CN110136209A - A kind of camera calibration method, device and computer readable storage medium - Google Patents
A kind of camera calibration method, device and computer readable storage medium Download PDFInfo
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- CN110136209A CN110136209A CN201910421682.6A CN201910421682A CN110136209A CN 110136209 A CN110136209 A CN 110136209A CN 201910421682 A CN201910421682 A CN 201910421682A CN 110136209 A CN110136209 A CN 110136209A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/172—Caching, prefetching or hoarding of files
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
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Abstract
This application provides a kind of camera calibration method, device and computer readable storage mediums, when terminal meets camera calibration condition, generate demarcating file acquisition request, and demarcating file acquisition request is sent to background server；Background server determines corresponding target designation file according to the identification information of target camera module to be calibrated in terminal included in demarcating file acquisition request；Terminal receives the target designation file for corresponding to identification information determined by background server, and target designation file is stored in the memory space on terminal mainboard, then controls target designation file and comes into force in target camera module.Pass through the implementation of application scheme, terminal corresponds to the demarcating file of the identification information of camera module to be calibrated to background server request, then demarcating file is stored and is come into force on mainboard, effectively improve the efficiency and accuracy of camera calibration, and reduce calibration cost.
Description
Technical field
This application involves electronic technology field more particularly to a kind of camera calibration method, device and computer-readable deposit
Storage media.
Background technique
With the continuous development of terminal technology, the popularity rate of terminal is higher and higher, user's using terminal in daily life
Frequency it is also higher and higher.Camera is issued as a pith in current terminal in more and more application scenarios
Wave indispensable role.
In practical applications, to guarantee that the performance of camera gives full play to, wherein an indispensable ring is to camera shooting
Head is demarcated, and is at present usually to demarcate in producing line to camera, is stored in after then generating corresponding demarcating file
In terminal.However, no longer needing to carry out camera shooting leader not after factory after demarcating camera in producing line
It is fixed, if when needing again to demarcate camera to meet terminal use demand, usually being needed at present after terminal factory
It is equipped with special calibration facility, but complicated operation for the calibration facility, special technical staff is needed to operate, and causes to mark
Fixed at high cost, calibration low efficiency, and manual operation can have certain subjectivity leads to the accuracy of calibration result also more
It is limited.
Summary of the invention
The embodiment of the present application provides a kind of camera calibration method, device and computer readable storage medium, at least can
When solving to re-scale the camera in terminal after terminal factory in the related technology, need to rely on special calibration facility,
Caused calibration cost is high, calibration low efficiency and the problem of calibration limited accuracy.
The embodiment of the present application first aspect provides a kind of camera calibration method, is applied to terminal, comprising:
Judge whether terminal currently meets preset camera calibration condition；
When meeting the camera calibration condition, demarcating file acquisition request is generated, and the demarcating file is obtained
Request is sent to background server；It include target camera mould to be calibrated in the terminal in the demarcating file acquisition request
The identification information of group；
Receive the target designation file for corresponding to the identification information determined by the background server；
The target designation file is stored in the memory space on the terminal mainboard, and controls the target
Demarcating file comes into force in the target camera module.
The embodiment of the present application second aspect provides another camera calibration method, is applied to background server, comprising:
Receive demarcating file acquisition request transmitted by terminal；It include in the terminal in the demarcating file acquisition request
The identification information of target camera module to be calibrated；
Based in the demarcating file acquisition request identification information and preset identification information and demarcating file reflect
Relationship is penetrated, determines the target designation file for corresponding to the identification information of the target camera module；
The target designation file is sent to the terminal；The target designation file is for the terminal storage in master
In memory space on plate, and come into force in the target camera module.
The embodiment of the present application third aspect provides a kind of camera calibration device, is applied to terminal, comprising:
Judgment module, for judging whether terminal currently meets preset camera calibration condition；
Generation module, for when meeting the camera calibration condition, generating demarcating file acquisition request, and will be described
Demarcating file acquisition request is sent to background server；It include to be calibrated in the terminal in the demarcating file acquisition request
The identification information of target camera module；
First receiving module, for receiving the target mark for corresponding to the identification information determined by the background server
Determine file；
Control module, for the target designation file to be stored in the memory space on the terminal mainboard,
And it controls the target designation file and comes into force in the target camera module.
