CN103179410A - Shutter glasses, three-dimensional image system and shutter glasses control method - Google Patents
Shutter glasses, three-dimensional image system and shutter glasses control method Download PDFInfo
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- CN103179410A CN103179410A CN2011104417477A CN201110441747A CN103179410A CN 103179410 A CN103179410 A CN 103179410A CN 2011104417477 A CN2011104417477 A CN 2011104417477A CN 201110441747 A CN201110441747 A CN 201110441747A CN 103179410 A CN103179410 A CN 103179410A
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Abstract
The invention discloses a pair of shutter glasses which is used for a three-dimensional image system and comprises a first lens, a second lens, a lens control module, an image acquisition device and a clock rate generation module. The lens control module is connected with the first lens and the second lens in coupled mode and used for covering the first lens and the second lens alternately according to a synchronizing signal. The image acquisition device is used for acquiring a plurality of images output by a displayer of the three-dimensional image system, and the plurality of images comprise an image for synchronization. The clock rate generation module is connected with the image acquisition device in coupled mode and used for generating the synchronizing signal according to the image for the synchronization.
Description
Technical field
The present invention relates to a kind of shutter glasses, stereo image system and shutter glasses control method, relate in particular to a kind of image that produces by the acquisition display, reach synchronous shutter glasses, stereo image system and shutter glasses control method.
Background technology
Along with the progress of multimedia technology, the no longer just high image quality image that the consumer pursues, but the stereopsis of tool third dimension and the sense of reality.The groundwork principle of stereopsis Display Technique makes beholder's left eye see respectively different image frames from right eye, by the angle difference at images of left and right eyes visual angle, and make the image that images of left and right eyes receives respectively coincide in beholder's brain as having the stereopsis of the depth of field and stereovision.The stereopsis Display Technique mainly can be divided into two kinds at present, a kind of display collocation anaglyph spectacles that needs uses, as shutter glasses (Shutter glasses) formula or polaroid glasses (Polarizing glasses) formula, another kind only needs display and any anaglyph spectacles that need not to arrange in pairs or groups, as parallax barrier formula (Parallax Barrier).It is characterized in that, polaroid glasses formula or parallax barrier formula stereo display technique all need the panel of special facture, and therefore, shutter glasses has become main stereopsis Display Technique.
The synchronous control signal that the operation principle of shutter glasses is launched according to display (as infrared ray), the open and close of switching respectively two shutter eyeglasses.That is to say, when the mirror shutter of left eye is opened, can synchronously export to the image that left eye is seen on screen; When the mirror shutter of right eye was opened, the image on screen also can synchronously be exported to the image that right eye is seen, and then utilized the persistence of vision to act on and coincide in brain and be stereopsis.The open and close that the synchronous control signal of exporting according to display due to shutter glasses switches the shutter eyeglass, so this class display exclusive shutter glasses of need arranging in pairs or groups.In other words, the consumer can't only purchase shutter glasses and original general display collocation, and must again buy whole group of stereo image system, just can watch stereopsis.In this case, certainly will reduce consumer's purchase intention, also be unfavorable for efficient utilization of resource.
Summary of the invention
Therefore, main purpose of the present invention namely is to provide a kind of the need additionally to add the device of launching synchronous control signal in display, can reach synchronous shutter glasses, stereo image system and shutter glasses control method.
The present invention discloses a kind of shutter glasses, is used for a stereo image system, includes one first eyeglass; One second eyeglass; One eyeglass control module is coupled to this first eyeglass and this second eyeglass, is used for alternately hiding this first eyeglass and this second eyeglass according to a synchronous signal; One image capture unit is used for capturing a plurality of images that a display of this stereo image system is exported, and these a plurality of images comprise that one synchronously uses image; And a clock pulse generation module, be coupled to this image capture unit, be used for producing this synchronizing signal according to should synchronously using image.
The present invention also discloses a kind of stereo image system, is used for showing stereopsis, includes a display, an image display control unit and a shutter glasses.This image display control unit is coupled to this display, is used for controlling this display and produces a plurality of images, and these a plurality of images comprise that one synchronously uses image.This shutter glasses includes one first eyeglass; One second eyeglass; One eyeglass control module is coupled to this first eyeglass and this second eyeglass, is used for alternately hiding this first eyeglass and this second eyeglass according to a synchronous signal; One image capture unit is used for capturing a plurality of images that a display of this stereo image system is exported, and these a plurality of images comprise that one synchronously uses image; And a clock pulse generation module, be coupled to this image capture unit, be used for producing this synchronizing signal according to should synchronously using image.
