CN103139582A - Shutter switch timing adjusting device and adjusting method thereof - Google Patents
Shutter switch timing adjusting device and adjusting method thereof Download PDFInfo
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- CN103139582A CN103139582A CN2011104440469A CN201110444046A CN103139582A CN 103139582 A CN103139582 A CN 103139582A CN 2011104440469 A CN2011104440469 A CN 2011104440469A CN 201110444046 A CN201110444046 A CN 201110444046A CN 103139582 A CN103139582 A CN 103139582A
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000012545 processing Methods 0.000 claims abstract description 35
- 239000011521 glass Substances 0.000 abstract description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 210000001508 eye Anatomy 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a shutter release time sequence adjusting device and an adjusting method thereof, wherein the shutter release time sequence adjusting device is suitable for stereo glasses and comprises a receiving unit and a processing module. The receiving unit receives a first timing signal sent by an image device. The processing module compares the period of the first time sequence signal with the period of a second time sequence signal in the stereo glasses to correspondingly generate an offset, and the processing module gradually synchronizes the period of the second time sequence signal to the period of the first time sequence signal according to the offset with the magnitude not exceeding a preset value.
Description
Technical field
The invention relates to a kind of shutter release timing adjustment method and device and method of adjustment thereof, particularly relevant for a kind of shutter release timing adjustment method and device and the method for adjustment thereof that can effectively eliminate the flicker of anaglyph spectacles shutter.
Background technology
The General Principle of 3D anaglyph spectacles is divided into three kinds.Be all mainly to make two eyes receive different images, brain can be combined the data on both sides and cause three-dimensional effect.Aberration glasses early occurring, is generally red on one side, and another side is blue or green, and other colors are separately arranged.Then, polarised light glasses utilizes polarization theory, and two eyeglasses can filter out unaccommodated light, makes image can send correct eyeball to.In addition, liquid crystal shutter glasses is to utilize persistence of vision mode, and the left and right eyeglass utilizes the Electronic Control liquid crystal alternatively to block the left and right eyeball.Equally, display original set needs alternatively switching right and left eye shadow picture.
Current 3D anaglyph spectacles mainly is divided into two classes: the anaglyph spectacles of passive type and active anaglyph spectacles.When watching stereopsis, the equipment of show image can send the synchronizing signal that the left and right image switches as the user, and active stereo glasses can come switch left and right shutter according to these signals.Yet the communication between the equipment of show image and glasses end may be disturbed or weak output signal because of other signal, causes communicating interrupt.For solving this problem, need to be at processing module (Microcontroller Unit for example, MCU) produce a sequential corresponding with synchronizing signal in, so just can when signal interruption, continue to keep the switching of anaglyph spectacles shutter according to this sequential.
Some ligthing paraphernalia (as fluorescent lamp) is understood the frequency along with alternating current, and has light and shade to change, as shown in Figure 1.Take the 60Hz alternating current as example, fluorescent lamp can be done bright variation with 120Hz, in the situation that general, human eye also can't find.If but in the middle of rating, occur synchronously less than situation, after continuing for some time, can produce gradually skew the lock in time of image and anaglyph spectacles.Please further consult Fig. 2, as shown in the figure, suppose that the correct left shutter opening time is the A point, after the situation that skew lock in time occurs, the present left shutter opening time is the B point.If after receiving synchronizing signal, directly the B point is offset to the A point, can cause between this secondary shutter opening, the luminance difference of fluorescent lamp is apart from too large, and the user will significantly experience the flicker of shutter.
Therefore, with demand, design shutter release timing adjustment method and device and the method for adjustment thereof that effectively to eliminate the flicker of anaglyph spectacles shutter, an instant subject under discussion that has become market to use.
Summary of the invention
Because the problem of above-mentioned prior art, purpose of the present invention is providing a kind of shutter release timing adjustment method and device and method of adjustment thereof exactly, to solve present anaglyph spectacles because of the sequential adjustment between shutter opening, cause the desirable not to the utmost problem of rating quality of stereopsis.
According to purpose of the present invention, a kind of shutter release timing adjustment method and device is proposed, be applicable to an anaglyph spectacles, it comprises a receiving element and a processing module.Receiving element receives one first clock signal that an image documentation equipment sends.Processing module compares the cycle of this first clock signal and the cycle of one second clock signal in this anaglyph spectacles, produce a side-play amount with correspondence, and this processing module to be being no more than the size of a preset value, according to this side-play amount step by step with the cycle synchronisation of this second clock signal cycle to this first clock signal.
