Compensation method, device, equipment and medium for liquid lens compensation system

By pre-establishing the correspondence between temperature and voltage at different distances of the liquid lens, the problem of insufficient temperature compensation of the liquid lens is solved, fast focus and improved focus response speed are achieved, avoiding additional measurement costs and complex operations.

CN115903103BActive Publication Date: 2025-02-25SUZHOU LINGHOU ROBOT
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202211429615.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-15
Publication Date
2025-02-25
Estimated Expiration
2042-11-15

AI Technical Summary

Technical Problem

The diopter of liquid lenses is affected by temperature. The temperature compensation method of the prior art is not perfect and accurate enough, and it requires temperature compensation by itself. Most applications require externally equipped distance measurement devices to increase additional costs and affect operation convenience.

Method used

By pre-establishing the correspondence between temperature and voltage under different distance information, different parameter groups are switched to temperature compensation according to different distance information during operation, and fast focus is achieved.

Benefits of technology

There is no need to measure the distance information again, nor to calibrate the temperature of the distance measuring tool, which avoids errors caused by the distance measurement accuracy problem of the external distance measuring module, and also improves the focus response speed of the liquid lens.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN115903103B_ABST
    Figure CN115903103B_ABST
Patent Text Reader

Abstract

The present invention discloses a compensation method, device, equipment and medium of a liquid lens compensation system. The method comprises establishing a corresponding relationship between temperature and voltage under different distance information to form different parameter groups, determining first distance information of the liquid lens compensation system, determining a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determining a temperature compensation mode of the liquid lens compensation system according to the corresponding relationship between temperature and voltage in the first parameter group. In the above technical scheme, by forming the parameter group in advance, during operation, only different parameter groups need to be switched according to different distance information for temperature compensation to achieve fast focusing, without the need to measure the distance information again, and without the need to perform temperature calibration on the distance measuring tool, thereby avoiding the error caused by the distance measuring accuracy problem of the external distance measuring module and improving the focusing response speed of the liquid lens.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of lens technology, and in particular to a compensation method, device, equipment and medium of a liquid lens compensation system. Background Art

[0002] Liquid lens is a commonly used zoom lens in the prior art. Liquid is used as a lens to change the focal length by changing the curvature of the liquid. The more mature liquid lens is a variable focus optical lens that uses the principle of electrowetting on dielectric (EWOD). It can change the shape of the droplet by applying an external voltage, thereby changing its focal length and achieving a change in focal length.

[0003] Currently, the refractive power of liquid lenses is affected by temperature. The temperature compensation methods of some lenses are not perfect and accurate, and temperature compensation needs to be performed by themselves. In addition, most applications require external distance measurement devices, which increases additional costs and affects operational convenience. Summary of the invention

[0004] The present invention provides a compensation method, device, equipment and medium for a liquid lens compensation system. By pre-forming a parameter group, when working, only different parameter groups need to be switched according to different distance information for temperature compensation, so that fast focusing can be achieved, thereby improving the focusing response speed of the liquid lens.

[0005] In a first aspect, an embodiment of the present invention provides a compensation method for a liquid lens compensation system, comprising:

[0006] Establish the corresponding relationship between temperature and voltage under different distance information to form different parameter groups;

[0007] Determining first distance information of the liquid lens compensation system;

[0008] A first parameter group corresponding to the first distance information is determined according to the first distance information and the parameter group, and a temperature compensation method of the liquid lens compensation system is determined according to a correspondence between temperature and voltage in the first parameter group.

[0009] Optionally, the establishing of the corresponding relationship between temperature and voltage under different distance information to form different parameter groups includes: obtaining current distance information and current temperature information under the current position of the liquid lens compensation system;

[0010] Determine a current voltage signal corresponding to the current temperature information according to the current temperature information, wherein the voltage signal is a voltage signal corresponding to when the imaging clarity of the liquid lens under the current temperature information meets a preset clarity requirement;

[0011] According to the current temperature information and the current voltage signal, the corresponding relationship between the temperature and the voltage within the working temperature range at the current position of the liquid lens compensation system is determined; the working temperature range is the temperature range that the liquid lens can withstand; the current distance information and the corresponding relationship are stored in correspondence to form the parameter group; the position is adjusted, and the above steps are repeated in sequence to form a corresponding relationship parameter group between the temperature and the voltage under different distance information.

