CN101371292B - System and method for controlling stereo glasses shutters - Google Patents
System and method for controlling stereo glasses shutters Download PDFInfo
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- CN101371292B CN101371292B CN2007800016296A CN200780001629A CN101371292B CN 101371292 B CN101371292 B CN 101371292B CN 2007800016296 A CN2007800016296 A CN 2007800016296A CN 200780001629 A CN200780001629 A CN 200780001629A CN 101371292 B CN101371292 B CN 101371292B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/144—Processing image signals for flicker reduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
- G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/002—Eyestrain reduction by processing stereoscopic signals or controlling stereoscopic devices
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- Optics & Photonics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
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Abstract
A system, a method, and a computer program product are provided for controlling stereo glasses shutters. In use, a right eye shutter of stereo glasses is controlled to switch between a closed orientation and an open orientation. Further, a left eye shutter of the stereo glasses is controlled to switch between the closed orientation and the open orientation. To this end, the right eye shutter and the left eye shutter of the stereo glasses may be controlled such that the right eye shutter and the left eye shutter simultaneously remain in the closed orientation for a predetermined amount of time.
Description
Technical field
The present invention relates to video display, and more particularly, relate to and utilize three-dimensional dimmer glasses to watch three-dimensional video-frequency and graph image.
Background technology
Equip various display equipments so that carry out one-dimensional (mono) and stereos copic viewing.Watch differently with one-dimensional, stereos copic viewing relates to the left eye that shows the people and the stand-alone content of right eye.Specifically, this type of stereos copic viewing need present independent image to people's left eye and right eye.In a kind of stereos copic viewing (that is, the sequential keyboard encoder stereos copic viewing) of particular type, present this type of left image and right image in an alternating manner.Experience in order to ensure suitable stereos copic viewing, also use alternately dimmer glasses usually, it makes sees that at appropriate time left eye left image and right eye see right image.
In the past, the sequential keyboard encoder stereos copic viewing is good in CRT and related display [for example, high frame rate (DLP) projector etc.] work of going up.Yet because some problems, the sequential keyboard encoder stereos copic viewing does not also represent prospect on LCD (LCD) (no matter being flat board or projector form).For instance, the slow-response time of the pixel in the LCD environment makes " ghost image " that has left image in the right view, and vice versa.In addition, regrettably, the essence of LCD renewal process causes completely presenting the only short time cycle of right image and left image, as describing in detail now.
Figure 1A explanation is utilizing LCD to attempt the hypothesis shortcoming that will exist under the situation of stereos copic viewing.Such as in this hypothesis instance displaying, LCD will receive pixel with raster scan order (that is from left to right waiting, from top to bottom, line by line) by cable 10 (for example, digital visual interface (DVI) or Video Graphics Array (VGA) cable).At first send the first left image L1 that hope is watched by left eye by cable 10.After this, exist the transmission that is called as vertical blanking interval VBI to end.Next, send the first right image R1 that wishes to be used for right eye, etc.
Different with CRT with other related display, the LCD pixel has the respective capacitances memory element, described capacitive memory element makes each pixel keep its color and intensity till the lcd driver associated electronic components is upgraded it, and described lcd driver associated electronic components is with grating order address pixel.Therefore, in time T 1, when sending the part of the first right image R1, what the real image that sends from lcd screen was included in " not overriding " (for example, redness) part of the first left image L1 of bottom and the first right image R1 newly writes (for example, green) part.In addition, at T2, and in fact whole vertical blanking interval VBI shows only to comprise the first right image R1 in time T 2 beginnings.In time T 3, partly override the first right image R1 by the second left image L2 with institute's exhibition method.For this reason, if show the displaying contents of time T 1 and T3 to left eye or right eye, this will receive the partial content at least of not wishing to be used for this unfortunately so.
As mentioned previously, use the anaglyph spectacles that is equipped with right eye dimmer and left eye dimmer to guarantee that suitable eyes are watched appropriate image during stereos copic viewing usually.As demonstrated, in this hypothesis instance, after showing the first left image L1, left eye dimmer control 20 switches to open orientation (right during this period dimmer maintains and cuts out in the orientation) with left dimmer.Similarly, after showing the first right image R1, the control 30 of right eye dimmer switches to open orientation (left dimmer was transformed into to cut out the orientation and maintain and cut out in the orientation this moment) with right dimmer.
In addition, regrettably, each eye receives the partial content at least of not wishing to be used for these eyes be in the suitable major part of duration of open orientation at the dimmer that is associated during, thereby causes not satisfied stereos copic viewing.Therefore, need overcome these relevant and/or other problem with prior art.
