CN102759848B - Projected display system, projection device and projection display method - Google Patents
Projected display system, projection device and projection display method Download PDFInfo
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- CN102759848B CN102759848B CN201210190614.1A CN201210190614A CN102759848B CN 102759848 B CN102759848 B CN 102759848B CN 201210190614 A CN201210190614 A CN 201210190614A CN 102759848 B CN102759848 B CN 102759848B
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
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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
- H04N13/363—Image reproducers using image projection screens
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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]
- H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation 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
- H04N13/332—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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Abstract
The invention provides a projected display system, a projection device and a projection display method. The projected device is used for projecting an image on a display interface which comprises N projection areas, wherein the N is the integer equal or greater than two, the projection device comprises M image receiving devices and a projector group, wherein the M image receiving devices are used for receiving N three dimensional video sources; the projector group comprises M projectors, the M projectors are used for receiving N three dimensional video sources through M image receiving devices in a preset time period and projecting N group images from the N video sources to the N projection areas based on the corresponding relationship among the M projectors, the N three dimensional video sources and the N projection areas, wherein each group of images of the N groups of images comprises a left eye image and a right eye image, and the M is equal or less than N and is an integer equal or bigger than one.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of projection display system, projector equipment and method for displaying projection.
Background technology
Along with the development of display technique, more and more pursue the telepresenc of large picture, and 3D(Three Dimensions; Three-dimensional) display then can increase telepresenc.
In the prior art, the method realizing 3D display has a variety of, such as, utilize optical means by right and left eyes Computer image genration and project, be specially and utilize light source to produce light beam, with beam splitter, light beam is divided into right image beam and left image beam again, recycling imaging engine produces stereo-picture, finally projects on viewing face with projecting lens by left-eye image and eye image again; Such as can also utilize light gauge tap in addition by image projection on different far and near receiving plane, thus demonstrate 3D rendering.
But, the present inventor is realizing finding in process of the present invention, in the prior art, 3D Projection Display just on a visual angle by image projection different for right and left eyes out, then 3D glasses are utilized to make right and left eyes see different contents, synthetic stereo image in brain.Such as, but in application scenes, goods electronic sand map, need demonstration multi-angle various visual angles stereo-picture, and existing 3D projection display technique cannot realize multi-angle various visual angles stereo-picture.
Summary of the invention
The invention provides a kind of projection display system, projector equipment and method for displaying projection, the technical matters of the stereo-picture of multi-angle various visual angles can not be realized in order to solve the 3D method for displaying projection existed in prior art.
One aspect of the present invention provides a kind of projection display system, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, described projection display system comprises: projection unit, comprise M projector, a described M projector is used for based on a described M projector, corresponding relation between N number of 3D video source and described N number of view field, come from the N group image of described N number of video source to the projection of described N number of view field in a preset time period, wherein, often organize in described N group image and all comprise left-eye image and eye image, wherein, M be less than or equal to N and be more than or equal to 1 integer, first evaluation equipment, comprise left eyeglass lens and right eye eyeglass, when described first evaluation equipment is when the first view field of described N number of view field, described first evaluation equipment is for receiving the first synchronous control signal, and under the control of described first synchronous control signal, can make to correspond to described first evaluation equipment first user can the first projector in a described M projector project the first left-eye image from a 3D video source time, see described first left-eye image by described left eyeglass lens, and when the first eye image of the described 3D video source of described first projector's projection, make described first user see described first eye image by described right eye eyeglass, in described first view field, watch 3D rendering by described first evaluation equipment to make described first user, wherein, described first evaluation equipment is not when receiving described first synchronous control signal, described first evaluation equipment is in closed condition, does not watch the 3D rendering in described N number of view field except described first view field in other view fields to make described first user by described first evaluation equipment.
The present invention on the other hand also provides a kind of projector equipment, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, described projector equipment comprises: M image received device, for receiving N number of 3D video source; Projection unit, comprise M projector, a described M projector is used for based on a described M video camera, corresponding relation between described N number of 3D video source and described N number of view field, described N number of 3D video source is received by described M image received device in a preset time period, and the N group image of described N number of video source is come to the projection of described N number of view field, wherein, often organize image in described N group image and all comprise left-eye image and eye image, wherein, M be less than or equal to N and be more than or equal to 1 integer.
Further aspect of the present invention also provides a kind of projector, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, described projector comprises: image receiving unit, for receiving N number of video source; Image projection unit, for based on the corresponding relation between described N number of video source and described N number of view field, comes from the N group image of described N number of video source in a preset time period to the projection of described N number of view field.
