CN107659810A - A kind of OTP method for burn-recording of camera module - Google Patents
A kind of OTP method for burn-recording of camera module Download PDFInfo
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- CN107659810A CN107659810A CN201710977578.6A CN201710977578A CN107659810A CN 107659810 A CN107659810 A CN 107659810A CN 201710977578 A CN201710977578 A CN 201710977578A CN 107659810 A CN107659810 A CN 107659810A
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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
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Abstract
The invention discloses a kind of OTP method for burn-recording of camera module, comprise the following steps：A：Standard imaging parameters of the acquisition standard module in different burning light sources；B：Different camera modules during burning, obtain the original image parameter of different camera modules under different burning light sources；C：The standard module that the original image parameter of the step B camera modules obtained and step A are obtained is in the standard imaging parameters OTP that the camera module is entered in burning together under identical burning light source.The OTP method for burn-recording of the camera module, the imaging effect uniformity for the camera module that OTP burnings are carried out under different burning light sources can be improved.
Description
Technical field
The present invention relates to the OTP method for burn-recording of field of photography, more particularly to a kind of camera module.
Background technology
With the fast development of mobile phone camera module, requirement more and more higher of the client to the imaging effect of camera module.
But each camera module is only difficult by the imaging parameters of a set of fixation because the difference of individual, its imaging effect are not quite similar
All camera modules are made all to reach consistent imaging effect.
, typically can be by camera module before camera module dispatches from the factory in order to improve the imaging effect uniformity of camera module
Original image parameter and calibration imaging parameters burning are entered in OTP, and client only need to read advance burning when using camera module
Original image parameter in OTP and calibration imaging parameters simultaneously calculate yield value, then set yield value into image, just
The consistent of imaging effect can be realized between camera module.
But camera module may carry out OTP burnings under different burning light sources, and in color between different burning light sources
It can not gently accomplish completely that unanimously this results in the shooting that OTP burnings are carried out under different burning light sources in the parameter such as brightness
The imaging effect of module is inconsistent, for example colour cast and brightness not parity problem occurs.
The content of the invention
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides a kind of OTP method for burn-recording of camera module, Ke Yiti
The imaging effect uniformity of the high camera module that OTP burnings are carried out under different burning light sources.
The technical problems to be solved by the invention are achieved by the following technical programs：
A kind of OTP method for burn-recording of camera module, comprises the following steps：
A：Standard imaging parameters of the acquisition standard module in different burning light sources；
B：Different camera modules during burning, obtain the original image parameter of different camera modules under different burning light sources；
C：The standard module that the original image parameter of the step B camera modules obtained and step A are obtained is in identical burning light source
Under standard imaging parameters burning is entered in the OTP of the camera module together.
Further, the step A includes：
A1：Standard picture of the collection standard module in different burning light sources；
A2：According to the standard picture in step A1, standard imaging parameters of the standard module in different burning light sources are calculated.
Further, the step B includes：
B1：Different camera modules during burning, gather the original image of different camera modules under different burning light sources；
B2：Original image in foundation step B1, calculate the original image parameter of different camera modules.
Further, the standard module includes at least one finished product module for having completed OTP burnings, different finished product modules
Imaging parameters under identical burning light source are same or like.
Further, the quantity of the finished product module is one, in step, is obtained using same finished product module
The standard imaging parameters of different burning light sources.
Further, the quantity of the finished product module is two or more, in step, using same composition product
Module obtains the average imaging parameters of different burning light sources as standard imaging parameters.
Further, the quantity of the finished product module is two or more, in step, by all finished product modules
It is divided into two groups or more, different composition product modules are applied to different burning light sources, are obtained using different composition product modules
The standard imaging parameters of different burning light sources.
Further, the quantity of a composition product module is at least one.
Further, one composition product module quantity be two or more, using often form product module be averaged into
As parameter is as standard imaging parameters.
Further, imaging parameters include at least one in R/G values, B/G values and brightness value.
The present invention has the advantages that：The OTP method for burn-recording of the camera module is by camera module and standard mould splits
Original image parameter and all burnings of standard imaging parameters not under identical burning light source are entered in OTP, due to different burning light sources
Corresponding standard imaging parameters are different, that is to say, that the camera module tool of OTP burnings is carried out under different burning light sources
There are various criterion imaging parameters, the difference of this standard imaging parameters embodies the difference of different burning light sources.Such client
When using camera module, it can compensate for not according to the yield value that the original image parameter in OTP and standard imaging parameters calculate
With the difference between burning light source, the imaging effect one for the camera module that OTP burnings are carried out under different burning light sources is improved
Cause property.