Summary of the invention
Be provided for controlling system, the method and computer program product of stereo glasses shutters.In use, the right eye dimmer of anaglyph spectacles switches to cut out between orientation and the open orientation through control.In addition, the left eye dimmer of anaglyph spectacles switches also to cut out between orientation and the open orientation through control.In use, the right eye dimmer of anaglyph spectacles and left eye dimmer can be closed in the orientation so that right eye dimmer and left eye dimmer remain on during measuring at the fixed time simultaneously through control.
Description of drawings
Figure 1A explanation is utilizing LCD (LCD) to attempt the hypothesis shortcoming that will exist under the situation of stereos copic viewing.
Figure 1B explanation can be implemented various structures and/or the functional illustrative computer system of various embodiment.
Fig. 2 shows the exemplary sequential that is used to improve the viewing experience when utilizing anaglyph spectacles to watch displaying contents according to an embodiment.
Fig. 3 show according to an embodiment be used to increase vertical blanking interval to be used to improve the method for the viewing experience when utilizing anaglyph spectacles to watch displaying contents.
Fig. 4 show according to another embodiment be used to increase vertical blanking interval to be used to improve the method for the viewing experience when utilizing anaglyph spectacles to watch displaying contents.
Fig. 5 shows the exemplary sequential used of being used for according to another embodiment when utilizing anaglyph spectacles and LCD or analog to watch displaying contents.
Embodiment
Fig. 1 explanation can be implemented various structures and/or the functional illustrative computer system 100 of different embodiment.As demonstrated, provide the computer system 100 that comprises at least one host-processor 101, described at least one host-processor 101 is connected to communication bus 102.Computer system 100 also comprises primary memory 104.Steering logic (software) and data storage are in primary memory 104, and described primary memory 104 can be the form of random-access memory (ram).
In this description, single semiconductor platform can refer to the integrated circuit or the chip of the based semiconductor of independent integral body.Note that the single semiconductor platform of term also can refer to have internuncial multi-chip module of increase, operation and obtain essential improvement aspect conventional CPU (central processing unit) (CPU) and the bus enforcement utilizing on the described multi-chip module analog chip.Certainly, the various combinations of semiconductor platform also can be located or be arranged in to various module individually according to user's requirement.
Computer program or computer control logic algorithm can be stored in primary memory 104 and/or the supplementary storage 110.This type of computer program makes computer system 100 can carry out various functions when being performed.Storer 104, storer 110 and/or any other storer are the possible examples of computer-readable media.
Further comprise a pair and can be worn over user's anaglyph spectacles 111 on the face.Though anaglyph spectacles 111 is shown as to comprise is used for anaglyph spectacles 111 is supported on user's two elongate members on the face, but please note, can use other structure (for example, no Component Design, headband, the helmet etc.) that the support of similar or any other type is provided.As further displaying, anaglyph spectacles 111 also comprises right eye dimmer 114 and left eye dimmer 113.
Right eye dimmer 114 and left eye dimmer 113 boths can be in open orientation and close the orientation.In use, open orientation allows more light to pass through with respect to closing the orientation.Certainly, can realize this type of orientation by any machinery, electricity, optical facilities and/or any mechanism that other can carry out above-mentioned functions of wanting.
For the control purpose, anaglyph spectacles 111 can be coupled to three-dimensional controller 119 via cable 118 (or there is no cable 118 in wireless environment).Three-dimensional controller 119 is coupled between graphic process unit 106 and the display 108 functional with what be used to carry out hereinafter stated again.Though three-dimensional controller 119 is shown as resides between graphic process unit 106 and the display 108, but please note, three-dimensional controller 119 can reside in any position that is associated with computer system 100, anaglyph spectacles 111, and/or even reside in the standalone module (specifically say (but may not), be attached in graphic process unit 106 among the embodiment of the stand-alone interface [for example, USB (universal serial bus) (USB) etc.] on the computer system 100).In one embodiment, display 108 can be directly connected to computer system 100, and three-dimensional controller 119 can further be directly connected to computer system 100 via USB interface.In addition, three-dimensional controller 119 can comprise can provide functional any hardware and/or the software wanted.
Specifically, in certain embodiments, right eye dimmer 114 and left eye dimmer 113 switch to close between orientation and the open orientation through control.With conspicuous reason, the right eye dimmer 114 of anaglyph spectacles 111 and left eye dimmer 113 can be closed in the orientation so that right eye dimmer 114 and left eye dimmer 113 remain on during measuring at the fixed time simultaneously through control for hereinafter.In particular, as will understanding very soon, this type of technology reduces the duration that each eye receives the partial content at least of not wishing to be used for these eyes, thereby causes the stereos copic viewing of the raising of content on the display 108.
