CN105791656A - Correction system and method of image module optical image stabilizer system - Google Patents

Correction system and method of image module optical image stabilizer system Download PDF

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CN105791656A
CN105791656A CN201410796257.2A CN201410796257A CN105791656A CN 105791656 A CN105791656 A CN 105791656A CN 201410796257 A CN201410796257 A CN 201410796257A CN 105791656 A CN105791656 A CN 105791656A
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image module
described image
optical anti
vibration system
gain value
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CN105791656B (en
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丁亮
王斌
张宝忠
王明珠
李建军
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Ningbo Sunny Opotech Co Ltd
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Ningbo Sunny Opotech Co Ltd
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Abstract

The invention provides a correction system and method of an image module optical image stabilizer system. The system comprises a test unit, an image obtaining unit and a vibration table. The image obtaining unit is in communication connection with at least one image module with an optical image stabilizer function, thus obtaining the image of a chart photographed by the image module. The test unit is in communication connection with an image test unit, thus analyzing the image information of the chart; the at least image module is placed on the vibration table; and through sequentially and selectively using the vibration table in the correction test, the test unit can obtain the optimum gyro gain value of the image module optical image stabilizer system.

Description

The correction system of a kind of image module optical anti-vibration system and method thereof
Technical field
The present invention relates to the correction system of a kind of image module optical anti-vibration system, the correction system of especially a kind of image module optical anti-vibration system and method thereof.
Background technology
Along with the requirement of image module shooting effect is grown with each passing day, especially the mobile telephone image module being widely used, when taking pictures or record a video, the shake produced due to anthropic factor or environmental factors can make subject offset relative to original position on the image sensor, therefore image can be caused all the time along with shake plays pendulum, for solving the problems referred to above, optical anti-vibration (OIS:OpticalImageStabilizer) technology is arisen at the historic moment.
In the dynamic technology of optical anti-vibration, gyro sensor is the premise realizing image module optical anti-vibration function, gyro sensor (GyroSensor) is detected the shake of image module and is transmitted signals to microprocessor, and processor is by calculating the displacement needing to compensate and regulating the camera lens of image module and make the camera lens of image module be compensated so that image module is still able to blur-free imaging under jitter conditions at jitter direction and displacement.
In order to make the image module with optical anti-vibration function have better stabilization effect, the optical anti-vibration system of image module is corrected just there is profound significance.
Summary of the invention
It is an object of the present invention to provide the correction system of the dynamic system of a kind of image module optical anti-vibration, one test cell, one image acquisition unit, and a vibration table, described image acquisition unit is communicatively coupled at least one image module with optical anti-vibration function to obtain the image of the mark version of described image module picked-up, described test cell is communicatively coupled to described image measurement unit to analyze the image information detecting described mark version, at least one image module is placed in described vibration table, by selecting the described vibration table of use in correcting test in an orderly manner, described test cell is obtained the best gyro gain value of described image module optical anti-vibration system.
Another object of the present invention is to provide the correction system of a kind of image module optical anti-vibration system, described test cell includes one first memory element, described first memory element has focusing information to be rapidly completed the focus operation of described image module according to current object distance, and then improves the rectification testing efficiency of the correction system of the dynamic system of described image module optical anti-vibration.
Another object of the present invention is to provide the correction system of the dynamic system of a kind of image module optical anti-vibration, described test cell includes a detection unit, described detection unit storage has the target zone best gyro gain value with image module optical anti-vibration system described in fast search of the best gyro gain value of described image module optical anti-vibration system, and then improves the rectification testing efficiency of the correction system of the dynamic system of described image module optical anti-vibration.
Another object of the present invention is to provide the correction system of a kind of image module optical anti-vibration system, described test cell includes a computing unit and one second memory element, described computing unit is able to the best gyro gain value according to described image module optical anti-vibration system and calculates the DB value of its correspondence, and described second memory element is communicatively coupled to described computing unit to store the best gyro gain value of described image module optical anti-vibration system and described DB value.
Another object of the present invention is to provide the correction system of a kind of image module optical anti-vibration system, described test cell includes a judging unit, when described image module voice coil motor cannot proper motion, described DB value defective or described image module optical anti-vibration system best gyro gain value fail in described DB value and to be stored in described second memory element and be, described judging unit is sent error reporting and is gone out yield with the work efficiency of correction system and the product of described image module improving described image module optical anti-vibration test system.
