CN103402106A - Method and device for displaying three-dimensional image - Google Patents

Method and device for displaying three-dimensional image Download PDF

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CN103402106A
CN103402106A CN2013103174636A CN201310317463A CN103402106A CN 103402106 A CN103402106 A CN 103402106A CN 2013103174636 A CN2013103174636 A CN 2013103174636A CN 201310317463 A CN201310317463 A CN 201310317463A CN 103402106 A CN103402106 A CN 103402106A
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video camera
virtual video
user
movable information
described virtual
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CN103402106B (en
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路玉太
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Hisense Visual Technology Co Ltd
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Qingdao Hisense Electronics Co Ltd
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Abstract

The embodiment of the invention discloses a method and a device for displaying a three-dimensional image, and belongs to the field of display. The method for displaying the three-dimensional image comprises the following steps: controlling a virtual camera on a three-dimensional scene to work so as to generate and display a current three-dimensional image; when motion of a user observation point is detected, obtaining motion information of the user observation point, and obtaining current motion information of the virtual camera, and generating new motion information of the virtual camera according to the current motion information of the virtual camera and the obtained motion information of the user observation point; controlling the virtual camera to work according to the new motion information of the virtual camera so as to generate and display a new three-dimensional image. According to the method and the device for displaying the three-dimensional image, the three-dimensional image dynamically adaptive to user motion is generated in a human-computer interaction manner, so that the motion of the virtual camera on the three-dimensional scene along with the motion of the user can be automatically realized in the displaying process of the three-dimensional image, and the three-dimensional image more similar to the real world is realized.

Description

Three-dimensional image display method and device
Technical field
The present invention relates to the Display Technique field, particularly a kind of three-dimensional image display method and device.
Background technology
At present, three-dimensional (Three Dimensions, 3D) film, three-dimensional television are following development trends in interior dimension display technologies of new generation, in daily family life and commercial field, extremely important researching value and huge market prospect are arranged.Three-dimensional display is the effect that people utilize eyes observation of nature circle to produce, there is horizontal range poor (become for each person approximately 6.5 centimetres) due to two, while observing same object, two can obtain two discrepant images, are called aberration, and then brain obtains third dimension by analyzing aberration.Popular 3-D view procedure for displaying has all utilized this principle at present.
Three-dimensional image display method mainly can be divided into two kinds: first method is show to adopt the stereoscopic picture plane of multi-angled shooting, the TV play of playing as solid, picture etc.; Second method is that two virtual video cameras are set in virtual three-dimensional scene, and operation is installed on the three-dimensional program on display unit, three-dimensional program is calculated and is produced three-dimensional picture in real time according to the running of virtual video camera, then is presented on screen after corresponding processing, as playing etc.Along with the development of intelligent display device, the further raising of computing capability, adopt second method to produce 3-D view and will occupy larger ratio.But, existing above-mentioned three-dimensional image display method, when the user watched, in the situation that user's point of observation or visual angle skew, 3-D view kept original state, lacks the sense of reality, watches for a long time the sensation that just can lose true stereo.Illustrate, in existing 3-D view shows, if place a cup in three-dimensional scenic, what the user saw is the front of cup, when the user moved visual angle to the side of cup, it is static that picture keeps, namely behind user's conversion visual angle, still original image (front of cup) of observing, rather than the side of cup.Therefore, existing three-dimensional image display method does not support user's observation visual angle to change, interactive narrow range.And how to realize real three-dimensional display, and make beholder's perfect visual experience of real acquisition and experience, be the problem that vast Display Technique researcher very is concerned about.
Summary of the invention
The invention provides a kind of three-dimensional image display method and device, do not support user's observation visual angle to change to solve existing three-dimensional image display method, the problems such as interactive narrow range.
Particularly, the embodiment of the present invention provides a kind of three-dimensional image display method, and described three-dimensional image display method comprises: the virtual video camera of controlling in three-dimensional scenic turns round, and to generate and to show, works as forward three-dimensional viewing; When user's point of observation being detected and move, obtain user's point of observation movable information, and obtain the current movable information of virtual video camera; According to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera; Control virtual video camera according to the new movable information of virtual video camera and turn round, to generate and to show new 3-D view.