Except that above-mentioned technology and/or substitute above-mentioned technology, three-dimensional controller 119, display 108 and/or any other the appropriate hardware that is associated with computer system 100 and/or software can be equipped with the mode that is used for to improve the viewing experience when utilizing anaglyph spectacles 111 to watch displaying contents and adjust the functional of display 108.Specifically, the duration of the vertical blanking interval that is associated with the displaying contents that is received can be through increasing to be used to improve the viewing experience when utilizing anaglyph spectacles 111 to watch displaying contents.
Under the situation of this description, vertical blanking interval can refer to show the content that hope is watched by right eye and show any duration between the content of wishing to be watched by left eye.In an optional embodiment, this type of vertical blanking interval can refer to by interface blanking line (and/or out of Memory) be sent to the duration of display 108.In addition, in another embodiment, vertical blanking interval can refer on display 108 time of keeping content and not upgrading.According to an optional embodiment, by prolonging vertical blanking interval (for example, sending more blanking line etc.), content can be shown that the long period stays open the long period to allow anaglyph spectacles 111 by above-mentioned interface, therefore increase apparent brightness to the user.
To state more descriptive information about various optional structures and feature now, can implement or can not implement above-mentioned functions according to user's requirement by described various optional structures and feature.Please pay special attention to, following information states and should not be construed as restriction by any way for illustration purposes.Can under the situation that does not comprise or comprise described further feature, incorporate any one of following feature according to circumstances into.
For instance, in one embodiment, can be (promptly at host-processor 101, graphic process unit 106, chipset, one group through the integrated circuit of design to work and to sell as being used to carry out the unit of correlation function), and/or the structure of each figure below implementing under the situation of any other integrated circuit related with same and/or functional.In addition, can want the structure of each figure below the enforcement under the situation of system and/or functional in general computer system, circuit board systems, the game console system that is exclusively used in entertainment purposes, dedicated system and/or any other.
Fig. 2 shows the exemplary sequential 200 that is used to improve the viewing experience when utilizing anaglyph spectacles to watch displaying contents according to an embodiment.As selection, can under the situation of the computer system 100 of Figure 1B, implement this sequential 200.Yet, can want in the environment to use sequential 200 any certainly.In addition, during following description, use above-mentioned definition.
As demonstrated, display (for example, the display 108 of Fig. 1 etc.) receives displaying contents by communication medium 201 (for example, digital visual interface (DVI) or Video Graphics Array (VGA) cable, or any other can transmit the related media of displaying contents).Under the situation of this description, this type of displaying contents can comprise pixel relevant information, (a plurality of) image and/or processing any stage the place any its component perhaps in other that can show.In Fig. 2, be shown as at first and send the first left image L1 that hope is only watched by left eye by communication medium 201.After this, exist the transmission that is called as vertical blanking interval VBI to end.Next, then send the first right image R1 that wishes only to be used for right eye etc.
As further displaying, can control the right eye dimmer and the left eye dimmer of anaglyph spectacles (for example, anaglyph spectacles 111 etc.) independently.In one embodiment, this left control signal 208 that is used to control the right eye control signal 206 of right eye dimmer by utilization and is used to control the left eye dimmer is finished.
Specifically, the left eye dimmer of anaglyph spectacles can be through control so that the left eye dimmer be in the open orientation at the duration of first group of vertical blanking interval 210 at least, described first group of vertical blanking interval 210 follow receive wish to be used for the displaying contents of left eye after.In a similar manner, the right eye dimmer of anaglyph spectacles can be through control so that the right eye dimmer be in the open orientation at the duration of second group of vertical blanking interval 213 at least, described second group of vertical blanking interval 213 follow receive wish to be used for the displaying contents of right eye after.As demonstrated, first group of vertical blanking interval 210 and second group of vertical blanking interval 213 alternately, and described both perhaps take place between the cycle of left eye content receiving in the right eye from content source.
(for example, specifically say, inferior) in other embodiments, can utilize a plurality of signals (for example, code etc.) to control the right eye dimmer and the left eye dimmer of anaglyph spectacles in the situation of wireless anaglyph spectacles.In this type of embodiment, one in this type of signal can be through distributing particularly so that right eye dimmer and left eye dimmer are converted to close the orientation and remain on simultaneously closes in the orientation.Certainly, can use independent signal only to close right eye dimmer, left eye dimmer etc.
For this reason, the right eye dimmer of anaglyph spectacles and left eye dimmer can be closed in the orientation so that right eye dimmer and left eye dimmer remain on during measuring 209 at the fixed time simultaneously through control.As demonstrated, these type of 209 times of representing the first right image R1 partly to be override by the first left image L1 of amount schedule time.Therefore, right eye dimmer by guaranteeing anaglyph spectacles and left eye dimmer remain on simultaneously at this type of time durations closes in the orientation, has prevented that the right eye content from reaching left eye and having prevented that the left eye content from reaching right eye.
