CN106507098B - The method and apparatus of data processing - Google Patents
The method and apparatus of data processing Download PDFInfo
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- CN106507098B CN106507098B CN201610885737.5A CN201610885737A CN106507098B CN 106507098 B CN106507098 B CN 106507098B CN 201610885737 A CN201610885737 A CN 201610885737A CN 106507098 B CN106507098 B CN 106507098B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
Abstract
The present invention proposes a kind of method of data processing, including：Camera module calibration data is read from disposable programmable memory OTP；Camera module calibration data is encrypted；Encrypted camera module calibration data is saved as into system file.The present invention by camera data by saving as system file, it is low to solve camera exploitation debugging efficiency in the prior art, pickup quality problem is not easy to analyze and solve the problems, such as, realizes and reduce the camera development cycle, improves analysis and solves the problems, such as the efficiency of pickup quality.In addition, the invention also provides a kind of devices of data processing.
Description
Technical field
The present invention relates to camera technical fields, more particularly to a kind of method and apparatus of data processing.
Background technology
As the application of the high-pixel cameras such as 5M (million), 8M, 12M in the terminal is more and more extensive, mobile terminal
User it is higher and higher to the imaging effect and quality requirements of the camera of mobile terminal, in order to promote the consistent of camera module
Property and various aspects performance, be widely used in camera module OTP (One Time Programmable, it is disposable to compile
Journey) technology.
In the prior art, when the camera of mobile terminal when something goes wrong, mobile terminal can be obtained from otp memory
To effective information, there is the problem reasons for its use and reason to analyze, current way is typically from NVM
OTP data are obtained in (Nonvolatile Memory, nonvolatile storage) directly gives ISP (Image Signal
Processor, image-signal processor) it is handled, since otp memory itself is solidificated in specific chip, need to pass through
The method of profession could obtain the effective information in OTP, therefore will appear problems with：
First, the debugging stage is developed in the camera of mobile terminal, when the picture hair in various place shooting different scenes
When having showed abnormal, if thinking, mobile terminal must just be taken back research and development centre and analyzed by inspection problem, which inefficiency, greatly
It increases and adds the development cycle.
Second, after mobile terminal consigns to user, when quality problems in terms of user feedback image, need user will
Mobile terminal, which returns factory, to be given technical staff and analyzes, and which is unfavorable for rapidly analyzing and solving the problems, such as.
Invention content
Based on this, it is necessary to when something goes wrong for the quality of image captured by the camera of mobile terminal, be not easy to
The rapid row of progress finds the cause and is solved the problems, such as, provides a kind of method and apparatus of data processing.
A kind of method of data processing, including：
Camera module calibration data is read from disposable programmable memory OTP；
The camera module calibration data is encrypted；
The encrypted camera module calibration data is saved as into system file.
In one embodiment, described before reading camera module calibration data in OTP, including：
It confirmly detects camera and occurs exception in shooting process.
In one embodiment, the method further includes：
From reading the image data generated in the shooting process in the OTP；
The image data is encrypted；
The encrypted image data is saved as into system file.
In one embodiment, the method further includes：
It receives file and sends instruction；
It is sent and is instructed according to the file, system text of the selection comprising the encrypted camera module calibration data
Part or the system file for including the encrypted image data；The system file of selection is sent to reception
End.
In one embodiment, the camera module calibration data includes at least one of following：Red value and green value
The ratio B/G of ratio R/G, blue valve and green value, auto-focusing position, camera module mark.
A kind of device of data processing, including：
Data read module, for reading camera module calibration data from OTP；
Data encryption module, for the camera module calibration data to be encrypted；
System file preserving module, for the encrypted camera module calibration data to be saved as system file.
In one embodiment, described device further includes：
Detection module is used in the data read module before reading camera module calibration data in the OTP, really
Regular inspection measures camera and occurs exception in shooting process.
In one embodiment, the data read module is additionally operable to produce from reading in the shooting process in the OTP
Raw image data；
The data encryption module is additionally operable to the image data being encrypted；
The system file preserving module is additionally operable to the encrypted image data saving as system file.
In one embodiment, described device further includes：
Command reception module sends instruction for receiving file；
System file selecting module is instructed for being sent according to the file, and selection encrypted described is taken the photograph comprising described
As module calibration data system file or include the system file of the encrypted image data；
System file sending module, for the system file of selection to be sent to receiving terminal.
In one embodiment, the camera module calibration data includes at least one of following：Red value and green value
The ratio B/G of ratio R/G, blue valve and green value, auto-focusing position, camera module mark.
