera 200 according to the shooting field of view of the camera 200 to prevent overexposure of the captured images, improve the quality of image collection, and improve the drone’s environmental impact. The adaptive operation improves the operating efficiency and quality of the drone in searchlight application scenarios, as well as the drone's scene compatibility; and the intelligent adjustment of the exposure mode takes less time, which improves the user experience.

Generally, when the light of the environment where the drone is located meets the shooting requirements, the exposure mode of the shooting device 200 is the normal mode. When the light in the environment of the drone is low and the lighting device 300 needs to be turned on to assist in shooting, if the exposure mode of the shooting device 200 continues to adopt the normal mode, the shooting picture may be overexposed, resulting in poor image quality. This embodiment According to the shooting field of view, the drone further determines whether to adjust the exposure mode and realizes the intelligent adjustment of the exposure mode.

Optionally, when the exposure mode of the photographing device 200 is the normal mode, the metering mode of the photographing device 200 is the average metering mode (that is, the area metering mode), and the metering weights of different areas in the shooting area are the same. The gamma curve of the camera 200 is a specific curve.

In some embodiments, the searchlighting area of the lighting device 300 is not in the shooting field of view, and the exposure mode of the shooting device 200 is normal, that is, if the drone determines that the searchlighting area of the lighting device 300 is not When shooting in the field of view, control the exposure mode to the normal mode.

In some embodiments, the searchlight area of the lighting device 300 is within the shooting field of view. At this time, the exposure mode needs to be adjusted to prevent overexposure of the captured image. FIG. 3 shows a realization process of controlling the exposure mode of the shooting device 200 according to the shooting field of view. As shown in FIG. 3, the specific realization process of S202 may include:

S301: Determine the size information (referred to as the size information for short) of the search area of the lighting device 300 in the shooting field of view;

Wherein, the size information may include at least one of the following: coordinate information of a specific location of the searched area, the area of the searched area, the area ratio of the searched area, and the layout of the searched area. The specific position may include: the center position of the searched area and/or the edge position of the searched area. Of course, the specific position may also include other positions of the searched area. The area ratio of the searchlight area is the area of the searchlight area/the area of the shooting field of view, and the layout of the searchlight area may include information such as the number and/or shape of the searchlight area. It can be understood that the size information is not limited to the above-listed ones, and may also be other.

The size information is determined, which is equivalent to the size information of the searched area in the shooting frame of the locked camera 200. In this embodiment, the implementation of determining the size information may include, but is not limited to, the following two:

The first method is to obtain the shooting distance of the shooting device 200 and the shooting parameters of the shooting device 200, and determine the size information according to the shooting distance of the shooting device 200 and the shooting parameters of the shooting device 200. This implementation method is suitable for the fixed posture of the shooting device 200. Changed usage scenarios.

The second method is to obtain the shooting distance, shooting parameters, and posture of the shooting device 200; determine the size information according to the shooting distance, shooting parameters, and the posture of the shooting device 200. This implementation not only considers the shooting distance and shooting parameters, but also considers the attitude of the camera 200, so it is suitable for use scenarios where the attitude of the camera 200 is variable, thereby improving the scene compatibility of the drone.

The shooting parameters in the foregoing implementation manner may include: the field angle and/or focal length, but are not limited to the field angle and/or focal length, and may also include other shooting parameters of the shooting device 200.

S302: Control the exposure mode of the photographing device 200 according to the size information.

In this embodiment, the exposure mode of the photographing device 200 is adjusted according to the size information, so as to ensure that the brightness of the searchlight area in the photographed image is normal and prevent the photographed image from being overexposed.

The embodiment shown in FIG. 3 only considers size information when adjusting the exposure mode. In some embodiments, in order to better prevent overexposure of the shooting image, especially the searchlight area in the shooting image, when adjusting the exposure mode, not only the size information, but also the brightness of the searchlight area of the lighting device 300 is considered. Information (abbreviated as brightness information).

