WO2021217349A1

WO2021217349A1 - Focusing processing method, terminal, infrared device, system, unmanned aerial vehicle, and medium

Info

Publication number: WO2021217349A1
Application number: PCT/CN2020/087270
Authority: WO
Inventors: 张青涛; 赵新涛; 雷蕾
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-11-04

Abstract

Disclosed are a focusing processing method, a terminal, an infrared device, a system, an unmanned aerial vehicle, and a medium. The method comprises: receiving a target image set sent by an infrared device, wherein the target image set comprises multiple images, and the multiple images are generated by the infrared device when a user adjusts the focusing distance of the infrared device; and analyzing images in the target image set to generate a focusing sharpness curve, wherein the focusing sharpness curve is used for a user to adjust the focusing distance of the infrared device according to the focusing sharpness curve. By means of the embodiments, the focusing effect is optimized and the focusing accuracy is improved.

Description

Focus processing method, terminal, infrared equipment, system, drone and medium

Technical field

The present invention relates to the field of control technology, in particular to a focus processing method, terminal, infrared equipment, system, unmanned aerial vehicle and medium.

Background technique

Infrared imaging equipment is expensive. In many cases, it has a fixed focal length and does not support autofocus. After the device leaves the factory, the focal length is fixed, which brings inconvenience to users. For example, some users need to focus to infinity, while some users do It needs to focus to a short distance such as 1m, and the fixed focal length brings inconvenience and restriction to users. For the sake of temperature measurement accuracy, the infrared device will confirm the focus distance and lock it before leaving the factory.

At present, the determination of whether an infrared device is focused clearly depends on human eyes, and subjective judgments are often not accurate enough, which will cause the infrared device to produce blurry images, difficult to accurately quantify the focus distance, and user-defined focus distances are even more inaccurate.

Summary of the invention

The embodiment of the present invention provides a focusing processing method, terminal, infrared equipment, system, drone, and medium, which optimizes the focusing effect and improves the efficiency and accuracy of focusing.

In the first aspect, an embodiment of the present invention provides a focus processing method, which is applied to a terminal, and the method includes:

Receiving a target image set sent by an infrared device, where the target image set includes multiple images, the multiple images being generated by the infrared device when the user adjusts the focus distance of the infrared device;

The images in the target image set are analyzed to generate a focus definition curve, and the focus definition curve is used for the user to adjust the focus distance of the infrared device according to the focus definition curve.

In the second aspect, an embodiment of the present invention provides another focus processing method, which is applied to an infrared device, and the method includes:

Acquiring a target image set generated when the user adjusts the focus distance of the infrared device, where the target image set includes multiple images;

Send the target image set to the terminal, so that the terminal analyzes the images in the target image set, and generates a focus definition curve, where the focus definition curve is used by the user according to the focus definition curve Adjust the focus distance of the infrared device.

In the third aspect, an embodiment of the present invention provides a terminal, including a memory, a processor, and a communication interface;

The memory is used to store program instructions;

The processor executes the program instructions stored in the memory, and when the program instructions are executed, the processor is configured to execute the following steps:

Receiving a target image set sent by an infrared device through a communication interface, where the target image set includes multiple images, and the multiple images are generated by the infrared device when the user adjusts the focus distance of the infrared device;

In a fourth aspect, an embodiment of the present invention provides an infrared device, including a memory, a processor, and a communication interface;

The memory is used to store program instructions;

The target image set is sent to the terminal through the communication interface, so that the terminal analyzes the images in the target image set and generates a focus definition curve, which is used by the user according to the focus The sharpness curve adjusts the focusing distance of the infrared device.

In a fifth aspect, an embodiment of the present invention provides a focus processing system, including a terminal and an infrared device;

The infrared device is configured to obtain a target image set generated when a user adjusts the focus distance of the infrared device, the target image set includes multiple images, and the target image set is sent to a terminal;

The terminal is configured to receive a target image set sent by an infrared device, and analyze the images in the target image set to generate a focus sharpness curve, and the focus sharpness curve is used for the user according to the focus sharpness The degree curve adjusts the focusing distance of the infrared device.

In a sixth aspect, an embodiment of the present invention provides a drone, including:

body;

The power system configured on the fuselage is used to provide the moving power for the UAV;

Infrared equipment mounted on the UAV;

Processor for:

In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the above-mentioned first or second aspect is implemented. Focus processing method.

