CN106331693A - Test system and test method - Google Patents
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- CN106331693A CN106331693A CN201510385272.2A CN201510385272A CN106331693A CN 106331693 A CN106331693 A CN 106331693A CN 201510385272 A CN201510385272 A CN 201510385272A CN 106331693 A CN106331693 A CN 106331693A
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Abstract
The invention discloses a test system and a test method. The test system comprises a display panel and a bottom layer platform. The display panel is used for providing multiple display regions. The display regions respectively display multiple test images corresponding to different test projects. The bottom layer platform is used for bearing multiple to-be-tested image modules simultaneously and allowing the lenses of the to-be-tested image modules to face the display panel. The to-be-tested image modules shoot the test images respectively. According to the invention, the final imaging offset of the to-be-tested modules caused by technology tolerance and jig tolerance, or displacement of placing positions during a test can be effectively corrected, so correct test results can be obtained, and too high device cost caused by complex structural design of a test machine bench is avoided.
Description
Technical field
The present invention relates to a kind of test system and method for testing.Specifically, the present invention relates to one and can provide many
The test system of individual viewing area and method of testing.
Background technology
The automatic test machine platform design concept of industry is at present, the test event that will originally manually carry out, and is integrated into
Carry out follow-on test in single board, according to operation principles, be broadly divided into two kinds of method of testings: one is tested
Method is fixing module to be tested, by the way of mobile test equipment, is moved to by test equipment different to be measured
The placement location of die trial block, to carry out the test of disparity items to module to be tested；Another way is surveyed for fixing
Examination equipment, by the way of mobile module to be tested, moves to the test of corresponding test event by module to be tested
Test under equipment.
But, no matter adopt which kind of mode above-mentioned, for module to be tested because of manufacturing tolerance and tool tolerance, or
Produced by the displacement of putting position during test, it is ultimately imaged skew, need to be compensated by aligning gear,
Correct test result can be obtained, also by manually carrying out picking and placeing of module to be tested, and must cause before test
The consuming that human resources is unnecessary.Additionally, traditional tester table also has design excessively complicated, and cause setting
The situation of standby high cost.
Consequently, it is possible to the most effectively correct module to be tested because of manufacturing tolerance and tool tolerance, or because of test
Time putting position displacement produced by be ultimately imaged skew, to obtain correct test result, and avoid test
Mechanism's design complexity of board, and cause equipment cost too high, then become the problem that industry is anxious to be resolved.
Summary of the invention
Brief overview about the present invention given below, in order to the base about certain aspects of the invention is provided
This understanding.Should be appreciated that this general introduction is not that the exhaustive about the present invention is summarized.It is not intended to really
Determining key or the pith of the present invention, nor is it intended to limit the scope of the present invention.Its purpose is only with letter
The form changed provides some concept, in this, as the preamble in greater detail discussed after a while.
One embodiment of the invention relates to a test system.According to one embodiment of the invention, test system includes one
Display floater and a underlying platform.Display floater is in order to provide multiple viewing area, and it is right that viewing area shows respectively
Answer multiple testing images of different test event.Underlying platform in order to carry multiple image module to be measured simultaneously, and
Making the camera lens of image module to be measured towards display floater, image module to be measured each shoots testing image wherein
Individual.
This underlying platform is a rotation platform, and this rotation platform comprises:
Multiple image module rest areas, in order to carry those image modules to be measured；
The upper and lower, left and right four that wherein those images module to be measured is arranged separately in the plane of this rotation platform
Individual orientation.
This rotation platform also comprises:
One picks and places district, picks and places district when those image modules to be measured image module to be measured therein is turned to this
During position, those image modules to be measured this image module to be measured therein is not directed at any viewing area, and
It is turned to this those image modules to be measured picking and placeing district this image module to be measured therein optionally from being somebody's turn to do
Rotation platform is removed or is alternately placed by another image module to be measured the most after tested.
Further, also comprise in a control unit, and those image modules to be measured and there is one first image to be measured
Module, one second image module to be measured, one the 3rd image module to be measured；Those viewing areas comprise one first and show
Show region, one second viewing area, one second viewing area；
This rotation platform optionally rotates to one first ad-hoc location and one second special relative to this display floater
Location is put；
When this rotation platform rotates to this first ad-hoc location relative to this display floater, this first image to be measured
This testing image of this first viewing area of module photograph is to obtain one first image data, this second image to be measured
This testing image of this second viewing area of module photograph is to obtain one second image data, and the 3rd shadow to be measured
As this testing image of module photograph the 3rd viewing area is to obtain one the 3rd image data.
Further, controlling this rotation platform in this control unit and rotate to this second ad-hoc location, this is first years old
Image module to be measured shoots this testing image of this second viewing area, this second image module to be measured shoot this
This testing image of three viewing areas.
Those viewing areas that this display floater is provided comprise:
One first viewing area, in order to show an analysis diagram and certain bitmap, and this location figure comprises multiple location
Point；
One second viewing area, in order to show a color stain test figure；
One the 3rd viewing area, in order to show a white balance test figure.
Further, also comprise:
One arithmetic element, when one first image module to be measured of those image modules to be measured shoots this first viewing area
After this location figure in territory is to obtain one first image data, this arithmetic element is in order to calculate in this first image data
The coordinate of those anchor points, utilize the coordinate of those anchor points in this first image data with calculate this first
At least one distance between those anchor points in image data and at least one angle；And
This arithmetic element passes through this at least one distance with this at least one angle to calculate this first image data
The one imaging anglec of rotation, an imaging gradient and an imaging displacement amount, and by this imaging anglec of rotation, this one-tenth
As gradient and this imaging displacement gauge calculate a correction parameter, and according to this correction parameter to correct those location
The display position of point.