[0012] Optionally, the correspondence between the temperature and the voltage within the working temperature range of the liquid lens compensation system at the current position is determined according to the current temperature information and the current voltage signal, including: the correspondence between the preset temperature change and the voltage change; the correspondence between the temperature and the voltage within the working temperature range of the liquid lens compensation system at the current position is determined according to the current temperature information, the current voltage signal and the correspondence between the temperature change and the voltage change.

[0013] Optionally, determining the correspondence between the temperature and the voltage within the operating temperature range at the current position of the liquid lens compensation system based on the current temperature information and the current voltage signal includes: converting the current temperature information into temperature parameter information; determining the correspondence between the temperature and the voltage within the operating temperature range at the current position of the liquid lens compensation system based on the temperature parameter signal and the current voltage signal.

[0014] Optionally, after acquiring the first distance information of the liquid lens compensation system, the method further includes: adjusting the working distance of the liquid lens compensation system to the first distance information according to the first distance information.

[0015] Optionally, according to the corresponding relationship between temperature and voltage in the first parameter group, the temperature compensation method of the liquid lens compensation system is determined, including:

[0016] According to the correspondence between temperature and voltage, a reference voltage at a reference temperature of the liquid lens compensation system is obtained; the reference temperature is a median temperature within a temperature range that the liquid lens can withstand, and the reference voltage is a voltage corresponding to the reference temperature; based on the reference voltage, temperature compensation is performed according to the correspondence between temperature and voltage.

[0017] Optionally, determining the first distance information of the liquid lens compensation system includes: receiving set input distance information, where the input distance information is the first distance information.

[0018] In a second aspect, an embodiment of the present invention further provides a compensation device for a liquid lens compensation system, the management device comprising:

[0019] A setting module, used to establish a corresponding relationship between temperature and voltage under different distance information to form different parameter groups;

[0020] A determination module, used to determine first distance information of the liquid lens compensation system;

[0021] The compensation module is used to determine a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determine a temperature compensation method of the liquid lens compensation system according to the correspondence between temperature and voltage in the first parameter group.

[0022] In a third aspect, an embodiment of the present invention further provides a compensation device for a liquid lens compensation system, the compensation device comprising: one or more processors; a storage device for storing one or more programs, when the one or more programs are executed by the one or more processors, the one or more processors implement the compensation method for the liquid lens compensation system described in any embodiment of the present invention.

[0023] In a fourth aspect, an embodiment of the present invention further provides a storage medium having a computer program stored thereon, which, when executed by a processor, implements any compensation method of the liquid lens compensation system of the embodiment of the present invention.

[0024] The embodiment of the present invention forms different parameter groups by establishing a corresponding relationship between temperature and voltage under different distance information, determines a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determines a temperature compensation method of the liquid lens compensation system according to the corresponding relationship between temperature and voltage in the first parameter group, and then forms the parameter group in advance. When working, it is only necessary to switch different parameter groups according to different distance information for temperature compensation to achieve fast focusing, without the need to measure the distance information again, and without the need to perform temperature calibration on the distance measuring tool, thereby avoiding errors caused by the distance measuring accuracy problem of the external distance measuring module, and improving the focusing response speed of the liquid lens, and solving the problem that the temperature compensation method of the lens in the prior art is not perfect and accurate, and temperature compensation needs to be performed by itself, and most applications require external distance measuring devices, which increases additional costs and affects the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A flow chart of a compensation method for a liquid lens compensation system provided in Embodiment 1 of the present invention;

[0026] Figure 2 A flow chart of another compensation method for a liquid lens compensation system provided in Embodiment 2 of the present invention;

[0027] Figure 3 A schematic diagram of the structure of a compensation device of a liquid lens compensation system provided in Embodiment 3 of the present invention;

[0028] Figure 4 This is a schematic structural diagram of a compensation device of a liquid lens compensation system provided in Embodiment 4 of the present invention. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0030] It should be noted that the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or apparatus.

[0031] Embodiment 1

[0032] Figure 1 This is a flow chart of a compensation method of a liquid lens compensation system provided in the first embodiment of the present invention. This embodiment can be applied to the situation where the refractive power of the liquid lens is affected by temperature and temperature compensation needs to be performed by itself, and an external distance measurement device is required, which increases additional costs and affects the convenience of operation. The method can be executed by a compensation device of the liquid lens compensation system, and the compensation device can be implemented in software and / or hardware. The compensation device can be configured in a server.