The present invention also provides a kind of method for displaying projection on the other hand, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, described method comprises: based on the corresponding relation between N number of 3D video source and described N number of projection in zone, in a preset time period, come from the N group image of described N number of video source to the projection of described N number of view field, wherein, often organize in described N group image and all comprise left-eye image and eye image.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
One embodiment of the invention adopts at least Liang Ge view field, then according to certain sequential in turn to the projection of described at least Liang Ge view field to should the right and left eyes image in region, then in each view field, user can watch 3D rendering by evaluation equipment, certainly, need by synchronizing signal by projector and view field synchronously, namely time to some view field's projected images, just send synchronizing signal to the evaluation equipment in this region, user is in this region only had just to see by evaluation equipment the image projecting to this region, equally, when to other view field's projected images, the user being positioned at this region also cannot see the 3D rendering of other view fields by the evaluation equipment being positioned at this region, so projection display system in the present embodiment and method for displaying projection achieve the 3D rendering display of multi-angle various visual angles, user can see different stereo-pictures under each viewing angle, multiple user also can see different or identical stereo-picture simultaneously under a different angle.
Further, adopt direction sensor first to respond to evaluation equipment in one embodiment of the invention and be positioned at which view field, and then send the synchronizing signal in this region, do not having the view field of evaluation equipment just can send synchronizing signal, so can power and energy saving.
Further, also adjust each projector in one embodiment of the invention, the image that each projector is projected overlaps, thus, when user transfers to another view field from a view field, and the 3D rendering transition seen more level and smooth, better effects if.
Accompanying drawing explanation
Fig. 1 is the projection display system block diagram in one embodiment of the invention;
Fig. 2 is the projection display system vertical view in one embodiment of the invention;
Fig. 3 is the signal synchronous device scheme of installation in one embodiment of the invention;
Fig. 4 is the Control timing sequence figure of the projector in one embodiment of the invention;
Fig. 5 is the projection display system block diagram in another embodiment of the present invention;
Fig. 6 is the Control timing sequence figure of the projector in another embodiment of the present invention;
Fig. 7 is the projection display system block diagram in yet another embodiment of the invention;
Fig. 8 is the Control timing sequence figure of the projector in yet another embodiment of the invention.
Embodiment
The invention provides a kind of projection display system and method for displaying projection, the technical matters of the stereo-picture of multi-angle various visual angles can not be realized in order to solve the 3D method for displaying projection existed in prior art.
Technical scheme in the embodiment of the present invention is solve above-mentioned technical matters, and general thought is as follows:
At least Liang Ge view field is set, then according to certain sequential in turn to the projection of described at least Liang Ge view field to should the right and left eyes image in region, then in each view field, user can watch 3D rendering by evaluation equipment, certainly, need by synchronizing signal by projector and view field synchronously, namely time to some view field's projected images, just send synchronizing signal to the evaluation equipment in this region, user is in this region only had just to see by evaluation equipment the image projecting to this region, equally, when to other view field's projected images, the user being positioned at this region also cannot see the 3D rendering of other view fields by the evaluation equipment being positioned at this region, so projection display system in the present embodiment and method for displaying projection achieve the 3D rendering display of multi-angle various visual angles, user can see different stereo-pictures under each viewing angle, multiple user also can see different or identical stereo-picture simultaneously under a different angle.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
One embodiment of the invention provides a kind of projection display system, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, this projection display system comprises: projection unit, comprise M projector, M projector is used for based on M projector, corresponding relation between N number of 3D video source and N number of view field, come from the N group image of N number of video source to the projection of N number of view field in a preset time period, wherein, often organize in N group image and all comprise left-eye image and eye image, wherein, M be less than or equal to N and be more than or equal to 1 integer, first evaluation equipment, comprise left eyeglass lens and right eye eyeglass, when the first evaluation equipment is when the first view field of N number of view field, first evaluation equipment is for receiving the first synchronous control signal, under the control of the first synchronous control signal, can make to correspond to the first evaluation equipment first user can the first projector in M projector project the first left-eye image from a 3D projection source time, see the first left-eye image by left eyeglass lens, and when the first eye image of first projector's projection the one 3D projection source, make first user see the first eye image by right eye eyeglass, in the first view field, watch 3D rendering by the first evaluation equipment to make first user, wherein, first evaluation equipment is not when receiving the first synchronous control signal, first evaluation equipment is in closed condition, does not watch the 3D rendering in N number of view field except the first view field in other view fields to make first user by the first evaluation equipment.