Another object of the present invention is to provide the correction system of a kind of image module optical anti-vibration system, described detection unit is chosen the center of described the be image of image module and the equilibrium point of edge imaging effect when the best gyro gain value of described image module optical anti-vibration system is found in detection, and then avoids the ill-defined phenomenon of be image that described image module optical anti-vibration system causes.
Another object of the present invention is to provide the correction system of a kind of image module optical anti-vibration system, when the best gyro gain value of described image module optical anti-vibration system is found in the detection of described detection unit, described vibration table generation action vibration is to imitate described image module in the process of picked-up image because of artificially or the shake that causes of environmental factors.
For realizing object above, the present invention provides the correction system of a kind of image module optical anti-vibration system, and described system includes:
One test cell;
One image acquisition unit, described image acquisition unit is communicatively coupled at least one image module with optical anti-vibration function to obtain the image of the mark version of described image module picked-up, and described test cell is communicatively coupled to described image measurement unit to analyze the image information detecting described mark version;And
One vibration table, at least one image module is placed in described vibration table, and by selecting the described vibration table of use in correcting test in an orderly manner, described test cell is obtained the best gyro gain value of described image module optical anti-vibration system.
Preferably, described test cell farther includes one first memory element and a driver element, described driver element is connected to described first memory element and described image module, described first memory element storage has focusing information, the voice coil motor of described driver element image module according to described focusing information-driven, so that described image module completes rapid focus under current object distance, improves the rectification testing efficiency to described image module optical anti-vibration system.
Preferably, described test cell farther includes a detection unit, it is connected to described image acquisition unit to described detection unit communication, described detection unit storage has the target zone of the best gyro gain value of described image module optical anti-vibration system, described detection unit be able to the image of described mark version that obtains according to described image acquisition unit in described target zone fast searching to the best gyro gain value of described image module optical anti-vibration system.
Preferably, described test cell farther includes a computing unit and one second memory element, described second memory element is communicatively coupled to described computing unit, described computing unit is able to the best gyro gain value according to described image module optical anti-vibration system and calculates corresponding DB value, and described second memory element is stored the best gyro gain value of described image module optical anti-vibration system and described DB value.
Preferably, described test cell farther includes a judging unit, when described image module voice coil motor cannot proper motion, described DB value defective or described image module optical anti-vibration system best gyro gain value fail in described DB value and to be stored in described second memory element and be, described judging unit is sent error reporting and is gone out yield with the work efficiency of correction system and the product of described image module improving described image module optical anti-vibration test system.
It is worth mentioning that, the phenomenon of the be soft edge that the best gyro gain value of described image module optical anti-vibration system is the described center of the be image of image module and the equilibrium point of edge imaging effect to avoid the optical anti-vibration system of described image module and cause, the product improving described image module goes out yield.
It is worth mentioning that, when the focusing information of described first storage system is distance between described image module and described mark version as the object distance of described image module, described image module is able to the focus information corresponding to blur-free imaging, and wherein, the range of accommodation of described focusing information is 10cm-100cm.
Present invention also offers the antidote of a kind of image module optical anti-vibration system, described method comprises the steps:
A: drive the voice coil motor of image module to absorb the image of mark version;
B: judge the voice coil motor whether proper motion of described image module, be, then perform step B;No, then send error reporting;
C: obtain the best gyro gain value of described image module optical anti-vibration system, now, described image module when image module shooting capture described in the effect Imitating of vibration table because of artificially or the shake that causes of environmental factors;
D: judge that whether the DB value corresponding to best gyro gain value of described image module optical anti-vibration system is qualified, be, then perform step E;No, then send error reporting;And
E: store the best gyro gain value of described image module optical anti-vibration system and described DB value.
Preferably, described step A farther includes following steps: storage focusing information is done directly focusing with the current object distance according to described image module.
Preferably, described step C also comprises the steps:
C1: obtained the target zone at the best gyro gain value place of described image module optical anti-vibration system by slight bar, wherein, the target zone of the described image module of same batch is basically identical;And
C2: retrieve described target zone to obtain the best gyro gain value of described image module optical anti-vibration system.
Preferably, described step C2 farther includes following steps: obtain the optimum gain value of described image module to get rid of the ill-defined phenomenon of imaging owing to described image module optical anti-vibration system causes in conjunction with optical assessment.