[0033] The liquid lens compensation system of the present invention comprises a collection unit, a temperature conversion unit, a voltage compensation unit, a liquid lens control unit and a liquid lens module. The liquid lens module comprises a liquid lens and an optically designed external lens. The method comprises:

[0034] S110 , establishing a corresponding relationship between temperature and voltage under different distance information to form different parameter groups.

[0035] Among them, the distance information refers to the working distance between the liquid lens and the object being photographed. When shooting through the liquid lens, if the liquid lens moves or the object being photographed changes, the working distance between the liquid lens and the object being photographed will change, and refocusing is required to improve the quality of the captured image. However, the refractive power of the liquid lens will be affected by temperature, and temperature compensation is required during the focusing process. And the temperature compensation method is different under different distance information, that is, it can be understood that under different distance information, the corresponding relationship between temperature and voltage when the liquid lens needs to perform temperature compensation is different, and then it is necessary to select the corresponding relationship between temperature and voltage according to the distance information to perform temperature compensation to achieve refocusing of the liquid lens.

[0036] In addition, the correspondence between temperature and voltage can be understood as the temperature at which the liquid lens needs to have a clear image, that is, the working voltage that needs to be met when refocusing. The relationship between the temperature and the working voltage is the correspondence between the temperature and the voltage. When there are multiple temperatures, the correspondence between the temperature and the voltage can be a curve relationship with the horizontal axis being the temperature and the vertical axis being the voltage. Since the correspondence between temperature and voltage is different under different distance information, multiple parameter groups can be pre-established, each parameter group containing a distance information and the corresponding curve relationship between temperature and voltage under the distance information.

[0037] S120: Determine first distance information of the liquid lens compensation system.

[0038] The first distance information may be manually set distance information. Specifically, the distance information may be manually input through a keyboard or other methods. After the liquid lens compensation system receives the set input distance information, it determines the set input distance information as the first distance information.

[0039] S130, determining a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determining a temperature compensation method of the liquid lens compensation system according to a correspondence between temperature and voltage in the first parameter group.

[0040] Specifically, in the working mode, after determining the first distance information of the liquid lens compensation system, the first distance information is matched with multiple parameter groups established previously. If the first distance information matches the distance information in a certain parameter group, the parameter group is confirmed to be the first parameter group corresponding to the first distance information. The first parameter group includes a curve relationship between temperature and voltage corresponding to the first distance information, that is, under the first distance information, the temperature compensation method of the liquid lens compensation system is the curve relationship between temperature and voltage in the first parameter group, and then the liquid lens compensation system is temperature compensated according to the curve relationship between temperature and voltage to achieve refocusing of the liquid lens. Since multiple parameter groups are established in advance, when the liquid lens compensation system is working, it only needs to switch different parameter groups according to the first distance information to perform temperature compensation to achieve refocusing of the liquid lens, and there is no need to measure the distance information again, and there is no need to perform temperature calibration on the distance measuring tool.

[0041] It should be noted that the first distance information matches the distance information in a certain parameter group, and the error between the first distance information and the distance information in the parameter group does not exceed the set value. The embodiment of the present invention does not limit the specific numerical value of the set value, and those skilled in the art can set it according to actual needs. In addition, when matching the first distance information with the multiple parameter groups established previously, there may be a situation where the first distance information cannot match the multiple established parameter groups. At this time, it is determined whether the first distance information exceeds the focusable distance range of the liquid lens. If the first distance information exceeds the focusable distance range of the liquid lens, the first distance information needs to be reconfirmed. If the first distance information does not exceed the focusable distance range of the liquid lens, the corresponding relationship between temperature and voltage under the first distance information is established to form a new set of parameter groups.

[0042] The embodiment of the present invention forms different parameter groups by establishing a corresponding relationship between temperature and voltage under different distance information, determines a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determines a temperature compensation method of the liquid lens compensation system according to the corresponding relationship between temperature and voltage in the first parameter group, and then forms the parameter group in advance. When working, it is only necessary to switch different parameter groups according to different distance information for temperature compensation to achieve fast focusing, without the need to measure the distance information again, and without the need to perform temperature calibration on the distance measuring tool, thereby avoiding errors caused by the distance measuring accuracy problem of the external distance measuring module, and improving the focusing response speed of the liquid lens, and solving the problem that the temperature compensation method of the lens in the prior art is not perfect and accurate, and temperature compensation needs to be performed by itself, and most applications require external distance measuring devices, which increases additional costs and affects the convenience of operation.