According to purpose of the present invention, reintroduce a kind of shutter release timing adjusting method, be applicable to an anaglyph spectacles, this anaglyph spectacles comprises a receiving element and a processing module, and this shutter release timing adjusting method comprises the following step: receive one first clock signal that an image documentation equipment sends; The cycle of this first clock signal and the cycle of one second clock signal in this anaglyph spectacles are compared, produce a side-play amount with correspondence; And being no more than the size of a preset value, according to this side-play amount step by step with the cycle synchronisation of this second clock signal cycle to this first clock signal.
Preferably, processing module is according to the size of this preset value, step by step with the cycle synchronisation of this second clock signal cycle to this first clock signal.
Preferably, this anaglyph spectacles more comprises a timer, and this timer has this second clock signal, and this processing module is carried out the switch of this anaglyph spectacles shutter according to the cycle of this second clock signal of this timer.
From the above, according to shutter release timing adjustment method and device of the present invention and method of adjustment thereof, it can have following advantage:
This shutter release timing adjustment method and device and method of adjustment thereof can progressively be adjusted the sequential of shutter release in response to the variation of environment light source, cause flicker when avoiding shutter to switch.And then the lifting user uses the image rating quality of active stereo glasses.
Description of drawings
Fig. 1 is the sequential schematic diagram of alternating current voltage and fluorescent lamp brightness relationship;
Fig. 2 is the sequential schematic diagram of anaglyph spectacles shutter flicker reason;
Fig. 3 is the calcspar of an embodiment of shutter release timing adjustment method and device of the present invention;
Fig. 4 is the flow chart of an embodiment of the method for adjustment of shutter release sequential of the present invention;
Fig. 5 is that the shutter sequential of one embodiment of the invention is adjusted schematic diagram.
1: the shutter release timing adjustment method and device
2: external image equipment
10: receiving element
11: timer
111: the second clock signals
12: processing module
20: the signal transmitter unit
201: the first clock signals
LI: left image
RI: right image
LO: left shutter opening
RO: right shutter opening
CST: correct shutter release sequential
SST: the shutter release sequential after skew
1ST: proofread and correct for the first time the shutter release sequential
2ST: second-order correction shutter release sequential
3ST: proofread and correct for the third time the shutter release sequential
EL: environment light source brightness
A: correct left shutter opening time point
B: the left shutter opening time point of skew
B1, B2, B3: the left shutter opening time point of successively revising
Environment light source between G ': B, B1 modified twice changes
41～51: steps flow chart
Embodiment
The effect of understanding technical characterictic of the present invention, content and advantage and reaching for the expensive auditor of profit, hereby the present invention is coordinated accompanying drawing, and be described in detail as follows with the expression-form of embodiment, and wherein use graphic, its purport is only the use of signal and aid illustration book, may not be the true ratio after the invention process and precisely configuration, thus should be with regard to appended graphic ratio with the configuration relation deciphering, limit the invention to the interest field in actual enforcement, close first chat bright.
See also Fig. 3, it is the calcspar for an embodiment of shutter release timing adjustment method and device of the present invention.As shown in the figure, shutter release timing adjustment method and device 1 of the present invention is applicable to an anaglyph spectacles, and it can comprise a receiving element 10, a timer 11 and a processing module 12.Wherein, the better liquid crystal of arranging in pairs or groups of the shutter of this anaglyph spectacles (Liquid Crystal), do by the mode of controlling light transmittance and cover: that is, when the light transmittance of liquid crystal is relatively transparent, namely generally said unlatching when reality is implemented; Otherwise, when the light transmittance of liquid crystal is relatively opaque, general said closing when reality is implemented namely.
When anaglyph spectacles operated at the beginning, receiving element 10 can receive one first clock signal 201 that is sent by the signal transmitter unit 20 in an external image equipment 2; In the present embodiment, the first clock signal 201 can be the infrared synchronous signals that external image equipment 2 ends send.Processing module can be electrically connected receiving element 10 and timer 11, and it can comprise microprocessor (Micro-Processing Unit) or central processing unit (Central Processing Unit, CPU).After receiving element 10 receives the first clock signal 201, the first clock signal 201 that processing module 12 can receive receiving element 10, be sent to timer 11, make the cycle of the second clock signal 111 in timer 11 be made as identical with the cycle of the first clock signal 201.So, processing module 12 can be controlled the shutter that timer 11 switches anaglyph spectacles.