In embodiment illustrated in fig. 2, the left eye dimmer of anaglyph spectacles can be through control so that the left eye dimmer only is in the open orientation at the duration of first group of vertical blanking interval 210 (that is, when only the left eye content is shown etc.).In addition, the right eye dimmer of anaglyph spectacles can be through control so that the right eye dimmer only is in the open orientation at the duration of second group of vertical blanking interval 213 (that is, when only the right eye content is shown etc.).Therefore, this type of amount 209 is represented whole time frame that the first right image R1 partly override by the first left image L1 etc. schedule time.
Yet, in other embodiments, the right eye dimmer of anaglyph spectacles and left eye dimmer can be through control so that dimmer each during the adjustable time cycle (wherein reduced the schedule time amount 209) remain in the open orientation, to permit additional light by each dimmer separately.Referring to (for example) cycle 210.For this reason, user's eyes can stand more light, improve the perceived brightness of image thus.
In other words, the left eye dimmer of anaglyph spectacles can be through control so that the left eye dimmer is in the open orientation during exceeding cycle of duration of first group of vertical blanking interval 210.Similarly, the right eye dimmer of anaglyph spectacles can be through control so that the right eye dimmer is in the open orientation during exceeding cycle of duration of second group of vertical blanking interval 213.Certainly, a balance that is associated with this type of selection relate to increase wherein each eye receive duration of the partial content at least of not wishing to be used for these eyes.Specifically, may when the right eye dimmer is in the open orientation, show at least a portion of left eye content, and vice versa.
As stating referring to Figure 1B, the duration that can increase the vertical blanking interval VBI that is associated with the displaying contents that is received is to be used to improve the viewing experience when utilizing anaglyph spectacles to watch displaying contents.By increasing the duration of vertical blanking interval VBI, increased the time cycle that each eye receives the content of wishing to be used for these eyes fully, thereby caused the stereos copic viewing of the raising of content on the display.
Note that vertical blanking interval VBI can anyly want mode to increase.For instance, before content source sends to display with data, can seek advice from appropriate display timing generator specification.This can be by using communication medium 201 and using any interface of wanting [for example, the demonstration recognition data (E-DDC/EDID) of the DDC/expansion of expansion, VESA (VESA) interface etc.] to finish.For this reason, content source can select manyly to set up/standard time sequence and/or customization sequential one send content, wherein this type of sequential allows vertical blanking interval VBI to increase.Can be further wait and provide/keep this type of sequential by the manufacturer of anaglyph spectacles, the graphic process unit of using configuration file to drive image.About the more information of various exemplary technique will be during with reference to back figure set forth in detail, wherein can use described various exemplary technique to increase the duration of vertical blanking interval VBI in this way particularly.
Fig. 3 show according to an embodiment be used to increase vertical blanking interval to be used to improve the method 300 of the viewing experience when utilizing anaglyph spectacles to watch displaying contents.Select as one, this method 300 can be implemented under the situation of the sequential 200 of the computer system 100 of Figure 1B and/or Fig. 2.Yet, can want implementation method 300 in the environment any certainly.In addition, below use the definition of above being introduced during the description.
As demonstrated, with natural resolution drive display (for example, display 108 of Fig. 1 etc.).Referring to operation 303.This type of natural resolution can refer to that display is through designing not change the resolution of ground displaying contents.Nature resolution is normally based on the actual cell number in the display.
Next, by utilizing pixel clock to increase the speed that pixel is sent to display.Specifically, in one embodiment, can be for showing purpose by using possible maximum pixel clock to transmit pixel.Referring to operation 304.In an one exemplary embodiment, this type of maximum pixel clock can comprise the maximum pixel clock that the standard code stube cable supported (for example, for the 165Mpix/s of single-link DVI cable, for 330Mpix/s of dual link DVI cable etc.).In another embodiment, aforementioned possible maximum pixel clock can comprise in the relevant EDID information by the indicated pixel clock limit of display.This type of limit can be identical with the DVI cable clock limit or be lower than the DVI cable clock limit.
In addition, reduce and show the horizontal blanking interval be associated, as operate in 306 indicated.Under the situation of this description, the horizontal blanking interval is meant that the processing of continuous lines turns back to the interval on a left side from the right side.In one embodiment, can be chosen as the horizontal blanking interval as far as possible little.By maximizing pixel clock and minimize the horizontal blanking interval, the maximizing vertical blanking interval duration with aforementioned manner.To during the example of describing statement after a while, understand the mode of finishing this target.