Preferably, described step C farther includes step C3: calculate the described DB value corresponding to best gyro gain value of described image module optical anti-vibration system.
Preferably, the best gyro gain value also comprising the steps: after described step E to judge whether successfully to store described image module optical anti-vibration system and described DB value, be then complete the remedial action of described image module optical anti-vibration system;No, then send error reporting.
Accompanying drawing explanation
If Fig. 1 is the structural representation that a kind of image module optical anti-vibration of the present invention moves correction system one preferred embodiment of system.
If Fig. 2 is the part-structure schematic diagram that a kind of image module optical anti-vibration of the present invention moves correction system one preferred embodiment of system.
If Fig. 3 is that the present invention a kind of image module optical anti-vibration moves the best gyro gain value of the image module optical anti-vibration system of correction system one preferred embodiment of system and the graph of a relation of the image information of mark version.
If Fig. 4 A to Fig. 4 C is the different-effect figure presented that a kind of image module optical anti-vibration of the present invention moves the image module of correction system one preferred embodiment of system.
If Fig. 5 is the schematic flow sheet that a kind of image module optical anti-vibration of the present invention moves correction system one specific embodiment of system.
If Fig. 6 is the part schematic flow sheet that a kind of image module optical anti-vibration of the present invention moves the antidote of system.
If Fig. 7 is another part schematic flow sheet that a kind of image module optical anti-vibration of the present invention moves the antidote of system.
If Fig. 8 is the another part schematic flow sheet that the present invention a kind of image module optical anti-vibration moves the antidote of system.
Detailed description of the invention
Claim according to the present invention and description disclosure of that, described in technical scheme literary composition specific as follows.
It is the structural representation of correction system one preferred embodiment of the present invention a kind of image module optical anti-vibration system as shown in Figure 1 to Figure 2, the correction system of described image module optical anti-vibration system is once quickly completed the rectification of the dynamic function of the optical anti-vibration at least one image module with optical anti-vibration function to improve described image module focusing efficiency under jitter conditions and effect, and then the product improving described image module goes out yield and production efficiency.
Described image module is the camera module with optical anti-vibration function being applied to the electronic products such as laptop computer, panel computer, mobile phone and digital camera, in the preferred embodiment, for the described image module being applied to mobile phone.
Specifically, in one aspect of the invention, described image module optical anti-vibration correction system includes a test cell 100, one vibration table 200 and an image acquisition unit 300, described image acquisition unit 300 is communicatively coupled to described image module and described test cell 100, and described image module is placed in described vibration table 200 and marks version under the effect of described vibration table 200 to one and shoot to simulate the shake that the artificial or environmental factors that described image module is subject in shooting process causes.Wherein, described image acquisition unit 300 obtains the image of described mark version by being communicatively coupled to described image module, and then, described test cell 100 is able to judge described image module imaging contexts under jitter conditions and the optical anti-vibration system of described image module is corrected by the image of described mark version is analyzed, described image module is fast and effeciently focused, thus the product improving described image module goes out yield when artificial or environmental factors cause shake.
As shown in Figure 2, described test cell 100 farther includes one first memory element 101 and a driver element 102, described driver element 102 is connected to described image module and described first memory element 101, and described driver element 102 is driven the voice coil motor of described image module to regulate the camera lens module of described image module further to change the focal length of described image module.Wherein, at least one described image module is placed in described vibration table 200, and described mark version is placed in described vibration table 200 side and shoots capture for described image module.
Preferably, described first memory element 101 storage has the focusing information of described image module, described focusing information is in the object distance situation as described image module of the distance between described image module and described mark version, described image module is able to the positional information of the camera lens of described image module when blur-free imaging, namely corresponding under current object distance described image module is able to the focus information of blur-free imaging, and then, described driver element 102 is able to according to the focusing information in described first memory element 101, by driving the voice coil motor of described image module so that described image module blur-free imaging.
It is worth mentioning that, in the present embodiment, described focusing information is the distance between described image module and described mark version, the span of described focusing information is 10cm to 100cm, and then, described image module is able to directly obtain the focal length of described image module under this object distance according to current object distance so that described driver element 102 drives described voice coil motor action to regulate the focal length of the camera lens of described image module.