The embodiment of the present application fourth aspect provides another camera calibration device, is applied to background server, comprising:
Second receiving module, for receiving demarcating file acquisition request transmitted by terminal；The demarcating file acquisition is asked
Seek the identification information including target camera module to be calibrated in the terminal；
Determining module, for based on the identification information and preset identification information in the demarcating file acquisition request
With the mapping relations of demarcating file, the target designation file for corresponding to the identification information of the target camera module is determined；
Sending module, for the target designation file to be sent to the terminal；The target designation file is used for institute
Terminal storage is stated in the memory space on mainboard, and come into force in the target camera module.
The aspect of the embodiment of the present application the 5th provides a kind of electronic device, and memory, processor and storage are on a memory simultaneously
The first computer program or second computer program that can be run on a processor, when processor executes the first computer program,
Realize each step in the camera calibration method of above-mentioned the embodiment of the present application first aspect offer, processor executes second and calculates
When machine program, each step in the camera calibration method of above-mentioned the embodiment of the present application second aspect offer is realized.
The 6th aspect of the embodiment of the present application provides a kind of computer readable storage medium, is stored thereon with the first computer journey
Sequence or second computer program when the first computer program is executed by processor, realize above-mentioned the embodiment of the present application first aspect
Each step in the camera calibration method of offer when second computer program is executed by processor, realizes that above-mentioned the application is real
Apply each step in the camera calibration method that a second aspect provides.
Therefore camera calibration method, device according to provided by application scheme and computer-readable storage medium
Matter generates demarcating file acquisition request, and demarcating file acquisition request is sent to when terminal meets camera calibration condition
Background server；Background server is according to target camera mould to be calibrated in terminal included in demarcating file acquisition request
The identification information of group, determines corresponding target designation file；Terminal, which receives, corresponds to identification information determined by background server
Target designation file, and target designation file is stored in the memory space on terminal mainboard, then controls target
Demarcating file comes into force in target camera module.By the implementation of application scheme, terminal requests to correspond to background server
In the demarcating file of the identification information of camera module to be calibrated, then demarcating file is stored and come into force on mainboard, effectively
The efficiency and accuracy of camera calibration are improved, and reduces calibration cost.
Detailed description of the invention
Fig. 1 is the basic procedure signal for the camera calibration method applied to terminal side that the application first embodiment provides
Figure；
Fig. 2 is the basic flow for the camera calibration method applied to background server side that the application first embodiment provides
Journey schematic diagram；
Fig. 3 is the refinement flow diagram for the camera calibration method that the application second embodiment provides；
Fig. 4 is the program module signal for the camera calibration device applied to terminal side that the application 3rd embodiment provides
Figure；
Fig. 5 is the program mould for the camera calibration device applied to background server side that the application 3rd embodiment provides
Block schematic diagram；
Fig. 6 is the structural schematic diagram for the electronic device that the application fourth embodiment provides.
Specific embodiment
To enable present invention purpose, feature, advantage more obvious and understandable, below in conjunction with the application
Attached drawing in embodiment, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described reality
Applying example is only some embodiments of the present application, and not all embodiments.Based on the embodiment in the application, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
When in order to solve to re-scale the camera in terminal after terminal factory in the related technology, need to rely on special
Calibration facility, caused calibration cost is high, calibration low efficiency and the defect for demarcating limited accuracy, the application first are real
It applies example and provides a kind of camera calibration method applied to terminal, if Fig. 1 is camera calibration method provided in this embodiment
Basic flow chart, which includes the following steps:
Step 101 judges whether terminal currently meets preset camera calibration condition.
Camera module is provided in terminal in the present embodiment, and according to the difference of use demand, camera module
Quantity can be for individually or multiple.As a preferred embodiment, camera module can be depth camera,
Such as 3D structure optical mode group etc..It should be understood that terminal ability triggering following when meeting preset condition is taken the photograph in the present embodiment
As head demarcation flow.
Optionally, judge whether terminal currently meets preset camera calibration condition and include but is not limited in the present embodiment
Following four mode:
Whether mode one judges terminal currently in camera module replacement completion status.
Specifically, in practical applications, user may replace and take the photograph because camera module is damaged in using terminal
As head mould group, and there may be the difference such as hardware, instruction between the camera module and former camera module replaced, thus
It results in the need for being re-scaled for replaced camera module.It should be understood that the present embodiment is being in camera
When mould group replaces completion status, determination meets camera calibration condition.
Whether mode two judges terminal currently in mainboard replacement completion status.