[0043] Embodiment 2

[0044] Figure 2A flowchart of another power exchange and distribution system management method provided in the second embodiment of the present invention, see Figure 2 , the method comprising:

[0045] S210, obtaining current distance information and current temperature information of the liquid lens compensation system at a current position.

[0046] Specifically, the working distance between the liquid lens and the photographed object is adjusted, the working distance is acquired through the acquisition unit to obtain the current distance information of the liquid lens compensation system at the current position, and the current temperature information of the liquid lens compensation system at the current position is acquired through the acquisition unit.

[0047] S220. Determine a current voltage signal corresponding to the current temperature information according to the current temperature information.

[0048] Specifically, after adjusting the working distance between the liquid lens and the object being photographed, the distance information changes, and thus the correspondence between temperature and voltage changes, and refocusing is required. Therefore, after obtaining the current temperature information at the current position, the voltage signal of the liquid lens is adjusted until the imaging clarity of the liquid lens meets the preset clarity requirement, that is, when refocusing, the voltage signal at this time is recorded, and the voltage signal is the current voltage signal corresponding to the current temperature information.

[0049] S230, determining the corresponding relationship between temperature and voltage within the working temperature range at the current position of the liquid lens compensation system according to the current temperature information and the current voltage signal.

[0050] Specifically, due to the characteristics of the liquid lens, it has a certain tolerable temperature range, and the operating temperature range is the temperature range that the liquid lens can withstand, for example, -10°C-55°C. After obtaining the current temperature information and the current voltage signal, the voltage compensation unit processes through a software algorithm to obtain the corresponding curve relationship between all temperatures and voltages within the operating temperature range at the current position of the liquid lens compensation system.

[0051] It should be noted that the software algorithm mentioned above has a preset correspondence between the temperature change and the voltage change. After the voltage compensation unit inputs the current temperature information and the current voltage signal, the software algorithm will determine the correspondence between the temperature and voltage within the working temperature range at the current position of the liquid lens compensation system based on the current temperature information and the current voltage signal and the correspondence between the temperature change and the voltage change. For example, when the current temperature information input by the voltage compensation unit is 20°C, the current voltage signal input is 5V, and the preset correspondence between the temperature change and the voltage change in the software algorithm is 1°C-0.1V, then when the temperature information is 21°C, the corresponding voltage signal is 21.1V, and so on, to obtain the correspondence between all temperatures and voltages within the working temperature range at the current position of the liquid lens compensation system. In addition, when the current position of the liquid lens compensation system changes, the preset correspondence between the temperature change and the voltage change in the software algorithm will also change.

[0052] It should also be noted that since the current temperature information collected by the acquisition unit is an analog value and cannot be input into the voltage compensation unit, the temperature conversion unit is required to convert the previous temperature information into temperature parameter information, where the temperature parameter information can be a specific temperature, such as 20°C. The voltage compensation unit determines the correspondence between the temperature and voltage within the working temperature range at the current position of the liquid lens compensation system based on the temperature parameter signal and the current voltage signal.

[0053] S240: Store the current distance information and the corresponding relationship in correspondence to form a parameter group.

[0054] Specifically, after obtaining the correspondence between all temperatures and voltages within the working temperature range at the current position of the liquid lens compensation system through software algorithm processing, the voltage compensation unit also stores the correspondence between the current distance information at the current position and all temperatures and voltages within the working temperature range at the current position to form a parameter group.

[0055] S250, adjusting the position, and repeating the above steps in sequence to form a corresponding parameter group of temperature and voltage under different distance information.

[0056] Specifically, the working distance between the liquid lens and the photographed object is adjusted, and steps S210 to S240 are repeated in sequence to form a corresponding relationship parameter group between temperature and voltage under different distance information.

[0057] S260: Determine first distance information of the liquid lens compensation system.

[0058] S270: According to the first distance information, adjust the working distance of the liquid lens compensation system to the first distance information.