Specifically, please also refer to Fig. 1 and Fig. 2, Fig. 1 is the projection display system block diagram in the present embodiment, and Fig. 2 is the vertical view of the projection display system in the present embodiment.
As depicted in figs. 1 and 2, display interface 10 is such as screen, can lie in a horizontal plane in desk, exhibition booth equipotential is set up, for showing projected image, in the present embodiment, display interface 10 comprises three view fields, and as the view field A in Fig. 2, view field B and view field C, and the angle of each view field is 120 degree, certainly, in other embodiments, view field can also be two, four, five or other quantity, and the angle of each view field also can be unequal.
Conventional common 3D Projection Display mode such as has polarization type, shutter.Polarization type mode is right and left eyes image corresponding two polarization directions respectively that projector projects out, and the eyeglass in 3D glasses only allows the light of corresponding polarization direction to pass through, thus makes right and left eyes see corresponding image respectively.Shutter mode is that projector's mode chronologically projects out right and left eyes image respectively, it is synchronous with 3D glasses that projector can send synchronizing signal, make the right and left eyes eyeglass switch respectively of 3D glasses, thus make right and left eyes see corresponding image respectively, in brain, synthesize 3D rendering.
The specific implementation process of the projection display system in the present embodiment will be introduced in detail below in shutter mode.
This projection display system comprises: projection unit 20, can lift and maybe be set high by projection unit 20 to ceiling, make its camera lens launch image downwards.Set of cameras 20 can comprise one or more projector, in the present embodiment, because view field only has three, so the minimum number of projector one, and maximum three.Projection unit 20 can receive the 3D video source consistent with view field quantity, such as, in the present embodiment, because view field has three, so need three 3D video source.Then based on M projector, corresponding relation between N number of 3D video source and N number of view field, in a preset time period, come from the N group image of N number of video source to the projection of N number of view field, wherein, in N group image, all comprise left-eye image and eye image.
Projection display system also comprises the first evaluation equipment 30, such as 3D glasses, and comprise left eyeglass lens and right eye eyeglass, first user 40 can be worn on eyes.
Different 3D renderings can be watched in different angles for making user, such as shown in Fig. 2, view field has three, be respectively view field A, view field B and view field C, the image that projection unit 20 projects out, each periodic packets is containing three groups of images, and often organize image in these three groups of images and correspond to 120 degree images in beholder's 360 degree of panoramic pictures, namely often group image correspond to view field A, view field B and view field C respectively.
First evaluation equipment 30 is positioned at view field B, projection unit 20 mode chronologically can be set and launch image in corresponding view field A, view field B and view field C respectively, so when unit 20 mode chronologically that projects is to view field's B projected image, first evaluation equipment 30 receives the first synchronous control signal, under the control of this first synchronizing signal, during first left-eye image that first user 40 can be made can to project from a 3D video source at the unit 20 that projects, see the first left-eye image by left eyeglass lens; And when the unit 20 that projects projects the first eye image of a 3D video source, make first user 40 see the first eye image by right eye eyeglass, in view field B, watch 3D rendering by the first evaluation equipment 30 to make first user 40.
First evaluation equipment 30 is not when receiving the first synchronous control signal, first evaluation equipment 30 is in closed condition, the view field A except view field B and the 3D rendering in view field C is not watched by the first evaluation equipment 30 to make first user 40, when first user 40 is wanted to watch the 3D rendering in view field A and view field C, will move in view field A and view field C with the first evaluation equipment 30.
Therefore, in the present embodiment, projection display system also comprises one or more direction sensor, if direction sensor can identify all first evaluation equipments 30 within the scope of 360 degree, and each view field belonging to the first evaluation equipment 30 can be judged, namely this direction sensor has the function of angle recognition, so just only can use a direction sensor, this direction sensor can be arranged on the below of some projectors in projection unit 20, then after sensing which view field each first evaluation equipment 30 is positioned at, just inform that synchronous signal device sends different synchronizing signals to the first evaluation equipment in different view field, the first user 40 being positioned at this view field is made to watch 3D rendering.Or the below of multiple directions sensor at projection unit 20 can be set, then the sensing work in a view field is responsible for by each direction sensor, when sensing that there is the first evaluation equipment 30 in the view field of oneself correspondence, synchronous control signal is sent to the evaluation equipment in corresponding view field with regard to alert signal synchronous device, when there is no evaluation equipment in corresponding region, just need not send synchronous control signal again, so can power and energy saving.In the present embodiment, each projector inside can an integrated signal synchronous device, and for sending synchronous control signal, certainly, direction sensor also can be integrated in signal synchronous device.