This arithmetic element goes out a correction ginseng according to this imaging anglec of rotation, this imaging gradient and this displacement calculation
Number, and according to this correction parameter optionally to adjust the horizontal displacement of this analysis diagram, vertical displacement, the anglec of rotation
Degree or angle of inclination.
Those viewing areas are included in a test component district, and this test component district comprises a black card.
Further, a control unit, an arithmetic element, a tester table display unit, this display are also comprised
Panel comprises one first viewing area, and those image modules to be measured comprise one first image module to be measured, wherein:
This display floater shows certain bitmap in this first viewing area；
This control unit controls this underlying platform and rotates to one first ad-hoc location, this first ad-hoc location make this
One image module to be measured is directed at this first viewing area；
This first image module to be measured shoots this location figure；
This arithmetic element according to the coordinate of multiple anchor points of this location figure to calculate a correction parameter, and according to should
Correction parameter is to compensate an analysis diagram；
This display floater shows this analysis diagram in this first viewing area；
This first image module to be measured shoots this analysis diagram；
This tester table display unit shows this this analysis diagram captured by the first image module to be measured and test
Result.
Further, a control unit, an arithmetic element, a tester table display unit, this display are also comprised
Panel comprises one first viewing area, and those image modules to be measured comprise one first image module to be measured, this bottom
Platform system is a rotation platform, and this first image module to be measured is placed on this rotation platform, wherein:
This first viewing area of this display floater shows an analysis diagram with positioning function；
This control unit controls this rotation platform and rotates to an ad-hoc location, makes this first image module to be measured and is somebody's turn to do
First viewing area alignment；
This first image module to be measured shoots this analysis diagram with positioning function to obtain an image data；
This arithmetic element has the multiple anchor points in the analysis diagram of positioning function to judge according to captured this
This has the analysis diagram of positioning function the need of correction；
If this arithmetic element judges that this analysis diagram with positioning function needs correction, then calculate in this image data
An anchor point coordinate, utilize this anchor point coordinate to calculate an imaging anglec of rotation of this image data, one to incline
Rake angle and a displacement, and go out a school by this imaging anglec of rotation, this angle of inclination, this displacement calculation
Positive parameter, and according to this correction parameter to correct the display position of those anchor points；And
This arithmetic element judges display position and the display position predetermined of the anchor point after those corrections
Difference whether less than a threshold value, if this arithmetic element judge the display position of the anchor point after those corrections with
The difference of the display position that this predetermines less than this threshold value, then stores this correction parameter and shoots this tool simultaneously
There is an analysis diagram of positioning function, and show that this of shooting has the analysis diagram of positioning function.
Another embodiment of the present invention relates to a kind of method of testing.According to one embodiment of the invention, method of testing bag
Contain: provide multiple viewing area, a little viewing areas to show multiple testing images of corresponding different test event respectively；
And carry multiple image module to be measured at a underlying platform simultaneously, and make the camera lens of image module to be measured towards
Display floater, image module to be measured each shoot testing image one of them.
By applying an above-mentioned embodiment, can effectively correct module to be tested because of manufacturing tolerance and tool public affairs
Difference, or produced by the displacement of putting position during test, it is ultimately imaged skew, to obtain correct test knot
Really, and avoid the mechanism of tester table to design complexity, and cause equipment cost too high.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, in describing below
Accompanying drawing is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
On the premise of property is laborious, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram according to the test system depicted in one embodiment of the invention；
Fig. 2 is the schematic diagram according to the test component district depicted in one embodiment of the invention；
Fig. 3 A is the top view according to the rotation platform depicted in one embodiment of the invention；
Fig. 3 B is another top view according to the rotation platform depicted in one embodiment of the invention；
Fig. 4 is the schematic diagram according to the test system depicted in one embodiment of the invention；
Fig. 5 is according to the anchor point schematic diagram depicted in one embodiment of the invention；
Fig. 6 is the flow chart according to the method for testing depicted in one embodiment of the invention；
Fig. 7 is the flow chart according to the bearing calibration depicted in one embodiment of the invention；
Fig. 8 is to implement the schematic diagram of bearing calibration according to the application anchor point depicted in one embodiment of the invention；
Fig. 9 is the flow chart according to the method for testing depicted in one embodiment of the invention.
Reference:
200: test component district
100,400: test system
10: display floater
11: the first viewing areas
12: the second viewing areas
13: the three viewing areas
14: black card
50: arithmetic element
40: control unit
60: tester table display unit
30: test box
20: underlying platform
A～D: image module rest area
E: cabling district
81～85: anchor point
X1, X2, Y1, Y2: line
601～608,701～706: step.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, real below in conjunction with the present invention
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that institute
The embodiment described is a part of embodiment of the present invention rather than whole embodiments.Attached of the present invention
Element and feature described in figure or a kind of embodiment can be with one or more other accompanying drawing or embodiment party
Element shown in formula and feature combine.It should be noted that, for purposes of clarity, accompanying drawing and explanation omit
Unrelated to the invention, parts known to persons of ordinary skill in the art and the expression of process and description.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not paying creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
Referring concurrently to Fig. 1 and Fig. 2.Fig. 1 is according to the test system 100 depicted in one embodiment of the invention
Schematic diagram.Fig. 2 is the schematic diagram according to the test component district 200 depicted in one embodiment of the invention.At Fig. 1
In, test system 100 includes display floater 10 and a underlying platform 20.In one embodiment, display surface
Plate 10 is included in test component district 200, and test component district 200 and underlying platform 20 are put at test box 30
In.