[0059] Specifically, after presetting multiple groups of parameter groups, you can enter the working mode. In the working mode, first, determine the first distance information of the liquid lens compensation system, then adjust the working distance of the liquid lens compensation system to the first distance information, and finally match the first parameter group according to the first distance information.

[0060] S280, determining a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, obtaining a reference voltage at a reference temperature of the liquid lens compensation system according to a correspondence between temperature and voltage, and performing temperature compensation based on the reference voltage and the correspondence between temperature and voltage.

[0061] The reference temperature is the median temperature within the temperature range that the liquid lens can withstand. For example, if the operating temperature range, that is, the temperature range that the liquid lens can withstand, is -10°C to 50°C, the reference temperature can be 20°C, and the reference voltage is the voltage corresponding to the reference temperature in the corresponding relationship between temperature and voltage. After the voltage compensation unit determines the first parameter group corresponding to the first distance information based on the first distance information and the parameter group, the voltage compensation unit loads the corresponding relationship between temperature and voltage in the first parameter group into the liquid lens control unit, and then the liquid lens control unit dynamically adjusts the voltage of the liquid lens based on the reference voltage and the corresponding relationship between temperature and voltage, thereby improving the focus response speed of the liquid lens.

[0062] The embodiment of the present invention forms different parameter groups by establishing a corresponding relationship between temperature and voltage under different distance information, determines a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determines a temperature compensation method of the liquid lens compensation system according to the corresponding relationship between temperature and voltage in the first parameter group, and then forms the parameter group in advance. When working, it is only necessary to switch different parameter groups according to different distance information for temperature compensation to achieve fast focusing, without the need to measure the distance information again, and without the need to perform temperature calibration on the distance measuring tool, thereby avoiding errors caused by the distance measuring accuracy problem of the external distance measuring module, and improving the focusing response speed of the liquid lens, and solving the problem that the temperature compensation method of the lens in the prior art is not perfect and accurate, and temperature compensation needs to be performed by itself, and most applications require external distance measuring devices, which increases additional costs and affects the convenience of operation.

[0063] Embodiment 3

[0064] Figure 3 The figure shows a schematic diagram of the structure of a compensation device of a liquid lens compensation system provided in the third embodiment of the present invention. This embodiment can be applied to a liquid lens, where the diopter of the liquid lens is affected by temperature and needs to be temperature compensated by itself, and an external distance measuring device is required, which increases additional costs and affects the convenience of operation. The specific structure of the compensation device is as follows:

[0065] A setting module 30, used to establish a corresponding relationship between temperature and voltage under different distance information to form different parameter groups;

[0066] A determination module 31, used to determine first distance information of a liquid lens compensation system;

[0067] The compensation module 32 is used to determine the first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determine the temperature compensation method of the liquid lens compensation system according to the corresponding relationship between temperature and voltage in the first parameter group.

[0068] The setting module 30 includes a collection unit and a voltage compensation unit. The collection unit is used to obtain current distance information and current temperature information of the liquid lens compensation system at a current position.

[0069] The voltage compensation unit is used to determine the current voltage signal corresponding to the current temperature information according to the current temperature information, wherein the current voltage signal is the voltage signal corresponding to when the imaging clarity of the liquid lens under the current temperature information meets the preset clarity requirement.

[0070] The voltage compensation unit is also used to determine the corresponding relationship between temperature and voltage within the working temperature range at the current position of the liquid lens compensation system according to the current temperature information and the current voltage signal. The working temperature range is the temperature range that the liquid lens can withstand.

[0071] The voltage compensation unit is further used to store the current distance information and the corresponding relationship in correspondence to form a parameter group.

[0072] The voltage compensation unit is specifically used to preset the correspondence between the temperature change and the voltage change, and determine the correspondence between the temperature and voltage within the working temperature range at the current position of the liquid lens compensation system according to the current temperature information, the current voltage signal and the correspondence between the temperature change and the voltage change.

[0073] The setting module 30 further includes a temperature conversion unit, which is used to convert current temperature information into temperature parameter information.

[0074] The compensation device also includes an adjustment unit, which is used to adjust the working distance of the liquid lens compensation system to the first distance information according to the first distance information.

[0075] The determination module 31 is specifically configured to receive set input distance information, where the input distance information is first distance information.