In another embodiment, direction sensor can not be used, but N number of signal synchronous device is directly set, namely identical with view field quantity signal synchronous device, be arranged on projection unit 20, each signal synchronous device is corresponding with each view field and do not interfere with each other, as shown in Figure 3, the corresponding view field C of signal synchronous device D, the corresponding view field B of signal synchronous device E, the corresponding view field A of signal synchronous device F, and signal synchronous device is arranged on three limits of a triangular body 50, the synchronous control signal that each signal synchronous device sends only has the evaluation equipment of corresponding region just can receive, because every two end points of triangular body 50 can shield the signal that signal synchronous device that limit between 2 is arranged sends.The rest may be inferred, if the quantity of signal synchronous device and view field is four, so body 50 can be just a square body with shielding action.
When carrying out signal above and being synchronous, the unlatching of 3D glasses, turn-off delay time also to be considered.
Concrete, when shutter projection pattern, watch 3D rendering for making user, when the unit 20 that projects launches the image of view field A, view field B and view field C, capital projects out left-eye image and eye image respectively, and when launching left-eye image, left eyeglass lens is opened, right eye eyeglass is closed, when launching eye image, right eye eyeglass is opened, and left eyeglass lens is closed, thus utilize right and left eyes to see different images, in user's brain, synthesize 3D rendering.Certainly, the first user 40 being positioned at view field B can only see the 3D rendering of view field B, and when the unit 20 that projects launches view field A and view field C, the eyeglass of the first evaluation equipment 30 is all in closed condition.
Further, it can be reach under the control of the second synchronous control signal that the eyeglass of the first evaluation equipment 30 is in closed condition, and the second synchronous control signal is sent by projector or signal synchronous device E at the end of view field B projects at projection unit 20.
Next please refer to Fig. 4, when Figure 4 shows that projector only has one, the Control timing sequence figure of this projector.And position figure is set can reference diagram 1 and Fig. 2.As shown in Figure 4, with time t for transverse axis, T is one-period, this projector projects according to the order of view field A, view field B and view field C, and in each view field, be all the projection one left-eye image part of inclined downward (in the Fig. 4 left) and an eye image (part tilted to the right in Fig. 4).
During due to general video playback, the refreshing frequency of requirement image is 60Hz, under this refreshing frequency, human eye viewing image can not feel flickering, in the scheme of a projector then, the refreshing frequency of every two field picture can reach 360Hz, like this, image is watched to produce flickering in each view field.
In another embodiment, the projector that three refreshing frequencys are 120Hz also can be utilized to realize panorama 3D rendering.Please refer to Fig. 5, fix three projectors, projector P1, projector P2 and projector P3 at ceiling or the place of setting high, adjust the image of three projector to display interface 10, three projector are overlapped completely to the image of display interface 10.So, when user can be made to transfer to another view field from a view field, the 3D rendering transition seen is more level and smooth, better effects if.
As shown in Figure 6, in a period of time T, projector P1, projector P2 and projector P3 project out the 3D rendering corresponding with Tu2Zhong view field A, view field B and view field C in chronological order respectively.When beholder is at view field A, its 3D glasses worn are synchronous with projector P1, and the eyeglass of 3D glasses is only opened when projector's P1 projects images, and right and left eyes eyeglass is opened respectively, synthesizes 3D rendering in the brain for two are arrived different images soon.When in a period of time T, when projector P2 and projector's P3 projected image, 3D glasses are all in closed condition, be used for masked images, when beholder moves to view field B, projector P2 can detect the 3D glasses that spectators wear, thus send synchronous control signal and make 3D glasses carry out synchronous with projector P2, then the eyeglass of 3D glasses only just can be opened when projector's P2 projected image, and be that right and left eyes eyeglass is opened respectively, see different images for two eyes and synthesize 3D rendering in the brain.The like, when beholder moves to view field C time, then can see the 3D rendering that projector P3 projects.
In another embodiment, the division of view field can divide according to actual needs, also two, four or five can be divided into, according to different Region dividing quantity, projector needs the view data showing varying number within a time cycle, if such as viewing areas is divided into four, then projector needs the image showing four different visual angles within a time cycle, the 3D glasses utilizing beholder to wear carry out synchronous with the image of different visual angles, thus make beholder watch different images in different visual angles.