Preferably, it is stored in the described focusing information of described first memory element 101 to refer in particular to described image module and carry out auto-focusing and relation between its object distance and the focal length of correspondence during blur-free imaging.
It is worth mentioning that, described focusing information in described first memory element 101 makes described image module when described mark version is shot capture, being no longer necessary to be carried out focusing, thus being able to the time of economization house of correction cost, improving the rectification efficiency of described image module.
Preferably, described focusing information in described first memory element 101 is Programmable Design, and the focus condition of the described image module of same batch is consistent, and then, just the described image module being applied at least one batch by editing the described focusing information in described first memory element 101 is carrying out rapid focus during optical anti-vibration system is corrected, thus the efficiency that the optical anti-vibration system being improved described image module is corrected.
It is noted that be able to blur-free imaging for described image module and the image of the described mark version presented is analyzed, in the preferred embodiment, by selecting suitable light source to correct the insufficient light in test to compensate described image module stabilization system.
It is illustrated in figure 3 the target zone at the best gyro gain value place of described image module optical anti-vibration system, namely the graph of a relation between image information and the gyro gain value of described image module of described mark version is to obtain the best gyro gain value of described image module optical anti-vibration system, in the preferred embodiment, the image information of described mark version is the live width of described mark version, and the line width values of described mark version is more big, the optical anti-vibration effect of described image module is more good, that is, the best gyro gain value of the corresponding described image module optical anti-vibration system of the maximum of the line width values of described mark version.
It is worth mentioning that, described gyro gain value is that the gyro sensor of described image module is when described image module is vibrated, coefficient between the optical anti-vibration system of the corresponding described image module of the angular velocity of the described gyro sensor output electric current when effect, for the important parameter whether the optical anti-vibration system of described image module can normally act on.
It is noted that every described image module has and only has a best gyro gain value.
It is worth mentioning that, gyro gain correct be described image module optical anti-vibration system rectification test in of paramount importance part, its whole process has the scope of data of four bytes, is estimated follow-up production efficiency being produced far-reaching influence by fast searching in this scope to optimum gain value.Preferably, in the preferred embodiment, draw by each described image module of some batches is analyzed sampling, its distribution of gyro gain value of each described image module, minimum virtual value is basically identical, and then, it is able to adding up on the basis of the data obtained, after getting rid of invalid gyro gain scope, the hunting zone and the sampled point that make the best gyro gain value to described image module optical anti-vibration system are greatly reduced, thus the efficiency of the search effect of the best gyro gain value of described image module optical anti-vibration system is significantly improved.To sum up state, when described image module is carried out the rectification of optical anti-vibration system, the search of the best gyro gain value of described image module optical anti-vibration system is able to according to described image module batch and character etc. be preset with specific hunting zone, and then clearly the targeted in searching for the process of best gyro gain value of described image module optical anti-vibration system to promote the rectification efficiency of described image module optical anti-vibration system.
It is noted that when the gyro gain of described image module is corrected, if when not using described vibration table 200, the gyro gain correcting process of described image module is possessed high efficiency, but its effect is undesirable;When using described vibration table 200, the gyro gain of described image module is corrected and is obtained desirable effect, but its efficiency is not good.In the preferred embodiment, the correction system of described image module optical anti-vibration system uses described vibration table 200 by combining and does not use 200 two kinds of situations of described vibration table to combine quickly and accurately to obtain the optimum gain value of described image module optical anti-vibration system.
Specifically, the present embodiment preferably first obtains the target zone of the best gyro gain value place desired value of described image module optical anti-vibration system expeditiously when without described vibration table 200, described target zone is determined the approximate range of described best gyro gain value, then select described vibration table 200 that the target zone at described desired value place scans for segmentation again, and then it is able to when ensureing the best gyro gain value that high efficiency finds described image module optical anti-vibration system, ensure that the gyro gain value obtained is best gyro gain value, thus improving the described rectification efficiency of image module optical anti-vibration system and the product of described image module goes out yield.
It is noted that the target zone of the described image module of same batch is basically identical.
A detection unit 104 is also included at described test cell 100, the information of described target zone is preferably stored in described detection unit 104, and described detection unit 104 is communicatively coupled to described image acquisition unit 300 and detects with the target zone to maximum gyro gain value place.