Specifically, in practical applications, the demarcating file of depth camera is usually larger, and the band electrically erasable of camera module
Programmable read only memory (EEPROM, Electrically Erasable Programmable read only memory)
Provided memory space is not able to satisfy the storage of demarcating file, this is based on, by the calibration of camera module in the present embodiment
File is stored on the mainboard of terminal, thus the camera when the damage of the mainboard of terminal needs replacing mainboard, in terminal
The demarcating file of mould group is also at down state, needs again to carry out the demarcating file of the camera module on new mainboard
Storage.It should be understood that the present embodiment is when in mainboard replacement completion status, determination meets camera calibration condition.
Mode three, judges whether target camera module is in performance upset condition.
Specifically, in practical applications, with the passage of terminal service life, the performance of terminal various aspects, which generates, to decline
Subtract, so that the camera module of terminal may also will appear, performance is not normal, and the performance upset condition in the present embodiment refers to camera shooting
Head performance is unable to satisfy the state of normal use demand, such as camera appearance effect is bad or can not be normally-open, should manage
Solution, for the present embodiment when being in performance upset condition, determination meets camera calibration condition.
It should be noted that further, performance upset condition can also being in camera module and is associated with a duration
Threshold value or frequency threshold value, namely judge target camera module be in performance upset condition duration or read-around ratio whether
Reach preset threshold, when reaching the threshold value, determination meets camera calibration condition.
Mode four, judges whether terminal currently receives camera calibration instruction.
Specifically, in practical applications, the instruction that can also be inputted based on outside should to trigger camera calibration
Understand, in the present embodiment when receiving camera calibration instruction, determination meets camera calibration condition.
Step 102, when meeting camera calibration condition, generate demarcating file acquisition request, and demarcating file obtained
Request is sent to background server；It include the mark of target camera module to be calibrated in terminal in demarcating file acquisition request
Information.
Specifically, it includes camera to be calibrated that terminal, which generates, when terminal needs to carry out camera calibration in the present embodiment
The file acquisition of identification information is requested, wherein identification information can be sequence number (SN, the Serial of camera module
Number), it is also possible to other mark letters that can be used for unique identification camera module in other embodiments certainly
Breath.
Step 103 receives the target designation file for corresponding to identification information determined by background server.
Specifically, being provided with the demarcating file of camera module on the background server of the present embodiment, also will respectively image
The identification information of head mould group and the corresponding relationship of demarcating file are stored on background server in the form of concordance list.It should illustrate
, in a kind of preferred embodiment of the present embodiment, can be in each camera module when producing line demarcates completion, to this
The identification information of camera module and corresponding demarcating file are stored in background server.Background server is receiving
After demarcating file acquisition request, the identification information in request is extracted, and then determines corresponding demarcating file, and to terminal
It makes a response.It should be understood that demarcating file can be three-dimensional scaling information, it may include BIN file and picture.
Optionally, it receives after the target designation file determined by background server corresponding to identification information includes: reception
Platform server determines rule according to preset file, the identified target mark from the multiple demarcating files for corresponding to identification information
Determine file.
Specifically, in the present embodiment, corresponding to the demarcating file of same camera module, there may be multiple.It is based on
This, can determine Optimal Calibration file according to preset rules, to meet practical application request from multiple demarcating files.
It optionally, further include the performance state of target camera module to be calibrated in demarcating file acquisition request,
It receives background server and determines rule according to preset file, it is identified from the multiple demarcating files for corresponding to identification information
Target designation file includes: to receive background server to be based on performance state and preset performance state and calibration
The mapping relations of file, the identified target designation file from the multiple demarcating files for corresponding to identification information.
Specifically, including the identification information and performance shape of camera module to be calibrated in demarcating file acquisition request
State, wherein obtaining corresponding multiple demarcating files according to identification information and then determining multiple calibration based on performance state
Target designation file in file, corresponding to the performance state.It should be understood that the performance shape in the present embodiment
State is associated with model, the system version of terminal etc. of configuration camera module.By taking system version as an example, with the liter of terminal system
Grade, also can adaptability software optimization is made with improving performance to camera module, to face different performance state, take the photograph
As the demarcating file that head mould group is adapted to is also different, it is based on this, background server is stored with same camera module not
With the demarcating file under performance state, so that terminal obtains the mark being best suitable under camera module current performance Optimal State
Determine file.
Target designation file is stored in memory space on terminal mainboard, and controls target designation by step 104
File comes into force in target camera module.