In addition, the 3D display mode of above embodiment realizes with shutter sequential manner, also 3D rendering can be realized with polarization method, and the implementation method of multi-angle 3D rendering is same with the above-mentioned embodiment, below will briefly introduce polarization type mode and realize 3D rendering, wherein, view field is still for Fig. 2.
As shown in Figure 7, Liang Tai projector is installed above display interface 10, be respectively projector PL and projector PR, the polarization of light direction that Liang Ge projector launches is orthogonal, the projected image first projector PL and projector PR being projected to display interface 10 before system works is debugged to overlapping completely, stereoeffect can be watched after making to wear polarisation 3D glasses, display mode be projector PL project a polarization direction light for left eye viewing, projector PR project another polarization direction light for right eye viewing.Then control projector PL and projector PR to project out respectively view field A, view field B and the trizonal projected image of view field C according to the sequential shown in Fig. 8, the 3D glasses that beholder wears a then synchronizing signal corresponding with view field A, view field B and view field C carry out synchronously, thus watch the image at this visual angle, the light that the left and right eyeglass of 3D glasses allows projector PL and PR projector of projector to project respectively passes through, thus makes beholder watch 3D rendering.
In the above-described embodiments, although the implementation of polarization type realizes with Liang Tai projector, in other embodiments, the 3D of polarization method also can be realized with a projector, its realize the principle of polarisation 3D and Liang Tai projector similar, so do not repeat them here.
In above each embodiment, N number of 3D video source can be the image of the not coplanar for same object, also can be the image of different objects, if the image of the not coplanar for same object, so user just can go to observe same object by multiple angle, thus realizes panorama 3D(and be such as applied on goods electronic sand map); If for the image of different objects, so can realize multiple user can almost simultaneously (because interval time be very short, people's naked eyes cannot perception out, so be sensuously simultaneously user) 3D rendering of viewing different objects, so such as projection display system can meet the demand of two different meetings simultaneously.
Each embodiment can be combined with each other use above, and those skilled in the art can select the combination between embodiment according to actual needs.
Another embodiment of the present invention also provides a kind of projector equipment, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, projector equipment comprises: M image received device, for receiving N number of 3D video source; Projection unit, comprise M projector, M projector is used for based on M video camera, corresponding relation between N number of 3D video source and N number of view field, N number of 3D video source is received by M image received device in a preset time period, and the N group image of N number of video source is come to the projection of N number of view field, wherein, often organize image in N group image and all comprise left-eye image and eye image, wherein, M be less than or equal to N and be more than or equal to 1 integer.
Further, in M projector, each projector comprises a signal synchronous device, a direction sensor respond to the first evaluation equipment be positioned at the first view field of N number of view field time, the first projector in M the projector corresponding with the first evaluation equipment sends one first synchronous control signal by signal synchronous device, wherein, first evaluation equipment comprises left eyeglass lens and right eye eyeglass, under the control of the first synchronous control signal, can make to correspond to the first evaluation equipment first user can the first projector in M projector project the first left-eye image from a 3D video source time, the first left-eye image is seen by left eyeglass lens, and when the first eye image of first projector's projection the one 3D video source, make first user see the first eye image by right eye eyeglass, in the first view field, watch 3D rendering by the first evaluation equipment to make first user.
In another embodiment, when the unit that projects is specially the polarization type projection unit adopting polarization method to realize, polarization type projection unit comprises left projector and right projector, the projected image that left projector and right projector project to display interface overlaps completely, the polarization of light direction that left projector launches and the polarization of light direction that right projector launches orthogonal.
In the above-described embodiments, although the implementation of polarization type realizes with Liang Tai projector, in other embodiments, the 3D of polarization method also can be realized with a projector, its realize the principle of polarisation 3D and Liang Tai projector similar, so do not repeat them here.
In specific implementation process, when the quantity of the projector in the unit that projects is greater than 1, adjust these projectors, the projected image making each projector project to display interface overlaps completely.
The embodiment of the projection display system in the embodiment of the projector equipment in the present embodiment and previous embodiment is similar, equally also can reach the 3D display effect of multi-angle various visual angles, so by the aforementioned detailed description to projection display system, those skilled in the art clearly can understand the projector equipment how implemented in the present embodiment, succinct in order to instructions, does not repeat them here.
Additionally provide a kind of projector in the embodiment of the present invention, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, this projector comprises: image receiving unit, for receiving N number of video source; Image projection unit, for based on the corresponding relation between N number of video source and N number of view field, comes from the N group image of N number of video source in a preset time period to the projection of N number of view field.So, a projector can be utilized just to multiple field of view projected image, can be user-friendly to.