For example, in some examples, the control parameters of the lighting device 300 are fixed and the brightness information corresponds to the size information. After the brightness information is determined, the size information can be further determined according to the brightness information; after the size information is determined, the size information can also be further determined. Determine the brightness information based on the size information. For example, after determining the size of one of the brightness information and the size information, the size of the other one of the brightness information and the size information can be determined by looking up the table; the size of the other of the brightness information and the size information can also be calculated through a preset model . For example, the drone can determine the brightness information according to the shooting distance of the camera 200; and then determine the size information according to the brightness information. Optionally, as shown in FIG. 4, S302 specifically includes: determining brightness information according to the size information; and controlling the exposure mode of the photographing device 200 according to the brightness information.

In other examples, the control parameters of the lighting device 300 are variable, for example, the intensity of the light emitted by the lighting device 300 is variable and/or the size and/or shape of the search area of the lighting device 300 is variable, etc. At this time, the brightness information and the size information are also variable, and there may not be a corresponding relationship between the brightness information and the size information. Therefore, when adjusting the exposure mode, the brightness information and the size information need to be considered comprehensively. Specifically, as shown in FIG. 5, after the drone of this embodiment obtains an indication signal for instructing the drone to perform exposure control, it also obtains brightness information; and controls the camera 200 according to the shooting field of view. The exposure mode is specifically used to control the exposure mode of the camera 200 according to the size information and brightness information.

The drone controls the exposure mode of the camera 200 by controlling at least one of the metering mode of the camera 200, the metering weight of the camera 200, and the gamma curve of the camera 200, but it is not limited to this. For example, when the brightness information of the searchlight area is used to indicate that the brightness of the searchlight area is relatively large, the gamma value of the part corresponding to the searchlight area in the gamma curve is reduced, so that the The brightness is reduced to prevent overexposure of the searchlight area.

Generally speaking, for the overall shooting picture, taking into account the beauty of the picture and other factors, the searchlight area in the shooting picture will not be particularly large, only small or relatively small. Optionally, the case where the searchlight area is small includes: the area of the searchlight area is less than the first preset area threshold, or the area ratio of the searchlight area is less than the first preset area ratio. The case where the searchlight area is relatively small includes: the area of the searchlight area is greater than or equal to the first preset area threshold, or the area ratio of the searchlight area is greater than or equal to the first preset area ratio. If the corresponding area is greater than or equal to the second preset area threshold, or the area ratio is greater than or equal to the second preset area ratio, the search area is considered to be larger. Wherein, the first preset area threshold value<the second preset area threshold value, and the size of the first preset area threshold value and the second preset area threshold value can be set according to actual exposure design requirements. In addition, it can be understood that the larger the area of the searchlight area, the larger the area of the searchlight area.

Therefore, when the size information is different, the strategies for controlling the selection of the exposure mode are also different. For example, in some embodiments, the shooting control method may further include: if the area of the search area of the lighting device 300 is smaller than the first The preset area threshold value, or the area ratio of the search area is less than the first preset area ratio, the camera 200 is controlled to switch from the average metering mode to the spot metering mode. In this embodiment, the searchlight area is very small. If the photographing device 200 continues to use the average metering mode, the corresponding exposure parameters (aperture, shutter, sensitivity) cannot accurately lock the color of the searchlight area, which may cause the shooting image The searchlight area is overexposed due to excessive brightness, resulting in poor image quality. The spot metering mode is used to make the camera 200 reset its exposure parameters. The reset exposure parameters can make the camera 200 accurately lock the searchlight The color of the area prevents overexposure of the searchlight area.

In some embodiments, if the searchlight area is relatively small and large, it is necessary to focus on the exposure performance of the searchlight area to prevent exposure of the searchlight area. In this embodiment, the shooting control method further includes: if the area of the searched area of the lighting device 300 is greater than or equal to the first preset area threshold, or the area of the searched area is greater than or equal to the first preset area In contrast, when the camera 200 is in the average metering mode, the metering weight of the searched area is adjusted. When the search area is relatively small and large, the exposure parameters of the camera 200 can be reset by adjusting the light metering weight of the search area, so that the camera 200 can accurately search the color of the area and prevent the search area from being overexposed. Specifically, when the searchlight area is relatively small, if the area of the searchlight area is greater than or equal to the first preset area threshold and less than the second preset area threshold, or the area of the searchlight area is less than the first preset area If the proportion is less than the proportion of the second preset area, the light metering weight of the searchlight area is increased. When the search area is large, if the area of the search area is greater than or equal to the second preset area threshold, or the area ratio of the search area is greater than or equal to the second preset area ratio, then the area of the search area is reduced. Metering weight.