In the embodiment of the present invention, the target image set sent by the infrared device is received, and the target image set includes multiple images generated by the infrared device when the user adjusts the focus distance of the infrared device, and the images in the target image set are analyzed to A focus definition curve is generated for the user to adjust the focus distance of the infrared device according to the focus definition curve, thereby optimizing the focusing effect and improving the efficiency and accuracy of focusing.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the embodiments. Obviously, the drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings.

FIG. 1 is a schematic structural diagram of a focus processing system provided by an embodiment of the present invention;

2 is a schematic flowchart of a focus processing method provided by an embodiment of the present invention;

3 is a schematic diagram of a focus sharpness curve provided by an embodiment of the present invention;

4 is a schematic flowchart of another focus processing method provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a terminal provided by an embodiment of the present invention;

Fig. 6 is a schematic structural diagram of an infrared device provided by an embodiment of the present invention.

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.

In the following, some embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

The focus processing method provided in the embodiment of the present invention may be executed by a focus processing system. In some embodiments, the focus processing system includes a terminal and an infrared device. In some embodiments, the infrared device includes, but is not limited to, infrared thermal imaging devices, infrared cameras, thermometers, detectors, etc.; In some embodiments, the terminal includes, but is not limited to, one or more of a remote control device, a smart phone, a tablet computer, a laptop computer, and a wearable device. In some embodiments, a communication connection is established between the infrared device and the terminal.

The focus processing system provided by the embodiment of the present invention will be schematically described below with reference to FIG. 1.

Please refer to FIG. 1, which is a schematic structural diagram of a focus processing system according to an embodiment of the present invention. The focus processing system includes: an infrared device 11, a terminal 12, and an external scene 13. In some embodiments, the infrared device 11 and the terminal 12 may establish a communication connection through a wireless communication connection. Among them, in some scenarios, the infrared device 11 and the terminal 12 may also be connected through a wired communication connection. Establish a communication connection. In some embodiments, the infrared device 11 can receive the heat radiation signal emitted by the external scene 13. In some embodiments, the terminal 12 may include one or more of a remote control device, a smart phone, a tablet computer, a laptop computer, a wearable device, and the like. In some embodiments, the infrared device 11 includes, but is not limited to, one or more of an infrared thermal imaging device, an infrared camera, a thermometer, a detector, and the like. In some embodiments, the external scene 13 may include any one or more of a focus plate, an object with infrared texture, and an object with edge information; in some embodiments, the focus plate may be Temperature-controllable focus chart board; in some embodiments, the focus chart board can be a four-bar target, a half-moon target, a blade edge target and other various objects with high-frequency information shapes.

In the embodiment of the present invention, the target image set sent by the infrared device is received through the terminal. The target image set includes multiple images generated by the infrared device when the user adjusts the focus distance of the infrared device, and the images in the target image set are analyzed to generate The focus definition curve allows the user to adjust the focus distance of the infrared device according to the focus definition curve, so as to optimize the focus effect and improve the accuracy of focus.

In one embodiment, the user can select the focus mode through a remote control, a computer, and other terminals, and find any one or more of a fixed focus plate, an object with infrared texture, and an object with edge information as an external scene. The infrared device and the external scene can be adjusted to a proper distance according to the focus distance requirements. The focus distance of the infrared device can be adjusted by screwing the thread structure of the infrared device. The infrared device can process the thermal radiation signal received from the external scene, and The processed target images are combined and sent to the terminal, and the terminal analyzes the images in the target image set through focus evaluation software to generate a focus definition curve for the user to adjust the infrared device's performance according to the focus definition curve. Focus distance, when the focus sharpness curve reaches the peak, it is determined that the focus is completed. By using the focus evaluation software to process the image, the error caused by the focus of the human eye is solved, the focus is more accurate, and the focus distance can be accurately quantified.

The focus processing method proposed by the embodiment of the present invention will be described below with reference to FIG. 2 to FIG. 4.

Please refer to FIG. 2. FIG. 2 is a schematic flowchart of a focus processing method according to an embodiment of the present invention. The method may be executed by a terminal in the focus processing system, wherein the specific explanation of the terminal is as described above. Specifically, the method of the embodiment of the present invention includes the following steps.

S201: Receive a target image set sent by an infrared device, where the target image set includes multiple images, and the multiple images are generated by the infrared device when the user adjusts the focus distance of the infrared device.

