CN103108126B - A kind of video interactive system, method, interaction glasses and terminal - Google Patents
A kind of video interactive system, method, interaction glasses and terminal Download PDFInfo
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- CN103108126B CN103108126B CN201310022617.9A CN201310022617A CN103108126B CN 103108126 B CN103108126 B CN 103108126B CN 201310022617 A CN201310022617 A CN 201310022617A CN 103108126 B CN103108126 B CN 103108126B
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Abstract
The invention provides a kind of video interactive method and system, glasses and terminal.A kind of interactive system, including the first terminal connected by internet video and second terminal, there are the first terminal one or more to be used to obtaining the controlled device that first terminal camera described in the camera and remote control of first terminal scene image is rotated, the second terminal provided with the display device for showing the scene image and being controlled by the controlled device with the first terminal interact so that remote control described in the rotation of first terminal camera control device.The present invention is reached according to user in the purpose of the acquisition first terminal image of the control operation multi-angle of second terminal, reaches the level of intelligentized control method, considerably improves the video interactive experience of user.
Description
Technical field
The invention belongs to video interactive technical field, more particularly to video interactive system, method, interaction glasses and terminal.
Background technology
In daily habits and customs, TV is generally disposed in parlor.Chatted relative to general computer video, visitor
The spatial dimension in the Room is more open, and privacy of user protection demand is lower, and parlor Scene is relatively more, and the personage of participation also may be used
Can be more, it is higher to the viewing area requirement of video.
TV is different from individual PC, and intelligent television is typically heavier, or carry is on the wall, is arranged on intelligent television
Fixing camera because intelligent television can not be moved and then can only keep single stiff shooting angle, cause user video to hand over
Mutually in-convenience in use, the video tastes of user are not high.
On the other hand because current 3D TVs focus on the broadcasting of 3D videos, user takes 3D glasses, you can to watch
The 3D images such as 3D films or program.Many 3D TVs are both provided with camera now, and existing intelligent television is by related software
Application program, can carry out Video chat, but without perfect 3D video interactive systems, but user in-convenience in use, experience is not
It is high.
The content of the invention
Idea of the invention is that bigger range of video can be obtained between providing two users end for carrying out video interactive
Video interactive system, while also providing a video interactive method, correspondingly provides a kind of video interactive glasses and terminal, to user
More real video interactive experience.
What a kind of video interactive system that the present invention is provided was realized in：A kind of video interactive system, including by mutual
Networked video connection first terminal and second terminal, the first terminal be provided with one or more be used for obtain first
The controlled device that first terminal camera described in the camera and remote control of terminal scene image is rotated, the second terminal is set
There is the display device for showing the scene image and interacted and then remotely controlled by the controlled device with the first terminal
Make the control device that the first terminal camera is rotated.
Specifically, the control device of the second terminal includes a remote command processing module, the remote command processing
The control instruction that module is sent according to user by remote control, will be transferred to first terminal after described control instruction encapsulation
Controlled device, the controlled device controls the rotation of the first terminal camera.
Specifically, the remote control of the second terminal includes：Interaction glasses, described interaction glasses are provided with infrared hair
Injection device, for launching infrared signal by particular transmission frequency.
The control device of the second terminal includes：
User's viewpoint acquisition module, for according to the view information for obtaining second terminal user；Remote command processing module,
For described view information being encapsulated as controlling the control instruction of first terminal camera, and send the control instruction.Institute
The controlled device of first terminal is transferred to after the control instruction stated is encapsulated, the controlled device controls the first terminal shooting
The rotation of head.
Compared to prior art, a kind of video interactive system that the present invention is provided passes through the camera from the first terminal
The scene image on first terminal periphery is obtained, second terminal is conveyed to by way of internet is transmitted, it is aobvious through second terminal
Show that terminal shows above-mentioned scene image.To enable second terminal to change the acquisition of multi-angle according to user's facial action
The scene image on first terminal periphery, the controlled dress that a controllable first terminal camera is rotated is set in first terminal
Put, user's viewpoint acquisition device and control device are set in second terminal, obtaining user by user's viewpoint acquisition device regards
Point information, and by controlled device of the control device user's viewpoint rotational orientation information transmission to the first terminal, pass through
Described controlled device controls the rotation of first terminal camera, to realize the long-range adjustment of scene image.Further reach root
Change the scene image on the acquisition first terminal periphery of automatic multi-angle in the viewpoint of second terminal according to user, and be transferred to second
The purpose of terminal plays.