Brief description of the drawings
Fig. 1 is the step block diagram of the OYP method for burn-recording of camera module provided by the invention.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of OTP method for burn-recording of camera module, comprises the following steps：
A：Standard imaging parameters of the acquisition standard module in different burning light sources；
B：Different camera modules during burning, obtain the original image parameter of different camera modules under different burning light sources；
C：The standard module that the original image parameter of the step B camera modules obtained and step A are obtained is in identical burning light source
Under standard imaging parameters burning is entered in the OTP of the camera module together.
The OTP method for burn-recording of the camera module is by the original image parameter of the camera module obtained under identical burning light source
Standard imaging parameters all burnings with standard module are entered in OTP, because the standard imaging parameters corresponding to different burning light sources are
Different, that is to say, that the camera module for carrying out burning under different burning light sources has various criterion imaging parameters, this mark
The difference of quasi- imaging parameters embodies the difference of different burning light sources.So client is when using camera module, according in OTP
Original image parameter and the yield value that calculates of standard imaging parameters can compensate for difference between different burning light sources, improve
The imaging effect uniformity of the camera module of OTP burnings is carried out under different burning light sources.
Specifically, assuming that camera module 1 needs to carry out OTP burnings under light source A, camera module 2 needs to enter under light source B
Row OTP burnings, then the OTP method for burn-recording is specific as follows：
A：Standard imaging parameters A of the acquisition standard module under light source A, and, the standard imaging parameters B under light source B；
B：Original image parameter A of the camera module 1 under light source A is obtained, and, original image of the camera module 2 under light source B
Parameter B；
C：Standard imaging parameters A and original image parameter A burnings are entered in the OTP of camera module 1, by standard imaging parameters B and
Original image parameter B burnings are entered in the OTP of camera module 2.
Because camera module 1 is calibrated with standard imaging parameters A of the standard module under light source A, then burning
After record, the imaging effect of camera module 1 and the imaging effect of standard module are in any light source（Including light source B）Under be all phase one
Cause；Similarly, camera module 2 is calibrated under light source B with the standard imaging parameters B of standard module, then after burning, is taken the photograph
As the imaging effect of module 2 and the imaging effect of standard module are in any light source（Including light source A）Under be all consistent with.
Finally, the imaging effect between the camera module 1 of burning and camera module 2 is carried out respectively under different burning light sources
Fruit is all consistent with any light source.
The step A is specifically included：
A1：Standard picture of the collection standard module in different burning light sources；
A2：According to the standard picture in step A1, standard imaging parameters of the standard module in different burning light sources are calculated.
The step B is specifically included：
B1：Different camera modules during burning, gather the original image of different camera modules under different burning light sources；
B2：Original image in foundation step B1, calculate the original image parameter of different camera modules.
The standard module includes at least one finished product module for having completed OTP burnings, and different finished product modules are in identical burning
The imaging parameters recorded under light source are same or like.
In one embodiment, the quantity of the finished product module be one, in step, using same finished product module come
The standard imaging parameters of different burning light sources are obtained, can so ensure the mistake of the standard imaging parameters between different burning light sources
It is poor minimum, the imaging effect uniformity highest for the camera module that burning comes out under different burning light sources.
In another embodiment, the quantity of the finished product module is two or more, and in step, use is same
Composition product module obtains the average imaging parameters of different burning light sources as standard imaging parameters, can so prevent because single
The reasons such as finished product module damage cause the standard imaging parameters distortion during whole OTP burnings.
In another embodiment, the quantity of the finished product module is two or more, in step, by it is all into
Product module is divided into two groups or more, and different composition product modules are applied to different burning light sources, using different composition product modules
To obtain the standard imaging parameters of different burning light sources, so different burning light sources it is distant when（Such as different burnings
Light source is in the even not same plant area of different production lines）, can still ensure the imaging effect after camera module burning to greatest extent
Uniformity；Wherein, the quantity of a composition product module is at least one, when quantity is two or more, using often forming product
The average imaging parameters of module are as standard imaging parameters.
Imaging parameters include but is not limited at least one in R/G values, B/G values and brightness value etc..