In the embodiment of the present invention, the terminal may receive a target image set sent by an infrared device, the target image set includes multiple images, and the multiple images are generated by the infrared device when the user adjusts the focus distance of the infrared device.

In one embodiment, the adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane. In some embodiments, the focusing distance of the infrared device refers to the distance from the lens of the infrared device to the infrared focal plane at right angles, which is the distance inside the camera. In some embodiments, the focus distance of the infrared device here refers to the image distance. For example, if the user's focus distance requirement is from 5 meters to infinity, the shooting object is clear, then the lens of the infrared device can be adjusted through the threaded structure. The distance to the infrared focal plane (for example, mm, um or cm level).

In one embodiment, the method of adjusting the distance between the lens of the infrared device and the infrared focal plane may be to adjust the focus distance by screwing the thread structure of the lens of the infrared device according to the focus distance requirement.

In one embodiment, before receiving the target image set sent by the infrared device, the terminal may obtain the target focus mode determined on the terminal, and in the target focus mode, execute the receiving of the target image set sent by the infrared device. step.

In one embodiment, when acquiring the target focus mode determined on the terminal, the terminal may acquire the selection operation of the focus mode on the user interface of the terminal, and determine the target focus mode according to the selection operation. In some embodiments, the selection operation includes, but is not limited to, any one or more of click operations, pressing operations, and sliding operations.

In one embodiment, each image in the target image set is obtained by processing the thermal radiation signal emitted by the external scene by the infrared device, and the infrared device is at a target distance from the external scene. In some embodiments, the external scene may be a temperature-controllable focusing plate. By introducing a temperature-controllable focusing plate, the consistency of the thermal radiation received by the same batch of infrared devices can be ensured, and the contrast, sharpness and other characteristics of the focusing plate images output by the infrared devices can be guaranteed to be consistent. Consistency of the clarity of batches of infrared thermal imaging equipment.

In one embodiment, the target distance is determined according to the target focus distance required by the user and a preset focus distance table, and the preset focus distance table includes a mapping relationship between different focus distances and different placement distances. , The placement distance is the distance between the infrared device and the external scene; for example, assuming that the focusing distance required by the user is 5 meters to infinity, the calculated placement distance between the infrared device and the external scene can be 9.5 meters.

In one embodiment, the target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula. In some embodiments, the hyperfocal distance formula is:

In an embodiment, the external scene includes any one or more of a focus plate, an object with infrared texture, and an object with edge information. In some embodiments, the focusing plate includes any one or more of a four-bar target, a half moon target, and an edge target. By introducing external scenes, compared to focusing on the real scene, it is less affected by the environment and can more guarantee the accuracy of focusing.

S202: Analyze the images in the target image set to generate a focus definition curve, where the focus definition curve is used for the user to adjust the focus distance of the infrared device according to the focus definition curve.

In the embodiment of the present invention, the terminal may analyze the images in the target image set to generate a focus definition curve, and the focus definition curve is used for the user to adjust the infrared device according to the focus definition curve The focusing distance.

In one embodiment, when the terminal analyzes the images in the target image set to generate a focus definition curve, the focus evaluation software running on the terminal may perform the evaluation on each image in the target image set. Analyze to determine the sharpness of each image, wherein each image corresponds to a sharpness, and the focus sharpness curve is generated according to the sharpness of each image. In some embodiments, the specific evaluation algorithm of the focus evaluation software may include, but is not limited to, an algorithm for judging sharpness or contrast based on modulation transfer function (Modulation Transfer Function, MTF), contrast, and the like.

It can be seen that by introducing the focus evaluation software on the terminal, the change from the trough to the peak of the sharpness curve is more objective and true than the image subjectively felt by the human eye, which ensures the accuracy of focusing.

In one embodiment, the peak of the focus sharpness curve is used to characterize that the focusing distance of the infrared device is adjusted to the target focusing distance, where the peak refers to the point with the highest sharpness in the focus sharpness curve .

In an embodiment, the focus definition curve changes as the user adjusts the focus distance between the infrared device and the infrared focal plane, as shown in FIG. 3, which is a kind of image provided by an embodiment of the present invention. The schematic diagram of the focus definition curve is shown in FIG. 3, the focus definition curve changes with the change of the focus distance, where the peak corresponds to the point with the highest definition.