As in figure 2 it is shown, display floater 10 is in order to provide multiple viewing area.For example, display floater 10
It is a display panels, and shows an image frame by a display surface, and the plurality of viewing area comprises
Described display surface at display floater 10.In this embodiment, display floater 10 provides altogether three different
Viewing area 11～13.These viewing areas 11～13 lay respectively at diverse location and difference on display floater 10
Show multiple testing images of corresponding different test event.In one embodiment, above-mentioned multiple testing images can
With respectively analysis diagram/location figure, color stain test figure, white balance test figure or the optics of other tool equalities
Test pattern (such as GTG gradually layer figure, gamut map, color temperature distribution figure etc.).For example, it is positioned at display floater
Viewing area 11 above in the of 10 can show analysis diagram and location figure, is positioned at the display of display floater 10 lower left
Region 12 can show color stain test figure, and being positioned at the bottom-right viewing area of display floater 10 13 can show
Show white balance test figure.
Underlying platform 20, in order to carry multiple image module to be measured simultaneously, underlying platform 20 has multiple image
Module rest area (being four in this embodiment) also makes the image module multiple to be measured on underlying platform 20
Camera lens is all towards the described display surface of display floater 10, and the position of wherein said multiple image modules to be measured is respectively
Corresponding to viewing areas different on display floater 10, thus, the plurality of image module to be measured can be simultaneously
Each shooting testing image one of them.
For example, when underlying platform 20 carries three image modules to be measured, these three image modules to be measured
It is respectively the first image module to be measured, the second image module to be measured, the 3rd image module to be measured.First shadow to be measured
As the camera lens of module may be used to shoot the testing image shown by viewing area 11, shown by viewing area 11
Testing image for example, one analysis diagram and certain bitmap.In another embodiment, shown by viewing area 11
Testing image can be an analysis diagram with positioning function, such as, include the analysis diagram of multiple anchor point, and this is real
Execute example to describe in detail in the paragraphs of Fig. 9 in following correspondence.By shooting analysis diagram and certain bitmap, desirable
Obtain the image space of this first image module shooting results to be measured, to judge whether the first image module to be measured has
Manufacturing tolerance, tool tolerance, or migration imagery produced by the displacement of putting position during because testing；Meanwhile,
The camera lens of the second image module to be measured may be used to shooting testing image shown by viewing area 12, wherein shows
Testing image shown by region 12 for example, one white balance test figure, by shooting white balance test figure, can
Test this second image module to be measured shooting effect for dynamic colour temperature pure color picture；Meanwhile, the 3rd shadow to be measured
As the camera lens of module may be used to shoot the testing image shown by viewing area 13, and wherein viewing area 13 is shown
The color stain test figure of the testing image shown for example, by shooting color stain test figure, can test this and the 3rd treat
Survey the image module shooting effect for standard pure color picture.
Therefore, shown multiple testing images of corresponding different test event respectively by viewing area 11～13, can
Allow multiple image module to be measured each shoot those testing images one of them, to reach at each pin of same time
The effect testing different test events, also solving needs to prepare multiple test box traditionally and sets respectively
Put different testing image, then shoot one by one, cause the testing time longer and shortcoming that requisite space is bigger.
Additionally, in another embodiment, test component district 200 also comprises a black card 14.For example, when
When underlying platform 20 carries two image modules to be measured, the camera lens of an image module to be measured may be used to shooting display
Testing image shown by region 12, the wherein testing image shown by a viewing area 12 for example, white balance
Test figure, by shooting white balance test figure, can test this image module to be measured for dynamic colour temperature pure color picture
Shooting effect；In the same time, the camera lens of another image module to be measured may be used to shoot black card 14 (such as face
Color is completely black paper card, or the object of other black), this another shadow to be measured can be tested by shooting black card 14
As module is for the full shooting effect hiding black picture.
It practice, in current Display Technique, use display floater 10 to show the generally still meeting of completely black picture
(the completely black picture of such as LCD screen will still have certain brightness, rather than completely black without brightness a certain degree of light leak
Picture), it would be possible to cause test error, and for no reason waste the electric energy of display floater 10.In this embodiment,
Test component district 200 integrates and the black card 14 of entity is set entirely hides the test of black picture, Ke Yijie
Save electric energy and reach preferably to test effect.But this disclosure of documents is not limited comprising black card, another embodiment
In, it is possible to completely black picture is to replace black card to utilize display floater 10 to show.
Refer to Fig. 3 A and Fig. 3 B, Fig. 3 A and Fig. 3 B be respectively according to depicted in one embodiment of the invention
The top view of rotation platform.In this embodiment, underlying platform can be a rotation platform 20, rotation platform
20 comprise image module rest area A～D, in order to carry multiple image module to be measured respectively.Rotation platform 20 leads to
Cross rotation mode and multiple image modules to be measured are rotated to different positions, with the respective different viewing area of corresponding shooting
The testing image in territory 11～13.Wherein, rotation platform 20 can be rotated by automatic or manual mode.Real at this
Executing in example, rotation platform 20 can accommodate and carry four image modules to be measured simultaneously, but the present invention is not with this
It is limited.In one embodiment, image module rest area A～D is arranged separately in the plane of rotation platform 20
Orientation, four, upper and lower, left and right, thus image module rest area A～D at least three therein image module
Rest area can be corresponding with viewing area 11～13 respectively, and such as but not limited in Fig. 2～3A figure, image module is put
Putting district D corresponding to viewing area 12, image module rest area A is corresponding to viewing area 11, and image module is put
Put district B corresponding to viewing area 13, in this instance, can make to be placed on image module and place region D, B and A
Image module photograph viewing area 12, viewing area 11 and the testing image of viewing area 13 respectively.