Wherein, N number of video source can be 3D video source, also can be 2D video source, if 3D video source, often organizes and all comprise left-eye image and eye image in N group image.
When to throw in be 2D image time because do not need corresponding receiving equipment, so directly throw in turn according to sequential.
Further, be 3D rendering when what will throw in, this video camera also comprises: sensing unit, is arranged in which view field of N number of view field for responding to an evaluation equipment, and wherein, evaluation equipment comprises left eyeglass lens and right eye eyeglass; Signal synchronization unit, sensing units sense go out evaluation equipment be positioned at which view field time, send synchronous control signal to evaluation equipment, and under the control of the first synchronous control signal, can make to correspond to the first evaluation equipment first user can the first projector in M projector project the first left-eye image from a 3D video source time, see the first left-eye image by left eyeglass lens; And when the first eye image of first projector's projection the one 3D video source, make first user see the first eye image by right eye eyeglass, in the first view field, watch 3D rendering by the first evaluation equipment to make first user.The specific implementation process of this projector, when being one with projector in previous embodiment, implementation process is similar, so please refer to previous embodiment, does not repeat them here.
Another embodiment of the present invention also provides a kind of method for displaying projection, be applied in projection display system as the aforementioned, projector equipment and projector, the method comprises: based on the corresponding relation of N number of 3D video source and N number of view field, come from the N group image of N number of video source to the projection of N number of view field in a preset time period, wherein, often organize in N group image and all comprise left-eye image and eye image.
The method further comprises: based on the corresponding relation of N group image and N number of view field, when projecting to the first view field in N number of view field, the first synchronous control signal is sent to the first evaluation equipment being arranged in the first view field, wherein, evaluation equipment comprises left eyeglass lens and right eye eyeglass, and under the control of the first synchronous control signal, the first user corresponding to the first evaluation equipment can be made when projecting the first left-eye image from a 3D video source, the first left-eye image can be seen by left eyeglass lens; And when the first eye image of projection the one 3D video source, make first user see the first eye image by right eye eyeglass, in the first view field, watch 3D rendering by the first evaluation equipment to make first user.
In another embodiment, the method also comprises: before evaluation equipment first synchronous control signal being arranged in the first view field, respond to the first evaluation equipment and whether be arranged in the first view field.
In another embodiment, after terminating to the projection of the first view field, send the second synchronous control signal to the first evaluation equipment, first evaluation equipment is closed under the control of the second synchronous control signal, makes first evaluation equipment of the first user of corresponding first evaluation equipment not by being arranged in the first view field watch N number of view field except the 3D rendering in other regions of the first view field.
In foregoing embodiments, projection display system, projector equipment and projector are described in detail, and method for displaying projection in the present embodiment realizes based on the projection display system of previous embodiment, projector equipment and projector, so by the aforementioned detailed description to projection display system, projector equipment and projector, those skilled in the art clearly can understand the method for displaying projection how implemented in the present embodiment, succinct in order to instructions, does not repeat them here.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
One embodiment of the invention adopts at least Liang Ge view field, then according to certain sequential in turn to the projection of described at least Liang Ge view field to should the right and left eyes image in region, then in each view field, user can watch 3D rendering by evaluation equipment, certainly, need by synchronizing signal by projector and view field synchronously, namely time to some view field's projected images, just send synchronizing signal to the evaluation equipment in this region, user is in this region only had just to see by evaluation equipment the image projecting to this region, equally, when to other view field's projected images, the user being positioned at this region also cannot see the 3D rendering of other view fields by the evaluation equipment being positioned at this region, so projection display system in the present embodiment and method for displaying projection achieve the 3D rendering display of multi-angle various visual angles, user can see different stereo-pictures under each viewing angle, multiple user also can see different or identical stereo-picture simultaneously under a different angle.
Further, adopt direction sensor first to respond to evaluation equipment in one embodiment of the invention and be positioned at which view field, and then send the synchronizing signal in this region, do not having the view field of evaluation equipment just can send synchronizing signal, so can power and energy saving.