A kind of video interactive method that the present invention is provided is achieved in that it includes：
First terminal is set up video by internet with second terminal and is connected；
The interactive controlling that second terminal obtains user by control device is instructed, and the control instruction is encapsulated, and is passed
It is defeated by first terminal；
First terminal receives described control instruction, and controls first terminal camera to rotate according to the control instruction.
Specifically, second terminal user launches the remote signal that remote control camera is rotated, second by remote control
Terminal receives described remote signal, and the instruction that described remote signal is encapsulated as controlling first terminal camera to rotate
Bag.
Specifically, second terminal user wears in video interactive glasses, described video interactive glasses and is built-in with gyroscope,
The viewpoint position information of user is obtained by gyroscope, and described viewpoint position information is converted to remote control camera and is turned
Dynamic control instruction.
Specifically, second terminal user's head wears the video interactive glasses for being built-in with infrared launcher, and institute
State video interactive glasses and infrared signal is launched to the display screen by certain frequency by the infrared launcher；Second eventually
At least three infrared remote receivers not on the same line is provided with end, each infrared remote receiver receives described infrared letter
Number, and according to the viewpoint position information of the strong and weak information of the infrared signal received calculating active user；According to viewpoint position
The control instruction of confidence breath generation control first terminal camera deflection.
Correspondingly, the present invention also provides a kind of video interactive glasses, and described interaction glasses are provided with infrared launcher, institute
Infrared dispensing device is stated by particular transmission frequency to terminal transmission infrared signal, user is calculated in terminal display screen for terminal
The infrared launcher of viewpoint.Further, the video interactive glasses are additionally provided with earphone-microphone.
Correspondingly, the present invention also provides a kind of video interactive first terminal, and described terminal is provided with for obtaining scene
The camera and controlled device of image, the terminal receive second terminal control instruction by the controlled device, and according to institute
Stating control instruction controls the camera to rotate, so that adjusting it shoots orientation.
Correspondingly, a kind of video interactive second terminal, described terminal is provided with the controlled device progress with first terminal
Control interaction and then the control device for controlling the camera of the first terminal to rotate.
Compared to prior art, the video interactive system that the video interactive method that the present invention is provided is provided by the present invention is entered
Enter remote dummy scene, the viewpoint position information or video focus information of active user are obtained using the inventive method, is entered
And the purpose of the first terminal camera adjustment shooting angle consistent with the viewpoint position or video focus is controlled, so that
The requirement of freer, higher viewing scope is controlled when meeting user video interaction.
Simultaneously because the video interactive method and video interactive glasses of the present invention, video interactive first terminal, second are eventually
End, it can make first terminal camera shooting orientation remotely controlled, or become with the change of user's viewpoint position information
Change, its change that can be deflected in real time according to the head visual angle of user obtains the image in remote scene correspondence deflection angle direction
Content, reaches the level of intelligentized control method, considerably improves the video interactive experience of user.
Brief description of the drawings
Fig. 1 is the structural representation for the video interactive system that the embodiment of the present invention one is provided；
Fig. 2 is the structural representation for the video interactive system that the embodiment of the present invention two is provided；
Fig. 3 is the structural representation for the video interactive system that the embodiment of the present invention three is provided；
Fig. 4 is the refinement structural representation of control device in Fig. 3；
Fig. 5 is the implementation process figure for the video interactive method that the embodiment of the present invention four is provided；
Fig. 6 is the implementation process figure for the video interactive method that the embodiment of the present invention five is provided；
Fig. 7 is the implementation process figure for the video interactive method that the embodiment of the present invention six is provided；
Fig. 8 be the embodiment of the present invention seven provide video interactive method infrared remote receiver received signal amplitude size with
Signal receives radius relationship illustraton of model；
Fig. 9 is that the viewpoint that the embodiment of the present invention seven is provided calculates schematic diagram；
Figure 10 is the structural representation for the video interactive glasses that the embodiment of the present invention eight is provided.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one
The present embodiment is a preferred embodiment of the structural representation of the video interactive system provided on the present invention.
Fig. 1 is refer to, Fig. 1 is the structural representation for the video interactive system that first embodiment of the invention is provided.
In figure, first terminal 102 is connected with second terminal 105 by internet video, and video connection here refers to net
The network connection of network Video chat.There are the first terminal 102 one or more to be used to obtain first terminal scene shadow
The camera 101 of picture, the controlled deflectable shooting orientation of camera 101, and the camera of first terminal 102 described in remote control
101 controlled devices rotated, for receiving teleinstruction and then controlling camera 101 to rotate according to the teleinstruction.