In another example, as shown in Figure 3A, the image module rest area D of rotation platform 20 may be used to put
Putting the first image module to be measured, the first image module to be measured is in order to shoot the test shadow shown by viewing area 12
Picture, image module rest area A can place the second image module to be measured, and the second image module to be measured is aobvious in order to shoot
Show the testing image shown by region 11, when the first image module to be measured has shot shown by viewing area 12
After testing image and the second image module to be measured have shot the testing image shown by viewing area 11, rotate
Platform 20 can be relative to display floater 10 to rotate (such as: toward rotating 90 degree clockwise) to a certain bits
Put, as shown in Figure 3 B, make the first image module to be measured be rolled over being photographed shown by viewing area 11
The position (such as: make the first image module to be measured be positioned at the underface of viewing area 11) of testing image, and with
Time make the second image module to be measured be rolled over being photographed the position of the testing image shown by viewing area 13
Put (such as: make the second image module to be measured be positioned at the underface of viewing area 13), to carry out next round shooting.
In another embodiment, rotation platform 20 has four ad-hoc locations, such as rotary flat shown in Fig. 3 A
The ad-hoc location of platform 20,90-degree rotation that rotation platform 20 shown in Fig. 3 A is turned right ad-hoc location (such as Fig. 3 B
Shown in), by rotation platform 20 shown in Fig. 3 A toward the ad-hoc location of right rotation 180 degree and will shown in Fig. 3 A revolve
Turn the platform 20 four positions such as ad-hoc location toward right rotation 270 degree；When rotation platform 20 rotates to each special
When location is put, image module rest area A～D each can be corresponding in turn to viewing area 11～13 and and pick and place district
One of them.Thus.When image module to be measured is turned to this position picking and placeing district, this image module to be measured
Be not directed at any viewing area, and this image module to be measured easy spinning platform is removed and/
Or alternately placed by another image module to be measured the most after tested.
Therefore, by the rotation of rotation platform 20, multiple image module to be measured can be allowed to move to correspondence and not yet to clap
The position, viewing area surveying item taken the photograph, so that image module to be measured is each carried out for the testing image not yet shot
Shooting.
In another embodiment, test system 100 also comprises a control unit (not illustrating), and multiple shadow to be measured
As module has the first image module to be measured, the second image module to be measured, the 3rd image module to be measured；Display
Region comprises the first viewing area 13, the 11, second viewing area the 12, the 3rd, viewing area；As 3A schemes institute
Show, when control unit control rotation platform 20 rotates to first ad-hoc location, the first image module to be measured
Shoot at least one testing image of the first viewing area 11 to obtain one first image data, the second image to be measured
At least one testing image of module photograph the second viewing area 12 is to obtain one second image data, and the 3rd treats
Survey image module 13 and shoot at least one testing image of the 3rd viewing area to obtain one the 3rd image data；Connect
, control unit controls rotation platform 20 and rotates to one second ad-hoc location, as seen in figure 3b.Controlling
Unit controls rotation platform 20 and rotates to the second ad-hoc location, first image module to be measured shooting the second display
At least one testing image in region 12, at least one survey of the second image module to be measured shooting the 3rd viewing area 13
Examination image.In one embodiment, control rotation platform 20 in control unit and rotate to the second ad-hoc location,
3rd image module to be measured is in order to shoot at least one testing image of the first viewing area 11.
So, embodiments of the present invention are not limited to place three image modules to be measured on rotation platform 20,
The quantity of the viewing area that display floater 10 is provided is also not necessarily limited to three；Being understood that, the present invention can be put
Put multiple image module to be measured multiple viewing area to be provided at rotation platform 20, display floater 10, and pass through
Control rotation platform 20 relatively rotates with display floater 10, and multiple image module to be measured can be made to move to being able to
Photographing the position of corresponding viewing area, thus when same, the multiple image module to be measured of chien shih each shoots difference
Test event, and after having shot current test event, via the rotation of rotation platform 20, respectively treat with mobile
Survey image module to below the viewing area of each self-corresponding next one project to be surveyed, with the next test item of shooting
Purpose testing image.
It is noted that in Fig. 3 A～3B, rotation platform 20 is not limited to this for being designed as circular platform,
When reality is implemented, can optionally rotation platform 20 be designed as elliptical platform, square platform or other
The platform of shape.Additionally, in one embodiment, rotation platform 20 is by the cabling collection of each image module to be measured
In be placed on cabling district E, to avoid a plurality of cabling to have influence on the rotatability of rotation platform 20.It addition,
In one embodiment, rotation platform 20 can be by rotating unspecified angle to an ad-hoc location automatically or manually.
Then, Fig. 4～6 is seen also.Fig. 4 is according to the test system depicted in one embodiment of the invention
Schematic diagram.Fig. 5 is according to the anchor point schematic diagram depicted in one embodiment of the invention.Fig. 6 is according to the present invention
The flow chart of the method for testing depicted in one embodiment.In the present embodiment, test system 400 can be according to respectively treating
The image data of survey image module shooting is to produce test result, and corrects the display position of analysis diagram.Wherein,
The test component district 200 of test system 400, display floater 10, underlying platform 20, test box 30 are all with upper
State embodiment similar, so place does not repeats.The detailed description of the invention of test system 400 described below.
Test system 400 comprises control unit 40, arithmetic element 50, tester table display unit 60,
And display floater 10 comprises one first viewing area 11 (as shown in Figure 2), multiple image modules to be measured comprise one
One image module to be measured.
In one embodiment, control unit 40, arithmetic element 50, tester table display unit 60 can be distinguished
It is placed in test box 30 interior, whole and for being placed on the single device in test box 30 or whole and be and test box
30 separate single devices, and control unit 40, arithmetic element 50, tester table display unit 60 can pass through
Wired or wireless transmission means is connected with display floater 10 and each image module to be measured.Wherein, control unit 40
Can respectively or be integrated into volume circuit with arithmetic element 50, such as micro-control unit (microcontroller), micro-
Processor (microprocessor), digital signal processor (digital signal processor), special applications collection
Circuit (application specific integrated circuit, ASIC) or a logic circuit is become to implement.Test
Board display unit 60 can be implemented by a display.
In step 601, place the first image module to be measured on underlying platform 20.In one embodiment, may be used
Manually or multiple image module to be measured is automatically placed at underlying platform 20 via test system 400 by user
On.