The method and apparatus of above-mentioned data processing, by reading camera module school from disposable programmable memory OTP
Then quasi- data are encrypted camera module calibration data, and encrypted camera module calibration data is saved as system
File, due to being system file, so the operations such as can easily be obtained, be sent, and due to be it is encrypted, it is irrelevant
Personnel can not also obtain, and system file can be sent to relevant technical staff by mobile terminal, and related technical personnel just can be right
The related data of camera is analyzed, and to improve the exploitation debugging efficiency of camera, reduces the development cycle, meanwhile,
The pickup quality that camera occurs is analyzed and solved the problems, such as rapidly convenient for related technical personnel.
Description of the drawings
Fig. 1 is a kind of flow diagram of the method for data processing in an embodiment；
Fig. 2 is a kind of flow diagram of the method for data processing in another embodiment；
Fig. 3 is a kind of flow diagram of the method for data processing in another embodiment；
Fig. 4 is a kind of flow diagram of the method for data processing in another embodiment；
Fig. 5 is the structural schematic diagram of the device of data processing in an embodiment；
Fig. 6 is the structural schematic diagram of the device of data processing in another embodiment；
Fig. 7 is the structural schematic diagram of the device of data processing in another embodiment.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, in one embodiment it is proposed that a kind of method of data processing, this method are applied to be equipped with
In the mobile terminal of camera, specifically comprise the following steps：
Step S102：Camera module calibration data is read from disposable programmable memory OTP.
Specifically, camera module calibration data is the adjusting parameter being arranged for photographic device, camera module calibration data can
To include at least one of following：The ratio B/G of ratio R/G of red value and green value, blue valve and green value, auto-focusing position
It sets, camera module mark.
OTP is a kind of disposable programmable memory, can preserve above-mentioned camera module calibration data, when mobile terminal images
Effective information during camera shooting can be stored in OTP by head when problem occurs during camera shooting, and OTP solidifications are in control core
In piece.
Wherein, mobile terminal can read R/G values and B/G values when showing image, gain values be obtained by calculation, and will
Gain values are applied in above-mentioned image, for preventing above-mentioned image color cast；Automatic focusing position AF position are read, are used for
Promote the speed and accuracy of focusing.Therefore, the original of detection image poor display effect is capable of by camera module calibration data
Cause.
Step S104：The camera module calibration data is encrypted.
Specifically, after reading camera module calibration data in disposable programmable memory OTP, mobile terminal is to camera shooting
Module calibration data is encrypted, and in specific implementation, common plaintext cipher mode may be used；Alternatively, can also use
DES (Data Encryption Standard, data encryption standards), 3DES (Triple DES, triple DES),
IDEA (International Data Encryption Algorithm, international data encryption algorithm), AES (Advanced
Encryption Standard, Advanced Encryption Standard) etc. common key algorithm be encrypted；Alternatively, SHA can also be used
(Secure Hash Algorithm, Secure Hash Algorithm), MAC (Message Authentication Code, message authentication
Code), the one-way Hash algorithms such as CRC (Cyclic Redundancy Check, cyclic redundancy check code) are encrypted.
Step S106：The encrypted camera module calibration data is saved as into system file.
Specifically, above system file refers to that storage has the text in the file of mobile terminal operating system master file
Part, i.e., after camera module calibration data is encrypted, encrypted camera module calibration data is stored in and deposits by mobile terminal
It is placed in the file of mobile terminal operating system master file.
In the present embodiment, by reading the camera module calibration data in OTP, the camera module calibration data of reading is added
System file is saved as after close, due to being system file, so camera module calibration data can be obtained easily, be sent
Deng operation, and due to being encrypted, irrelevant personnel can not also obtain, and system file can be sent to correlation by mobile terminal
Technical staff, related technical personnel just can analyze the related data of camera, to improve the exploitation of camera
Debugging efficiency reduces the development cycle, meanwhile, also allow for related technical personnel's camera shooting matter that analysis and solution camera occur rapidly
Amount problem.
As shown in Fig. 2, in the second embodiment, it is proposed that a kind of method of data processing, in the base of above-described embodiment
On plinth, in step S102：Before the step of reading camera module calibration data in OTP, further include：
Step S202：It confirmly detects camera and occurs exception in shooting process.