The present invention also discloses a kind of shutter glasses control method for a stereo image system, and a display output that includes this stereo image system comprises a plurality of images that together go on foot with image; Synchronously use image according to this, produce a synchronous signal; And according to this synchronizing signal, alternately hide one first eyeglass and one second eyeglass of a shutter glasses.
Coordinate detailed description and claims of following diagram, embodiment at this, with on address other purpose of the present invention and advantage and be specified in after.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention one stereo image system.
Fig. 2 A is the schematic diagram of an embodiment of a clock pulse generation module in Fig. 1.
Fig. 2 B is the coherent signal schematic diagram of the time pulse generating module of Fig. 2 A.
Fig. 3 is the schematic diagram of the embodiment of the present invention one shutter glasses control flow.
Wherein, description of reference numerals is as follows:
10 stereo image systems
102 liquid crystal display
104 image display control units
106 shutter glasses
108 first liquid crystal lens
110 second liquid crystal lens
112 eyeglass control modules
114 image capture units
116 time pulse generating modules
200 oscillators
202 correcting units
204 comparing units
206 adjustment units
30 shutter glasses control flows
300,302,304,306,308 steps
Img synchronously uses image
The L left-eye images
The R right-eye image
Simg synchronously uses image signal
The Syn sync signal
The Clk time pulse signal
The CMP comparative result
Embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of the embodiment of the present invention one stereo image system 10.Stereo image system 10 is for generation of a stereopsis, and it comprises a liquid crystal display 102, an image display control unit 104 and a shutter glasses 106.Image display control unit 104 produces general image (as left-eye images L and right-eye image R) except controlling liquid crystal display 102, also can control liquid crystal display 102 produce one synchronously with image Img or export one synchronously with image data to liquid crystal display 102, carry out synchronously for shutter glasses 106.In other words, liquid crystal display 102 can be non-exclusive relation with shutter glasses 106, that is liquid crystal display 102 and shutter glasses 106 can be the commodity of independent design and manufacturing, thus, the user can only purchase shutter glasses 106, indicative control unit 104, with original liquid crystal display collocation, can watch stereopsis again.
Specifically, shutter glasses 106 includes one first liquid crystal lens 108, one second liquid crystal lens 110, an eyeglass control module 112, an image capture unit 114 and a clock pulse generation module 116.The first liquid crystal lens 108 and the second liquid crystal lens 110 correspond respectively to user's left eye and right eye, in the time will watching stereopsis, image Img is synchronously used in image capture unit 114 acquisitions, convert thereof into synchronously with signal of video signal Simg and export time pulse generating module 116 to, time pulse generating module 116 can produce a synchronous signal Syn according to this to eyeglass control module 112.Eyeglass control module 112 can according to synchronizing signal Syn, alternately hide the first liquid crystal lens 108 and the second liquid crystal lens 110, and then make the user watch stereopsis.In simple terms, the synchronous image Img that uses that shutter glasses 106 is exported by acquisition liquid crystal display 102 reaches with liquid crystal display 102 and synchronizes.
Should be noted, Fig. 1 is in order to illustrate concept of the present invention, and those skilled in the art works as can do different variations and modification according to this, and is not limited to this.For instance, image display control unit 104 can be any multimedia image generation device, as box (Set-Top Box) or a network video player etc. on a digital displaying system, a digital television, except being arranged on liquid crystal display 102 outsides, also can in build in liquid crystal display 102, viewing system demand and deciding.Image capture unit 114 can be any type of image sensing component, as Charged Coupled Device (charge-coupled device, CCD), CMOS (Complementary Metal Oxide Semiconductor) (complementary metal-oxide-semiconductor, CMOS) etc., also or through particular design, as plated film, etching etc., in order to synchronously using image Img in image capture unit 114 acquisitions.
In addition, in Fig. 1, synchronous pattern with image Img, form be limit to some extent also, except will be synchronously being arranged at before all images with image Img, can be also to intert in image, synchronize to guarantee to reach with shutter glasses 106, and on form except being formed by red blue interlaced fields, also can be other form, such as black and white shaped as frame picture etc., as long as can be convenient to identification, be not limited to this.These derivative application should be the known skill of those skilled in the art.