In addition, the embodiment of the present invention provides a kind of 3-D image display device, described 3-D image display device comprises: the first control module, acquisition of information module and the second control module, the first control module, the virtual video camera that is used for the control three-dimensional scenic turns round, and to generate and to show, works as forward three-dimensional viewing; The acquisition of information module, be used for obtaining user's point of observation movable information, and obtaining the current movable information of virtual video camera when user's point of observation being detected and move; Determination module, be used for according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera; The second control module, be used for controlling virtual video camera according to the new movable information of virtual video camera and turn round, to generate and to show new 3-D view.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By when user's point of observation being detected and move, obtain user's point of observation movable information, and obtain the current movable information of virtual video camera, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera.having solved existing three-dimensional image display method does not support user's observation visual angle to change, the problems such as interactive narrow range, adopt man-machine interaction mode to produce the 3-D view of dynamic adaptation user movement, thereby make in the 3-D view procedure for displaying, can realize automatically that user's motion drives the motion of the virtual video camera in three-dimensional scenic, realize the 3-D view in the reality world more, make the user observe three-dimensional scenic as observing real world, be applicable to the development of following dimension display technologies, for example make three-dimensional display apparatus to three-dimensional display, the development of three-dimensional simulation field, be used for more real shopping at network, 3-D ads, 3d gaming, three-dimensional range, the aspects such as outdoor scene simulation.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the method flow diagram of the three-dimensional image display method that provides of one embodiment of the invention;
Fig. 2 A is the method flow diagram of the three-dimensional image display method that provides of another embodiment of the present invention;
Fig. 2 B is the schematic diagram of the virtual video camera in three-dimensional scenic;
Fig. 2 C is the schematic diagram after in three-dimensional scenic, two virtual video cameras are played up object;
Fig. 2 D is the schematic diagram of the two width images seen after move at eyes visual angle of user;
Fig. 2 E be the user to an object around the schematic diagram of observing;
Fig. 2 F is the user to an object when observing, the schematic diagram of the Computing Principle of new object space;
Fig. 2 G is the schematic diagram of the running orbit that generates under the control of three-dimensional program of virtual video camera;
Fig. 2 H adjusts virtual video camera to turn back to gradually complete schematic diagram by three-dimensional program control state automatically;
Fig. 3 is the main block architecture diagram of the 3-D image display device that provides of one embodiment of the invention;
Fig. 4 is the main block architecture diagram of the 3-D image display device that provides of another embodiment of the present invention.
Embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, the three-dimensional image display method that foundation the present invention is proposed and install its embodiment, structure, feature and effect, be described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic, can clearly present in following the cooperation in describing in detail with reference to graphic preferred embodiment.By the explanation of embodiment, when can be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic only being to provide with reference to the use with explanation not be used for the present invention is limited.
The first embodiment
Please refer to Fig. 1, it shows the method flow diagram of the three-dimensional image display method that one embodiment of the invention provides.The method can be by the performed 3-D view procedure for displaying of 3-D image display device; 3-D image display device can be television set, apparatus such as computer, and described three-dimensional image display method can comprise the following steps 101-107:
Step 101, the virtual video camera of controlling in three-dimensional scenic turns round, and to generate and to show, works as forward three-dimensional viewing.
The three-dimensional program on three-dimensional display apparatus of being arranged at can be controlled the three-dimensional video camera and turn round in the original image scene, then, by various processing,, such as playing up etc., can generate and show and work as forward three-dimensional viewing.The source of original image can be the image that calculated in real time by three-dimensional program (as 3d gaming etc.).
Step 103, when user's point of observation being detected and move, obtain user's point of observation movable information, and obtain the current movable information of virtual video camera.
The point of observation movable information can comprise state information in speed, acceleration and the point of observation motion process of motion etc.State information in the point of observation motion process can comprise six-freedom degree value in the point of observation motion process, highly, angle etc., the six-freedom degree value is respectively point of observation at the X-direction movement value of rectangular coordinate system in space, Y direction movement value, Z-direction movement value and in the rotation value on X-direction, the rotation value on Y direction, the rotation value on Z-direction.The rotation value can be anglec of rotation etc.
Step 105, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera.
The movable information of the new movable information of the virtual video camera that generates and user's point of observation of collection is complementary.For example, when user's translation sight line, the virtual video camera in three-dimensional scenic is being followed translation too; When the user came back slightly, the virtual video camera in three-dimensional scenic was also adjusted angle thereupon; After virtual video camera translation-angle in three-dimensional scenic, will render the picture of the object under this state.
The current movable information of virtual video camera and new movable information all can comprise the state information in speed, acceleration and the virtual video camera motion process of virtual video camera, state information in the virtual video camera motion process can comprise six-freedom degree value in the virtual video camera motion process, highly, angle etc., the six-freedom degree value is respectively virtual video camera at the X-direction movement value of rectangular coordinate system in space, Y direction movement value, Z-direction movement value and in the rotation value on X-direction, the rotation value on Y direction, the rotation value on Z-direction.The rotation value can be anglec of rotation etc.
Step 107, control virtual video camera according to the new movable information of virtual video camera and turn round, to generate and to show new 3-D view.
It is that virtual video camera turns round to new state under the control of new movable information that 3-D image display device controls according to the new movable information of virtual video camera that virtual video camera turns round.