The second terminal 105 is provided with the display device for showing the scene image, for playing long-distance video scene shadow
Picture；Be additionally provided be controlled by the controlled device with the first terminal 102 interact so that remote control described in first eventually
The control device for holding 102 cameras 101 to rotate.The control device is used to receive user's control instruction, and instruction is sealed
Dress, the controlled device of first terminal 102 is sent to by the network transmission protocol, and then pass through the controlled of the first terminal 102
The camera 101 of device control first terminal 102 is rotated.Control interaction described here refers to the first terminal 102
Controlled device and the control device of second terminal 105, which carry out mutually control, to be coordinated.
In the present invention, the first terminal 102 can set up unidirectional video with second terminal 105 and be connected, i.e., and second
Terminal 105 can only control the rotation of the camera 101 of first terminal 102.Because not each terminal is both provided with the present invention
It is required that it is rotatable so as to adjust the camera that its shoots orientation, unidirectional video connection has preferably compatibility.Even if the
Two terminals 105 without the camera that describes of the present invention, as long as set in the equipment of second terminal 105 corresponding control device or
Person installs that corresponding control software can striding equipment be cross-platform sets up video with the terminal 102 of the invention described and be connected, remotely controls
The rotation of the camera 101 of first terminal 102 processed is shot.
In the case where equipment is complete, i.e., first terminal 102 is provided with the camera 101 of application claims, second terminal
105 are also equipped with the camera 104 for biasing shooting of application claims, and the first terminal 102 also may be used with second terminal 105
Connect to set up two-way video and carry out two-way video interactive (the mutually rotation of control camera each other).Second terminal
105 can control the rotation of the camera 101 of first terminal 102, and first terminal 102 can also control second terminal 105 simultaneously
Camera 104 rotation.
In Fig. 1,106 be remote control, and the user of second terminal 105 sends instruction control first by the remote control 106
The rotation of the camera 101 of terminal 102 is shot, and then obtains the moving image of multi-angled shooting in the scene of first terminal 102.Double
To video interactive in the state of, the user of first terminal 102 can also pass through remote control 103 send instruction control second terminal
The rotation of 105 cameras 104 is shot.
In view of the convenience of description, the present invention only by taking unidirectional connection as an example, describes specific embodiments of the present invention,
Under the unidirectional connection mode, the user of second terminal 105 sends instructions to second terminal 105 by the remote control 106, and leads to
The rotation for crossing the control camera 101 of first terminal 102 of second terminal 105 is shot.
By taking the embodiment that one-way video is connected as an example, in order to strengthen video acquisition effect, it can be set in first terminal 102
The control model that a variety of cameras rotate shooting automatically is put, described control model is one group of automatic rotary motion trace of camera of correspondence
Control formula, and control formula algorithm to be controlled camera by the automatic rotary motion trace of corresponding camera to make it by predetermined
The rotary motion trace of justice, which is rotated, to be shot.The user of second terminal 105 or the user of local first terminal 102 shoot mould by switching
Formula, the camera 101 that can automatically control first terminal 102 rotates shooting by particular track.For example, by certain slewing rate, it is left
Right moving sweep is shot；Scanning shoot is at the uniform velocity rotated by 360 °, that is, controls the circular scanning under certain angle of camera 101 to shoot；
Locking follows mobile target (such as user) shooting.
Locking described here follows mobile target (such as user) shooting to be, according to scene image, to calculate by image procossing
Method, it is automatic to catch mobile target, and according to the movement of target, the rotation that follows of camera is controlled, and then locking follows motion mesh
Mark (such as user) and obtain scene motion image.
What deserves to be explained is, the rotary parts of camera can use the rotary parts of prior art, for example with motor
Drive gear, and then drive the modes such as camera rotation.A kind of other applicant preferably shooting disclosed in another application
Head rotates control parts.Static shooting can also be carried out using one or more camera of wide viewing angle in addition, and using figure
As the method for processing, the rotation in the virtual image visual field.
Described remote control 106 can be general remote control or intelligent terminal, or interaction glasses.
The video interactive system of the present embodiment, is in the video interactive of user to obtain remote image there is provided user
Control ability so that in video interactive, video reception user can be watched oneself like long-range removable by the wish of oneself
Dynamic image, and multiple screening-modes are provided a user, substantially increase the interest and convenience of user mutual.
Embodiment two
The present embodiment is a preferred embodiment of the video interactive system provided on the present invention, and with one-way video
It is described exemplified by the embodiment of connection.