In step 602, display floater 10 is at the first display location, viewing area 11 figure.For example, such as figure
Shown in 5, the location figure of the first viewing area 11 display can comprise multiple anchor point 81～85, is positioned by each
Relativeness between point 81～85 and respective coordinate position, can make precise positioning by testing image.At another
In embodiment, the order of step 602 can also be before step 601；Or, in another embodiment, step
The order of 602 can also after step 603 with step 604 before.
In step 603, control unit 40 controls underlying platform 20 and rotates to one first ad-hoc location, makes first
Image module to be measured and the first viewing area 11 are directed at.In one embodiment, the first viewing area 11 display is fixed
Bitmap and analysis diagram.In another embodiment, underlying platform 20 can carry multiple image module to be measured, and these are a little
Image module to be measured includes at least the first image module to be measured, the second image module to be measured, the 3rd image mould to be measured
Block, is rotated to the first ad-hoc location by underlying platform 20, and the position of these a little image modules to be measured can be respective
Corresponding to viewing area 11～13, it is beneficial to each shoot the testing image shown by viewing area 11～13.
In step 604, the first image module to be measured shooting location figure.In one embodiment, underlying platform 20
In addition to the first image module to be measured, can the most at least carry the second image module to be measured and the 3rd image to be measured
Module, wherein, the first image module to be measured in order to shoot the location figure shown by viewing area 11 and analysis diagram,
Second image module to be measured is in order to shoot the white balance test figure shown by viewing area 12, the 3rd image to be measured
Module is in order to shoot the color stain test figure shown by viewing area 13.Additionally, in one embodiment, resolve
Figure can be a check figure (SFR), grid figure (MTF), star-plot (Star Chart) or scan line (TV line)
Analysis diagram, but be not limited.
In step 605, multiple according in the location figure captured by the first image module to be measured of arithmetic element 50
The coordinate of anchor point is to calculate a correction parameter, and according to this correction parameter to compensate an analysis diagram.
For example, refer to Fig. 7～8.Fig. 7 is the flow chart of the bearing calibration according to one embodiment of the invention.
Fig. 8 is that the application anchor point according to one embodiment of the invention is to implement the schematic diagram of bearing calibration.In an embodiment
In, the analysis diagram compensation method described in step 605 also comprises the steps of
In step 701, when the first image module to be measured shoots the location figure of the first viewing area 11 to obtain
After one first image data, arithmetic element 50 is in order to calculate the coordinate of the multiple anchor points in the first image data.
For example, as shown in Figure 8, arithmetic element 50 is in order to calculate the anchor point 81～84 in the first image data
Coordinate.
In a step 702, the coordinate of the anchor point during arithmetic element 50 utilizes the first image data is to calculate
At least one distance between anchor point in one image data and at least one angle, and by least one distance with extremely
A few angle is to calculate an imaging anglec of rotation of the first image data, imaging gradient and an imaging displacement
Amount.
For example, between anchor point 81 and the anchor point 83 during arithmetic element 50 calculates the first image data
Distance, anchor point 82 and anchor point 84 between distance, anchor point 81 and anchor point 82 between distance,
Distance between anchor point 83 and anchor point 84, the line X1 of anchor point 81 and 83 and anchor point 81 and
The company of angle, the line Y1 of anchor point 81 and 82 and anchor point 81 and 84 that the line Y1 of 82 is constituted
The angle that line (not illustrating) is constituted, and rotated with the imaging calculating the first image data by these a little information
Angle and an imaging gradient.
In one embodiment, arithmetic element 50 is the most parallel, to be used in by judging line X1 and line X2
The slant correction of coordinate y-axis, the most parallel by judging line Y1 and line Y2, to be used in coordinate x-axis
Slant correction.Additionally, in one embodiment, anchor point 85 is used in balance correction, by anchor point 85
Position is to judge whether to be translated by overall image.In one embodiment, available judge that two diagonally opposing corners are calmly
The slope of site 81 and 82 line, to carry out rotation correction.Therefore, by between anchor point 81～85 at least
One distance and at least one angle, can calculate the imaging anglec of rotation and the imaging gradient of the first image data.
In step 703, arithmetic element 50 is by the imaging anglec of rotation, imaging gradient and imaging displacement amount
Calculate a correction parameter, and according to correction parameter to correct the display position of the anchor point in the first image data
Put.In one embodiment, arithmetic element 50 is by the imaging anglec of rotation, imaging gradient and imaging displacement amount
Calculating correction parameter is toward 5 pixels of right translation, then by the display position of the anchor point in the first image data
Toward 5 pixels of right translation.
In step 704, after arithmetic element 50 judges correction, the display position of anchor point predetermines with one
Whether the difference of display position is less than a threshold value；If, then it represents that allowing correction by above-mentioned bearing calibration
The display position of rear anchor point can be accepted, and enters step 705；If it is not, then return to step 701, make computing
Unit 50 is corrected again.
In one embodiment, if threshold value be correction after anchor point display position relative to the display predetermined
The difference of position not can exceed that 5 pixels, the display position phase of anchor point after arithmetic element 50 judges correction
When display position for predetermining is 10 pixels to the left, then it represents that the display position of anchor point still needs to again
Secondary correction, therefore return to step 701, calculate the coordinate of current anchor point.
In another embodiment, if threshold value is that the display position of anchor point is aobvious relative to predetermine after correction
Show that the anglec of rotation of position not can exceed that 10 degree, the display position of anchor point after arithmetic element 50 judges correction
When being anglec of rotation skew 15 degree relative to the display position predetermined, then it represents that the display position of anchor point
Still need to again correct, therefore return to step 701, calculate the coordinate of current anchor point.