In sum, the three-dimensional image display method that the present embodiment provides, by when user's point of observation being detected and move, obtain user's point of observation movable information, and obtain the current movable information of virtual video camera, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera.having solved existing three-dimensional image display method does not support user's observation visual angle to change, the problems such as interactive narrow range, adopt man-machine interaction mode to produce the 3-D view of dynamic adaptation user movement, thereby make in the 3-D view procedure for displaying, can realize automatically that user's motion drives the motion of the virtual video camera in three-dimensional scenic, realize the 3-D view in the reality world more, make the user observe three-dimensional scenic as observing real world, be applicable to the development of following dimension display technologies, for example make three-dimensional display apparatus to three-dimensional display, the development of three-dimensional simulation field, be used for more real shopping at network, 3-D ads, 3d gaming, three-dimensional range, the aspects such as outdoor scene simulation.
The second embodiment
Please refer to Fig. 2 A, it shows the method flow diagram of the three-dimensional image display method that another embodiment of the present invention provides.The method can be by the performed 3-D view procedure for displaying of 3-D image display device; 3-D image display device can be television set, apparatus such as computer, and Fig. 2 A improves on the basis of Fig. 1.Described three-dimensional image display method can comprise the following steps 201-211:
Step 201, adjust distance between virtual video camera according to user's interocular distance, and virtual video camera generates respectively and shows the image that respective user left eye, right eye are observed.
Virtual video camera can be arranged in three-dimensional scenic, three-dimensional scenic is the scene in virtual three dimensional space, it is the virtual world of setting up in display unit, model and scene according to shape, size, the outward appearance of expressive object are set up, can comprise audio system, illumination system, material system, virtual video camera etc.Virtual video camera in three-dimensional scenic can be the virtual video camera in three-dimensional program, similar actual camera, and its cross section is isosceles triangle as shown in Fig. 2 B, virtual video camera changes to the distance of the imaging plane difference with the focal length of virtual video camera.The imaging picture is formed on imaging plane.The imaging picture is the picture that finally is shown on display screen.
In order to obtain stereo-picture, the every frame of three-dimensional picture needs two width images, be respectively the image that left eye and right eye are observed, accordingly, two virtual video cameras that equal human eye user interocular distance are set in three-dimensional scenic simultaneously, and the distance between the adjustment virtual video camera is user's interocular distance, and two virtual video cameras are taken respectively the image that left eye and right eye are observed, and similar human eye obtains picture in three-dimensional scenic.After three-dimensional scenic generates, by this three-dimensional video camera conduct " eyes ", three-dimensional scenic is played up and processed and by existing 3D technology (as red indigo plant solid, polarisation 3D, shutter 3D, bore hole 3D), the three-dimensional picture that finally can obtain to present on display screen, make the user observe stereoscopic picture plane.Play up and refer to ready-made object, role, image etc. in the electronic equipments such as computer are played up by renderer, reach the user and want the effect of seeing.More famous renderer has MR, VR, RM, Anrold etc. at present.
because the virtual video camera in three-dimensional scenic and human eye focal length may be inconsistent, follow user's point of observation while rotating in order to make virtual video camera, its rotation amplitude meets the scope of accepting of human eye, thus, need the resize ratio coefficient during virtual video camera initialization in three-dimensional scenic, at first can set user's human eye focal length value during the resize ratio coefficient, calculate a new value according to user's human eye focal length value of setting and the focal length value of the virtual video camera in three-dimensional scenic, this value is as a proportionality coefficient p, for example, proportionality coefficient can equal the ratio between the focal length value of human eye focal length value and virtual video camera, when user's point of observation (eyes for example, while head etc.) moving, cause the virtual video camera generation corresponding sports in three-dimensional scenic, proportionality coefficient p is relevant therewith for the amplitude size of motion.If human eye approximately is equivalent to the virtual video camera of 50 millimeters focal lengths, when user's point of observation moves, in three-dimensional scenic the motion amplitude of virtual video camera by the motion amplitude of user's point of observation therewith proportionality coefficient calculate gained, for example computational methods are the motion amplitude function that is directly proportional to proportionality coefficient p, the result of calculation of calculating acquisition according to the direct ratio function is: focal length diminishes greater than the motion amplitude of the burnt virtual video camera of length of 50 millimeters, and focal length is large less than the motion amplitude change of the wide-angle virtual video camera of 50 millimeters.Like this, can make the rotation amplitude of virtual video camera meet the scope of accepting of human eye, and can be because the motion of three-dimensional scenic virtual video camera is too fast or cross slow the inadaptable of human eye of causing.
Step 203, the virtual video camera of controlling in three-dimensional scenic turns round, and to generate and to show, works as forward three-dimensional viewing.
The three-dimensional program on three-dimensional display apparatus of being arranged at can be controlled the three-dimensional video camera and turn round in the original image scene, then, by various processing,, such as playing up etc., can generate and show and work as forward three-dimensional viewing.The source of original image can be to be calculated in real time the image (as 3d gaming etc.) of gained by three-dimensional program.
Step 205, when user's point of observation being detected and move, obtain user's point of observation movable information, and obtain the current movable information of virtual video camera.