Further, also adjust each projector in one embodiment of the invention, the image that each projector is projected overlaps, thus, when user transfers to another view field from a view field, and the 3D rendering transition seen more level and smooth, better effects if.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (16)
1. a projection display system, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, it is characterized in that, described projection display system comprises:
Projection unit, comprise M projector, a described M projector is used for based on a described M projector, corresponding relation between N number of 3D video source and described N number of view field, come from the N group image of described N number of video source to the projection of described N number of view field in a preset time period, wherein, often organize in described N group image and all comprise left-eye image and eye image, wherein, M be less than or equal to N and be more than or equal to 1 integer;
First evaluation equipment, comprise left eyeglass lens and right eye eyeglass, when described first evaluation equipment is when the first view field of described N number of view field, described first evaluation equipment is for receiving the first synchronous control signal, and under the control of described first synchronous control signal, can make to correspond to described first evaluation equipment first user can the first projector in a described M projector project the first left-eye image from a 3D video source time, see described first left-eye image by described left eyeglass lens; And when the first eye image of the described 3D video source of described first projector's projection, make described first user see described first eye image by described right eye eyeglass, in described first view field, watch 3D rendering by described first evaluation equipment to make described first user;
Wherein, described first evaluation equipment is not when receiving described first synchronous control signal, described first evaluation equipment is in closed condition, does not watch the 3D rendering in described N number of view field except described first view field in other view fields to make described first user by described first evaluation equipment.
2. the system as claimed in claim 1, is characterized in that, described projection display system also comprises:
Direction sensor, be arranged on described projection unit, can determine whether described first evaluation equipment is positioned at described first view field by described direction sensor, when described first evaluation equipment of described direction sensor induction is positioned at described first view field, the first projector in described M the projector corresponding with described first evaluation equipment sends described first synchronous control signal.
3. the system as claimed in claim 1, is characterized in that, described projection display system also comprises:
N number of signal synchronous device, be positioned on described projection unit, described N number of signal synchronous device is corresponding with described N number of view field and do not interfere with each other, when described first projector is to described first view field's projected image, the first signal synchronous device corresponding with described first view field in described N number of signal synchronous device sends described first synchronous control signal to described first evaluation equipment in described first view field.
4. system as claimed in claim 1 or 2, it is characterized in that, when described projection unit is specially the polarization type projection unit adopting polarization method to realize, described polarization type projection unit comprises left projector and right projector, the projected image that described left projector and described right projector project to described display interface overlaps completely, the polarization of light direction that described left projector launches and the polarization of light direction that described right projector launches orthogonal.
5. the system as claimed in claim 1, is characterized in that, when M is greater than 1, the projected image that in a described M projector, each projector projects to described display interface overlaps completely.
6. a projector equipment, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, it is characterized in that, described projector equipment comprises:
M image received device, for receiving N number of 3D video source;
Projection unit, comprise M projector, a described M projector is used for based on a described M video camera, corresponding relation between described N number of 3D video source and described N number of view field, described N number of 3D video source is received by described M image received device in a preset time period, and the N group image of described N number of video source is come to the projection of described N number of view field, wherein, often organize image in described N group image and all comprise left-eye image and eye image, wherein, M be less than or equal to N and be more than or equal to 1 integer.
7. projector equipment as claimed in claim 6, it is characterized in that, in a described M projector, each projector comprises a signal synchronous device, a direction sensor respond to the first evaluation equipment be positioned at the first view field of described N number of view field time, the first projector in described M the projector corresponding with described first evaluation equipment sends one first synchronous control signal by described signal synchronous device, wherein, described first evaluation equipment comprises left eyeglass lens and right eye eyeglass, under the control of described first synchronous control signal, can make to correspond to described first evaluation equipment first user can the first projector in a described M projector project the first left-eye image from a 3D video source time, described first left-eye image is seen by described left eyeglass lens, and when the first eye image of the described 3D video source of described first projector's projection, make described first user see described first eye image by described right eye eyeglass, in described first view field, watch 3D rendering by described first evaluation equipment to make described first user.
8. projector equipment as claimed in claim 6, it is characterized in that, when described projection unit is specially the polarization type projection unit adopting polarization method to realize, described polarization type projection unit comprises left projector and right projector, the projected image that described left projector and described right projector project to described display interface overlaps completely, the polarization of light direction that described left projector launches and the polarization of light direction that described right projector launches orthogonal.
9. projector equipment as claimed in claim 7, is characterized in that, when M is greater than 1, the projected image that in a described M projector, each projector projects to described display interface overlaps completely.
10. a projector, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, it is characterized in that, described projector comprises:
Image receiving unit, for receiving N number of video source;
Image projection unit, for based on the corresponding relation between described N number of video source and described N number of view field, comes from the N group image of described N number of video source in a preset time period to the projection of described N number of view field.