It refer to accompanying drawing 2, a kind of video interactive system, including the first terminal 10 and second being connected with each other by internet
There is terminal 20, the first terminal 10 at least one can obtain the camera 12 of first terminal scene image and can remotely control
The controlled device 11 that the camera 12 is rotated is made, the second terminal 20 includes passing through the controlled dress with the first terminal 10
Put 11 and be controlled the control device 23 that first terminal camera 12 described in interaction and then remote control is rotated, the control device
23 include a remote command processing module 24, in addition, the video interactive system also includes remote control 21, the remote control
21 are provided with gyroscope 22, and the remote control 21 and second terminal 20 are set up such as bluetooth, infrared, WIIF wirelessly connected
Connect, the user of second terminal 20 is controlled with second terminal 20 by the remote control 21 and interacted.
The video that the remote command processing module 24 obtains the user of second terminal 20 by above-mentioned remote control 21 is closed
Note point control information, and the camera 12 that described video focus control information switchs to remote control first terminal 10 is rotated
Control instruction, the control instruction is encapsulated and is transferred to the controlled device 11 of first terminal, and then described in remote control
The rotation of the camera 12 of one terminal 10.Video focus described here refers to that in video interactive it is long-range that user pays close attention to
Scene focus.
Remote control described here can be remote control, intelligent terminal, interaction glasses etc., in described remote control
The gyroscope of acquisition device positional information is built-in with, the motion deflection information for obtaining remote control by gyroscope controls long-range whole
Hold the rotation biasing of camera.Certainly gyroscope here also includes the motion positions devices such as some speed, acceleration transducer.
In the state of normal use, remote control 21 obtains the deflection ginseng of the gyroscope 22 of the remote control 21 in real time
Number, and described deflection parameter transmission is sent to second terminal 20.20 remote command processing module of second terminal 24 is described
Deflection parameter be encapsulated as the director data bag for controlling the camera 12 of first terminal 10 to rotate biasing, and described packet
Send to first terminal 10, the deflection of the camera 12 of first terminal 10 is controlled with this, realizes that user passes through described remote control
21 control second terminals 20, and control the camera of first terminal to press the concern wish of the user of second terminal 20 by second terminal
Enter horizontal deflection.First terminal 10 can be carried out XML communication with second terminal 20 by http protocol and transmit the instruction bag.
Further, in the present embodiment, according to actual use needs, the Motions of Gyroscope sensing function can be set
Shielding.As described in as user using the direction key control of remote control 21 during camera rotational angle, then make the user
Remote control 21 in gyroscope 22 be in masked state, under the masked state, the gyroscope 22 does not work, and only
The rotation of first terminal camera is controlled by the control button of remote control 21.Certainly, for the distant of not built-in gyroscope
Device is controlled, directly can also be controlled by direction key.In this way, user is in actual use, neatly to use
The mode of the camera is controlled, the demand for experience that the user that is more convenient for exchanges to video.
In the present embodiment, the first terminal 10 also includes the audio-visual coding module 13 of scene, video-audio data transport module
14.With above-mentioned first terminal 10 adaptably, the second terminal 20 also includes video-audio data receiving module 25, audio-visual decoding mould
Block 26, audio-visual playing module 27, wherein the audio-visual playing module 27 and the display screen of second terminal 20 are electrically connected with.
The audio-visual coding module 13 of scene is connected with the electric signal of camera 12, and the camera 12 obtains first eventually
Hold after 10 surrounding image information, be sent to the audio-visual coding module 13 of the scene, encoded through the audio-visual coding module 13
It is converted into being easy to the video format of network transmission.The speech data of other microphone can together with video data coding transmission
It can be transmitted, be not restricted here with absolute coding.
The audio-visual coding module 13 of scene also includes a network detecting unit, and the video-audio data coding/decoding module may be used also
Adjusted automatically with detecting network speed (such as sending " ping " instruction to second terminal) according to the network detecting unit
Reorganize the image compression ratio of code.
The video-audio data transport module 14 is connected with the signal of video-audio data receiving module 25 of second terminal 20, the two it
Between can set up transmission of video buffering, the image data for being obtained first terminal 10 by RTP/RTCP agreements through network transmission extremely
The video-audio data receiving module 25.The image that the audio-visual decoder module 26 obtains the video-audio data receiving module 25 is compiled
Code carries out corresponding decoding process, so as to adapt to the audio-visual playing module 27, and be allowed to can be by the audio-visual playing module
27 play out on the display screen of second terminal 20.
Preferably, the system that the present invention is provided is in the case where equipment is complete, and for example first terminal 10 includes at least two
The camera 12, and encode engine with 3D；Second terminal 20 has 3D playback engines, then the system that the present invention is provided is fitted
For the interaction of 3D scene videos.The video interactive system of the present embodiment can greatly improve the interactive experience of 3D scene videos interaction.