The substitute technology that is used to increase vertical blanking interval (except that increasing pixel clock etc.) can relate to the reduction display refresh rate.For instance, in an illustrative embodiment, can under 85Hz, use the display that is designed for 100Hz by the vertical blanking interval with 19% with low vertical blanking interval.
In various embodiments, but the display project equipment has a plurality of extra sequential to be used to increase the duration of vertical blanking interval.Though display any one in can be in many ways is equipped with extra sequential, in one embodiment, this can finish by extra sequential being included in the software in the storer that is stored in display.In use, this type of extra sequential can be applicable to separately and reduce and to show the horizontal blanking interval be associated and/or increase the speed that pixel is sent to display.
The exemplary sequential that table 1 explanation can aforementioned manner be added.Certainly, restriction is by any way only stated and should not be construed as to this type of sequential for illustration purposes.For instance, in the VGA environment, but pin and display upgrade this table explicitly, and in the DVI environment, this type of changes may be also inessential.
Table 1
| Horizontal synchronization begins | 1288? | Pixel |
| Horizontal right margin | 0? | Pixel |
| Horizontal forward position | 8? | Pixel |
| Horizontal sync time | 16? | Pixel |
| Edge after the level | 24? | Pixel |
| Horizontal left margin | 0? | Pixel |
| Vertical T.T. | 1400? | OK |
| The vertical addressing time | 1024? | OK |
| Vertical blanking begins | 1024? | OK |
| Vertical blanking time | 376? | OK |
| Vertical synchronization begins | 1040? | OK |
| Vertical bottom boundaries | 0? | OK |
| Vertical forward position | 16? | OK |
| The vertical synchronization time | 112? | OK |
| Edge, vertical back | 248? | OK |
| Vertical top boundary | 0? | OK |
Note that above-mentioned horizontal blanking interval is more inessential under the situation of LCD, DLP escope etc., provide thus and sacrificed the chance that the horizontal blanking interval prolongs vertical blanking interval.In particular, in the CRT escope, this type of horizontal blanking is usually through increasing (for example, in 15% to 25% scope etc.) to allow to track again the place that begins of particular scan.For instance, the CRT escope can show X pixel of first row, but after this usage level blanking interval comes to provide the time of the beginning that tracks sweep trace again so that can show X pixel of another row to display, and the rest may be inferred.
Mutual relationship between equation #1 explanation horizontal blanking interval and the vertical blanking interval.
Equation #1
f
pix＝(pixels_X-direction+HBI)*(pixels_Y-direction+VBI)*f
v
Wherein
f
Pix=pixel rate
Number of pixels in the HBI=horizontal blanking interval
Number of pixels on the pixels_X-direction=X direction (for predetermined resolution)
Associated pixel number in the VBI=vertical blanking interval
Number of pixels on the pixels_Y-direction=Y direction (for predetermined resolution)
f
v=refresh rate
As demonstrated, the horizontal blanking interval can be sacrificed and pixel rate and refresh rate may not be influenced to be used to prolong vertical blanking interval (in particular, under the situation of LCD, DLP escope etc.).
Therefore, in one embodiment, the aforementioned sequential of table 1 can provide the alternative three-dimensional compatible sequential specification of 1280 * 102475Hz, and described alternative specification can coexist with existing VESA 1280 * 102475Hz sequential specification.In this type of one exemplary embodiment, existing 1280 * 102475Hz VESA sequential is used for 24.2% of pot life horizontal blanking and is used for vertical blanking with 3.9%, and three-dimensional compatible sequential will be used for vertical blanking and will be used for horizontal blanking less than 4% near 27% of pot life.
Fig. 4 show according to another embodiment be used to increase vertical blanking interval to be used to improve the method 400 of the viewing experience when utilizing anaglyph spectacles to watch displaying contents.Select as one, can under the situation of the sequential 200 of the computer system 100 of Figure 1B and/or Fig. 2, carry out this method 400.Yet, can want implementation method 400 in the environment any certainly.In addition, during following description, use the definition of above being introduced.
As demonstrated, with low resolution display (for example, display 108 of Fig. 1 etc.) is set during use.Referring to operation 402.In addition, can move display at a predetermined velocity to be used to prolong vertical blanking interval.Note operation 404.Below state the example of this type of technology.
Specifically, in an optional embodiment, can provide the display that is designed for 1600 * 1200 resolution but uses with low resolution (for example, 1024 * 768).If this class display is supported 1600 * 1200 resolution (according to the VESA standard) under 60Hz, 162Mpix/s (under the situation of any resolution) may can be reached so.Therefore, by sending 1024*768 pixel to display, can in 5.33 milliseconds (1144*768*6.173e-9), send entire image (supposing 100 pixel level blankings) with the 162MHz pixel clock.Because per 16.66 milliseconds of images that receive 60Hz, so vertical blanking interval can extend to 11.33 milliseconds (16.66-5.33).For this reason, each dimmer of a secondary anaglyph spectacles (for example, the anaglyph spectacles 111 of Fig. 1 etc.) can have 11.33 milliseconds to remain on open orientation during per 33.33 milliseconds, and 34% working cycle (outside the scope of theoretical maximal value 50%) is provided thus.