Specifically, in the present embodiment, terminal corresponds to camera mould to be calibrated for what is requested to background server
The demarcating file of the identification information of group, stores and is come into force on mainboard, effectively improve the efficiency and accuracy of camera calibration,
And reduce calibration cost.It should be noted that the mode for storing demarcating file under different application scenarios can not
Together, such as under the scene of replacement mainboard, the demarcating file of camera module is not present in the memory space of new mainboard, thus then
Directly target designation file is stored, and the scene not normal in replacement camera module or camera module performance
Under, due to being stored with former demarcating file in mainboard, so as to delete former demarcating file, and store target designation file.This
Outside, it is also contemplated that, control demarcating file here, which comes into force can be, restarts terminal.It should also be noted that
Demarcating file in the present embodiment, which comes into force, completes camera calibration, and by taking camera module is depth camera as an example, the calibration is then
It is related to depth calibration and is aligned calibration with main camera.
Optionally, when terminal includes multiple and different camera module, by target designation file on terminal mainboard
It includes: according to the identification information of target camera module and preset identification information and storage that storage is carried out in memory space
The mapping relations of address determine the target storage address for corresponding to the identification information of target camera module；By target designation text
Part is stored in the memory space corresponding to target storage address on terminal mainboard.
Specifically, being provided with multiple camera modules at the terminal, then the calibration text on mainboard to each camera is needed
Part is stored, wherein the memory space on mainboard divided according to the identification information of camera module in the present embodiment,
Then respectively by the demarcating file of each camera module, it is stored in the target storage address corresponding to its identification information.
It should be noted that in other embodiments of the present embodiment, it can also be by the mesh of single camera module
It marks demarcating file and stores more parts in multiple target storage address on mainboard.
Optionally, before being stored in the memory space by target designation file on terminal mainboard, further includes: at end
Calibration performance test is carried out to target designation file on end, obtains test result；Judge whether test result meets preset mark
Performance requirement；Meet demarcate performance requirement when, execute target designation file in memory space on terminal mainboard into
The step of row storage.
Specifically, in practical applications, the target designation file of background server response is got in this implementation in terminal
Later, calibration performance test also is carried out to target designation file, to determine current acquired demarcating file in camera shooting to be calibrated
Whether can be normally applicable in head mould group namely whether the performance of camera module can normally play, avoid demarcating file because hard
The problem of part or software reason cannot be normally applicable for camera module, lead to camera module performance fault.
It is corresponding, a kind of camera calibration method applied to background server side, such as Fig. 2 are additionally provided in the present embodiment
For the basic flow chart of the camera calibration method provided in this embodiment applied to background server side, the camera calibration side
Method includes the following steps:
Step 201 receives demarcating file acquisition request transmitted by terminal；It include in terminal in demarcating file acquisition request
The identification information of target camera module to be calibrated；
Step 202, based on the identification information and preset identification information and demarcating file in demarcating file acquisition request
Mapping relations, determine correspond to target camera module identification information target designation file；
Target designation file is sent to terminal by step 203；Target designation file is used for terminal storage depositing on mainboard
It stores up in space, and comes into force in target camera module.
Specifically, in the present embodiment, before camera module factory, can be marked in producing line to camera module
It is fixed, and the identification information of camera module and its corresponding nominal data are stored in background server in the form of concordance list.
It should be understood that the service engineer of background server can safeguard the concordance list, namely carry out data deletion, number
According to increase, data modification etc..In addition, identification information can be the sequence number of camera module, background server is according to calibration text
Sequence number in part acquisition request indexes corresponding demarcating file, the demarcating file is then sent to terminal, for terminal
The demarcating file is stored and come into force on mainboard, the calibration to target camera module to be calibrated is completed, effectively mentions
The efficiency and accuracy of camera calibration have been risen, and has reduced calibration cost.
Optionally, based on the identification information and preset identification information and demarcating file in demarcating file acquisition request
Mapping relations, determine that corresponding to the target designation file of identification information of target camera module includes: based on demarcating file
The mapping relations of identification information and preset identification information and demarcating file in acquisition request, determination are taken the photograph corresponding to target
As multiple demarcating files of the identification information of head mould group；Rule is determined according to preset file, is determined from multiple demarcating files
Target designation file.
Specifically, in the present embodiment, corresponding to the demarcating file of same camera module, there may be multiple.It is based on
This, can determine Optimal Calibration file according to preset rules, to meet practical application request from multiple demarcating files.