Compared to prior art, a kind of video interactive system that the present invention is provided passes through the camera from the first terminal
The scene image on first terminal periphery is obtained, second terminal is conveyed to by way of internet is transmitted, it is aobvious through second terminal
Show that terminal shows above-mentioned scene image.And pass through in second terminal there is provided the remote control of gyroscope built in one
The remote control reaches easily controls according to the demand of the user video focus of second terminal by the remote control
The camera of one terminal rotates biasing, and then the scene image for meeting second terminal user concern demand is obtained from first terminal
Purpose.
In the present embodiment, by the built-in gyroscope in remote control, the video for obtaining user by gyroscope is paid close attention to
Dot position information, and described video locations of points of interest is converted to the control instruction that remote control camera is rotated, then institute
The control signal stated is sent to first terminal, and then it is inclined to control first terminal camera to be carried out by the concern wish of local user
Turn.The present embodiment improves the experience of user video interaction by the improvement to remote control, operates more convenient.
Embodiment three
Offer one kind is carried out by video interactive glasses on the basis of the present embodiment is the technology contents based on embodiment two
Video interactive system.
Within the system, viewpoint position information of the user on screen is obtained by a viewpoint acquisition device, and according to institute
The control instruction that the viewpoint position information generation control first terminal camera stated is rotated.The family that the viewpoint acquisition device includes
The interaction glasses worn, the interactive glasses can integrated 3D glasses, the function of earphone-microphone, it is and built-in on interaction glasses
There is the trap setting of user's viewpoint position, the viewpoint position for catching user.Can certainly some other be worn on head
On user's viewpoint device, as long as there is user's viewpoint acquisition device.Viewpoint described here refers to that the face of user is square
To the straight line (namely direction of the launch of infrared launcher) and the intersection point of plane where screen at place.
The main viewpoint position according to second terminal user of the present embodiment, is mapped as the shooting side of first terminal camera
To.For example when the viewpoint position of second terminal user falls in the left side centre position of screen, then the camera of first terminal is controlled
Biasing is rotated toward left/right, and obtains the figure of first terminal left side scene；Such as when the viewpoint position of second terminal user falls
In the upper right Angle Position of screen, then the camera of first terminal is controlled to be rotated toward upper right Angle Position, and obtain first terminal upper right
The figure of angle/upper left corner scene.
Because the observation position of user largely needs to consider the skew of user's head, in order to catch the viewpoint position of user
Put, it is necessary to further calculate the skew of user's head, the present invention uses the size and its launch angle of IR signal reception amplitude
Principle with functional relation, also provides a kind of user's viewpoint acquisition device, is caught by described user's viewpoint acquisition device
The viewpoint position of user.
As shown in figure 3, in the present embodiment, the remote control of the second terminal 20 replaces with video interactive glasses 29,
The video interactive glasses 29 are used to carry out 3D video interactives, and the video interactive glasses 29 are provided with infrared launcher
30, the infrared launcher 30 is located at the middle position of the video interactive glasses 29, and the infrared launcher 30 is pressed
Particular transmission frequency launches infrared signal to direction immediately ahead of user face, and the infrared signal is with the signal frequency of fixed frequency
It is preferred.The integrated 3D glasses of video interactive glasses 29, the function of also having earphone-microphone.
The uniform means for diverging of infrared signal can be set in the infrared launcher 30, for example, set an optical glass outer cover,
So that infrared signal gradient uniformity is launched, and the infrared remote receiver receives the relation mould that signal strength receives radius with signal
Type is linear relation model, under the relational model, infrared remote receiver receive the amplitude of signal with its receive radius into a letter
Number relation.
In the present embodiment, in addition to control device 23 improved, continue referring to Fig. 3, Fig. 4, the control
Device 23 includes user's viewpoint acquisition device 28.Described viewpoint acquisition device 28 includes：
Infrared receiving device 2802, the infrared receiving device 2802 includes being arranged in the second terminal 20 at least
Three infrared remote receivers not on the same line, it is specifically, described described four are set on display terminal 20 to be distributed in display
Shield the infrared remote receiver of corner, described infrared remote receiver receives the infrared of the interactive infrared launcher of glasses 29 transmitting
Signal,
The viewpoint position information computational module 2801 of user, for the infrared signal received by each infrared remote receiver
Strong and weak information calculate the view information of user, due to infrared remote receiver receive signal amplitude and its receive radius into a letter
Number relation, therefore the radius distance that signal is received, the radius distance that described signal is received can determine that according to the size of signal amplitude
Namely distance of the viewpoint to sight to infrared remote receiver, viewpoint mentioned here refers to square place straight line immediately ahead of user's face
With the intersection point of plane where screen.And then can be according to multiple infrared remote receivers to view distance proportionate relationship, the length of screen
Wide geometrical relationship determines the position of viewpoint.Detailed calculating process refer to the description of embodiment seven, wouldn't retouch in detail here
State.