Whether can detect user's point of observation by the track and localization device moves, and when user's point of observation being detected and move, gather user's point of observation movable information, user's point of observation movable information that can also will gather by the communication module that is arranged on the 3D glasses sends to 3-D image display device.When being sent to 3-D image display device, can adopt user's point of observation movable information bluetooth, the wireless communication mode such as infrared to send.
The track and localization device can be arranged on the 3D glasses that the user wears, it is three dimensions track and localization device, point of observation movable information while for the collection user, watching display unit, wherein, the point of observation movable information can comprise state information in speed, acceleration and the point of observation motion process of motion etc.State information in the point of observation motion process can comprise six-freedom degree value in the point of observation motion process, highly, angle etc., the six-freedom degree value is respectively point of observation at the X-direction movement value of rectangular coordinate system in space, Y direction movement value, Z-direction movement value and in the rotation value on X-direction, the rotation value on Y direction, the rotation value on Z-direction.The rotation value can be anglec of rotation etc.Certainly, in embodiments of the present invention, also can detect user's point of observation by miscellaneous equipment and whether move, as it is first-class to make a video recording.
The time interval of the equipment such as track and localization device collection user point of observation movable information can dynamically be set, the time interval that the information that gathers is sent to 3-D image display device also can be according to actual needs and corresponding the setting, with the efficiency of raising system operation.For example can set according to the frame speed of the 3 D video of playing on current three-dimensional display apparatus, if the frame speed of current 3 D video was 60 frame/seconds, the time interval can be set as the 1000/60=16.6 millisecond.
Preferably, in step 205, also can comprise:
Obtain user's action, gesture data, the information such as environmental data (such as sound, light intensity, color) at user place.
Still can adopt the equipment collection users' such as track and localization device action, gesture data, the information such as environmental data (such as sound, light intensity, color) at user place, and the information that will gather sends to 3-D image display device.
Step 207, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera.
The current movable information of virtual video camera and new movable information all can comprise the state information in speed, acceleration and the virtual video camera motion process of virtual video camera etc., state information in the virtual video camera motion process can comprise six-freedom degree value in the virtual video camera motion process, highly, angle etc., the six-freedom degree value is respectively virtual video camera at the X-direction movement value of rectangular coordinate system in space, Y direction movement value, Z-direction movement value and in the rotation value on X-direction, the rotation value on Y direction, the rotation value on Z-direction.The rotation value can be anglec of rotation etc.
Preferably, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera comprises:
The current movable information of virtual video camera and the user's point of observation movable information that obtains are synthesized calculating, the new movable information of generating virtual video camera, wherein, synthetic being calculated as synthesized the vector of the parameter in the current movable information of virtual video camera and the user's point of observation movable information that obtains.
If the current movable information of virtual video camera comprises state information in speed, acceleration and the virtual video camera motion process of virtual video camera etc., state information in the virtual video camera motion process comprise six-freedom degree value in the virtual video camera motion process, highly, angle etc., the parameter in the current movable information of virtual video camera be in the speed, acceleration, motion process of virtual video camera the six-freedom degree value, highly, the parameter such as angle.If user's point of observation movable information comprises state information in speed, acceleration and user's point of observation motion process of user's point of observation etc., state information in user's point of observation motion process comprise six-freedom degree value in user's point of observation motion process, highly, angle etc., the parameter in user's point of observation movable information comprise six-freedom degree value in the speed, acceleration, motion process of user's point of observation, highly, the parameter such as angle.
Synthesize after calculating the new movable information that generates two virtual video cameras, and then two new pictures of virtual video camera output, the image that user's left eye, right eye are observed also changes.
After above-mentioned synthetic calculating, the movable information of the new movable information of the virtual video camera of generation and user's point of observation of collection is complementary.Namely work as user's point of observation and be kept in motion, the new movable information of virtual video camera is adjusted to user's point of observation movable information and is complementary.For example, when user's translation sight line, the virtual video camera in three-dimensional scenic is being followed translation too; When the user came back slightly, the virtual video camera angle in three-dimensional scenic was also adjusted thereupon; After virtual video camera state in three-dimensional scenic changes, will render the picture of the object under this state.
Preferably,, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, during the new movable information of generating virtual video camera, also can comprise:
When the user movement information that gathers is slightly rocked for user's head, while for example rocking angle less than preset value, set filter value, filter out the angle that user's point of observation rocks, the new movable information of generating virtual video camera is not subjected to the impact of user's point of observation movable information,, to reduce operand, improve running efficiency of system.In such cases, the movable information of virtual video camera is still by the three-dimensional program control on three-dimensional display apparatus.
Preferably,, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, during the new movable information of generating virtual video camera, also can comprise:
When the user's head movement information that gathers is a bit observed object for user's point of observation focuses on, user's head rotation, and in the motionless situation in user's body position, viewed object is basic identical, filter out user's head rotation angle information, and only according to the angle value between user's point of observation (corresponding glasses position) and three-dimensional display apparatus, the new movable information of generating virtual video camera.