The most in another embodiment, if threshold value be correction after anchor point display position relative to predetermining
The difference of display position not can exceed that 5 pixels, the display position of anchor point after arithmetic element 50 judges correction
Put when being 3 pixels to the left relative to the display position predetermined, then it represents that the display position of anchor point after correction
Put and can be accepted, enter step 705.
In step 705, store correction parameter, and according to correction parameter to correct the solution in the first image data
The display position of analysis figure.For example, if correction parameter is toward 5 pixels of right translation, then showing analysis diagram
Show that position is toward 5 pixels of right translation.Thus, arithmetic element 50 can tilt according to the imaging anglec of rotation, imaging
Degree and imaging displacement gauge calculate a correction parameter, and according to correction parameter with adjust analysis diagram horizontal displacement or
Vertical displacement etc..In another embodiment, timing, except foundation correction parameter is optionally to adjust parsing
Outside the horizontal displacement of figure or vertical displacement, can the most optionally adjust the anglec of rotation or the inclination of analysis diagram
Angle so that correction result is the most accurate.
In step 706, the analysis diagram after output calibration.
Then, returning to the step 606 of Fig. 6, display floater 10 shows analysis diagram in the first viewing area 11.
In step 607, the first image module to be measured shooting analysis diagram.In this step, the first image mould to be measured
The shooting of block system has completed the analysis diagram of correction, and test result therefore can be made the most accurate.
In step 608, the analysis diagram of tester table display unit 60 display shooting and test result.
Then, please with reference to Fig. 2, Fig. 3 A, Fig. 3 B, Fig. 8 and Fig. 9.Fig. 9 is according to the present invention one
The flow chart of the method for testing depicted in embodiment.In this example it is shown that the test shown by region 11
Image can be an analysis diagram with positioning function, such as, include the analysis diagram of multiple anchor point, described below
The method of testing step of the present embodiment.
In step 901, multiple modules to be measured are placed on rotation platform.In one embodiment, this treats
Survey in module and comprise one first module to be measured.Additionally, this step describes in detail the most in the preceding article, so place does not repeats.
In step 902, the first viewing area 11 display at display floater 10 has the parsing of positioning function
Figure.In one embodiment, the analysis diagram with positioning function can be an analysis diagram comprising multiple anchor point.
In step 903, control unit 40 controls rotation platform 20 and rotates to ad-hoc location, makes module to be measured
In the first module to be measured be directed at the first viewing area.Such as, in Fig. 3 A～3B, control unit 40 is controlled
Rotation platform 20 processed by original position (as shown in Figure 3A) 90-degree rotation to the right, with rotate to ad-hoc location (as
Shown in Fig. 3 B).
In step 904, shooting has the analysis diagram of positioning function to obtain image data.For example, put
Putting and have the first module to be measured in the module multiple to be measured on rotation platform 20, this first module to be measured is revolved
After going to the position of this analysis diagram with positioning function corresponding, this analysis diagram with positioning function can be shot.
In step 905, arithmetic element 50 is according to the location in the captured analysis diagram with positioning function
Point is to judge having the analysis diagram of positioning function the need of correction.If desired then entrance step 906 is corrected, if
Without correction, then enter step 911.
In one embodiment, arithmetic element 50 is that calculating has the aobvious of the anchor point in the analysis diagram of positioning function
Whether the difference of the display position showing position and predetermine is less than threshold value, to judge the solution with positioning function
Analysis figure is the need of correction, and such as, arithmetic element 50 calculates the anchor point in the analysis diagram with positioning function
Display position with predetermine display position difference be 5 pixels, this difference less than threshold value (for example,
Both must not differ higher than 10 pixels), then judge that this has the analysis diagram of positioning function without correction, then enter
Step 911；If on the contrary, arithmetic element 50 calculates the display of the anchor point in the analysis diagram with positioning function
Position is 200 pixels with the difference of the display position predetermined, and this difference is less than threshold value (both for example,
Difference must not be higher than 10 pixels), then judge that this analysis diagram with positioning function needs correction, then enter step
906。
In step 906, arithmetic element 50 calculates anchor point coordinate.For example, as shown in Figure 8, fortune
Calculate unit 50 in order to calculate the coordinate of the anchor point 81～84 in image data.
In step 907, arithmetic element 50 utilizes anchor point coordinate to calculate the imaging rotation of described image data
Gyration, angle of inclination, displacement.The technological means that this step is used is similar to abovementioned steps 702, therefore
Do not repeat.
In step 908, go out correction parameter by the imaging anglec of rotation, angle of inclination, displacement calculation, and
According to correction parameter to correct the display position of anchor point.Technological means that this step is used and abovementioned steps
703 is similar, so place does not repeats.
In step 909, it is judged that the display position of anchor point and the difference showing position predetermined after correction
Whether less than threshold value.If the display position of anchor point and the difference showing position predetermined after judging correction
Less than threshold value, then enter step 910；If the display position of anchor point is aobvious with predetermine after judging correction
Show that the difference of position not less than threshold value, then enters step 906.Additionally, the technological means that this step is used
It is similar to abovementioned steps 702, so place does not repeats.
In step 910, shoot this analysis diagram with positioning function after storing correction parameter simultaneously.Walk at this
In Zhou, the shooting of the first image module system to be measured has completed the analysis diagram of correction, therefore can make test result more
Precisely.
In step 911, the analysis diagram with positioning function of display shooting and test result.
The test system above-mentioned by the present invention and method of testing, can automatically make multiple module to be measured for
Different test events is tested simultaneously, and makes test system effectively correct because of to be tested by bearing calibration
Module process tolerance and tool tolerance, or be ultimately imaged partially produced by the displacement of putting position during test
Move, to reach to obtain correctly and the effect of test result accurately.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；
Although being described in detail the present invention with reference to previous embodiment, those of ordinary skill in the art should manage
Solve: the technical scheme described in foregoing embodiments still can be modified by it, or to wherein part skill
Art feature carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this
Invent the spirit and scope of each embodiment technical scheme.