Preferably, in the present embodiment, while the image of described mark version is detected to find optimum gain value by described detection unit 104, described detection unit 104 is balanced the center of the image of described mark version and the imaging effect at edge, obtain the center of the image of described mark version and the equilibrium point of edge imaging effect, thus being promoted described image module client's experience in actual use.
It is worth mentioning that, rectification to described image module optical anti-vibration system takes into account its center imaging effect in edge and is reduced the phenomenon of the soft edge caused due to the optical anti-vibration system of described image module, and then improving the imaging effect of described image module, the product improving described image module goes out yield.
When described image module is placed in described vibration table 200, the optical anti-vibration effect of the optical anti-vibration system of described image module, by shaking to imitate the shake that described image module causes when for shooting and finding a view because of artificial or environmental factors, is detected by described detection unit 104 by described vibration table 200 simultaneously.There is shown the demonstration graph of the coordinate system of the different imaging effect figure of described image module after described vibration table 200 switch is changed.Fig. 4 A is that described image module is for being subject to shooting effect figure when shaking, Fig. 4 B is described image module shooting effect figure, Fig. 4 C when not opening described optical anti-vibration system under vibrating conditions is described image module shooting effect figure when opening described optical anti-vibration system under vibrating conditions.The DB value of evaluation criterion as the optical anti-vibration system of described image module, its computing formula is DB=20log ((Cx-Ax)/(Bx-Ax)), when Cx is closer to Ax, described DB value is more big, that is, when Cx is closer to Ax, the image that described image module presents under vibrating conditions is more clear.
Described test cell 100 also includes computing unit 105 and one second memory element 106, described computing unit 105 is communicatively coupled to described detection unit 104 and described second memory element 106 respectively, and the image of described mark version that described computing unit 105 is able to described image module be obtained according to described detection unit 104 is analyzed obtaining the best gyro gain value of described image module optical anti-vibration system.And then, the best gyro gain value that described computing unit is able to according to described image module optical anti-vibration system calculates corresponding DB value, the DB value that described second memory element 106 is able to corresponding to the best gyro gain value to described image module optical anti-vibration system stores, thus completing the rectification of the optical anti-vibration system of described image module.
Preferably, described test cell 100 still further comprises with judging unit 103, described judging unit 103 is able to when described image module is carried out each action by the correction system of described image module optical anti-vibration system, whether the preferential effective object judging to correct step is in normal operating conditions, judge the whether kimonos requirement of the image of described mark version that obtains and various data simultaneously, and then the object being applied described in being got rid of is when being in off working state or the image obtained, data continue to correct to save the waste of unnecessary time and resource to the optical anti-vibration system of described image module in undesirable situation.
Such as the schematic flow sheet that Fig. 5 is preferred embodiment one specific embodiment, described image acquisition unit 300 is after obtaining the described mark domain picture captured by described image module, namely described mark domain picture is judged by described judging unit 103, if the image of described mark version is undesirable, then by the described module that affects, described mark version is shot again.
It is noted that described mark version is carried out in the process of capture, it is able to supply the means such as light with successfully to capture by addition, for instance, by adding the methods such as radiation source.
When the image of described mark version is used to the rectification test of the optical anti-vibration system of described image module, described driver element 102 is the voice coil motor of image module according to the focusing information-driven in described first memory element 101, described image module is made to complete focus operation under current object distance, now, described image module is able to blur-free imaging.Further, described judging unit 103 judges whether described voice coil motor has proper motion, if not, error reporting is then provided to stop the optical anti-vibration remedial action of described image module, thus be avoided must not under normal operation at described voice coil motor, time that the optical anti-vibration correction system of described image module continues described image module is carried out remedial action and causes and the waste of resource, avoid the situation of subsequent corrective action None-identified, continuation simultaneously.
When the voice coil motor that described judging unit 103 determines described image module is able to normal operation, described vibration table 200 starts to simulate the slight jitter that described image module causes in artificial or environmental factors, and described detection unit 104 is detected the best gyro gain value obtaining described image module optical anti-vibration system simultaneously.
It is worth mentioning that, described detection unit 104 obtain described image module optical anti-vibration system best gyro gain value while in conjunction with optical assessment, the best gyro gain value of described image module optical anti-vibration system obtained is made to be the described picture centre of mark version and gyro gain value when the image quality at edge is in good position, thus being reduced the phenomenon of the soft edge that the described image module caused by the optical anti-vibration system of described image module absorbs, promote the experience of client.Described computing unit 105 is able to further the best gyro gain value of described image module optical anti-vibration system is converted into DB value to be stored in described second memory element 106.