It should be noted that further including in demarcating file acquisition request in a kind of optional embodiment of the present embodiment
The performance state of target camera module to be calibrated then determines rule according to preset file, from multiple demarcating files
Middle determining target designation file includes: the performance state and preset performance table according to the target camera module
The mapping relations of present condition and demarcating file determine the target designation text for corresponding to performance state from multiple demarcating files
Part.
Based on the technical solution of above-mentioned the embodiment of the present application, when terminal meets camera calibration condition, calibration text is generated
Part acquisition request, and demarcating file acquisition request is sent to background server；Background server is asked according to demarcating file acquisition
The identification information of target camera module to be calibrated, determines corresponding target designation file in terminal included by asking；Eventually
End receives the target designation file for corresponding to identification information determined by background server, and by target designation file in terminal master
It is stored in memory space on plate, then controls target designation file and come into force in target camera module.Pass through this Shen
Please scheme implementation, terminal to background server request correspond to camera module to be calibrated identification information demarcating file,
Then demarcating file is stored and is come into force on mainboard, effectively improve the efficiency and accuracy of camera calibration, and reduced
Calibration cost.
Method in Fig. 3 is a kind of camera calibration method for refinement that the application second embodiment provides, the camera
Scaling method includes:
Step 301, terminal be in camera module replacement completion status when, terminal generate include target to be calibrated takes the photograph
As the demarcating file acquisition request of the identification information of head mould group.
In practical applications, user may replace camera mould because camera module is damaged in using terminal
Group, and may have the difference such as hardware, instruction between the camera module and former camera module replaced, so as to cause needing
It to be re-scaled for replaced camera module.It should be understood that the identification information in the present embodiment can be
The sequence number (SN, Serial Number) of camera module.
Demarcating file acquisition request is sent to background server by step 302, terminal.
Step 303, background server based on identification information in received demarcating file acquisition request and preset
The mapping relations of identification information and demarcating file determine the target designation text for corresponding to the identification information of target camera module
Part.
Target designation file is sent to terminal by step 304, background server.
Specifically, in the present embodiment, before camera module factory, can be marked in producing line to camera module
It is fixed, and the identification information of camera module and its corresponding nominal data are stored in background server in the form of concordance list,
Background server indexes corresponding demarcating file according to the identification information in demarcating file acquisition request, then by calibration text
Part is sent to terminal.
Step 305, terminal carry out calibration performance test to target designation file, obtain test result.
Step 306, terminal are believed when test result meets calibration performance requirement according to the mark of target camera module
The mapping relations of breath and preset identification information and storage address determine the identification information for corresponding to target camera module
Target storage address.
Specifically, in this implementation after the target designation file that terminal gets background server response, also to target
Demarcating file carries out calibration performance test, to ensure that current acquired demarcating file can be normal in camera module to be calibrated
It is applicable in namely the performance of camera module can be played normally.
In addition, being divided according to the identification information of camera module to the memory space on mainboard in the present embodiment, so
Afterwards respectively by the demarcating file of each camera module, it is stored in the target storage address corresponding to its identification information.Certainly, another
It, can also be by the target designation file of single camera module in multiple target storage address on mainboard in some embodiments
Store more parts.
Step 307, terminal by target designation file on mainboard, corresponding to being carried out in the memory space of target storage address
Storage, and control target designation file and come into force in target camera module.
Specifically, terminal is stored and come into force to demarcating file in the present embodiment, the calibration of camera module is completed, is had
Effect improves the efficiency and accuracy of camera calibration, and reduces calibration cost.
The embodiment of the present application discloses a kind of camera calibration method, after the replacement of terminal camera mould group, generates calibration
File acquisition request, and demarcating file acquisition request is sent to background server；Background server is obtained according to demarcating file
The identification information of target camera module to be calibrated in included terminal, determines corresponding target designation file in request；
Terminal receives the target designation file for corresponding to identification information determined by background server, and by target designation file in terminal
It is stored in memory space on mainboard, then controls target designation file and come into force in target camera module.Pass through this
The implementation of application scheme, terminal correspond to the calibration text of the identification information of camera module to be calibrated to background server request
Then demarcating file is stored and is come into force on mainboard by part, effectively improve the efficiency and accuracy of camera calibration, and is reduced
Calibration cost.