Step 209, control virtual video camera according to the new movable information of virtual video camera and turn round, to generate and to show new 3-D view.
It is that virtual video camera turns round to new state under the control of new movable information that 3-D image display device controls according to the new movable information of virtual video camera that virtual video camera turns round.
Preferably, in step 209, also can comprise:
, according to information such as user action, gestures, calculate the movable information of the object in three-dimensional scenic in conjunction with existing three dimensional physical engine method; According to the light in the information such as user environment light, color, light intensity calculating three-dimensional scenic, material, pinup picture etc.; According to the audio in user environment acoustic information calculating three-dimensional scenic, the generating three-dimensional image, then play up and process the new 3-D view of generation 3-D view.
Audio pattern in three-dimensional scenic can comprise classical music pattern, pop music pattern, rock music pattern etc.
, by above man-machine interaction principle, can generate more lively, dynamic 3-D view.When user's translation sight line, the virtual video camera in three-dimensional scenic is being followed translation too; When the user came back slightly, the virtual video camera in three-dimensional scenic was also adjusted angle thereupon; After virtual video camera translation-angle in three-dimensional scenic, will render the picture of the object under this state.User's point of observation Height Adjustment and point of observation front and back are adjusted also same as described above, repeat no more herein.
In addition, because space, user place is shone upon mutually with virtual three dimensional space, gesture, action recognition technology by present development, can also the user is corresponding with reality or The Invisible's phase in scene, reach the purpose that the user manipulates object in three-dimensional picture directly, such as capturing object, mobile object etc.Illustrate, as shown in Figure 2 C, in Fig. 2 C, first half figure is that two virtual video camera L, R that represent respectively right and left eyes in three-dimensional scenic play up three-dimensional scenic, after object is played up, generates respectively Pr, two points of Pl on imaging plane.
In Fig. 2 C, Lower Half figure is the situation of user while by display unit, observing object, wherein, El, Er represent user's right and left eyes, the ElEr line segment length equals the LR line segment length, because user's viewing angle is different, object space in the dummy object that the user sees (being presented at the object on screen) position and three-dimensional scenic there are differences, and namely the user observes object from diverse location, angle, and the dummy object of seeing (being presented at the object on screen) position, angle also are not quite similar.As shown in Fig. 2 D, be the two width example images of seeing after move at eyes visual angle of user in Fig. 2 D, non-right and left eyes.
Below lift again a routine method that calculates object space new in 3-D view that illustrates: the user has been shown in Fig. 2 E by display unit, has observed a stationary object, centered by object, while around it, observing, object keeps its image space motionless, in similar real life the user to an object around observing.
Wherein real point a, real point b represent respectively user's object display position on the three-dimensional display apparatus screen when first point of observation; Corresponding two solid lines 231 and 233 expression user sight lines; Circle represents the position of user's left eye, right eye when first point of observation; Therefore the position that the user observes object is sighting intersect, i.e. middle real point c.
In order to reach at human eye around the 237(of circular arc shown in figure take object as the center of circle, human eye is radius to the distance between object) the observation object, and make object keep motionless effect, as the human eye movement during to the reposition e1 shown in figure and e2, connect the straight line of human eye reposition and object space and extend to screen, the imaginary point a1 on screen and b1 are the new object space that shows on screen.
The Computing Principle of new object space as shown in Figure 2 F.Take right eye as example, at new object space, the viewed image of user is real point A, i.e. imaginary point a1 position in Fig. 2 E, and owing to can obtaining the x value, i.e. the coordinate figure of imaging point X-axis on screen; Because the user is moving in a circle around object, the article size of observing is constant again, and namely the length of the line segment d between virtual camera position O point and real point c is constant.Object space in three-dimensional scenic is constant.The virtual video camera focal length value is known, therefore the isosceles triangle shape is fixed.Take object as axle center, take d as radius, the rotation virtual video camera; The isosceles triangle of virtual video camera can also be rotated as summit take virtual video camera, to reach virtual video camera, object, real point A point-blank, at this moment, the position of virtual video camera, angle are the new degree of freedom value (virtual video camera reaches in the rotation value on X-direction, the rotation value on Y direction, the rotation value on Z-direction at X-direction movement value, Y direction movement value, the Z-direction movement value of rectangular coordinate system in space) of virtual video camera in three-dimensional scenic.
Step 211, when the stop motion of user's point of observation being detected,, adopt backoff algorithm that the motion state of virtual video camera is turned back to by three-dimensional display apparatus and independently carry out state of a control after stop motion a period of time at user's point of observation.
Can be by the whether stop motion of the equipment Inspection user point of observation such as track and localization device, and by communication module, the information of stop motion is sent to three-dimensional display apparatus.