The remote command processing module includes：
Package module 2402 is instructed, is rotated for generating remote control first terminal camera according to described view information
Control instruction；
Instruction sending module 2401, for the control instruction after encapsulated to be transferred to the controlled of first terminal
Device, the rotation of the first terminal camera is controlled by the controlled device.
To enable first terminal 10 to change the acquisition first of multi-angle according to the facial action of the user of second terminal 20
The scene image on the periphery of terminal 10, the controlled device that a controllable first terminal camera is rotated is set in first terminal 10
11, a control device 23 and interaction glasses 29 are set in second terminal 20, the acquisition of user's viewpoint is provided with control device 23
Module 28 and remote command processing module 24, the viewpoint position information of user, Jin Erzai are obtained by the viewpoint acquisition module 28
The control instruction rotated by remote command processing module 24 to viewpoint position Information encapsulation for control first terminal camera, and
The control instruction is transferred to the controlled device 11 of first terminal, to realize to the angle of rotation of camera 12 on first terminal 10
The adjustment of degree.
The video interactive system provided compared to prior art, the present invention, user is interacted by interaction glasses, is passed through
The viewpoint position of user is calculated, and then the viewpoint position is mapped as the offset orientation of remote terminal camera.Only with one
Infrared injection device and four red external connectors, are sent out by the infrared injection device according to certain tranmitting frequency to the display terminal
Infrared signal is penetrated, the intensity condition of above-mentioned signal is received through four red external connectors, judges user relative to aobvious by mathematical computations
Show the view directions and viewpoint of terminal, it has product structure simple, the characteristics of easy to use, and further increases user
Interactive experience.
Example IV
Fig. 5 shows the implementation process of video interactive method provided in an embodiment of the present invention, and details are as follows.The video is handed over
Mutual method comprises the following steps：
In step S501, first terminal is set up video by internet with second terminal and is connected, and transmits audio, video data,
Here video connection refers to the network connection of Internet video chat；
In step S502, the interactive controlling that second terminal obtains user by control device is instructed, and the control
Instruction encapsulation, and it is transferred to first terminal；Described remote control can be general remote control or intelligent terminal, or
Person interacts glasses.
In step S503, first terminal receives described control instruction, and controls first terminal according to the control instruction
Camera is rotated.Here the rotary parts of camera can use the rotary parts of prior art, for example with motor sliding tooth
Take turns and then drive the modes such as camera rotation.
In step S502, described interactive controlling instruction includes the control instruction for controlling first terminal camera to rotate,
Also the control instruction that first terminal camera acquisition parameters are set, focal length that such as camera is shot, brightness, contrast are included
Parameter etc. is spent, user can be by controlling the focal length of remote camera to carry out close up fragmentary to photographic subjects here.
What deserves to be explained is it can also be bi-directionally connected that described video connection, which can be connected unidirectionally, i.e., when first terminal with
Second terminal is provided with the video interactive system that the present invention is provided in the case of camera parts simultaneously, and two terminals can phase
Respective camera is mutually controlled to rotate.
In view of the convenience of description, the present invention only by taking unidirectional connection as an example, describes specific embodiments of the present invention,
Under the unidirectional connection mode, second terminal user sends instructions to second terminal by the remote control, and by second eventually
The rotation of end control first terminal camera.
By taking the embodiment that one-way video is connected as an example, in order to strengthen video interactive effect, described interactive controlling instruction
Also include control camera and perform a variety of automatic shooting mode instructions, described shooting model is correspondingly arranged on camera control journey
Formula, is clapped for automatically controlling first terminal camera according to the control formula by the predefined shooting track movement of control formula
Take the photograph.The automatic shooting mode instruction includes pressing specific slewing rate side-to-side movement scanning shoot, and the visual field is at the uniform velocity rotated by 360 ° bat
Take the photograph, locking follows mobile target (such as user) shooting.Due to being provided with certain rotation rail in described first terminal
Mark control formula cause second terminal user or local first terminal user by switching screening-mode, can automatically control
Camera presses particular track follow shot.
For example, in the case where following mobile target screening-mode, first terminal passes through image procossing according to the scene image of acquisition
Algorithm, it is automatic to catch mobile target, and according to the movement of target, the rotation that follows of camera is controlled, and then acquisition follows movement
The scene image of target (such as user).