Accept above-mentioned, the demand of implementing in response to reality, receiving element 10 can every a Preset Time, receive the first clock signal 201 that is sent by the signal transmitter unit 20 in external image equipment 2.And processing module 12 can be with the cycle of cycle synchronisation to the first clock signal 201 of the second clock signal 111 of timer 11, and controls the shutter that timer 11 switches anaglyph spectacles.Yet, when if its communication channel is subject to hindering, that is to say, when receiving element 10 does not receive the first clock signal 201 that is sent by the signal transmitter unit 20 in external image equipment 2, at this moment, processing module 12 can according to the cycle of the second clock signal 111 of timer 11, be carried out the switch of anaglyph spectacles shutter.
Then, again receive the first clock signal 201 that is sent by external image equipment 2 when receiving element 10, processing module 12 can compare the cycle of this first clock signal 201 and the cycle of the second clock signal 111 in timer 11, produces a side-play amount with correspondence; And processing module 12 can be no more than the size of a preset value, according to this side-play amount step by step with cycle of cycle synchronisation to the first clock signal 201 of the second clock signal 111.
Incidentally be that the first clock signal 201 and the second clock signal 111 have all comprised left shutter release sequential and the right shutter release sequential of anaglyph spectacles.And should understand person with usual knowledge in their respective areas of the present invention, those skilled in the art work as can become an integrated module in conjunction with above-mentioned functional module arbitrarily, or is split into the thin section of each function unit, and end is seen the convenience in design and is decided.
Further see also Fig. 4, it is the flow chart for an embodiment of the method for adjustment of shutter release sequential of the present invention.As shown in the figure, the method for adjustment of shutter release sequential can be used the switching sequence of optimization 3D anaglyph spectacles shutter.The method of adjustment of this shutter release time comprises the following step.Step 41: receive the synchronizing signal that image documentation equipment sends.When reality is implemented, can be roughly the same noted earlier, received the first clock signal that is sent by the signal transmitter unit in external image equipment by receiving element.Step 42: be made as the cycle of clock signal in timer identical with the cycle of synchronizing signal.Step 43: utilize timer to switch the anaglyph spectacles shutter.Again, step 44: carry out the judgement whether synchronizing signal interrupts: if not, execution in step 43; If execution in step 45.In step 45: utilize timer to switch the anaglyph spectacles shutter.
Then, step 46: confirm whether synchronizing signal is recovered, and if not, execution in step 45; If execution in step 47.In step 47: receive the synchronizing signal that image documentation equipment sends.Step 48: the side-play amount in the cycle of clock signal in the cycle of comparison synchronizing signal and timer.
Explain above-mentioned several step, on reality was implemented, the interruption of synchronizing signal might be that its communication channel is temporarily hindered, and makes receiving element temporarily can't receive the first clock signal that is sent by external image equipment; Perhaps, with regard to the power saving aspect, anaglyph spectacles may just can be opened the reception that receiving element carries out clock signal every a Preset Time, for example, every 500 milliseconds (ms), receiving element just can carry out the reception of clock signal.When receiving element receives the synchronizing signal that external image equipment sends again, the difference (please consulting again Fig. 2) that in this moment timer, the cycle of clock signal may go up with synchronizing signal for some time.
At this moment, processing module can compare the cycle of clock signal in cycle of synchronizing signal and timer, produces a side-play amount with correspondence.Then, in step 49: whether judge side-play amount greater than admissible maximum adjusted value, if, execution in step 50.In step 50: in former timer, the zero-time of clock signal is deducted admissible maximum adjusted value, is the zero-time of the clock signal after upgrading in timer.On reality was implemented, admissible maximum adjusted value can be set as 100 microseconds (μ s) or 50 microseconds, and end is seen actual demand and decided; If side-play amount is 300 microseconds, represent that the zero-time forward/backward of clock signal has been offset 300 microseconds in former timer, in this moment timer the zero-time of new clock signal accordingly forward/backward proofread and correct 100 microseconds or 50 microsecond ends and see demand in setting.Proofread and correct complete after, then resumes step 47, iteration so repeatedly is until the clock signal in timer is synchronizeed with the synchronizing signal of receiving element reception.In addition, if side-play amount is less than or equal to admissible maximum adjusted value, execution in step 51.Step 51: in former timer, the zero-time of clock signal is deducted side-play amount, is the zero-time of the clock signal after upgrading in timer.