Fig. 4 is a kind of camera calibration device that the application 3rd embodiment provides.The camera calibration device is applied to
Terminal side.As shown in figure 4, the camera calibration device specifically includes that
Judgment module 401, for judging whether terminal currently meets preset camera calibration condition；
Generation module 402, for when meeting camera calibration condition, generating demarcating file acquisition request, and will calibration
File acquisition request is sent to background server；It include target camera mould to be calibrated in terminal in demarcating file acquisition request
The identification information of group；
First receiving module 403, for receiving the target designation text determined by background server corresponding to identification information
Part；
Control module 404 for storing target designation file in memory space on terminal mainboard, and controls
Target designation file comes into force in target camera module.
The camera calibration process of terminal ability triggering following when meeting preset condition, meets item in terminal in the present embodiment
Part and when needing to carry out camera calibration, terminal generate include camera to be calibrated identification information file acquisition request,
In, identification information can be the sequence number of camera module.
In addition, the demarcating file of camera module is provided on the background server of the present embodiment, it also will each camera
The identification information of mould group and the corresponding relationship of demarcating file are stored on background server in the form of concordance list, background server
After receiving demarcating file acquisition request, the identification information in request is extracted, and then determines corresponding demarcating file,
And terminal is made a response.
It should be noted that the mark corresponding to camera module to be calibrated that terminal will be requested to background server
The demarcating file of information, stores and is come into force on mainboard, completes the calibration of camera, effectively improves the efficiency of camera calibration
And accuracy, and reduce calibration cost.
In a kind of optional embodiment of the present embodiment, judgment module 401 is specifically used for judging whether terminal is currently located
Completion status is replaced in camera module, wherein when in camera module replacement completion status, meets camera calibration item
Part；Or, judging terminal currently whether in mainboard replacement completion status, wherein when in mainboard replacement completion status, meet
Camera calibration condition；Or, judging whether target camera module is in performance upset condition, wherein not normal in performance
When state, meet camera calibration condition；Or, judging whether terminal currently receives camera calibration instruction；It is taken the photograph receiving
When instructing surely as leader, meet camera calibration condition.
In a kind of optional embodiment of the present embodiment, the first receiving module 403 is specifically used for receiving background server
Rule is determined according to preset file, the identified target designation file from the multiple demarcating files for corresponding to identification information.
It further, further include wait mark in demarcating file acquisition request in a kind of optional embodiment of the present embodiment
The performance state of fixed target camera module, so that the first receiving module 403 is specifically used for receiving background server base
In performance state and the mapping relations of preset performance state and demarcating file, from corresponding to identification information
Identified target designation file in multiple demarcating files.
In a kind of optional embodiment of the present embodiment, when terminal includes multiple and different camera module, control
Module 404 in the memory space on terminal mainboard when being stored target designation file, specifically for being taken the photograph according to target
As the identification information of head mould group and the mapping relations of preset identification information and storage address, determine that corresponding to target images
The target storage address of the identification information of head mould group；By target designation file on terminal mainboard, correspond to target storage address
Memory space in stored.
Further, in a kind of optional embodiment of the present embodiment, camera calibration device further include: test mould
Block, for before being stored target designation file in memory space on terminal mainboard, at the terminal to target mark
Determine file and carry out calibration performance test, obtains test result；Judge whether test result meets preset calibration performance requirement；?
When meeting calibration performance requirement, the step of being stored target designation file in the memory space on terminal mainboard is executed.
Corresponding, also correspondence provides a kind of camera calibration device applied to background server side in the present embodiment.
As shown in figure 5, the camera calibration device specifically includes that
Second receiving module 501, for receiving demarcating file acquisition request transmitted by terminal；Demarcating file acquisition request
In include target camera module to be calibrated in terminal identification information；
Determining module 502, for based in demarcating file acquisition request identification information and preset identification information with
The mapping relations of demarcating file determine the target designation file for corresponding to the identification information of target camera module；
Sending module 503, for target designation file to be sent to terminal；Target designation file is for terminal storage in master
In memory space on plate, and come into force in target camera module.
Specifically, can be demarcated in producing line to camera module, and before camera module factory by camera
The identification information of mould group and its corresponding nominal data are stored in background server in the form of concordance list, background server according to
Sequence number in demarcating file acquisition request indexes corresponding demarcating file, and the demarcating file is then sent to terminal.
In a kind of optional embodiment of the present embodiment, determining module 502 is specifically used for asking based on demarcating file acquisition
The mapping relations of identification information and preset identification information and demarcating file in asking determine and correspond to target camera mould
Multiple demarcating files of the identification information of group；Rule is determined according to preset file, and target mark is determined from multiple demarcating files
Determine file.