In the method provided in the present embodiment, it is that user is improved in the video interactive of user to be obtained to remote image
Control ability so that in video interactive, video reception user can be watched oneself like long-range removable by the wish of oneself
Dynamic image, and provide a user multiple screening-modes, the significantly interest and convenience there is provided user mutual.
Embodiment five
On the basis of example IV, Fig. 6 shows the implementation process of video interactive method provided in an embodiment of the present invention,
Equally, the present embodiment is illustrated by taking the embodiment that one-way video is connected as an example, and details are as follows.The video interactive method bag
Include following steps：
In the present embodiment, by built-in gyroscope in remote control, the video focus of user is obtained by gyroscope
Positional information, and described video locations of points of interest is converted to the control instruction that remote control camera is rotated, then described
Control signal be sent to first terminal, and then control first terminal camera to enter horizontal deflection by the concern wish of local user.
Remote control described here can be remote control, intelligent terminal, interaction glasses etc., in described remote control
It is built-in with the gyroscope of acquisition device positional information.Certainly gyroscope here also includes some speed, acceleration transducer.
In step s 601, second terminal obtains the original positioning of reference of remote control gyroscope, described with reference to original fixed
The reference location that position deflects for the remote control.In default situations, when could be arranged to start the remote control, institute
Location point or user where the remote control stated ask flat to the position progress multiple repairing weld of remote control in use
, so determine reference location.
In step S602, in the state of the normal use of user, second terminal obtains the deflection of the gyroscope in real time
Parameter.
In step S603, the finger that control first terminal camera is deflected is generated according to the deflection parameter of the gyroscope
Order, the instruction can be transmitted by being encapsulated as XML data bag.
In step s 604, second terminal sends packaged director data bag to first terminal, controls first terminal
The deflection of camera, realizes that user controls the camera of first terminal by the pass of first terminal user by described remote control
Note being willing into horizontal deflection.First terminal by http protocol can instruct described in communications and wrapped with second terminal.
In the present embodiment, by built-in gyroscope in remote control, the video focus of user is obtained by gyroscope
Positional information, and described video locations of points of interest is converted to the control instruction that remote control camera is rotated, then described
Control signal be sent to first terminal, and then control first terminal camera to enter horizontal deflection by the concern wish of local user.
The present embodiment is mainly the rotation that remote terminal camera is controlled by the gyroscope built in remote control, with motion sensing control
Effect.The present embodiment improves the experience of user video interaction by the improvement to remote control, operates more convenient.
Embodiment six
On the basis of embodiment five, Fig. 7 shows the implementation process of video interactive method provided in an embodiment of the present invention,
Details are as follows.The video interactive method comprises the following steps：
In step s 701, user wears video interactive glasses, enters remote dummy scene, institute by video interactive system
The interaction glasses stated are provided with an infrared launcher, and the infrared launcher presses specific frequency to direction immediately ahead of user face
Launch infrared signal.Especially, the uniform means for diverging of infrared signal can be set in the infrared launcher, for example, set an optics
Glass outer, so that infrared signal gradient uniformity is launched, and the infrared remote receiver receives signal strength and receives half with signal
The relational model in footpath is linear relation model.
In step S702, described infrared signal is received by the infrared remote receiver being arranged in second terminal, and adopt
Sample obtains the amplitude size of signal.Described infrared remote receiver is arranged on the frame of second terminal, and is provided with least three
Individual infrared remote receiver not on the same line, preferable set-up mode is to set four infrared receivers in the corner of the frame of screen
Device.The signal amplitude that infrared remote receiver is received carries out analog-to-digital conversion by amplification, and generation represents the signal amplitude of signal magnitude
Data.
In step S703, the signal magnitude relation that second terminal is received according to each infrared remote receiver calculates user and existed
Viewpoint position information on screen.
In step S704, second terminal generates what control first terminal camera was deflected according to the viewpoint position information
Control instruction.Viewpoint position of the second terminal user on screen is really converted to control first terminal camera by the process
Deflection angle.Implementation process includes setting up second terminal user viewpoint position and the relation of first terminal camera shooting angle
Model, the relational model is that set up second terminal user viewpoint position reflects with associating for first terminal camera shooting angle
Penetrate, described control instruction is generated according to described relationship maps, and then control the rotation of camera.Certain such a mapping relations
Can be that multiple viewpoint positions are corresponding with a certain shooting angle.
In step S705, second terminal by network transmission to first terminal, and then controls described control instruction
First terminal camera adjusts the shooting angle consistent with the viewpoint position, and first terminal obtains and transmits the first terminal
Image of the scene under the shooting angle.