Specifically, mobile terminal is detected camera by detection algorithm in shooting process, detection camera is being clapped
Take the photograph it is whether normal in the process, can be by pre-setting image parameter threshold range, if the corresponding ginseng of image in specific implementation
Number is in above-mentioned parameter threshold range, then it is assumed that camera is normal；If the correspondence parameter of image is not in above-mentioned parameter threshold range
It is interior, then it is assumed that camera is abnormal.Alternatively, can also judge whether camera is normal by mobile end subscriber.
In the present embodiment, by increase to camera in shooting process whether normal judgment step, effectively avoid nothing
The appearance for imitating operation, enhances the validity of data processing.
As shown in figure 3, in third embodiment, it is proposed that a kind of method of data processing, in the base of above-described embodiment
On plinth, further include：
Step S302：From reading the image data generated in the shooting process in the OTP.
Specifically, image data, which refers to camera, carries out generated image data in shooting process, may include：It is photosensitive
The data such as degree, shutter, aperture, exposure value, viewfinder mode, OTP can preserve above-mentioned image data.
Step S304：The image data is encrypted.
Specifically, after the image data generated in reading shooting process in disposable programmable memory OTP, it is mobile
Image data is encrypted at end, and in specific implementation, common plaintext cipher mode may be used；Alternatively, can also use DES,
The common key algorithm such as 3DES, IDEA, AES is encrypted；Alternatively, the one-way Hash algorithms such as SHA, MAC, CRC can also be used
It is encrypted.
Step S306：The encrypted image data is saved as into system file.
Specifically, after image data is encrypted, encrypted image data is stored in storage by mobile terminal shifting
In the file of moved end operating system master file.
In the present embodiment, by reading the image data in OTP, system text is saved as after the image data of reading is encrypted
Part, due to being system file, so image data such as can easily be obtained, be sent at the operations, and due to be it is encrypted,
Irrelevant personnel can not also obtain, and system file can be sent to relevant technical staff by mobile terminal, related technical personnel
Just the related data of camera can be analyzed, to improve the exploitation debugging efficiency of camera, reduces the development cycle, together
When, it also allows for related technical personnel and analyzes and solve the problems, such as rapidly the pickup quality that camera occurs.
As shown in figure 4, in the 4th embodiment, it is proposed that a kind of method of data processing, in the base of above-described embodiment
On plinth, further include：
Step S402：It receives file and sends instruction.
Specifically, mobile terminal, which receives the file that receiving terminal is sent, sends instruction；In addition, file transmission instruction can be by moving
The user at end initiates, i.e., during user's use, when mobile terminal camera photographic effect when something goes wrong, user actively sends out
It plays file and sends instruction.
Step S404：It is sent and is instructed according to the file, selection calibrates number comprising the encrypted camera module
According to system file or include the system file of the encrypted image data.
Specifically, it includes system file type that above-mentioned file, which is sent in instruction, system file type has：Including camera module
Calibration data system file type and include viewdata file type.
Mobile terminal according to system file type, system file of the selection comprising encrypted camera module calibration data or
Include the system file of encrypted image data.
Step S406：The system file of selection is sent to receiving terminal.
Specifically, after the selection for completing system file, the system file of selection is sent to receiving terminal by mobile terminal, is elected to
When selecting the system file comprising encrypted camera module calibration data, send comprising encrypted camera module calibration data
System file is to receiving terminal；When selection includes the system file of encrypted image data, it includes encrypted image to send
The system file of data is to receiving terminal.
In the present embodiment, by reading camera module calibration data or image data in OTP, by the camera module of reading
System file is saved as after calibration data or image data encryption, then is sent to instruct by file and the operations such as obtained, sent,
And due to being encrypted, irrelevant personnel can not also obtain, and system file can be sent to relevant technology by mobile terminal
Personnel, related technical personnel just can analyze the related data of camera, and effect is debugged in the exploitation to improve camera
Rate reduces the development cycle, meanwhile, it also allows for related technical personnel's pickup quality that analysis and solution camera occur rapidly and asks
Topic.
Realization based on above method embodiment, the present invention also provides one-to-one device embodiments.
As shown in figure 5, in one embodiment it is proposed that a kind of device of data processing, the device can be to be equipped with
The mobile terminal of camera, specifically includes：
Data read module 120, for reading camera module calibration data from disposable programmable memory OTP.
Specifically, camera module calibration data is the adjusting parameter being arranged for photographic device, camera module calibration data can
To include at least one of following：The ratio B/G of ratio R/G of red value and green value, blue valve and green value, auto-focusing position
It sets, camera module mark.