For example, after user's point of observation (corresponding glasses position) translation, after being head translation certain displacement, arrive reposition and static when point of observation being detected, after static a period of time of point of observation (head), can compensate gradually, in the situation that the user discovers the less three-dimensional programme controlled pace value that turns back to by three-dimensional display apparatus that virtual video camera is compensated.
In three-dimensional program operation process on three-dimensional display apparatus, under the actionless situation of user's point of observation (corresponding glasses position), movable information according to virtual video camera, information such as position, angle, focal length variations, virtual video camera moves under the control of three-dimensional program, namely generate the running orbit of oneself, and namely running orbit is not subjected to customer impact, by three-dimensional program operation independent, generated fully, as shown in Figure 2 G.
as shown in Fig. 2 H, if user's point of observation moves in B point position, can cause B point position virtual video camera movable information to change, arrow 239 expression virtual video cameras original rotation direction under the control of three-dimensional program, arrow 238 expression is changed by user perspective to affect and the rotation direction of virtual video camera after adjusting, if in the situation that collect the user in B point position after a period of time point of observation remain static, can automatically adjust virtual video camera and turn back to gradually the system state of a control, namely progressively adjusting virtual video camera is back to fully by three-dimensional program control state.Virtual video camera has compensated some the rotation direction of C point position (under namely a little close to the controls of virtual video camera in three-dimensional program) a little in C point position angle, rotation direction when arrow 243 represents virtual video cameras fully by three-dimensional program control, the rotation direction of arrow 241 expression virtual video cameras is by the rotation direction after compensating,, through compensation gradually, in D point position, turn back to three-dimensional program control state fully.Wherein, offset angle can be set according to actual needs.
Can sum up thus and adopt backoff algorithm that the motion state of virtual video camera is turned back to by three-dimensional display apparatus independently to carry out can comprising in state of a control:
Obtain current angle and the displacement that needs compensation in backoff algorithm, current running angle and displacement poor while needing the angle of compensation and current running angle that displacement equals virtual video camera and displacement and virtual video camera by three-dimensional display apparatus, independently to be controlled fully, current angle and the displacement that needs to compensate progressively reduced, until the current angle that need compensate and displacement are less than a preset value.Finally, virtual video camera reaches the state of independently being controlled by display unit substantially, needs the angle of compensation and displacement to approach zero.Still as an example of Fig. 2 H example, describe, suppose that the angle that in B point position, need compensate is B1, can need angle and the displacement of compensation progressively to reduce (angle that reduces is less than angle B 1) with current at set intervals,, until the angle that in D point position, need compensate and displacement approach zero, namely at D point position virtual video camera, turn back to the three-dimensional program control state of display unit fully.
In sum, the three-dimensional image display method that the present embodiment provides, also by when the stop motion of user's point of observation being detected, at user's point of observation after stop motion a period of time, adopt backoff algorithm that the motion state of virtual video camera is turned back to by three-dimensional display apparatus and independently carry out state of a control, thereby turning back to by three-dimensional display apparatus, the motion state that can realize can automatically realizing virtual video camera after user's stop motion a period of time controls, and then can present the 3-D view that is fit to user's current location, visual angle, facilitate the user to watch.
Be below device embodiment of the present invention, the details of detailed description not in device embodiment, can be with reference to the embodiment of the method for above-mentioned correspondence.
The 3rd embodiment
Please refer to Fig. 3, it shows the main block architecture diagram of the 3-D image display device that one embodiment of the invention provides.Described 3-D image display device comprises: the first control module 301, acquisition of information module 303, determination module 305 and the second control module 307.
Particularly, the first control module 301, the virtual video camera that is used for the control three-dimensional scenic turns round, and to generate and to show, works as forward three-dimensional viewing;
Acquisition of information module 303, be used for obtaining user's point of observation movable information, and obtaining the current movable information of virtual video camera when user's point of observation being detected and move.
Determination module 305, be used for according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera.
User's point of observation movable information can gather by track and localization device or the first-class equipment of making a video recording.The current movable information of virtual video camera and new movable information all can comprise the state information in speed, acceleration and the virtual video camera motion process of virtual video camera etc., state information in the virtual video camera motion process can comprise six-freedom degree value in the virtual video camera motion process, highly, angle etc., the six-freedom degree value is respectively virtual video camera at the X-direction movement value of rectangular coordinate system in space, Y direction movement value, Z-direction movement value and in the rotation value on X-direction, the rotation value on Y direction, the rotation value on Z-direction.The new movable information of the virtual video camera that generates is complementary with the user's point of observation movable information that obtains.
Preferably, acquisition of information module 303, also be used for the current movable information of virtual video camera and the user's point of observation movable information that obtains are synthesized calculating, the new movable information of generating virtual video camera, wherein, synthetic being calculated as synthesized the vector of the parameter in the current movable information of virtual video camera and the user's point of observation movable information that obtains.
The second control module 307, be used for controlling virtual video camera according to the new movable information of virtual video camera and turn round, to generate and to show new 3-D view.