It further, further include wait mark in demarcating file acquisition request in a kind of optional embodiment of the present embodiment
The performance state of fixed target camera module, determining module 502 is determining rule according to preset file, from multiple marks
When determining to determine target designation file in file, specifically for the performance state according to the target camera module, and
The mapping relations of preset performance state and demarcating file determine from multiple demarcating files and correspond to performance state
Target designation file.
It should be noted that the camera calibration method in the first and second embodiment can be taken the photograph based on provided in this embodiment
As the realization of head caliberating device, those of ordinary skill in the art can be clearly understood that, for convenience and simplicity of description, this
The specific work process of camera calibration device described in embodiment, can be with reference to corresponding in preceding method embodiment
Journey, details are not described herein.
The camera calibration device according to provided by the present embodiment generates mark when terminal meets camera calibration condition
Determine file acquisition request, and demarcating file acquisition request is sent to background server；Background server is obtained according to demarcating file
The identification information for taking target camera module to be calibrated in terminal included in request determines corresponding target designation text
Part；Terminal receives the target designation file for corresponding to identification information determined by background server, and target designation file is existed
It is stored in memory space on terminal mainboard, then controls target designation file and come into force in target camera module.It is logical
The implementation of application scheme is crossed, terminal corresponds to the calibration of the identification information of camera module to be calibrated to background server request
Then demarcating file is stored and is come into force on mainboard by file, effectively improve the efficiency and accuracy of camera calibration, and is dropped
Low calibration cost.
Referring to Fig. 6, Fig. 6 is a kind of electronic device that the application fourth embodiment provides.The electronic device can be used for reality
Camera calibration method in existing previous embodiment.As shown in fig. 6, the electronic device specifically includes that
It memory 601, processor 602, bus 603 and is stored on memory 601 and can be run on processor 602
Computer program, memory 601 and processor 602 are connected by bus 603.It is real when processor 602 executes the computer program
Camera calibration method in existing previous embodiment.Wherein, the quantity of processor can be one or more.
Memory 601 can be high random access memory body (RAM, Random Access Memory) memory,
It can be non-labile memory (non-volatile memory), such as magnetic disk storage.Memory 601 can for storing
Program code is executed, processor 602 is coupled with memory 601.
Further, the embodiment of the present application also provides a kind of computer readable storage medium, the computer-readable storages
Medium can be in the electronic device being set in the various embodiments described above, which can be earlier figures 6
Memory in illustrated embodiment.
It is stored with computer program on the computer readable storage medium, which realizes aforementioned reality when being executed by processor
Apply the camera calibration method in example.Further, the computer can storage medium can also be USB flash disk, mobile hard disk, read-only deposit
The various media that can store program code such as reservoir (ROM, Read-Only Memory), RAM, magnetic or disk.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of module, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple module or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or module
It connects, can be electrical property, mechanical or other forms.
Module may or may not be physically separated as illustrated by the separation member, show as module
Component may or may not be physical module, it can and it is in one place, or may be distributed over multiple networks
In module.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, can integrate in a processing module in each functional module in each embodiment of the application
It is that modules physically exist alone, can also be integrated in two or more modules in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.
If integrated module is realized and when sold or used as an independent product in the form of software function module, can
To be stored in a computer readable storage medium.Based on this understanding, the technical solution of the application substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a readable storage medium storing program for executing, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) execute each embodiment method of the application whole or
Part steps.And readable storage medium storing program for executing above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can be with
Store the medium of program code.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not all be this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are retouching to camera calibration method provided herein, electronic device and computer readable storage medium
It states, for those skilled in the art, according to the thought of the embodiment of the present application, can in specific embodiments and applications
There is change place, to sum up, the contents of this specification should not be construed as limiting the present application.
Claims (11)
1. a kind of camera calibration method is applied to terminal characterized by comprising
Judge whether terminal currently meets preset camera calibration condition；
When meeting the camera calibration condition, demarcating file acquisition request is generated, and by the demarcating file acquisition request
It is sent to background server；It include target camera module to be calibrated in the terminal in the demarcating file acquisition request
Identification information；
Receive the target designation file for corresponding to the identification information determined by the background server；
The target designation file is stored in the memory space on the terminal mainboard, and controls the target designation
File comes into force in the target camera module.