It is noted that while described second memory element 106 stores described DB value, also stored described best gyro gain value.
It is noted that before described second memory element 106 stores described DB value, described judging unit 103 is able to judge described DB value to determine that whether described DB value is qualified, if defective, provides error reporting.
Preferably, described judging unit 103 is also able to be stored in described second memory element 106 in described DB value and carries out detecting to differentiate whether described DB value is successfully stored in described second memory element 106, if it is not, then show error reporting.
As shown in Figure 6 to 8, in another aspect of this invention, present invention also offers the antidote of a kind of image module optical anti-vibration system, described method comprises the steps:
A: drive the voice coil motor of described image module to absorb the image of described mark version under current object distance;
B: judge the voice coil motor whether proper motion of described image module, be, then perform step B;No, then send error reporting;
C: obtain the best gyro gain value of described image module optical anti-vibration system, now, described image module image module described in the effect Imitating of described vibration table 200 when shooting capture because of artificially or the shake that causes of environmental factors;
D: judge that whether the DB value corresponding to best gyro gain value of described image module optical anti-vibration system is qualified, be, then perform step E;No, then send error reporting;And
E: store the best gyro gain value of described image module optical anti-vibration system and described DB value.
Described step A by described driver element 102 according to the described focusing information-driven in described first memory element 101 voice coil motor of image module to complete described image module focus operation under current object distance, and then it is rapidly completed the focus operation of described image module, improve the efficiency of the remedial action of described image module optical anti-vibration system.
Described step A farther includes following steps: store described focusing information in described first memory element 101, thus, the current object distance that described image module is able to according to described image module is done directly focusing.
Preferably, described step C also comprises the steps:
C1: obtained the target zone at the best gyro gain value place of described image module optical anti-vibration system by slight bar, wherein, the target zone of the described image module of same batch is basically identical;And
C2: retrieve described target zone to obtain the best gyro gain value of described image module optical anti-vibration system.
Described step C2 farther includes following steps: obtain the optimum gain value of described image module in conjunction with optical assessment, thus getting rid of the ill-defined phenomenon of imaging owing to described image module optical anti-vibration system causes.
Preferably, described step C farther includes step C3: calculate the described DB value corresponding to best gyro gain value of described image module optical anti-vibration system.
Preferably, the best gyro gain value also comprising the steps: after described step E to judge whether successfully to store described image module optical anti-vibration system and described DB value, be then complete the remedial action of the dynamic system of described image module optical anti-vibration;No, then send error reporting.
It is worth mentioning that, described image module optical anti-vibration is corrected the judgement action in test and is guaranteed that the error reporting flow scheme design in described test action makes the test of correcting of described image module optical anti-vibration system cannot normal operation at the voice coil motor running into described image module, or detection, storage the undesirable set of situation of data under, be avoided continuing remedial action and fail storage effective information and cause the waste in time, resource.
Foregoing is enumerating of specific embodiments of the invention, for equipment and the structure of wherein not detailed description, it should be understood that for taking the existing common apparatus in this area and universal method to be practiced.
The above embodiment of the present invention is only the use that technical solution of the present invention is described simultaneously, is only enumerating of technical solution of the present invention, is not limited to technical scheme and protection domain thereof.Equivalent technologies means, equivalent apparatus etc. are adopted to be considered to be the improvement of the technical scheme disclosed in claims of the present invention and description without departing from the scope disclosed in claims of the present invention and description.

Claims (17)

1. the antidote of an image module optical anti-vibration system, it is characterised in that described method comprises the steps:
A: drive the voice coil motor of image module to absorb the image of current object distance subscript version;
B: judge the voice coil motor whether proper motion of described image module, be, then perform step B;No, then send error reporting;
C: obtain the best gyro gain value of described image module optical anti-vibration system, now, described image module when image module shooting capture described in the effect Imitating of vibration table because of artificially or the shake that causes of environmental factors;
D: judge that whether the DB value corresponding to best gyro gain value of described image module optical anti-vibration system is qualified, be, then perform step E;No, then send error reporting;And
E: store the best gyro gain value of described image module optical anti-vibration system and described DB value.