Claims (22)
1. a test system, it is characterised in that comprise:
One display floater, in order to provide multiple viewing area, those viewing areas show corresponding different survey respectively
Multiple testing images of examination project；And
One underlying platform, in order to carry multiple image module to be measured simultaneously, and makes those image modules to be measured
Camera lens towards this display floater, those image modules to be measured each shoot those testing images one of them.
Test system the most as claimed in claim 1, it is characterised in that this underlying platform is a rotary flat
Platform, this rotation platform comprises:
Multiple image module rest areas, in order to carry those image modules to be measured；
The upper and lower, left and right that wherein those images module to be measured is arranged separately in the plane of this rotation platform
Four orientation.
Test system the most as claimed in claim 2, it is characterised in that this rotation platform also comprises:
One picks and places district, picks and places district when those image modules to be measured image module to be measured therein is turned to this
Position time, those image modules to be measured this image module to be measured therein is not and any viewing area pair
Standard, and it is alternative to be turned to these those image modules to be measured picking and placeing district this image module to be measured therein
Ground is removed from this rotation platform or is alternately placed by another image module to be measured the most after tested.
Test system the most as claimed in claim 2, it is characterised in that also comprise a control unit, and
Those image modules to be measured have one first image module to be measured, one second image module to be measured, one the 3rd
Image module to be measured；Those viewing areas comprise one first viewing area, one second viewing area, one second
Viewing area；
This rotation platform optionally rotates to one first ad-hoc location and one second relative to this display floater
Ad-hoc location；
When this rotation platform rotates to this first ad-hoc location relative to this display floater, this first shadow to be measured
As this testing image of this first viewing area of module photograph is to obtain one first image data, this is second to be measured
Image module shoots this testing image of this second viewing area to obtain one second image data, and the 3rd
Image module to be measured shoots this testing image of the 3rd viewing area to obtain one the 3rd image data.
Test system the most as claimed in claim 4, it is characterised in that control this rotation in this control unit
Turning platform to rotate to this second ad-hoc location, this first image module to be measured shoots this second viewing area
This testing image, this second image module to be measured shoots this testing image of the 3rd viewing area.
Test system the most as claimed in claim 1, it is characterised in that what this display floater was provided should
A little viewing areas comprise:
One first viewing area, in order to show an analysis diagram and certain bitmap, and this location figure comprise multiple fixed
Site；
One second viewing area, in order to show a color stain test figure；
One the 3rd viewing area, in order to show a white balance test figure.
Test system the most as claimed in claim 6, it is characterised in that also comprise:
One arithmetic element, when one first image module to be measured of those image modules to be measured shoots this first display
After this location figure in region is to obtain one first image data, this arithmetic element is in order to calculate this first image number
The coordinate of those anchor points according to, utilizes the coordinate of those anchor points in this first image data to calculate
At least one distance between those anchor points in this first image data and at least one angle；And
This arithmetic element passes through this at least one distance with this at least one angle to calculate this first image data
An imaging anglec of rotation, an imaging gradient and an imaging displacement amount, and by this imaging anglec of rotation,
This imaging gradient and this imaging displacement gauge calculate a correction parameter, and should with correction according to this correction parameter
The display position of a little anchor points.
Test system the most as claimed in claim 7, it is characterised in that this arithmetic element is according to this imaging
The anglec of rotation, this imaging gradient and this displacement calculation go out a correction parameter, and according to this correction parameter with
Optionally adjust the horizontal displacement of this analysis diagram, vertical displacement, the anglec of rotation or angle of inclination.
Test system the most as claimed in claim 1, it is characterised in that those viewing areas are included in one
Test component district, this test component district comprises a black card.
Test system the most as claimed in claim 1, it is characterised in that also comprise a control unit, one
Arithmetic element, a tester table display unit, this display floater comprises one first viewing area, and those are to be measured
Image module comprises one first image module to be measured, wherein:
This display floater shows certain bitmap in this first viewing area；
This control unit controls this underlying platform and rotates to one first ad-hoc location, and this first ad-hoc location makes this
First image module to be measured is directed at this first viewing area；
This first image module to be measured shoots this location figure；
This arithmetic element according to the coordinate of multiple anchor points of this location figure to calculate a correction parameter, and foundation
This correction parameter is to compensate an analysis diagram；
This display floater shows this analysis diagram in this first viewing area；
This first image module to be measured shoots this analysis diagram；
This tester table display unit shows this this analysis diagram captured by the first image module to be measured and survey
Test result.
11. test system as claimed in claim 1, it is characterised in that also comprise a control unit, one
Arithmetic element, a tester table display unit, this display floater comprises one first viewing area, and those are to be measured
Image module comprises one first image module to be measured, and this underlying platform system is a rotation platform, and this first is treated
Survey image module to be placed on this rotation platform, wherein:
This first viewing area of this display floater shows an analysis diagram with positioning function；
This control unit control this rotation platform rotate to an ad-hoc location, make this first image module to be measured with
This first viewing area is directed at；
This first image module to be measured shoots this analysis diagram with positioning function to obtain an image data；
This arithmetic element has the multiple anchor points in the analysis diagram of positioning function to sentence according to captured this
Disconnected this has the analysis diagram of positioning function the need of correction；
If this arithmetic element judges that this analysis diagram with positioning function needs correction, then calculate this image data
In an anchor point coordinate, utilize this anchor point coordinate with calculate this image data an imaging anglec of rotation,
One angle of inclination and a displacement, and by this imaging anglec of rotation, this angle of inclination, this displacement calculation
Go out a correction parameter, and according to this correction parameter to correct the display position of those anchor points；And
This arithmetic element judges display position and the display position predetermined of the anchor point after those corrections
Whether the difference put is less than a threshold value, if this arithmetic element judges the display position of the anchor point after those corrections
The difference putting the display position predetermined with this is less than this threshold value, then store this correction parameter and clap simultaneously
Take the photograph this analysis diagram with positioning function, and show that this of shooting has the analysis diagram of positioning function.