It is worth mentioning that, should understand person with usual knowledge in their respective areas of the present invention, the enforcement aspect that aforementioned receiving element carries out the time interval, admissible maximum adjusted value and the side-play amount etc. of clock signal reception is only for example and not limitation, any spirit and category that does not break away from this shutter release timing adjusting method, all should be contained in spirit of the present invention, chat in advance bright at this.
See also Fig. 5, it is to adjust schematic diagram for the shutter sequential of one embodiment of the invention.As shown in the figure, its indicated left image LI, right image RI, left shutter opening LO, right shutter opening RO, correct shutter release sequential CST, the shutter release sequential SST after skew, for the first time proofread and correct shutter release sequential 1ST, second-order correction shutter release sequential 2ST, proofread and correct shutter release sequential 3ST, environment light source brightness EL, correct left shutter opening time point A, the left shutter opening time point B of skew, the left shutter opening time point B1, B2, B3 and the B that successively revise for the third time, the environment light source between the B1 modified twice changes G '.
As the left shutter opening time point B of skew with correct left shutter opening time point A lead time too far the time, processing module can adopt the mode of progressively adjusting, for example adjust take 50 microseconds or 100 microseconds as spacing at every turn, in the present embodiment, for example the left shutter opening time point B of skew and correct left shutter opening time point A lead time 130 microseconds, processing module can 50 microseconds be that a unit adjusts, again by B1 to B2,30 microseconds that will be left again at last are adjusted to B3 by B2 by B to B1.That is to say, by B1, B2, B3 ... approach to the A point gradually.And because the time point of each shutter change dwindles, therefore the variation of environment light source also can and then be dwindled; So, the user will can not perceive the flicker of shutter.
In sum, shutter release timing adjustment method and device proposed by the invention and method of adjustment thereof can be in response to the variations of environment light source, with the switching sequence of optimization 3D anaglyph spectacles shutter, namely progressively adjust the sequential of shutter release, cause flicker when avoiding shutter to switch.Allow the user discover flicker less than shutter, and then promote the image rating quality that the user uses active stereo glasses.
The above is only illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained in claim.
Claims (14)
1. a shutter release timing adjustment method and device, be applicable to an anaglyph spectacles, it is characterized in that, described shutter release timing adjustment method and device comprises:
One receiving element receives one first clock signal that an image documentation equipment sends; And
One processing module, the cycle of described the first clock signal and the cycle of one second clock signal in described anaglyph spectacles are compared, produce a side-play amount with correspondence, and described processing module to be being no more than the size of a preset value, according to described side-play amount step by step will described the second clock signal cycle synchronisation cycle of described the first clock signal extremely.
2. shutter release timing adjustment method and device as claimed in claim 1, is characterized in that, described receiving element receives described first clock signal of described image documentation equipment emission every a Preset Time.
3. shutter release timing adjustment method and device as claimed in claim 1, it is characterized in that, if when described receiving element did not receive described first clock signal of described image documentation equipment emission, processing module was carried out the switch of described anaglyph spectacles shutter according to the cycle of described the second clock signal.
4. shutter release timing adjustment method and device as claimed in claim 1, is characterized in that, described processing module is according to the size of described preset value, step by step with the cycle synchronisation of described the second clock signal cycle to described the first clock signal.
5. shutter release timing adjustment method and device as claimed in claim 1, it is characterized in that, if described side-play amount is less than or equal to described preset value, the described side-play amount of described processing module direct basis is with the cycle synchronisation of described the second clock signal cycle to described the first clock signal.
6. shutter release timing adjustment method and device as claimed in claim 1, it is characterized in that, described shutter release timing adjustment method and device more comprises a timer, described timing appliance has described the second clock signal, described processing module is carried out the switch of described anaglyph spectacles shutter according to the cycle of described second clock signal of described timer.
7. shutter release timing adjustment method and device as claimed in claim 1, is characterized in that, described the first clock signal and described the second clock signal have all comprised left shutter release sequential and the right shutter release sequential of described anaglyph spectacles.