2. the method for claim 1, described step A farther includes following steps: storage focusing information is done directly focusing with the current object distance according to described image module.
3. the method for claim 1, described step C also comprises the steps:
C1: obtained the target zone at the best gyro gain value place of described image module optical anti-vibration system by slight bar, wherein, the target zone of the described image module of same batch is basically identical;And
C2: retrieve described target zone to obtain the best gyro gain value of described image module optical anti-vibration system.
4. method as claimed in claim 2, described step C also comprises the steps:
C1: obtained the target zone at the best gyro gain value place of described image module optical anti-vibration system by slight bar, wherein, the target zone of the described image module of same batch is basically identical;And
C2: retrieve described target zone to obtain the best gyro gain value of described image module optical anti-vibration system.
5. method as claimed in claim 3, described step C2 farther includes following steps: obtain the optimum gain value of described image module to get rid of the ill-defined phenomenon of imaging owing to described image module optical anti-vibration system causes in conjunction with optical assessment.
6. method as claimed in claim 4, described step C2 farther includes following steps: obtain the optimum gain value of described image module to remove the ill-defined phenomenon of imaging owing to described image module optical anti-vibration system causes in conjunction with optical assessment.
7. the method for claim 1, described step C farther includes step C3: calculate the described DB value corresponding to best gyro gain value of described image module optical anti-vibration system.
8. method as claimed in claim 5, described step C farther includes step C3: calculate the described DB value corresponding to best gyro gain value of described image module optical anti-vibration system.
9. method as claimed in claim 6, described step C farther includes step C3: calculate the described DB value corresponding to best gyro gain value of described image module optical anti-vibration system.
10. the either method as described in claim 1-9, the best gyro gain value also comprising the steps: after described step E to judge whether successfully to store described image module optical anti-vibration system and described DB value, it is then complete the remedial action of described image module optical anti-vibration system;No, then send error reporting.
11. the correction system of an image module optical anti-vibration system, it is characterised in that described system includes:
One test cell;
One image acquisition unit, described image acquisition unit is communicatively coupled at least one image module with optical anti-vibration function to obtain the image of the mark version of described image module picked-up, and described test cell is communicatively coupled to described image measurement unit to analyze the image information detecting described mark version;And
One vibration table, at least one image module is placed in described vibration table, and by selecting the described vibration table of use in correcting test in an orderly manner, described test cell is obtained the best gyro gain value of described image module optical anti-vibration system.
12. system as claimed in claim 11, described test cell farther includes one first memory element and a driver element, described driver element is connected to described first memory element and described image module, described first memory element storage has focusing information, the voice coil motor of described driver element image module according to described focusing information-driven, so that described image module completes rapid focus under current object distance, improves the rectification testing efficiency to described image module optical anti-vibration system.
13. system as claimed in claim 12, described test cell farther includes a detection unit, it is connected to described image acquisition unit to described detection unit communication, described detection unit storage has the target zone of the best gyro gain value of described image module optical anti-vibration system, described detection unit be able to the image of described mark version that obtains according to described image acquisition unit in described target zone fast searching to the best gyro gain value of described image module optical anti-vibration system.
14. system as claimed in claim 13, described test cell farther includes a computing unit and one second memory element, described second memory element is communicatively coupled to described computing unit, described computing unit is able to the best gyro gain value according to described image module optical anti-vibration system and calculates corresponding DB value, and described second memory element is stored the best gyro gain value of described image module optical anti-vibration system and described DB value.
15. system as claimed in claim 14, described test cell farther includes a judging unit, when described image module voice coil motor cannot proper motion, described DB value defective or described image module optical anti-vibration system best gyro gain value fail in described DB value and to be stored in described second memory element and be, described judging unit is sent error reporting and is gone out yield with the work efficiency of correction system and the product of described image module improving described image module optical anti-vibration test system.
16. any system as described in claim 11-15, the phenomenon of the be soft edge that the best gyro gain value of described image module optical anti-vibration system is the described center of the be image of image module and the equilibrium point of edge imaging effect to avoid the optical anti-vibration system of described image module and cause, the product improving described image module goes out yield.
17. system as claimed in claim 12, when the focusing information of described first storage system is distance between described image module and described mark version as the object distance of described image module, described image module is able to the focus information corresponding to clear imaging, wherein, the range of accommodation of described focusing information is 10cm-100cm.
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