12. 1 kinds of method of testings, it is characterised in that comprise:
Thering is provided multiple viewing area, those viewing areas show multiple tests of corresponding different test event respectively
Image；And
Place multiple image module to be measured at a underlying platform, and make the camera lens court of those image modules to be measured
To a display floater, those image modules to be measured each shoot those testing images one of them.
13. method of testings as claimed in claim 12, it is characterised in that this underlying platform is a rotation
Platform, this rotation platform comprises:
Multiple image module rest areas, in order to carry those image modules to be measured；
The upper and lower, left and right that wherein those images module to be measured is arranged separately in the plane of this rotation platform
Four orientation.
14. method of testings as claimed in claim 13, it is characterised in that also comprise:
When those image modules to be measured image module to be measured therein is turned to the position that picks and places district,
Those image modules to be measured this image module to be measured therein is not directed at any viewing area, and is rotated
Those image modules to be measured this image module to be measured therein in district is picked and placeed optionally from this rotation to this
Platform is removed or is alternately placed by another image module to be measured the most after tested.
15. method of testings as claimed in claim 13, it is characterised in that in those image modules to be measured
There is one first image module to be measured, one second image module to be measured, one the 3rd image module to be measured；Those
Viewing area comprises one first viewing area, one second viewing area, one second viewing area, this test side
Method also comprises:
Control this rotation platform to rotate to one first ad-hoc location；
This testing image of this first viewing area is shot to obtain one the by this first image module to be measured
One image data；
This testing image of this second viewing area is shot to obtain one the by this second image module to be measured
Two image datas；
This testing image of the 3rd viewing area is shot to obtain one the by the 3rd image module to be measured
Three image datas；
Then, control this rotation platform to rotate to one second ad-hoc location.
16. method of testings as claimed in claim 15, it is characterised in that controlling the rotation of this rotation platform
After going to the step of this second ad-hoc location, also comprise:
This testing image of this second viewing area is shot by this first image module to be measured；
This testing image of the 3rd viewing area is shot by this second image module to be measured.
17. method of testings as claimed in claim 12, it is characterised in that also comprise:
By one first viewing area to show an analysis diagram and certain bitmap, and this location figure comprise multiple fixed
Site；
By one second viewing area with display one color stain test figure；
By one the 3rd viewing area to show a white balance test figure.
18. method of testings as claimed in claim 17, it is characterised in that also comprise:
Being somebody's turn to do of this first viewing area is shot by one first image module to be measured of those image modules to be measured
Location figure is to obtain one first image data；
Calculate the coordinate of those anchor points in this first image data；
The coordinate utilizing those anchor points in this first image data calculates being somebody's turn to do in this first image data
At least one distance between a little anchor points and at least one angle；
Revolved with the imaging calculating this first image data with this at least one angle by this at least one distance
Gyration, an imaging gradient and an imaging displacement amount；
A correction parameter is calculated by this imaging anglec of rotation, this imaging gradient and this imaging displacement gauge；
According to this correction parameter to correct the display position of those anchor points.
19. method of testings as claimed in claim 18, it is characterised in that also comprise:
A correction parameter is calculated according to this imaging anglec of rotation, this imaging gradient and this imaging displacement gauge；
By this correction parameter optionally to adjust the horizontal displacement of this analysis diagram, vertical displacement, the anglec of rotation
Degree or angle of inclination.
20. method of testings as claimed in claim 12, it is characterised in that those viewing areas are included in
One test component district, this test component district comprises a black card.
21. method of testings as claimed in claim 12, it is characterised in that also comprise:
Certain bitmap is shown in one first viewing area of this display floater；
Control this underlying platform to rotate to one first ad-hoc location, make the one first of those image modules to be measured treat
Survey image module to be directed at this first viewing area；
Shoot this location figure；
According to the coordinate of multiple anchor points of this location figure to calculate a correction parameter, and according to this correction parameter
To compensate an analysis diagram；
This analysis diagram is shown in this first viewing area of this display floater；
Shoot this analysis diagram；
Show this this analysis diagram captured by the first image module to be measured and test result.
22. method of testings as claimed in claim 12, it is characterised in that this underlying platform system is a rotation
Turning platform, this method of testing also comprises:
An analysis diagram with positioning function is shown in one first viewing area of this display floater；
Control this rotation platform to rotate to an ad-hoc location, make one first in those image modules to be measured to be measured
Image module is directed at this first viewing area；
Shoot this analysis diagram with positioning function to obtain an image data；
According to captured this, there are the multiple anchor points in the analysis diagram of positioning function fixed to judge that this has
The analysis diagram of bit function is the need of correction, if judging, this analysis diagram with positioning function needs correction, then
Calculate the anchor point coordinate in this image data, utilize this anchor point coordinate to calculate the one of this image data
The imaging anglec of rotation, an angle of inclination and a displacement, and by this imaging anglec of rotation, this angle of inclination,
This displacement calculation goes out a correction parameter, and according to this correction parameter to correct the display position of those anchor points
Put；And
Judge that the display position of the anchor point after those corrections with the difference of a display position predetermined is
No it is less than a threshold value, if judging the display that the display position of the anchor point after those corrections predetermines with this
The difference of position is less than this threshold value, then store this correction parameter and shoot this solution with positioning function simultaneously
Analysis figure, and show this analysis diagram with positioning function and a test result of shooting.
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| CN113365045A (en) * | 2020-03-04 | 2021-09-07 | 余姚舜宇智能光学技术有限公司 | Camera module detection method, device and system |
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