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore the limitation to the scope of the claims of the present invention is interpreted as, as long as the skill obtained using the form of equivalent substitution or equivalent transformation
Art scheme, it all should fall within the scope and spirit of the invention.
Claims (10)
- A kind of 1. OTP method for burn-recording of camera module, it is characterised in that：Comprise the following steps：A：Standard imaging parameters of the acquisition standard module in different burning light sources；B：Different camera modules during burning, obtain the original image parameter of different camera modules under different burning light sources；C：By the standard module obtained in the original image parameter of the camera module obtained in step B and step A in identical burning Standard imaging parameters under light source together enter in the OTP of the camera module by burning.
- 2. the OTP method for burn-recording of camera module according to claim 1, it is characterised in that：The step A includes：A1：Standard picture of the collection standard module in different burning light sources；A2：According to the standard picture in step A1, standard imaging parameters of the standard module in different burning light sources are calculated.
- 3. the OTP method for burn-recording of camera module according to claim 1, it is characterised in that：The step B includes：B1：Different camera modules during burning, gather the original image of different camera modules under different burning light sources；B2：Original image in foundation step B1, calculate the original image parameter of different camera modules.
- 4. according to the OTP method for burn-recording of any described camera module in claim 1-3, it is characterised in that：The master die Group includes at least one finished product module for having completed OTP burnings, imaging parameters of the different finished product modules under identical burning light source It is same or like.
- 5. the OTP method for burn-recording of camera module according to claim 4, it is characterised in that：The quantity of the finished product module For one, in step, the standard imaging parameters of different burning light sources are obtained using same finished product module.
- 6. the OTP method for burn-recording of camera module according to claim 4, it is characterised in that：The quantity of the finished product module For two or more, in step, the average imaging parameters of different burning light sources are obtained using same composition product module As standard imaging parameters.
- 7. the OTP method for burn-recording of camera module according to claim 4, it is characterised in that：The quantity of the finished product module For two or more, in step, by all finished product mould splits into two groups or more, different composition product modules should For different burning light sources, the standard imaging parameters of different burning light sources are obtained using different composition product modules.
- 8. the OTP method for burn-recording of camera module according to claim 7, it is characterised in that：The quantity of one composition product module At least one.
- 9. the OTP method for burn-recording of camera module according to claim 8, it is characterised in that：The quantity of one composition product module For two or more, using often form product module average imaging parameters as standard imaging parameters.
- 10. according to the OTP method for burn-recording of any described camera module in claim 1-3, it is characterised in that：Imaging parameters bag Include at least one in R/G values, B/G values and brightness value.
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| CN201710977578.6A CN107659810A (en) | 2017-10-19 | 2017-10-19 | A kind of OTP method for burn-recording of camera module |
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| CN201710977578.6A CN107659810A (en) | 2017-10-19 | 2017-10-19 | A kind of OTP method for burn-recording of camera module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587476A (en) * | 2019-01-10 | 2019-04-05 | 横店集团东磁有限公司 | A method of reducing board difference influences mould group consistency |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103024280A (en) * | 2012-12-28 | 2013-04-03 | 昆山丘钛微电子科技有限公司 | OTP (one time programmable) burner for camera modules |
| CN103067739A (en) * | 2012-12-28 | 2013-04-24 | 昆山丘钛微电子科技有限公司 | Camera module set one time programmable (OTP) burning photosource coefficient remedying and controlling method |
| CN103412781A (en) * | 2013-08-27 | 2013-11-27 | 信利光电股份有限公司 | Burning method for one-time programmable (OTP) chips |
-
2017
- 2017-10-19 CN CN201710977578.6A patent/CN107659810A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024280A (en) * | 2012-12-28 | 2013-04-03 | 昆山丘钛微电子科技有限公司 | OTP (one time programmable) burner for camera modules |
| CN103067739A (en) * | 2012-12-28 | 2013-04-24 | 昆山丘钛微电子科技有限公司 | Camera module set one time programmable (OTP) burning photosource coefficient remedying and controlling method |
| CN103412781A (en) * | 2013-08-27 | 2013-11-27 | 信利光电股份有限公司 | Burning method for one-time programmable (OTP) chips |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587476A (en) * | 2019-01-10 | 2019-04-05 | 横店集团东磁有限公司 | A method of reducing board difference influences mould group consistency |
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