11. projectors as claimed in claim 10, is characterized in that, described N number of video source is N number of 3D video source, often organize and all comprise left-eye image and eye image in described N group image.
12. projectors as claimed in claim 11, it is characterized in that, described projector also comprises:
Sensing unit, is arranged in which view field of described N number of view field for responding to an evaluation equipment, wherein, described evaluation equipment comprises left eyeglass lens and right eye eyeglass;
Signal synchronization unit, described sensing units sense go out described evaluation equipment be positioned at which view field time, send synchronous control signal to described evaluation equipment, and under the control of the first synchronous control signal, can make to correspond to the first evaluation equipment first user can the first projector in M projector project the first left-eye image from a 3D video source time, see described first left-eye image by described left eyeglass lens; And when the first eye image of the described 3D video source of described first projector's projection, make described first user see described first eye image by described right eye eyeglass, in described first view field, watch 3D rendering by described first evaluation equipment to make described first user.
13. 1 kinds of method for displaying projection, for image projection to be comprised the display interface of N number of view field one, wherein, N be more than or equal to 2 integer, it is characterized in that, described method comprises:
Based on the corresponding relation between N number of 3D video source and described N number of projection in zone, come from the N group image of described N number of video source to the projection of described N number of view field in a preset time period, wherein, often organize in described N group image and all comprise left-eye image and eye image.
14. methods as claimed in claim 13, it is characterized in that, described method also comprises:
Based on the corresponding relation of described N group image and described N number of view field, when projecting to the first view field in described N number of view field, the first synchronous control signal is sent to the first evaluation equipment being arranged in described first view field, wherein, described evaluation equipment comprises left eyeglass lens and right eye eyeglass, and under the control of described first synchronous control signal, the first user corresponding to described first evaluation equipment can be made when projecting the first left-eye image from a 3D video source, described first left-eye image can be seen by described left eyeglass lens; And when projecting the first eye image of a described 3D video source, make described first user see described first eye image by described right eye eyeglass, in described first view field, watch 3D rendering by described first evaluation equipment to make described first user.
15. methods as claimed in claim 14, is characterized in that, before sending the first synchronous control signal to the first evaluation equipment being arranged in described first view field, described method also comprises:
Respond to described first evaluation equipment and whether be arranged in described first view field.
16. methods as claimed in claim 14, it is characterized in that, described method also comprises: after terminating to the projection of described first view field, send the second synchronous control signal to described first evaluation equipment, described first evaluation equipment is closed under the control of described second synchronous control signal, makes described first evaluation equipment of first user not by being arranged in described first projection in zone of corresponding described first evaluation equipment watch described N number of view field except the 3D rendering in other regions of described first projection in zone.
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| CN201210190614.1A CN102759848B (en) | 2012-06-11 | 2012-06-11 | Projected display system, projection device and projection display method |
| PCT/CN2012/084046 WO2013185429A1 (en) | 2012-06-11 | 2012-11-05 | Projection display system, projection device, and projection display method |
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| CN102759848B (en) * | 2012-06-11 | 2015-02-04 | 海信集团有限公司 | Projected display system, projection device and projection display method |
| CN102970574A (en) * | 2012-11-21 | 2013-03-13 | 深圳市酷开网络科技有限公司 | Eyeglass-based 3D (3-Dimensional) intelligent terminal and system |
| CN103281506A (en) * | 2013-05-03 | 2013-09-04 | 上海闻泰电子科技有限公司 | System, device and method for holographic image communication |
| CN103676172B (en) * | 2013-12-23 | 2017-04-19 | Tcl集团股份有限公司 | 3D (three-dimensional) electronic sand table display device and method |
| CN107333122B (en) * | 2017-06-27 | 2019-07-05 | 山东大学 | A kind of projection draws stereoscopic display play system and method more |
| CN108307188B (en) * | 2017-08-07 | 2020-05-22 | 山东大学 | Shutter type liquid crystal glasses for multi-picture stereoscopic projection playing system and control method |
| CN109946918B (en) * | 2019-04-26 | 2021-04-20 | 四川省派瑞克斯光电科技有限公司 | 3D projection angle control method, device and system |
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| JP2013509804A (en) * | 2009-10-30 | 2013-03-14 | ヒューレット−パッカード デベロップメント カンパニー エル．ピー． | 3D display system |
| CN102759848B (en) * | 2012-06-11 | 2015-02-04 | 海信集团有限公司 | Projected display system, projection device and projection display method |
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