[0076] The compensation module 32 is specifically used to obtain a reference voltage at a reference temperature of the liquid lens compensation system according to the correspondence between temperature and voltage. The reference temperature is the median temperature within the temperature range that the liquid lens can withstand, and the reference voltage is the voltage corresponding to the reference temperature. Based on the reference voltage, temperature compensation is performed according to the correspondence between temperature and voltage.

[0077] The technical solution of this embodiment forms different parameter groups by establishing a corresponding relationship between temperature and voltage under different distance information, determines a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determines a temperature compensation method of the liquid lens compensation system according to the corresponding relationship between temperature and voltage in the first parameter group, and then forms the parameter group in advance. When working, it is only necessary to switch different parameter groups according to different distance information for temperature compensation to achieve fast focusing, without the need to measure the distance information again, and without the need to perform temperature calibration on the distance measuring tool, thereby avoiding errors caused by the distance measuring accuracy problem of the external distance measuring module, and improving the focusing response speed of the liquid lens, solving the problem that the temperature compensation method of the lens in the prior art is not perfect and accurate, and temperature compensation needs to be performed by itself, and most applications require external distance measuring devices, which increases additional costs and affects the convenience of operation.

[0078] Embodiment 4

[0079] Figure 4 A schematic diagram of a compensation device for a liquid lens compensation system provided in Embodiment 4 of the present invention, the compensation device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workbenches, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The compensation device may also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices (such as helmets, glasses, watches, etc.) and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present invention described and / or required herein.

[0080] like Figure 4As shown, the compensation device 10 includes at least one processor 11, and a memory connected to the at least one processor 11, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., wherein the memory stores a computer program that can be executed by the at least one processor, and the processor 11 can perform various appropriate actions and processes according to the computer program stored in the read-only memory (ROM) 12 or the computer program loaded from the storage unit 18 to the random access memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the compensation device 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other through a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0081] A number of components in the compensation device 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, an optical disk, etc.; and a communication unit 19, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0082] The processor 11 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above.

[0083] In some embodiments, the compensation method may be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit 18. In some embodiments, part or all of the computer program may be loaded and / or installed on the electronic device 10 via the ROM 12 and / or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the compensation method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the compensation method in any other appropriate manner (e.g., by means of firmware).

[0084] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0085] Embodiment 5

[0086] Embodiment 5 of the present invention further provides a storage medium containing computer executable instructions, wherein the computer executable instructions are used to execute a compensation method of a liquid lens compensation system when executed by a computer processor, the method comprising:

[0087] Establish the corresponding relationship between temperature and voltage under different distance information to form different parameter groups;

[0088] Determining first distance information of the liquid lens compensation system;

[0089] A first parameter group corresponding to the first distance information is determined according to the first distance information and the parameter group, and a temperature compensation method of the liquid lens compensation system is determined according to a correspondence between temperature and voltage in the first parameter group.

[0090] Of course, the computer executable instructions of the storage medium provided in the embodiment of the present invention are not limited to the above-mentioned method operations, but can also perform the relevant operations in the compensation method of the liquid lens compensation system provided in any embodiment of the present invention.

[0091] Through the above description of the implementation methods, the technicians in the relevant field can clearly understand that the present invention can be implemented by means of software and necessary general hardware, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as a computer floppy disk, read-only memory (ROM), random access memory (RAM), flash memory (FLASH), hard disk or optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, server, or network device, etc.) to execute the methods described in each embodiment of the present invention.

[0092] It is worth noting that in the embodiment of the above-mentioned search device, the various units and modules included are only divided according to functional logic, but are not limited to the above-mentioned division, as long as the corresponding functions can be achieved; in addition, the specific names of the functional units are only for the convenience of distinguishing each other, and are not used to limit the scope of protection of the present invention.

[0093] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A compensation method for a liquid lens compensation system, characterized in that: Establish the corresponding relationship between temperature and voltage under different distance information to form different parameter groups; Determining first distance information of the liquid lens compensation system; Determining a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determining a temperature compensation method of the liquid lens compensation system according to a corresponding relationship between temperature and voltage in the first parameter group; The corresponding relationship between temperature and voltage is the working voltage when the liquid lens is refocused at a certain temperature; The determining, according to the first distance information and the parameter group, a first parameter group corresponding to the first distance information comprises: If the first distance information cannot match the established multiple parameter groups, determine whether the first distance information exceeds the focusable distance range of the liquid lens; if the first distance information exceeds the focusable distance range of the liquid lens, reconfirm the first distance information; if the first distance information does not exceed the focusable distance range of the liquid lens, establish the correspondence between temperature and voltage under the first distance information to form a new parameter group.