In one embodiment, the controller (for example, three-dimensional controller 119 of Fig. 1 etc.) that can be according to circumstances be coupled to display by utilization provides Fig. 3 aforementioned functional to Fig. 4.Under the situation of present embodiment, this quasi-controller can be used for signal in the cable that tap is fed to display is used for glasses (for example, anaglyph spectacles 111 of Fig. 1 etc.) with retrieval trigger message.Obtain in the vertical synchronization that this type of trigger message can be from cable and a left side/right eye dimmer of the information (for example, white line code etc.) that is associated with content of identification or the control signal (for example, DDC signal etc.) that provides by software.
In another embodiment, can be by interrupting two I2C
Interface line provides the method 300 of Fig. 3 and the method 400 of Fig. 4, described I2C
Interface line delivers the EDID standard information usually.Controller is among the embodiment of microcontroller form therein, and this type of hardware can read original display EDID information and modified EDID information is presented to the computer system that is associated.In this type of embodiment, the driver that uses EDID information to calculate the sequential setting may not need to revise.
Fig. 5 shows the exemplary sequential 500 used of being used for according to another embodiment when utilizing anaglyph spectacles and LCD or analog to watch displaying contents.Select as one, can under the situation of the sequential 200 of the computer system 100 of Figure 1B and/or Fig. 2, carry out this sequential 500.Yet, can want in the environment to use sequential 500 any certainly.
In the present embodiment, the displaying contents that sends to display in 502 in the operation mode that can operate in 504 again to be showed receives and cushions.Select as one, can reside in the display or the buffer memory in what its relevant position in office (for example, DRAM etc.) carries out this type of buffering by utilization.
Be used for the displaying contents of particular eye in case in operation 504, receive and cushion, just it can be sent to display from impact damper, as operate further indication of institute in 504.For this reason, display can be described current specific display of just sending from impact damper.Note operation 506.It should be noted that after sending and describing to be used for the displaying contents of particular eye, can keep this type of displaying contents by institute's exhibition method.
By this design, the left eye dimmer and the right eye dimmer of a secondary anaglyph spectacles (for example, anaglyph spectacles 111 of Fig. 1 etc.) can be opened during the just maintained time cycle of corresponding display contents.Note operation 508 and 510 respectively.By in operation 504, displaying contents being cushioned with aforementioned manner, can obtain displaying contents and pass cable arrival needed any tediously long time of impact damper, therefore pixel clock is remained low.It in addition, when displaying contents being cushioned and be ready to show, displaying contents can be sent to display fast, so that can be held and show the long period to eyes separately.Therefore, can be by displaying contents being cushioned, avoids simultaneously the needs that increase the vertical blanking interval on the display interface device cable are waited the stabilization time that increases displaying contents with aforementioned manner.
Generally speaking, can cushion the displaying contents that is used for predetermined eyes that receives from content source till the complete image of the displaying contents that can obtain to be used for these eyes.Though this type of buffering takes place, but still can show the previous displaying contents that is used for another eyes.When this type of buffering is finished and during image stabilization, the complete image that can will be used for the displaying contents of these eyes during duration of vertical blanking interval or longer time is sent to display from impact damper.In addition, this type of transmission can be carried out in the maximum pixel speed of inside disposal by display, so that vertical blanking interval can maximize.If this type of is too short at interval, can use so to receive temporarily and to store the extra buffering that the next one imports image into.For this reason, the eyes dimmer can be prolonged and duration in the open orientation (and therefore maximizing screen intensity etc.) can be maintained.
Strictly speaking, select as one, can when at least one of dimmer is in the open orientation, just start the backlight of display.Can under the flicker or the situation backlight of rolling, use this feature.Under flicker situation backlight, backlight can the flicker at the time durations of (for example) 30%, but also can use light with triplication value, so that normal light output is provided.For this reason, can use eigen to avoid waste light (with the electric power that is associated) when dimmer cuts out, and further avoid overheated.
Though above described various embodiment, should be appreciated that, its only by way of example rather than the restriction mode present.For instance, any one of networking element can use above to be stated want functional any one.Therefore, the range of preferred embodiment and scope should not be subjected to one exemplary embodiment as described above any one limit, but should only define according to appended claims and equivalent thereof.