In sum, the 3-D image display device that the present embodiment provides, by when user's point of observation being detected and move, obtain user's point of observation movable information, and obtain the current movable information of virtual video camera, according to the current movable information of virtual video camera and the user's point of observation movable information that obtains, the new movable information of generating virtual video camera.having solved existing three-dimensional image display method does not support user's observation visual angle to change, the problems such as interactive narrow range, adopt man-machine interaction mode to produce the 3-D view of dynamic adaptation user movement, thereby make in the 3-D view procedure for displaying, can realize automatically that user's motion drives the motion of the virtual video camera in three-dimensional scenic, realize the 3-D view in the reality world more, make the user observe three-dimensional scenic as observing real world, be applicable to the development of following dimension display technologies, for example make three-dimensional display apparatus to three-dimensional display, the development of three-dimensional simulation field, be used for more real shopping at network, 3-D ads, 3d gaming, three-dimensional range, the aspects such as outdoor scene simulation.
The 4th embodiment
Please refer to Fig. 4, it shows the main block architecture diagram of the 3-D image display device that another embodiment of the present invention provides.It is similar to 3-D image display device shown in Figure 3, and its difference is, 3-D image display device can also comprise: adjusting module 401 and/or the 3rd control module 403.
Adjusting module 401, be used for adjusting distance between virtual video camera according to user's interocular distance, and wherein, the quantity of virtual video camera is two, generates respectively and show the image that respective user left eye, right eye are observed.
The 3rd control module 403, be used for when the stop motion of user's point of observation being detected, at user's point of observation, after stop motion a period of time, adopts backoff algorithm that the motion state of virtual video camera is turned back to by three-dimensional display apparatus and independently carry out state of a control.
Preferably, described the 3rd control module 403, comprising: compensating module 405.
Compensating module 405, be used for obtaining current angle and the displacement that needs compensation of backoff algorithm, current running angle and displacement poor while needing the angle of compensation and current running angle that displacement equals virtual video camera and displacement and virtual video camera by three-dimensional display apparatus, independently to be controlled fully, current angle and the displacement that needs to compensate progressively reduced, until the current angle that need compensate and displacement are less than a preset value.
In sum, the 3-D image display device that the present embodiment provides, also by when the stop motion of user's point of observation being detected, at user's point of observation after stop motion a period of time, adopt backoff algorithm that the motion state of virtual video camera is turned back to by three-dimensional display apparatus and independently carry out state of a control, thereby turning back to by three-dimensional display apparatus, the motion state that can realize can automatically realizing virtual video camera after user's stop motion a period of time controls, and then can present the 3-D view that is fit to user's current location, visual angle, facilitate the user to watch.
The 5th embodiment
The present invention also provides a kind of 3D glasses, and described 3D glasses comprise: acquisition module and communication module.
Acquisition module, can be track and localization device, the first-class equipment of making a video recording, for detection of and gather user's point of observation movable information, and user's point of observation movable information is sent to communication module.
Communication module, be used for user's point of observation movable information is sent to 3-D image display device.
In sum, the 3D glasses that the present embodiment provides, by detecting and gather user's point of observation movable information, and send to communication module with user's point of observation movable information, and user's point of observation movable information that communication module will gather sends to 3-D image display device.Thereby realized that the virtual video camera in the three-dimensional scenic carries out related and binding with user's point of observation (for example eye position); Realize that finally user's athletic meeting drives the motion of virtual video camera in three-dimensional scenic, produces the stereoscopic picture plane of human-computer interaction.
the above, it is only preferred embodiment of the present invention, not the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (16)

1. a three-dimensional image display method, is characterized in that, described three-dimensional image display method comprises:
The virtual video camera of controlling in three-dimensional scenic turns round, and to generate and to show, works as forward three-dimensional viewing;
When user's point of observation being detected and move, obtain user's point of observation movable information, and obtain the current movable information of described virtual video camera;
, according to the current movable information of described virtual video camera and the user's point of observation movable information that obtains, generate the new movable information of described virtual video camera;
Control described virtual video camera according to the new movable information of described virtual video camera and turn round, to generate and to show new 3-D view.
2. three-dimensional image display method as claimed in claim 1, is characterized in that, the virtual video camera of controlling in three-dimensional scenic turns round, and, to generate and to show before forward three-dimensional viewing, also comprises:
Adjust distance between described virtual video camera according to user's interocular distance, wherein, the quantity of described virtual video camera is two, generates respectively and shows the image that respective user left eye, right eye are observed.
3. three-dimensional image display method as claimed in claim 1, is characterized in that, described user's point of observation movable information is to gather by track and localization device or camera.