2. camera calibration method according to claim 1, which is characterized in that described to judge whether terminal currently meets pre-
If camera calibration condition include:
Judge terminal currently whether in camera module replacement completion status；Shape is completed in camera module replacement
When state, meet the camera calibration condition；
Or, judging terminal currently whether in mainboard replacement completion status；When in mainboard replacement completion status, meet
The camera calibration condition；
Or, judging whether the target camera module is in performance upset condition；It is full when being in the performance upset condition
The foot camera calibration condition；
Or, judging whether the terminal currently receives camera calibration instruction；When receiving camera calibration instruction,
Meet the camera calibration condition.
3. camera calibration method according to claim 1, which is characterized in that in the terminal include multiple and different take the photograph
It is described the target designation file is subjected to storage in the memory space on the terminal mainboard to include: when as head mould group
According to the mapping relations of the identification information of the target camera module and preset identification information and storage address,
Determine the target storage address for corresponding to the identification information of the target camera module；
By the target designation file on the terminal mainboard, carried out in the memory space corresponding to the target storage address
Storage.
4. camera calibration method according to any one of claim 1 to 3, which is characterized in that described by the target
Before demarcating file is stored in the memory space on the terminal mainboard, further includes:
Calibration performance test is carried out to the target designation file on the terminal, obtains test result；
Judge whether the test result meets preset calibration performance requirement；
When meeting the calibration performance requirement, the storage by the target designation file on the terminal mainboard is executed
The step of being stored in space.
5. a kind of camera calibration method is applied to background server characterized by comprising
Receive demarcating file acquisition request transmitted by terminal；It include in the terminal in the demarcating file acquisition request wait mark
The identification information of fixed target camera module；
Mapping based on the identification information in the demarcating file acquisition request and preset identification information and demarcating file is closed
System determines the target designation file for corresponding to the identification information of the target camera module；
The target designation file is sent to the terminal；The target designation file is for the terminal storage in mainboard
Memory space in, and come into force in the target camera module.
6. camera calibration method according to claim 5, which is characterized in that described to be asked based on demarcating file acquisition
The mapping relations of identification information and preset identification information and demarcating file in asking determine that corresponding to the target images
The target designation file of identification information of head mould group includes:
Mapping based on the identification information in the demarcating file acquisition request and preset identification information and demarcating file is closed
System determines the multiple demarcating files for corresponding to the identification information of the target camera module；
Rule is determined according to preset file, and target designation file is determined from the multiple demarcating file.
7. camera calibration method according to claim 6, which is characterized in that also wrapped in the demarcating file acquisition request
Include the performance state of target camera module to be calibrated, it is described that rule is determined according to preset file, from the multiple
Determine that target designation file includes: in demarcating file
Performance state and preset performance state and demarcating file based on the target camera module are reflected
Relationship is penetrated, target designation file is determined from the multiple demarcating file.
8. a kind of camera calibration device is applied to terminal characterized by comprising
Judgment module, for judging whether terminal currently meets preset camera calibration condition；
Generation module generates demarcating file acquisition request for when meeting the camera calibration condition, and by the calibration
File acquisition request is sent to background server；It include target to be calibrated in the terminal in the demarcating file acquisition request
The identification information of camera module；
First receiving module, for receiving the target designation text determined by the background server corresponding to the identification information
Part；
Control module for storing the target designation file in the memory space on the terminal mainboard, and is controlled
The target designation file is made to come into force in the target camera module.
9. a kind of camera calibration device is applied to background server characterized by comprising
Second receiving module, for receiving demarcating file acquisition request transmitted by terminal；In the demarcating file acquisition request
Identification information including target camera module to be calibrated in the terminal；
Determining module, for based on the identification information and preset identification information and mark in the demarcating file acquisition request
Determine the mapping relations of file, determines the target designation file for corresponding to the identification information of the target camera module；
Sending module, for the target designation file to be sent to the terminal；The target designation file is used for the end
It holds in the memory space being stored on mainboard, and comes into force in the target camera module.
10. a kind of electronic device, comprising: memory, processor and be stored on the memory and can be on the processor
The first computer program or second computer program of operation, which is characterized in that the processor executes first computer
When program, realize such as the step in any one of Claims 1-4 the method, processor execution second meter
When calculation machine program, realize such as the step in any one of claim 5 to 7 the method.
11. a kind of computer readable storage medium is stored thereon with the first computer program or second computer program, feature
It is, when first computer program is executed by processor, realizes such as any one the method in Claims 1-4
In step, when the second computer program is executed by processor, realize as described in any one in claim 5 to 7
Step in method.
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| CN201910421682.6A CN110136209B (en) | 2019-05-21 | 2019-05-21 | Camera calibration method and device and computer readable storage medium |
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