OTP is a kind of disposable programmable memory, can preserve above-mentioned camera module calibration data, when mobile terminal images
Effective information during camera shooting can be stored in OTP by head when problem occurs during camera shooting, and OTP solidifications are in control core
In piece.
Wherein, mobile terminal can read R/G values and B/G values when showing image, gain values be obtained by calculation, and will
Gain values are applied in above-mentioned image, for preventing above-mentioned image color cast；Automatic focusing position AF position are read, are used for
Promote the speed and accuracy of focusing.Therefore, the original of detection image poor display effect is capable of by camera module calibration data
Cause.
Data encryption module 140, for the camera module calibration data to be encrypted.
Specifically, after reading camera module calibration data in disposable programmable memory OTP, data encryption module
140 pairs of camera module calibration data are encrypted, and in specific implementation, common plaintext cipher mode may be used；Alternatively, also
The common key algorithm such as DES, 3DES, IDEA, AES may be used to be encrypted；Alternatively, SHA, MAC, CRC etc. can also be used
One-way Hash algorithm is encrypted.
System file preserving module 160, for the encrypted camera module calibration data to be saved as system file.
Specifically, above system file refers to that storage has the text in the file of mobile terminal operating system master file
Part, i.e., after camera module calibration data is encrypted, system file preserving module 160 calibrates encrypted camera module
Data, which are stored in storage, to be had in the file of mobile terminal operating system master file.
In the present embodiment, by reading the camera module calibration data in OTP, the camera module calibration data of reading is added
System file is saved as after close, due to being system file, so camera module calibration data can be obtained easily, be sent
Deng operation, and due to being encrypted, irrelevant personnel can not also obtain, and system file can be sent to correlation by mobile terminal
Technical staff, related technical personnel just can analyze the related data of camera, to improve the exploitation of camera
Debugging efficiency reduces the development cycle, meanwhile, also allow for related technical personnel's camera shooting matter that analysis and solution camera occur rapidly
Amount problem.
As shown in fig. 6, in the second embodiment, it is proposed that a kind of device of data processing, in the base of above-described embodiment
On plinth, which further includes：
There is exception in shooting process for confirmly detecting camera in detection module 220.
Specifically, mobile terminal is detected camera by detection algorithm in shooting process, detection camera is being clapped
Take the photograph it is whether normal in the process, can be by pre-setting image parameter threshold range, if the corresponding ginseng of image in specific implementation
Number is in above-mentioned parameter threshold range, then it is assumed that camera is normal；If the correspondence parameter of image is not in above-mentioned parameter threshold range
It is interior, then it is assumed that camera is abnormal.Alternatively, can also judge whether camera is normal by mobile end subscriber.
Further, data read module 120 are additionally operable to from reading the shadow generated in the shooting process in the OTP
As data.
Specifically, image data, which refers to camera, carries out generated image data in shooting process, may include：It is photosensitive
The data such as degree, shutter, aperture, exposure value, viewfinder mode, OTP can preserve above-mentioned image data.
Data encryption module 140 is additionally operable to the image data being encrypted.
Specifically, after the image data generated in reading shooting process in disposable programmable memory OTP, data
Encrypting module 140 encrypts image data, and in specific implementation, common plaintext cipher mode may be used；Alternatively, can be with
It is encrypted using the common key algorithm such as DES, 3DES, IDEA, AES；Alternatively, SHA, MAC, CRC etc. can also be used unidirectional
Hashing algorithm is encrypted.
System file preserving module 160 is additionally operable to the encrypted image data saving as system file.
Specifically, after image data is encrypted, system file preserving module 160 protects encrypted image data
Being stored in storage has in the file of mobile terminal operating system master file.
In the present embodiment, by whether normally being judged in shooting process camera, invalid operation is effectively avoided
Occur, enhances the validity of data processing；In addition, by reading the image data in OTP, after the image data of reading is encrypted
System file is saved as, due to being system file, so image data such as can easily be obtained, be sent at the operations, and
Due to being encrypted, irrelevant personnel can not also obtain, and system file can be sent to relevant technical staff by mobile terminal,
Related technical personnel just can analyze the related data of camera, to improve the exploitation debugging efficiency of camera, subtract
Few development cycle, meanwhile, it also allows for related technical personnel and analyzes and solve the problems, such as rapidly the pickup quality that camera occurs.
As shown in fig. 7, in third embodiment, it is proposed that a kind of device of data processing, in the base of above-described embodiment
On plinth, further include：
Command reception module 420 sends instruction for receiving file.