In one embodiment, first, adjust the distance between the infrared device and the external scene according to the required focus distance, and then adjust the infrared device lens and the infrared focal plane to be in extreme positions (the farthest or the closest), and the user sets the infrared device lens and infrared The distance of the focal plane is adjusted to the other extreme position (closest or farthest). During the adjustment, the image acquired by the terminal undergoes three stages from blur to clear and then to blur. The focus definition curve drawn by the focus evaluation software It is manifested as climbing from the trough to the crest and then falling to the bottom of the wave. When the sharpness curve passes the crest and shows a downward trend, the user stops the current focusing direction and calls back in the opposite direction. When the sharpness value is adjusted back to within a certain range from the peak value, the adjustment is stopped. At this time, it is considered The current sharpness value has reached the peak, and the image has reached sharpness. By introducing the sharpness curve to climb from the trough to the crest, and then adjust back to the crest during the fall, it is ensured that the focusing process can be adjusted to the clearest position of the image, avoiding the stop before reaching the sharpest point. Focusing situation.

In the embodiment of the present invention, the terminal can receive a target image set sent by an infrared device. The target image set includes multiple images. The multiple images are generated by the infrared device when the user adjusts the focus distance of the infrared device. Analyze the image to generate a focus definition curve for the user to adjust the focus distance of the infrared device according to the focus definition curve, thereby optimizing the focus effect and improving the efficiency and accuracy of focusing.

Please refer to FIG. 4, which is a schematic flowchart of another focus processing method according to an embodiment of the present invention. The method may be executed by an infrared device in the focus processing system, wherein the specific explanation of the infrared device is as described above. The method of the embodiment of the present invention includes the following steps.

S401: Acquire a target image set generated when the user adjusts the focus distance of the infrared device, where the target image set includes multiple images.

In the embodiment of the present invention, the infrared device may obtain a target image set generated when the user adjusts the focus distance of the infrared device, and the target image set includes multiple images.

In one embodiment, the adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.

In one embodiment, when the infrared device obtains the target image set generated when the user adjusts the focus distance of the infrared device, it may obtain the heat radiation signal emitted by the external scene when the user adjusts the focus distance of the infrared device. The device is at a target distance from the focus plane, and processes the heat radiation signal to generate a target image set including multiple images.

In one embodiment, the target distance is determined according to the target focus distance required by the user and a preset focus distance table, and the preset focus distance table includes a mapping relationship between different focus distances and different placement distances. The placement distance is the distance between the infrared device and the external scene; or, the target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.

In an embodiment, the external scene includes any one or more of a focus plate, an object with infrared texture, and an object with edge information. In some embodiments, the focusing plate includes any one or more of a four-bar target, a half moon target, and an edge target.

S402: Send the target image set to the terminal, so that the terminal analyzes the images in the target image set, and generates a focus definition curve, where the focus definition curve is used for the user according to the focus clarity The degree curve adjusts the focusing distance of the infrared device.

In the embodiment of the present invention, the infrared device may send the target image set to the terminal, so that the terminal analyzes the images in the target image set and generates a focus definition curve, and the focus definition curve is used for For the user to adjust the focusing distance of the infrared device according to the focusing sharpness curve.

In the embodiment of the present invention, the infrared device can obtain the target image set generated when the user adjusts the focus distance of the infrared device, and the target image set includes multiple images, and sends the target image set to the terminal so that the terminal can collect the target image The image in the image is analyzed, and a focus definition curve is generated, so that the user can adjust the focus distance of the infrared device according to the focus definition curve, thereby optimizing the focusing effect and improving the efficiency and accuracy of focusing.

Please refer to FIG. 5, which is a schematic structural diagram of a terminal according to an embodiment of the present invention. Specifically, the terminal in this embodiment as shown in the figure may include: one or more processors 501; one or more communication interfaces 502 and a memory 503. The aforementioned processor 501, communication interface 502, and memory 503 are connected through a bus 504. The memory 503 is used to store instructions, and the processor 501 is used to execute instructions stored in the memory 503. Wherein, when the program instructions are executed, the processor 501 is configured to execute the following steps:

Receiving a target image set sent by an infrared device through the communication interface 502, where the target image set includes multiple images, and the multiple images are generated by the infrared device when the user adjusts the focus distance of the infrared device;

Further, the adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.

Further, when the processor 501 analyzes the images in the target image set to generate a focus definition curve, it is specifically used for:

Analyze each image in the target image set by focusing evaluation software running on the terminal to determine the sharpness of each image, wherein each image corresponds to a sharpness;

The in-focus sharpness curve is generated according to the sharpness of each image.