Generally, for the same lighting device 300, the size of the searchlight area in the shooting field of view is negatively related to the field of view and the shooting distance. For example, the larger the field of view, the farther the shooting distance, the searchlight area is in the shooting field of view. The smaller the size, the drone can also be uncertain about the size information and/or brightness information, but instead control the exposure mode of the camera 200 according to the parameters of the camera 200 that can affect the scale information and/or brightness information. For example, in some In an embodiment, the shooting control method further includes: if the field of view of the camera 200 is greater than or equal to the preset threshold of field of view, and the shooting distance of the camera 200 is greater than or equal to the preset distance threshold, controlling the camera 200 In spot metering mode. In this embodiment, when the field of view of the camera 200 is greater than or equal to the preset threshold of field of view, and the shooting distance of the camera 200 is greater than or equal to the preset distance threshold, it means that the searchlight area is very small. Using the average metering mode, the corresponding exposure parameters (aperture, shutter, sensitivity) cannot accurately lock the color of the searchlight area, which is likely to cause the searchlight area of the shooting screen to be overexposed due to excessive brightness, resulting in image quality However, the spot metering mode is used to reset the exposure parameters of the camera 200. The reset exposure parameters enable the camera 200 to accurately lock the color of the searchlight area and prevent the searchlight area from being overexposed.

Among them, the preset field angle threshold and the preset distance threshold are both empirical values.

In addition, in some embodiments, after the drone controls the exposure mode of the camera 200 according to the shooting field of view, it also needs to adjust other areas in the shooting frame of the camera 200 except the searchlight area (hereinafter referred to as “ The brightness value of a region) to ensure that the first region also has a certain degree of visibility. Optionally, the drone can adjust the brightness value of the first area by adjusting the gamma curve of the camera 200. For example, when the brightness value of the first area is less than or equal to the preset brightness threshold, the gamma value of the corresponding part of the gamma curve is increased to increase the brightness value of the first area to ensure that the first area has a certain degree of visibility.

In addition, an embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by the processor 400, the steps of the drone shooting control method of the foregoing embodiment are implemented.

A person of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be implemented by instructing relevant hardware through a computer program. The program can be stored in a computer readable storage medium. During execution, it may include the procedures of the above-mentioned method embodiments. Wherein, the storage medium may be a magnetic disk, an optical disc, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.

The above-disclosed are only some embodiments of the present invention, which of course cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

A photographing control method of an unmanned aerial vehicle, the unmanned aerial vehicle is equipped with a photographing device and a lighting device; characterized in that, the method includes:

If an instruction signal for instructing the drone to perform exposure control is acquired, acquiring the shooting field of view of the shooting device;

According to the shooting field of view, the exposure mode of the shooting device is controlled.
The method according to claim 1, wherein the controlling the exposure mode of the photographing device according to the photographing field of view comprises:

Determining the size information of the searchlight area of the lighting device within the shooting field of view;

According to the size information, the exposure mode of the photographing device is controlled.
The method according to claim 2, wherein the determining the size information of the searchlight area of the lighting device in the shooting field of view comprises:

Acquiring the shooting distance of the shooting device and the shooting parameters of the shooting device, or the shooting distance, the shooting parameters, and the posture of the shooting device;

The size information is determined according to the shooting distance of the shooting device and the shooting parameters of the shooting device, or the shooting distance, the shooting parameters, and the posture of the shooting device.
The method according to claim 3, wherein the shooting parameters include: field angle and/or focal length.
The method according to claim 3, wherein the size information comprises:

The coordinate information of the specific location of the searchlight area, and/or the area of the searchlight area, and/or the area ratio of the searchlight area, and/or the layout of the searchlight area.
The method according to claim 5, wherein the specific position comprises: a center position of the searchlight area and/or an edge position of the searchlight area.
The method according to claim 2, wherein the controlling the exposure mode of the photographing device according to the size information comprises:

Determine the brightness information of the searchlight area according to the size information;

According to the brightness information, the exposure mode of the photographing device is controlled.
The method according to claim 2, characterized in that, after obtaining the indication signal for instructing the drone to perform exposure control, the method further comprises:

Acquiring brightness information of the search area of the lighting device;

According to the shooting field of view, controlling the exposure mode of the shooting device includes:

According to the size information and the brightness information, the exposure mode of the photographing device is controlled.
The method according to any one of claims 1 to 8, wherein the controlling the exposure mode of the photographing device comprises:

Control at least one of the following: the metering mode of the camera, the metering weight of the camera, and the gamma curve of the camera.
The method according to claim 9, wherein the method further comprises:

If the area of the search illuminated area of the lighting device is less than the first preset area threshold, or the area ratio of the search area is less than the first preset area ratio, control the shooting device to switch from the average metering mode To spot metering mode.
The method according to claim 9, wherein the method further comprises:

If the area of the searchlight area of the lighting device is greater than or equal to the first preset area threshold, or the area ratio of the search area is greater than or equal to the first preset area ratio, then the camera is in the average In the light metering mode, adjust the light metering weight of the searchlight area.
The method of claim 11, wherein the method further comprises:

If the area of the searchlight area is greater than or equal to the first preset area threshold and less than the second preset area threshold, or the area ratio of the searchlight area is less than the first preset area ratio and less than the second The preset area ratio increases the photometric weight of the searchlight area.
The method of claim 11, wherein the method further comprises:

If the area of the searchlight area is greater than or equal to the second preset area threshold, or the area ratio of the searchlight area is greater than or equal to the second preset area ratio, then the photometry of the searchlight area is reduced Weights.
The method according to claim 9, wherein the method further comprises:

If the field of view of the camera is greater than or equal to the preset threshold of field of view, and the shooting distance of the camera is greater than or equal to the preset distance threshold, the camera is controlled to be in the spot metering mode.
The method according to claim 3, wherein the camera is mounted on the drone via a pan/tilt, and the attitude of the camera is determined according to the attitude of the pan/tilt and/or the attitude of the drone .
The method according to claim 1, wherein before said acquiring the shooting field of view of the shooting device, the method further comprises:

It is determined that the lighting device is turned on.
The method according to claim 1, wherein the acquiring an indication signal for instructing the drone to perform exposure control comprises:

When the lighting device is turned on, it is determined that an instruction signal for instructing the drone to perform exposure control is acquired; or,

It is determined that at least one of the posture of the shooting device, the shooting field of view of the shooting device, and the shooting distance of the shooting device has changed.
The method according to claim 1, wherein after the controlling the exposure mode of the shooting device according to the shooting field of view, the method further comprises:

Adjust the brightness value of other areas in the shooting frame of the shooting device except the searchlight area.
18. The method according to claim 18, wherein the adjusting the brightness value of other areas in the shooting frame of the shooting device except the searchlight area comprises:

The gamma curve of the photographing device is adjusted to adjust the brightness value of other areas in the photographing frame except the searchlight area.
An unmanned aerial vehicle, characterized in that the unmanned aerial vehicle comprises:

body;

The camera is mounted on the body;

The lighting equipment is provided in the body; and

The processor is electrically connected to the photographing device and the lighting equipment respectively, and the processor is configured to:

If an instruction signal for instructing the drone to perform exposure control is acquired, acquiring the shooting field of view of the shooting device;

According to the shooting field of view, the exposure mode of the shooting device is controlled.
The drone according to claim 20, wherein the processor is specifically configured to: when controlling the exposure mode of the shooting device according to the shooting field of view:

Determining the size information of the searchlight area of the lighting device within the shooting field of view;

According to the size information, the exposure mode of the photographing device is controlled.
The UAV according to claim 21, wherein the processor is specifically configured to: when determining the size information of the search area of the lighting device within the shooting field of view:

Acquiring the shooting distance of the shooting device and the shooting parameters of the shooting device, or the shooting distance, the shooting parameters, and the posture of the shooting device;

The size information is determined according to the shooting distance of the shooting device and the shooting parameters of the shooting device, or the shooting distance, the shooting parameters, and the posture of the shooting device.
The UAV according to claim 22, wherein the shooting parameters include: a field of view and/or a focal length.
The UAV according to claim 22, wherein the size information comprises:

The coordinate information of the specific location of the searchlight area, and/or the area of the searchlight area, and/or the area ratio of the searchlight area, and/or the layout of the searchlight area.
The drone according to claim 24, wherein the specific position comprises: a center position of the searchlight area and/or an edge position of the searchlight area.
The drone according to claim 21, wherein the processor is specifically configured to: when controlling the exposure mode of the photographing device according to the size information:

Determine the brightness information of the searchlight area according to the size information;

According to the brightness information, the exposure mode of the photographing device is controlled.
The UAV according to claim 21, wherein the processor is further configured to: after acquiring the instruction signal for instructing the UAV to perform exposure control:

Acquiring brightness information of the search area of the lighting device;

According to the shooting field of view, controlling the exposure mode of the shooting device includes:

According to the size information and the brightness information, the exposure mode of the photographing device is controlled.
The unmanned aerial vehicle according to any one of claims 20 to 27, wherein the processor is specifically configured to: when controlling the exposure mode of the photographing device:

Control at least one of the following: the metering mode of the camera, the metering weight of the camera, and the gamma curve of the camera.
The UAV according to claim 28, wherein the processor is further configured to:

If the area of the search illuminated area of the lighting device is less than the first preset area threshold, or the area ratio of the search area is less than the first preset area ratio, control the shooting device to switch from the average metering mode To spot metering mode.
The UAV according to claim 28, wherein the processor is further configured to:

If the area of the searchlight area of the lighting device is greater than or equal to the first preset area threshold, or the area ratio of the search area is greater than or equal to the first preset area ratio, then the camera is in the average In the light metering mode, adjust the light metering weight of the searchlight area.
The drone according to claim 30, wherein the processor is further configured to:

If the area of the searchlight area is greater than or equal to the first preset area threshold and less than the second preset area threshold, or the area ratio of the searchlight area is less than the first preset area ratio and less than the second The preset area ratio increases the photometric weight of the searchlight area.
The drone according to claim 30, wherein the processor is further configured to:

If the area of the searchlight area is greater than or equal to the second preset area threshold, or the area ratio of the searchlight area is greater than or equal to the second preset area ratio, then the photometry of the searchlight area is reduced Weights.
The UAV according to claim 28, wherein the processor is further configured to:

If the field of view of the camera is greater than or equal to the preset threshold of field of view, and the shooting distance of the camera is greater than or equal to the preset distance threshold, the camera is controlled to be in the spot metering mode.
The UAV according to claim 22, wherein the camera is mounted on the UAV via a pan/tilt, and the processor is used for determining the attitude of the pan/tilt and/or the attitude of the UAV. Determine the posture of the camera.
The drone of claim 20, wherein the processor is further configured to: before acquiring the shooting field of view of the shooting device:

It is determined that the lighting device is turned on.
The drone according to claim 20, wherein when the processor obtains an instruction signal for instructing the drone to perform exposure control, it is specifically configured to:

When the lighting device is turned on, it is determined that an instruction signal for instructing the drone to perform exposure control is acquired; or,

It is determined that at least one of the posture of the shooting device, the shooting field of view of the shooting device, and the shooting distance of the shooting device has changed.
The drone of claim 20, wherein the processor is further configured to: after controlling the exposure mode of the shooting device according to the shooting field of view:

Adjust the brightness value of other areas in the shooting frame of the shooting device except the searchlight area.
The unmanned aerial vehicle according to claim 37, wherein the processor is specifically configured to: when adjusting the brightness value of other areas except the searchlight area in the shooting picture of the shooting device:

The gamma curve of the photographing device is adjusted to adjust the brightness value of other areas in the photographing frame except the searchlight area.