Claims (40)
1. method that is used to control stereo glasses shutters, it comprises:
The right eye dimmer of control anaglyph spectacles is to switch cutting out between orientation and the open orientation; And
The left eye dimmer of controlling described anaglyph spectacles is to switch described cutting out between orientation and the described open orientation;
The described right eye dimmer of wherein said anaglyph spectacles and described left eye dimmer are through controlling so that described right eye dimmer and described left eye dimmer remain on described closing in the orientation during measuring at the fixed time simultaneously.
2. method according to claim 1 is wherein controlled the described right eye dimmer and the described left eye dimmer of described anaglyph spectacles independently.
3. method according to claim 2, second control signal that wherein is used to control first control signal of described right eye dimmer and is used to control described left eye dimmer is controlled the described right eye dimmer and the described left eye dimmer of described anaglyph spectacles independently.
4. method according to claim 1, wherein utilize a plurality of signals to control the described right eye dimmer and the described left eye dimmer of described anaglyph spectacles, one of described a plurality of signals impel described right eye dimmer and described left eye dimmer to be converted to simultaneously describedly to close the orientation and remain on described closing in the orientation.
5. method according to claim 1, the described right eye dimmer of wherein said anaglyph spectacles and described left eye dimmer are through controlling to permit the content on the stereos copic viewing display.
6. method according to claim 5, wherein said display comprises LCD.
7. method according to claim 1, the described right eye dimmer of wherein said anaglyph spectacles through control so that described right eye dimmer is in the described open orientation at the duration of first group of vertical blanking interval at least, and the described left eye dimmer of described anaglyph spectacles through control so that described left eye dimmer is in the described open orientation at the duration of second group of vertical blanking interval at least.
8. method according to claim 7, the described right eye dimmer of wherein said anaglyph spectacles through control so that described right eye dimmer is in the described open orientation during exceeding cycle of described duration of described first group of vertical blanking interval, and the described left eye dimmer of described anaglyph spectacles through control so that described left eye dimmer is in the described open orientation during exceeding cycle of described duration of described second group of vertical blanking interval.
9. method according to claim 7, the described right eye dimmer of wherein said anaglyph spectacles through control so that described right eye dimmer only is in the described open orientation at the described duration of described first group of vertical blanking interval, and the described left eye dimmer of described anaglyph spectacles through control so that described left eye dimmer only is in the described open orientation at the described duration of described second group of vertical blanking interval.
10. method according to claim 7, wherein said first group of vertical blanking interval and described second group of vertical blanking interval are alternately.
11. method according to claim 7, wherein said first group of vertical blanking interval and described second group of vertical blanking interval perhaps occur between the cycle of left eye content receiving in the right eye from content source.
12. method according to claim 1 wherein increases duration of described first group of vertical blanking interval and described second group of vertical blanking interval.
13. method according to claim 1, the described right eye dimmer of wherein said anaglyph spectacles through control so that described right eye dimmer only is in the described open orientation when showing the right eye content, and the described left eye dimmer of described anaglyph spectacles through control so that described left eye dimmer only is in the described open orientation when showing the left eye content.
14. method according to claim 1, the described right eye dimmer of wherein said anaglyph spectacles and described left eye dimmer through control so that described right eye dimmer and described left eye dimmer each during the adjustable time cycle, remain in the described open orientation.
15. method according to claim 14, the wherein said adjustable time cycle is passed described right eye dimmer and described left eye dimmer through adjusting to permit additional light.
16. method according to claim 1 wherein utilizes the controller that is connected to computer system via USB (universal serial bus) to carry out described control.
17. method according to claim 1 wherein only just starts the backlight of described display when one of described dimmer is in the described open orientation.
18. a system that is used to control stereo glasses shutters, it comprises:
Be used to control the right eye dimmer of anaglyph spectacles to close device for switching between orientation and the open orientation; And
The left eye dimmer that is used to control described anaglyph spectacles is to cut out device for switching between orientation and the described open orientation described;
The described right eye dimmer of wherein said anaglyph spectacles and described left eye dimmer are through controlling so that described right eye dimmer and described left eye dimmer remain on described closing in the orientation during measuring at the fixed time simultaneously.
19. a system that is used to control stereo glasses shutters, it comprises:
Graphic process unit; And
With described graphic process unit controller in communication, described controller is used to control the right eye dimmer of anaglyph spectacles and left eye dimmer to switch cutting out between orientation and the open orientation;
The described right eye dimmer of wherein said anaglyph spectacles and described left eye dimmer are through controlling so that described right eye dimmer and described left eye dimmer remain on described closing in the orientation during measuring at the fixed time simultaneously.
20. system according to claim 19, wherein said graphic process unit is communicated by letter with CPU (central processing unit) with display via bus.