On the other hand, time pulse generating module 116 shown in Figure 1 is mainly used to produce synchronizing signal Syn.Should be noted, the method that time pulse generating module 116 produces synchronizing signal Syn is not limited to any rule or condition.For instance, please refer to Fig. 2 A, Fig. 2 A is the schematic diagram of an embodiment of time pulse generating module 116.As shown in Fig. 2 A, time pulse generating module 116 comprises an oscillator 200 and a correcting unit 202.Oscillator 200 can be a voltage-controlled oscillator (VCO) (voltage controlled oscillator, VCO), is used for producing and synchronizes with signal of video signal Simg same frequency but a clock pulse signal Clk of out of phase.Correcting unit 202 is coupled to oscillator 200, is used for proofreading and correct clock signal Clk, to produce synchronizing signal Syn.Correcting unit 202 includes a comparing unit 204 and an adjustment unit 206.Comparing unit 204 be used for more synchronously using signal of video signal Simg and clock signal Clk a phase difference (as with clock signal Clk after a NOT lock computing, compare it and synchronize the phase difference of using signal of video signal Simg by an AND lock), and then produce a comparative result CMP.Adjustment unit 206 is coupled to comparing unit 204, is used for according to comparative result CMP, adjusts clock signal Clk, and its phase place is conformed to the phase place of synchronizeing with signal of video signal Simg, and then produces synchronizing signal Syn.
Please further with reference to figure 2B, Fig. 2 B is the coherent signal schematic diagram of correcting unit 202 in Fig. 2 A.By Fig. 2 A and Fig. 2 B as can be known, when correcting unit 202 receive that clock signal Clk and image capture unit 114 export synchronous during with signal of video signal Simg, comparing unit 204 is more synchronously used signal of video signal Simg and clock pulse signal Clk, adjustment unit 206 is adjusted clock signal Clk, to produce synchronizing signal Syn.
The embodiment of Fig. 2 A illustrates an embodiments possible of time pulse generating module 116, mainly by more synchronously using signal of video signal Simg and clock pulse signal Clk, and then adjusts clock signal Clk, to produce synchronizing signal Syn.Yet, be not limited to this, also can produce synchronizing signal Syn by adjusting oscillator 200; That is time pulse generating module 116 also can according to the synchronous signal of video signal Simg that uses, be adjusted the oscillator signal that an oscillator produces, and then be output as synchronizing signal Syn.
On the other hand, Fig. 2 A take clock signal Clk with synchronize with signal of video signal Simg have same frequency but out of phase as example, therefore only adjust phase place.In fact, in certain embodiments, the frequency of clock signal Clk also may be different from synchronous frequency with signal of video signal Simg, need adjust frequency.These derivative variations should be the skill that those skilled in the art has the knack of, therefore do not give unnecessary details.
Generally speaking, shutter glasses 106 can synchronously use image Img by what image capture unit 114 acquisition liquid crystal display 102 were exported, and then makes time pulse generating module 116 according to synchronously using image Img, generation synchronizing signal Syn.Therefore, when the beholder wants to watch stereopsis, do not need additionally to add the device of launching synchronous control signal in liquid crystal display 102, shutter glasses 106 is reached with liquid crystal display 102 synchronize.
The operation of shutter glasses 106 can be summarized as a shutter glasses control flow 30, as shown in Figure 3.Shutter glasses control flow 30 comprises the following steps:
Step 300: beginning.
Step 302: image Img is synchronously used in image capture unit 114 acquisitions.
Step 304: time pulse generating module 116 produces synchronizing signal Syn according to synchronously using signal of video signal Simg.
Step 306: eyeglass control module 112 alternately hides the first liquid crystal lens 108 and second liquid crystal lens 110 of shutter glasses 106 according to synchronizing signal Syn.
Step 308: finish.
The detailed description of shutter glasses control flow 30 and associated change can with reference to aforementioned, not repeat them here.
In known technology, shutter glasses and display reach the synchronous control signal that the method for synchronizeing is exported by display, mean the display exclusive shutter glasses of need arranging in pairs or groups, make the consumer must again buy whole group of stereo image system, just can watch stereopsis, thereby reduce consumer's purchase intention.In comparison, the present invention captures by shutter glasses the synchronous image of using that display produces, and does not need additionally to add the device of launching synchronous control signal in display, can reach synchronous.In this case, the consumer only need add and purchases shutter glasses and indicative control unit, does not need again to buy whole group of stereo image system, can watch stereopsis by general display.
In sum, the present invention captures by shutter glasses the synchronous image of using that display produces applicable to general display, shutter glasses is reached with display synchronize.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a shutter glasses, be used for a stereo image system, comprising:
One first eyeglass;
One second eyeglass;
One eyeglass control module is coupled to this first eyeglass and this second eyeglass, is used for alternately hiding this first eyeglass and this second eyeglass according to a synchronous signal;
One image capture unit is used for capturing a plurality of images that a display of this stereo image system is exported, and these a plurality of images comprise that one synchronously uses image; And
One clock pulse generation module is coupled to this image capture unit, is used for producing this synchronizing signal according to should synchronously using image.