Further, the peak of the focus definition curve is used to indicate that the focus distance of the infrared device is adjusted to the target focus distance, where the peak refers to the point with the highest definition in the focus definition curve.

Further, before the processor 501 receives the target image collection sent by the infrared device, it is further configured to:

Acquiring the target focus mode determined on the terminal;

In the target focus mode, the step of receiving the target image set sent by the infrared device is executed.

Further, the processor 501 is specifically configured to: when acquiring the target focus mode determined on the terminal:

Acquiring the selection operation of the focus mode on the user interface of the terminal;

The target focus mode is determined according to the selection operation.

Further, each image in the target image set is obtained by processing the thermal radiation signal emitted by the external scene by the infrared device, and the infrared device is at a target distance from the external scene.

Further, the target distance is determined according to the target focus distance required by the user and a preset focus distance table, and the preset focus distance table includes a mapping relationship between different focus distances and different placement distances. The placement distance is the distance between the infrared device and the external scene; or,

The target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.

Further, the external scene includes any one or more of a focusing plate, an object with infrared texture, and an object with edge information.

Further, the focusing plate includes any one or more of four-bar targets, half-moon targets, and edge-edge targets.

It should be understood that, in this embodiment of the present invention, the processor 501 may be a central processing unit (Central Processing Unit, CPU), and the processor may also be other general-purpose processors or digital signal processors (DSP). , Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.

The memory 503 may include a read-only memory and a random access memory, and provides instructions and data to the processor 501. A part of the memory 503 may also include a non-volatile random access memory. For example, the memory 503 may also store device type information.

For the specific implementation of the processor 501 in the embodiment of the present invention, reference may be made to the description of the relevant content in the foregoing embodiments, which is not repeated here.

Please refer to FIG. 6, which is a schematic structural diagram of an infrared device according to an embodiment of the present invention. Specifically, the terminal in this embodiment as shown in the figure may include: one or more processors 601; one or more communication interfaces 602 and a memory 603. The aforementioned processor 601, communication interface 602, and memory 603 are connected through a bus 604. The memory 603 is used to store instructions, and the processor 601 is used to execute instructions stored in the memory 603. Wherein, when the program instructions are executed, the processor 601 is configured to execute the following steps:

The target image set is sent to the terminal through the communication interface 602, so that the terminal analyzes the images in the target image set and generates a focus definition curve, which is used by the user according to the The focus definition curve adjusts the focus distance of the infrared device.

Further, when the processor 601 obtains the target image set generated when the user adjusts the focus distance of the infrared device, it is specifically used to:

Acquiring a thermal radiation signal emitted by an external scene when the user adjusts the focusing distance of the infrared device, and the infrared device is at a target distance from the focusing plane;

The thermal radiation signal is processed to generate a target image set including a plurality of images.

It should be understood that, in the embodiment of the present invention, the processor 601 may be a central processing unit (Central Processing Unit, CPU), and the processor may also be other general-purpose processors or digital signal processors (DSP). , Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.

The memory 603 may include a read-only memory and a random access memory, and provides instructions and data to the processor 601. A part of the memory 603 may also include a non-volatile random access memory. For example, the memory 603 may also store device type information.

For the specific implementation of the processor 601 in the embodiment of the present invention, reference may be made to the description of related content in the foregoing embodiments, which is not repeated here.

The embodiment of the present invention provides a focus processing system, the system includes: a terminal and an infrared device,

Further, when the terminal analyzes the images in the target image set to generate a focus definition curve, it is specifically used for:

Analyzing each image in the target image set by focusing evaluation software running on the terminal to determine the sharpness of each image, wherein each image corresponds to a sharpness;

Further, before the terminal receives the target image collection sent by the infrared device, it is also used to:

Acquiring the target focus mode determined on the terminal;

Further, when the terminal acquires the target focus mode determined on the terminal, it is specifically used to:

The target focus mode is determined according to the selection operation.

Further, when the infrared device acquires the target image set generated when the user adjusts the focus distance of the infrared device, it is specifically used to:

The embodiment of the present invention also provides an unmanned aerial vehicle, which includes: a fuselage; a power system configured on the fuselage to provide moving power for the unmanned aerial vehicle; an infrared device mounted on the unmanned aerial vehicle; a processor, It is used to obtain a set of target images generated when the user adjusts the focus distance of the infrared device, the set of target images includes multiple images; and the set of target images is sent to the terminal so that the terminal can compare the set of target images The image in the image is analyzed, and a focus definition curve is generated, and the focus definition curve is used for the user to adjust the focus distance of the infrared device according to the focus definition curve.