21. a method that is used to control stereo glasses shutters, it comprises:
Receive displaying contents to be used to utilizing display to export; And
The duration that increases the vertical blanking interval that is associated with described displaying contents is to be used to improve the viewing experience when utilizing anaglyph spectacles to watch described displaying contents.
22. method according to claim 21 wherein increases described duration of described vertical blanking interval by the horizontal blanking interval that reduces to be associated with described display.
23. method according to claim 21 wherein increases the described duration of described vertical blanking interval by increasing the speed that pixel is sent to described display.
24. method according to claim 21 wherein increases described duration of described vertical blanking interval by the refresh rate that reduces described display.
25. method according to claim 21 wherein drives described display with natural resolution.
26. method according to claim 21 wherein gives a plurality of extra sequential of described display equipment to be used to increase the described duration of described vertical blanking interval.
27. method according to claim 26, each is applicable to wherein said extra sequential and reduces the horizontal blanking interval that is associated with described display.
28. method according to claim 26, each is applicable to that increase sends to pixel the speed of described display wherein said extra sequential.
29. method according to claim 26, each is applicable to the refresh rate that reduces described display wherein said extra sequential.
30. method according to claim 26 is wherein by being included in a plurality of extra sequential in the software in the storer that is stored in described display to come to the described extra sequential of described display equipment.
31. method according to claim 21 wherein increases described duration of described vertical blanking interval by the resolution that reduces to be associated with described display.
32. method according to claim 31 wherein by described displaying contents is cushioned, avoids the needs that increase the described vertical blanking interval on the display interface device cable are increased the stabilization time of described displaying contents simultaneously.
33. method according to claim 32, wherein the described displaying contents that is associated with predetermined eyes is cushioned up to the complete image of the displaying contents that is used for described predetermined eyes till buffering, after this then will be used for maximum pixel speed rates that the described complete image of the displaying contents of described predetermined eyes can dispose in inside with described display to described display so that described vertical blanking interval can be maximized.
34. method according to claim 32 wherein is used for dynamic RAM described buffering.
35. method according to claim 32 wherein cushions the described displaying contents that is used for described predetermined eyes, shows the previous displaying contents that is used for another predetermined eyes simultaneously.
36. method according to claim 21, wherein said display comprises LCD, and starts described backlight liquid crystal display during described vertical blanking interval.
37. method according to claim 21, wherein utilization and graphic process unit and described anaglyph spectacles control of communication assembly increase the described duration of described vertical blanking interval.
38. a system that is used to control stereo glasses shutters, it comprises:
Be used to receive the device of displaying contents to be used to utilize display to export; And
Be used to increase the duration of the vertical blanking interval that is associated with described displaying contents to be used to improve the device of the viewing experience when utilizing anaglyph spectacles to watch described displaying contents.
39. a system that is used to control stereo glasses shutters, it comprises:
Display;
Graphic process unit; And
With at least one control of communication assembly in described graphic process unit and the described display, described Control Component is used to increase the duration of the vertical blanking interval that is associated with displaying contents to be used to improve the viewing experience when utilizing anaglyph spectacles to watch described displaying contents.
40. according to the described system of claim 39, wherein said graphic process unit is communicated by letter with CPU (central processing unit) via bus.
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| US11/462,529 | 2006-08-04 | ||
| US11/462,535 US8169467B2 (en) | 2006-03-29 | 2006-08-04 | System, method, and computer program product for increasing an LCD display vertical blanking interval |
| US11/462,529 US7724211B2 (en) | 2006-03-29 | 2006-08-04 | System, method, and computer program product for controlling stereo glasses shutters |
| US11/462,535 | 2006-08-04 | ||
| PCT/US2007/007702 WO2007126904A2 (en) | 2006-03-29 | 2007-03-29 | System, method, and computer program product for controlling stereo glasses shutters |
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| CN1677166A (en) * | 2004-03-29 | 2005-10-05 | 宋柏君 | 3-D image displaying method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007126904A3 (en) | 2008-08-28 |
| TW200819788A (en) | 2008-05-01 |
| JP2009531979A (en) | 2009-09-03 |
| WO2007126904A2 (en) | 2007-11-08 |
| CN101982978A (en) | 2011-03-02 |
| EP1999740A4 (en) | 2009-11-11 |
| EP1999740A2 (en) | 2008-12-10 |
| TWI366679B (en) | 2012-06-21 |
| CN101371292A (en) | 2009-02-18 |
| TW201229565A (en) | 2012-07-16 |
| CN101982978B (en) | 2012-09-19 |
| JP4846020B2 (en) | 2011-12-28 |
| CA2646439A1 (en) | 2007-11-08 |
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