2. shutter glasses as claimed in claim 1, is characterized in that, this time pulse generating module comprises:
One oscillator is used for producing a clock pulse signal; And
One correcting unit is coupled to this image capture unit and this oscillator, is used for adjusting this clock signal according to should synchronously using image, the frequency of this clock signal and phase place is conformed to, to produce this synchronizing signal with frequency and the phase place that should synchronize with image.
3. shutter glasses as claimed in claim 2, is characterized in that, this correcting unit comprises:
One comparing unit is used for this clock signal relatively and this synchronous frequency and phase place with image, to produce a comparative result; And
One adjustment unit is used for adjusting this clock signal according to this comparative result, the frequency of this clock signal and phase place is conformed to, to produce this synchronizing signal with frequency and the phase place that should synchronize with image.
4. shutter glasses as claimed in claim 1, is characterized in that, before this synchronously is placed in these a plurality of images with image.
5. a stereo image system, be used for showing stereopsis, comprising:
One display; One image display control unit is coupled to this display, is used for controlling this display and produces a plurality of images, and these a plurality of images comprise that one synchronously uses image; And
One shutter glasses comprises:
One first eyeglass;
One second eyeglass;
One eyeglass control module is coupled to this first eyeglass and this second eyeglass, is used for alternately hiding this first eyeglass and this second eyeglass according to a synchronous signal;
One image capture unit is used for capturing this synchronous image of using that this display is exported; And
One clock pulse generation module is coupled to this image capture unit, is used for producing this synchronizing signal according to should synchronously using image.
6. stereo image system as claimed in claim 5, is characterized in that, this time pulse generating module comprises:
One oscillator is used for producing a clock pulse signal; And
One correcting unit is coupled to this image capture unit and this oscillator, is used for adjusting this clock signal according to should synchronously using image, the frequency of this clock signal and phase place is conformed to, to produce this synchronizing signal with frequency and the phase place that should synchronize with image.
7. stereo image system as claimed in claim 6, is characterized in that, this correcting unit comprises:
One comparing unit is used for this clock signal relatively and this synchronous frequency and phase place with image, to produce a comparative result; And
One adjustment unit is used for adjusting this clock signal according to this comparative result, the frequency of this clock signal and phase place is conformed to, to produce this synchronizing signal with frequency and the phase place that should synchronize with image.
8. stereo image system as claimed in claim 5, is characterized in that, before this synchronously is placed in these a plurality of images with image.
9. shutter glasses control method that is used for a stereo image system comprises:
One display output of this stereo image system comprises a plurality of images that together go on foot with image;
Synchronously use image according to this, produce a synchronous signal; And
According to this synchronizing signal, alternately hide one first eyeglass and one second eyeglass of a shutter glasses.
10. shutter glasses control method as claimed in claim 9, is characterized in that, synchronously uses image according to this, produces the step of this synchronizing signal, comprising:
Produce a clock pulse signal; And
Synchronously use image according to this, adjust this clock signal, the frequency of this clock signal and phase place are conformed to, to produce this synchronizing signal with frequency and the phase place that should synchronize with image.
11. shutter glasses control method as claimed in claim 10 is characterized in that, synchronously uses image according to this, adjusts the step of this clock signal, comprising:
Synchronous frequency and phase place with image of this clock signal and this relatively is to produce a comparative result; And
According to this comparative result, adjust this clock signal, the frequency of this clock signal and phase place are conformed to, to produce this synchronizing signal with frequency and the phase place that should synchronize with image.
12. shutter glasses control method as claimed in claim 9 is characterized in that, before this synchronously is placed in these a plurality of images with image.
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| CN2011104417477A CN103179410A (en) | 2011-12-26 | 2011-12-26 | Shutter glasses, three-dimensional image system and shutter glasses control method |
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| CN2011104417477A CN103179410A (en) | 2011-12-26 | 2011-12-26 | Shutter glasses, three-dimensional image system and shutter glasses control method |
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| CN101325721A (en) * | 2007-06-15 | 2008-12-17 | 盛群半导体股份有限公司 | Circuit and method for adjusting image frequency |
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| WO2010119490A1 (en) * | 2009-04-14 | 2010-10-21 | パナソニック株式会社 | Video display device, spectacles for viewing video, and system provided with video display device and spectacles for viewing video |
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Application publication date: 20130626 |