Specifically, command reception module 420, which receives the file that receiving terminal is sent, sends instruction；In addition, file sends instruction
Can be initiated by the user of mobile terminal, i.e., during user's use, when mobile terminal camera photographic effect when something goes wrong,
User actively initiates file and sends instruction.
System file selecting module 440 is instructed for being sent according to the file, and selection is comprising described encrypted described
The system file of camera module calibration data or the system file for including the encrypted image data.
Specifically, it includes system file type that above-mentioned file, which is sent in instruction, system file type has：Including camera module
Calibration data system file type and include viewdata file type.
For system file selecting module 440 according to system file type, selection includes encrypted camera module calibration data
System file or include the system file of encrypted image data.
System file sending module 460, for the system file of selection to be sent to receiving terminal.
Specifically, after the selection for completing system file, system file sending module 460 sends the system file of selection
To receiving terminal, when selection includes the system file of encrypted camera module calibration data, it includes encrypted camera shooting to send
The system file of module calibration data is to receiving terminal；When selection includes the system file of encrypted image data, packet is sent
System file containing encrypted image data is to receiving terminal.
In the present embodiment, by reading camera module calibration data or image data in OTP, by the camera module of reading
System file is saved as after calibration data or image data encryption, then is sent to instruct by file and the operations such as obtained, sent,
And due to being encrypted, irrelevant personnel can not also obtain, and system file can be sent to relevant technology by mobile terminal
Personnel, related technical personnel just can analyze the related data of camera, and effect is debugged in the exploitation to improve camera
Rate reduces the development cycle, meanwhile, it also allows for related technical personnel's pickup quality that analysis and solution camera occur rapidly and asks
Topic.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of method of data processing, which is characterized in that the method includes：
It confirmly detects camera and occurs exception in shooting process；
Camera module calibration data is read from disposable programmable memory OTP；
The camera module calibration data is encrypted；
The encrypted camera module calibration data is saved as into system file.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
From reading the image data generated in the shooting process in the OTP；
The image data is encrypted；
The encrypted image data is saved as into system file.
3. according to the method described in claim 2, it is characterized in that, the method further includes：
It receives file and sends instruction；
According to the file send instruct, selection comprising the encrypted camera module calibration data system file or
Person includes the system file of the encrypted image data；
The system file of selection is sent to receiving terminal.
4. method according to any one of claims 1 to 3, which is characterized in that the camera module calibration data include with
It is at least one of lower：The ratio B/G of ratio R/G of red value and green value, blue valve and green value, auto-focusing position, camera shooting
Module identifies.
5. a kind of device of data processing, which is characterized in that described device includes：
There is exception in shooting process for confirmly detecting camera in detection module；
Data read module, for reading camera module calibration data from OTP；
Data encryption module, for the camera module calibration data to be encrypted；
System file preserving module, for the encrypted camera module calibration data to be saved as system file.
6. device according to claim 5, which is characterized in that the data read module is additionally operable to read from the OTP
Take the image data generated in the shooting process；
The data encryption module is additionally operable to the image data being encrypted；
The system file preserving module is additionally operable to the encrypted image data saving as system file.
7. device according to claim 6, which is characterized in that described device further includes：
Command reception module sends instruction for receiving file；
System file selecting module is instructed for being sent according to the file, and selection includes the encrypted camera shooting mould
The system file of group calibration data or the system file for including the encrypted image data；
System file sending module, for the system file of selection to be sent to receiving terminal.
8. according to claim 5 to 7 any one of them device, which is characterized in that the camera module calibration data include with
It is at least one of lower：The ratio B/G of ratio R/G of red value and green value, blue valve and green value, auto-focusing position, camera shooting
Module identifies.
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| CN101556560B (en) * | 2008-04-09 | 2011-05-04 | 群联电子股份有限公司 | Storage device, controller and data access method thereof |
| US10598525B2 (en) * | 2010-08-27 | 2020-03-24 | Micron Motion, Inc. | Sensor assembly validation |
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| EP2763071A1 (en) * | 2013-01-31 | 2014-08-06 | Sensirion AG | Authentication of a chemical sensor in a portable electronic device |
| CN103763469A (en) * | 2014-01-03 | 2014-04-30 | 浙江宇视科技有限公司 | Simulation camera and parameter configuration method thereof |
| EP2950058B1 (en) * | 2014-05-28 | 2018-03-28 | Axis AB | Calibration data in a sensor system |
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