Further, when the processor obtains the target image set generated when the user adjusts the focus distance of the infrared device, it is specifically used to:

It should be understood that, in the embodiment of the present invention, the processor may be a central processing unit (Central Processing Unit, CPU), and the processor may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSPs), Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.

The memory may include a read-only memory and a random access memory, and provides instructions and data to the processor. A part of the memory may also include a non-volatile random access memory. For example, the memory can also store device type information.

For the specific implementation of the processor in the embodiment of the present invention, reference may be made to the description of the relevant content in the foregoing embodiments, which is not repeated here.

The embodiment of the present invention also provides a computer-readable storage medium, the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements The described focusing processing method can also be implemented in the terminal corresponding to the embodiment of the present invention described in FIG. 5 or the infrared device in the corresponding embodiment of the present invention described in FIG. 6, and will not be repeated here.

The computer-readable storage medium may be an internal storage unit of the device described in any of the foregoing embodiments, such as a hard disk or memory of the device. The computer-readable storage medium may also be an external storage device of the device, such as a plug-in hard disk equipped on the device, a Smart Media Card (SMC), or a Secure Digital (SD) card. , Flash Card, etc. Further, the computer-readable storage medium may also include both an internal storage unit of the device and an external storage device. The computer-readable storage medium is used to store the computer program and other programs and data required by the terminal. The computer-readable storage medium can also be used to temporarily store data that has been output or will be output.

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 can 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 the preferred embodiments of the present invention, which of course cannot be used to limit the scope 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 focus processing method, characterized in that it is applied to a terminal, and the method includes:

Receiving a target image set sent by an infrared device, where the target image set includes multiple images, the multiple images being generated by the infrared device when the user adjusts the focus distance of the infrared device;

The images in the target image set are analyzed to generate a focus definition curve, and the focus definition curve is used for the user to adjust the focus distance of the infrared device according to the focus definition curve.
The method of claim 1, wherein:

The adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.
The method according to claim 1, wherein the analyzing the images in the target image set to generate a focus definition curve comprises:

Analyzing each image in the target image set by focusing evaluation software running on the terminal to determine the sharpness of each image, wherein each image corresponds to a sharpness;

The in-focus sharpness curve is generated according to the sharpness of each image.
The method of claim 3, wherein:

The peak of the focus definition curve is used to indicate that the focus distance of the infrared device is adjusted to the target focus distance, where the peak refers to the point with the highest definition in the focus definition curve.
The method according to claim 1, wherein before the receiving the target image set sent by the infrared device, the method further comprises:

Acquiring the target focus mode determined on the terminal;

In the target focus mode, the step of receiving the target image set sent by the infrared device is executed.
The method according to claim 5, wherein said acquiring the target focus mode determined on the terminal comprises:

Acquiring the selection operation of the focus mode on the user interface of the terminal;

The target focus mode is determined according to the selection operation.
The method of claim 5, wherein:

Each image in the target image set is obtained by processing the thermal radiation signal emitted by the external scene by the infrared device, and the infrared device is at a target distance from the external scene.
The method according to claim 7, wherein:

The target distance is determined according to the target focus distance required by the user and a preset focus distance table. The preset focus distance table includes a mapping relationship between different focus distances and different placement distances, and the placement distance is The distance between the infrared device and the external scene; or,

The target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.
The method according to claim 7, wherein:

The external scene includes any one or more of a focusing plate, an object with infrared texture, and an object with edge information.
The method according to claim 9, wherein the focusing plate comprises any one or more of a four-bar target, a half-moon target, and an edge target.
A focus processing method, characterized in that it is applied to an infrared device, and the method includes:

Acquiring a target image set generated when the user adjusts the focus distance of the infrared device, where the target image set includes multiple images;

Send the target image set to the terminal, so that the terminal analyzes the images in the target image set, and generates a focus definition curve, where the focus definition curve is used by the user according to the focus definition curve Adjust the focus distance of the infrared device.
The method according to claim 11, wherein:

The adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.
The method according to claim 11, wherein said acquiring a set of target images generated when a user adjusts the focus distance of the infrared device comprises:

Acquiring a thermal radiation signal emitted by an external scene when the user adjusts the focusing distance of the infrared device, and the infrared device is at a target distance from the focusing plane;

The thermal radiation signal is processed to generate a target image set including a plurality of images.
The method of claim 13, wherein:

The target distance is determined according to the target focus distance required by the user and a preset focus distance table. The preset focus distance table includes a mapping relationship between different focus distances and different placement distances, and the placement distance is The distance between the infrared device and the external scene; or,

The target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.
The method of claim 13, wherein:

The external scene includes any one or more of a focusing plate, an object with infrared texture, and an object with edge information.
The method according to claim 15, wherein the focusing plate comprises any one or more of a four-bar target, a half moon target, and an edge target.
A terminal, characterized in that it comprises a memory, a processor and a communication interface;

The memory is used to store program instructions;

The processor executes the program instructions stored in the memory, and when the program instructions are executed, the processor is configured to execute the following steps:

Receiving a target image set sent by an infrared device through a communication interface, where the target image set includes multiple images, and the multiple images are generated by the infrared device when the user adjusts the focus distance of the infrared device;

The images in the target image set are analyzed to generate a focus definition curve, and the focus definition curve is used for the user to adjust the focus distance of the infrared device according to the focus definition curve.
The terminal according to claim 17, wherein:

The adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.
The terminal according to claim 17, wherein when the processor analyzes the images in the target image set to generate a focus definition curve, it is specifically used for:

Analyzing each image in the target image set by focusing evaluation software running on the terminal to determine the sharpness of each image, wherein each image corresponds to a sharpness;

The in-focus sharpness curve is generated according to the sharpness of each image.
The terminal according to claim 19, wherein:

The peak of the focus definition curve is used to indicate that the focus distance of the infrared device is adjusted to the target focus distance, where the peak refers to the point with the highest definition in the focus definition curve.
The terminal according to claim 17, wherein before the processor receives the target image collection sent by the infrared device, it is further configured to:

Acquiring the target focus mode determined on the terminal;

In the target focus mode, the step of receiving the target image set sent by the infrared device is executed.
The terminal according to claim 21, wherein when the processor acquires the target focus mode determined on the terminal, it is specifically configured to:

Acquiring the selection operation of the focus mode on the user interface of the terminal;

The target focus mode is determined according to the selection operation.
The terminal according to claim 21, wherein:

Each image in the target image set is obtained by processing the thermal radiation signal emitted by the external scene by the infrared device, and the infrared device is at a target distance from the external scene.
The terminal according to claim 23, wherein:

The target distance is determined according to the target focus distance required by the user and a preset focus distance table. The preset focus distance table includes a mapping relationship between different focus distances and different placement distances, and the placement distance is The distance between the infrared device and the external scene; or,

The target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.
The terminal according to claim 23, wherein:

The external scene includes any one or more of a focusing plate, an object with infrared texture, and an object with edge information.
The terminal according to claim 25, wherein the focusing plate comprises any one or more of a four-bar target, a half-moon target, and an edge target.
An infrared device, characterized in that it comprises a memory, a processor and a communication interface;

The memory is used to store program instructions;

The processor executes the program instructions stored in the memory, and when the program instructions are executed, the processor is configured to execute the following steps:

Acquiring a target image set generated when the user adjusts the focus distance of the infrared device, where the target image set includes multiple images;

The target image set is sent to the terminal through the communication interface, so that the terminal analyzes the images in the target image set and generates a focus definition curve, which is used by the user according to the focus The sharpness curve adjusts the focusing distance of the infrared device.
The infrared device according to claim 27, wherein:

The adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.
The infrared device according to claim 27, wherein when the processor obtains the target image set generated when the user adjusts the focus distance of the infrared device, it is specifically configured to:

Acquiring a thermal radiation signal emitted by an external scene when the user adjusts the focusing distance of the infrared device, and the infrared device is at a target distance from the focusing plane;

The thermal radiation signal is processed to generate a target image set including a plurality of images.
The infrared device of claim 29, wherein:

The target distance is determined according to the target focus distance required by the user and a preset focus distance table. The preset focus distance table includes a mapping relationship between different focus distances and different placement distances, and the placement distance is The distance between the infrared device and the external scene; or,

The target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.
The infrared device of claim 29, wherein:

The external scene includes any one or more of a focusing plate, an object with infrared texture, and an object with edge information.
The infrared device according to claim 31, wherein the focusing plate comprises any one or more of a four-bar target, a half-moon target, and an edge target.
A focus processing system, which is characterized by comprising: a terminal and an infrared device,

The infrared device is configured to obtain a target image set generated when a user adjusts the focus distance of the infrared device, the target image set includes multiple images, and the target image set is sent to a terminal;

The terminal is configured to receive a target image set sent by an infrared device, and analyze the images in the target image set to generate a focus sharpness curve, and the focus sharpness curve is used for the user according to the focus sharpness The degree curve adjusts the focusing distance of the infrared device.
The system of claim 33, wherein:

The adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.
The system according to claim 33, wherein when the terminal analyzes the images in the target image set to generate a focus definition curve, it is specifically used for:

Analyzing each image in the target image set by focusing evaluation software running on the terminal to determine the sharpness of each image, wherein each image corresponds to a sharpness;

The in-focus sharpness curve is generated according to the sharpness of each image.
The system of claim 35, wherein:

The peak of the focus definition curve is used to indicate that the focus distance of the infrared device is adjusted to the target focus distance, where the peak refers to the point with the highest definition in the focus definition curve.
The system according to claim 33, wherein before the terminal receives the target image set sent by the infrared device, it is further used for:

Acquiring the target focus mode determined on the terminal;

In the target focus mode, the step of receiving the target image set sent by the infrared device is executed.
The system according to claim 37, wherein when the terminal acquires the target focus mode determined on the terminal, it is specifically used to:

Acquiring the selection operation of the focus mode on the user interface of the terminal;

The target focus mode is determined according to the selection operation.
The system of claim 37, wherein:

Each image in the target image set is obtained by processing the thermal radiation signal emitted by the external scene by the infrared device, and the infrared device is at a target distance from the external scene.
The system of claim 39, wherein:

The target distance is determined according to the target focus distance required by the user and a preset focus distance table. The preset focus distance table includes a mapping relationship between different focus distances and different placement distances, and the placement distance is The distance between the infrared device and the external scene; or,

The target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.
The system of claim 39, wherein:

The external scene includes any one or more of a focusing plate, an object with infrared texture, and an object with edge information.
The system according to claim 41, wherein the focusing plate comprises any one or more of a four-bar target, a half-moon target, and an edge target.
The system according to claim 33, wherein when the infrared device acquires the target image set generated when the user adjusts the focus distance of the infrared device, it is specifically used for:

Acquiring a thermal radiation signal emitted by an external scene when the user adjusts the focusing distance of the infrared device, and the infrared device is at a target distance from the focusing plane;

The thermal radiation signal is processed to generate a target image set including a plurality of images.
An unmanned aerial vehicle, characterized in that it includes:

body;

The power system configured on the fuselage is used to provide the moving power for the UAV;

Infrared equipment mounted on the UAV;

Processor for:

Acquiring a target image set generated when the user adjusts the focus distance of the infrared device, where the target image set includes multiple images;

Send the target image set to the terminal, so that the terminal analyzes the images in the target image set, and generates a focus definition curve, where the focus definition curve is used by the user according to the focus definition curve Adjust the focus distance of the infrared device.
The drone according to claim 44, wherein:

The adjustment of the focusing distance of the infrared device is achieved by adjusting the distance between the lens of the infrared device and the infrared focal plane.
The drone according to claim 44, wherein when the processor obtains the target image set generated when the user adjusts the focus distance of the infrared device, it is specifically used for:

Acquiring a thermal radiation signal emitted by an external scene when the user adjusts the focusing distance of the infrared device, and the infrared device is at a target distance from the focusing plane;

The thermal radiation signal is processed to generate a target image set including a plurality of images.
The drone of claim 46, wherein:

The target distance is determined according to the target focus distance required by the user and a preset focus distance table. The preset focus distance table includes a mapping relationship between different focus distances and different placement distances, and the placement distance is The distance between the infrared device and the external scene; or,

The target distance is calculated according to the target focus distance required by the user and a preset hyperfocal distance formula.
The drone of claim 46, wherein:

The external scene includes any one or more of a focusing plate, an object with infrared texture, and an object with edge information.
The UAV according to claim 48, wherein the focusing plate includes any one or more of a four-bar target, a half-moon target, and an edge target.
A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, wherein the computer program implements the method according to any one of claims 1 to 16 when the computer program is executed by a processor.