4. three-dimensional image display method as claimed in claim 1, it is characterized in that, the current movable information of described virtual video camera and new movable information include the speed of described virtual video camera, state information in acceleration and described virtual video camera motion process, state information in described virtual video camera motion process comprises the six-freedom degree value in described virtual video camera motion process, highly, angle, described six-freedom degree value is respectively the X-direction movement value of described virtual video camera at rectangular coordinate system in space, the Y direction movement value, Z-direction movement value and the rotation value on X-direction, rotation value on Y direction, rotation value on Z-direction.
5. three-dimensional image display method as claimed in claim 1, is characterized in that,, according to the current movable information of described virtual video camera and the user's point of observation movable information that obtains, generates the new movable information of described virtual video camera, comprising:
The current movable information of described virtual video camera and the user's point of observation movable information that obtains are synthesized calculating, generate the new movable information of described virtual video camera, wherein, synthetic being calculated as synthesized the vector of the parameter in the current movable information of described virtual video camera and the user's point of observation movable information that obtains.
6. three-dimensional image display method as claimed in claim 1, is characterized in that, the new movable information of described virtual video camera is complementary with the user's point of observation movable information that obtains.
7. three-dimensional image display method as claimed in claim 1, is characterized in that, controls described virtual video camera according to the new movable information of described virtual video camera and turn round, and, with after generating and showing new 3-D view, also comprises:
When the stop motion of user's point of observation being detected, at user's point of observation, after stop motion a period of time, adopt backoff algorithm that the motion state of described virtual video camera is turned back to by described three-dimensional display apparatus and independently carry out state of a control.
8. three-dimensional image display method as claimed in claim 7, is characterized in that, adopts backoff algorithm that the motion state of described virtual video camera is turned back to by described three-dimensional display apparatus and independently carry out state of a control, comprising:
Obtain current angle and the displacement that needs compensation in backoff algorithm, described current running angle and displacement poor while needing the angle of compensation and current running angle that displacement equals described virtual video camera and displacement and described virtual video camera by three-dimensional display apparatus, independently to be controlled fully, current angle and the displacement that needs to compensate progressively reduced, until the current angle that need compensate and displacement are less than a preset value.
9. a 3-D image display device, is characterized in that, described 3-D image display device comprises:
The first control module, the virtual video camera that is used for the control three-dimensional scenic turns round, and to generate and to show, works as forward three-dimensional viewing;
The acquisition of information module, be used for obtaining user's point of observation movable information, and obtaining the current movable information of described virtual video camera when user's point of observation being detected and move;
Determination module, be used for generating the new movable information of described virtual video camera according to the current movable information of described virtual video camera and the user's point of observation movable information that obtains;
The second control module, be used for controlling described virtual video camera according to the new movable information of described virtual video camera and turn round, to generate and to show new 3-D view.
10. 3-D image display device as claimed in claim 9, is characterized in that, described display unit also comprises:
Adjusting module, be used for adjusting distance between described virtual video camera according to user's interocular distance, and wherein, the quantity of described virtual video camera is two, generates respectively and show the image that respective user left eye, right eye are observed.
11. 3-D image display device as claimed in claim 9, is characterized in that, described user's point of observation movable information is to gather by track and localization device or camera.
12. 3-D image display device as claimed in claim 9, it is characterized in that, the current movable information of described virtual video camera and new movable information include the speed of described virtual video camera, state information in acceleration and described virtual video camera motion process, state information in described virtual video camera motion process comprises the six-freedom degree value in described virtual video camera motion process, highly, angle, described six-freedom degree value is respectively the X-direction movement value of described virtual video camera at rectangular coordinate system in space, the Y direction movement value, Z-direction movement value and the rotation value on X-direction, rotation value on Y direction, rotation value on Z-direction.
13. 3-D image display device as claimed in claim 9, it is characterized in that, described acquisition of information module, also be used for the current movable information of described virtual video camera and the user's point of observation movable information that obtains are synthesized calculating, generate the new movable information of described virtual video camera, wherein, synthetic being calculated as synthesized the vector of the parameter in the current movable information of described virtual video camera and the user's point of observation movable information that obtains.
14. 3-D image display device as claimed in claim 9, is characterized in that, the new movable information of described virtual video camera is complementary with the user's point of observation movable information that obtains.
15. 3-D image display device as claimed in claim 9, is characterized in that, described 3-D image display device also comprises:
The 3rd control module, be used for when the stop motion of user's point of observation being detected, at user's point of observation, after stop motion a period of time, adopts backoff algorithm that the motion state of described virtual video camera is turned back to by described three-dimensional display apparatus and independently carry out state of a control.
16. 3-D image display device as claimed in claim 15, is characterized in that, described the 3rd control module comprises:
Compensating module, be used for obtaining current angle and the displacement that needs compensation of backoff algorithm, described current running angle and displacement poor while needing the angle of compensation and current running angle that displacement equals described virtual video camera and displacement and described virtual video camera by three-dimensional display apparatus, independently to be controlled fully, current angle and the displacement that needs to compensate progressively reduced, until the current angle that need compensate and displacement are less than a preset value.
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