2. The compensation method according to claim 1, characterized in that: The establishing of the corresponding relationship between temperature and voltage under different distance information to form different parameter groups includes: Acquiring current distance information and current temperature information of the liquid lens compensation system at a current position; Determine a current voltage signal corresponding to the current temperature information according to the current temperature information, wherein the current voltage signal is a voltage signal corresponding to when the imaging clarity of the liquid lens under the current temperature information meets a preset clarity requirement; Determine, according to the current temperature information and the current voltage signal, a corresponding relationship between temperature and voltage within a working temperature range at a current position of the liquid lens compensation system; The operating temperature range is the temperature range that the liquid lens can withstand; storing the current distance information and the corresponding relationship in correspondence to form the parameter group; Adjust the position and repeat the above steps in sequence to form a corresponding parameter group of temperature and voltage under different distance information.

3. The compensation method according to claim 2, characterized in that: Determining the corresponding relationship between the temperature and the voltage within the working temperature range at the current position of the liquid lens compensation system according to the current temperature information and the current voltage signal includes: Preset the corresponding relationship between temperature change and voltage change; The corresponding relationship between the temperature and the voltage within the working temperature range at the current position of the liquid lens compensation system is determined according to the current temperature information, the current voltage signal, and the corresponding relationship between the temperature change and the voltage change.

4. The compensation method according to claim 2, characterized in that: Determining the corresponding relationship between the temperature and the voltage within the working temperature range at the current position of the liquid lens compensation system according to the current temperature information and the current voltage signal includes: Converting the current temperature information into temperature parameter information; According to the temperature parameter information and the current voltage signal, the corresponding relationship between the temperature and the voltage within the working temperature range at the current position of the liquid lens compensation system is determined.

5. The compensation method according to claim 1, characterized in that: After determining the first distance information of the liquid lens compensation system, the method further includes: According to the first distance information, the working distance of the liquid lens compensation system is adjusted to the first distance information.

6. The compensation method according to claim 1, characterized in that: According to the corresponding relationship between temperature and voltage in the first parameter group, the temperature compensation method of the liquid lens compensation system is determined, including: According to the corresponding relationship between temperature and voltage, obtaining a reference voltage at a reference temperature of the liquid lens compensation system; The reference temperature is the median temperature within the temperature range that the liquid lens can withstand, and the reference voltage is the voltage corresponding to the reference temperature; Based on the reference voltage, temperature compensation is performed according to the corresponding relationship between temperature and voltage.

7. The compensation method according to claim 1, characterized in that: Determining first distance information of the liquid lens compensation system includes: The set input distance information is received, where the input distance information is the first distance information.

8. A compensation device for a liquid lens compensation system, characterized in that: include A setting module, used to establish a corresponding relationship between temperature and voltage under different distance information to form different parameter groups; A determination module, used to determine first distance information of the liquid lens compensation system; a compensation module, configured to determine a first parameter group corresponding to the first distance information according to the first distance information and the parameter group, and determine a temperature compensation method of the liquid lens compensation system according to a correspondence between temperature and voltage in the first parameter group; The corresponding relationship between temperature and voltage is the working voltage when the liquid lens is refocused at a certain temperature; The determining, according to the first distance information and the parameter group, a first parameter group corresponding to the first distance information comprises: If the first distance information cannot match the established multiple parameter groups, determine whether the first distance information exceeds the focusable distance range of the liquid lens; if the first distance information exceeds the focusable distance range of the liquid lens, reconfirm the first distance information; if the first distance information does not exceed the focusable distance range of the liquid lens, establish the correspondence between temperature and voltage under the first distance information to form a new parameter group.

9. A compensation device for a liquid lens compensation system, characterized in that: The compensation device comprises: one or more processors; a storage device for storing one or more programs, When the one or more programs are executed by the one or more processors, the one or more processors implement the compensation method of the liquid lens compensation system as described in any one of claims 1 to 7.

10. A storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the compensation method of the liquid lens compensation system as described in any one of claims 1 to 7 is implemented.

Citation Information

Patent Citations

  • Image sensor

    CN113615159A

  • Lens device

    US20050041301A1