8. a shutter release timing adjusting method, be applicable to an anaglyph spectacles, it is characterized in that, described anaglyph spectacles comprises a receiving element and a processing module, and described shutter release timing adjusting method comprises the following step:
Receive one first clock signal that an image documentation equipment sends;
The cycle of described the first clock signal and the cycle of one second clock signal in described anaglyph spectacles are compared, produce a side-play amount with correspondence; And
Being no more than the size of a preset value, according to described side-play amount step by step will described the second clock signal cycle synchronisation cycle of described the first clock signal extremely.
9. shutter release timing adjusting method as claimed in claim 8, is characterized in that, described shutter release timing adjusting method more comprises the following step:
Take a Preset Time as spacing, receive described first clock signal of described image documentation equipment emission by described receiving element.
10. shutter release timing adjusting method as claimed in claim 8, is characterized in that, described shutter release timing adjusting method more comprises the following step:
When described receiving element did not receive described first clock signal of described image documentation equipment emission, processing module was carried out the switch of described anaglyph spectacles shutter according to the cycle of described the second clock signal.
11. shutter release timing adjusting method as claimed in claim 8 is characterized in that, described shutter release timing adjusting method more comprises the following step:
With the size of described preset value, step by step with the cycle synchronisation of described the second clock signal cycle to described the first clock signal.
12. shutter release timing adjusting method as claimed in claim 8 is characterized in that, described shutter release timing adjusting method more comprises the following step:
When described side-play amount is less than or equal to described preset value, the described side-play amount of described processing module direct basis is with the cycle synchronisation of described the second clock signal cycle to described the first clock signal.
13. shutter release timing adjusting method as claimed in claim 8, it is characterized in that, described anaglyph spectacles more comprises a timer, described timing appliance has described the second clock signal, described processing module is carried out the switch of described anaglyph spectacles shutter according to the cycle of described second clock signal of described timer.
14. shutter release timing adjusting method as claimed in claim 8 is characterized in that, described the first clock signal and described the second clock signal have all comprised left shutter release sequential and the right shutter release sequential of described anaglyph spectacles.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100142749A TWI491247B (en) | 2011-11-22 | 2011-11-22 | Adjustment device for shutter release timing and adjustment method thereof |
| TW100142749 | 2011-11-22 |
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| Publication Number | Publication Date |
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| CN103139582A true CN103139582A (en) | 2013-06-05 |
| CN103139582B CN103139582B (en) | 2015-05-27 |
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|---|---|
| JP (1) | JP5563611B2 (en) |
| CN (1) | CN103139582B (en) |
| TW (1) | TWI491247B (en) |
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| CN104765152B (en) * | 2015-05-06 | 2017-10-24 | 京东方科技集团股份有限公司 | A kind of virtual reality glasses |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010062767A (en) * | 2008-09-02 | 2010-03-18 | Sony Corp | System and method for displaying 3d video |
| CN102244800A (en) * | 2011-07-05 | 2011-11-16 | 江苏惠通集团有限责任公司 | Automatic calibration shutter type 3D glasses synchronization method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100194857A1 (en) * | 2009-02-03 | 2010-08-05 | Bit Cauldron Corporation | Method of stereoscopic 3d viewing using wireless or multiple protocol capable shutter glasses |
| JP5338478B2 (en) * | 2009-05-25 | 2013-11-13 | ソニー株式会社 | Reception device, shutter glasses, and transmission / reception system |
| JP2011166610A (en) * | 2010-02-12 | 2011-08-25 | Canon Inc | Stereoscopic video control apparatus and control method thereof |
| US8493438B2 (en) * | 2010-03-01 | 2013-07-23 | Verizon Patent And Licensing Inc. | Methods and systems for presenting three-dimensional video content |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010062767A (en) * | 2008-09-02 | 2010-03-18 | Sony Corp | System and method for displaying 3d video |
| CN102244800A (en) * | 2011-07-05 | 2011-11-16 | 江苏惠通集团有限责任公司 | Automatic calibration shutter type 3D glasses synchronization method |
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| Publication number | Publication date |
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| TWI491247B (en) | 2015-07-01 |
| CN103139582B (en) | 2015-05-27 |
| JP2013110725A (en) | 2013-06-06 |
| TW201322738A (en) | 2013-06-01 |
| JP5563611B2 (en) | 2014-07-30 |
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