Wherein, in step S703, the signal magnitude received according to second terminal according to each infrared remote receiver is closed
System, calculates viewpoint position information Step of the user on screen and specifically includes：
Build infrared remote receiver and receive the relational model that signal strength receives radius with signal；
Signal strength information is received according to described relational model and each infrared remote receiver, each infrared remote receiver is obtained with using
The range information of family viewpoint on screen；
User's viewpoint position coordinate is calculated according to the range information of viewpoint of the user on screen and each receiver to believe
Breath.
Above-mentioned calculating process will be described in detail in embodiment seven, not describe for the time being here.
In the present embodiment by interaction glasses interact, the interaction glasses can also integrated 3D glasses, earphone-microphone function,
Realize the parlor virtual reality of the interaction under 3D scenes.
The acquisition of its 3D image, coding, transmission, decoding broadcasting scheme have had more ripe side in the prior art
Case.The coding and decoding scheme interacted with 3D is applicable there is provided some in the prior art, such as based on disparity estimation coding, 3-dimensional grid
Coding etc..
Furthermore, it is contemplated that the difference of user network transmission speed, the video-audio data coding/decoding module can also be according to detecing
Measure network speed (for example sending " ping " instruction to other side) and be automatically adjusted the image compression ratio of coding, and then improve this
The adaptivity of network transmission of the system in 3D interactions.
Compared to prior art, the video interactive method that the present invention is provided is used after wearing video interactive glasses by user
The video interactive system that the present invention is provided enters remote dummy scene.Second terminal obtains the viewpoint position information of active user,
And then the purpose of the first terminal camera adjustment shooting angle consistent with the viewpoint position is controlled, so as to meet user video
Higher viewing area requirement during interaction.Due to the video interactive method of the present invention, it can make first terminal camera with user
The change of viewpoint position and change, it can be converted in the display of scene according to the change at the sight of user and visual angle in real time
Hold, reach the level of intelligentized control method, considerably improve the video tastes of user.
Embodiment seven
On the basis of embodiment six, the present embodiment combination Fig. 8 and Fig. 9 provide video interactive provided in an embodiment of the present invention
The calculating process of viewpoint in method, details are as follows.
Comprise the following steps：
2.1) build infrared remote receiver and receive the relational model that signal strength receives radius with signal.
Infrared remote receiver receives the infrared signal of infrared launcher transmitting, usually, its signal amplitude pair received
The signal amplitude that radius will produce varying strength is received in unlike signal, in the case where its reception distance is certain, what it was received
Signal amplitude size is with receiving radius direct correlation.Accordingly, can in advance to infrared launcher with infrared launcher for each
Signal amplitude produced by individual signal receives radius is measured, and the signal amplitude value obtained by measurement receives radius value one with signal
One correspondence, and then set up the relational model that infrared remote receiver receives signal strength and signal reception radius.
As shown in figure 8, infrared launcher 1 launches infrared signal, infrared receiving device 3 receives described infrared signal,
Its direction radius for connecing signal is r, apart from the case that L is certain, the deviation angle α that its signal amplitude size is launched with signal into
Functional relation, and α=arctan (r/L), thus apart from L it is certain when, signal receive amplitude size and signal receive radius r into
Functional relation, the α angles of infrared launcher transmitting are bigger, and signal amplitude is smaller, and α angles are smaller, and its signal amplitude certainly will be got over
Greatly, i.e., signal amplitude value receives radius value existence function relation with signal.
The functional relation that the infrared emission angle receives signal strength with infrared remote receiver can be reduced to signal reception
Radius r receives signal strength with receiver, and there is function corresponding relation Π=F (r), wherein Π to be the signal width of infrared remote receiver
Degree, r is that signal receives radius.The function pair that signal reception radius r and receiver reception signal strength Π are determined under laboratory should
Relation Π=F (r).
Expression and measurement are easier to make signal amplitude value and signal receive radius value, the infrared launcher is provided with
The uniform means for diverging of infrared signal, such as optical lens so that the infrared signal gradient uniformity diverging of infrared launcher transmitting, and
And the infrared remote receiver receives signal strength and receives the relational model of radius with signal for linear relation model.In this way, for example,
It is smaller in α angles, in the case that L is certain, the functional relation that signal amplitude F receives radius r with signal can be set up：Wherein m, n, k are coefficient, and this is parameter intrinsic between infrared remote receiver and infrared launcher.
2.2) signal strength information, is received according to the relational model and each infrared remote receiver, each infrared remote receiver is obtained
With the distance of user's viewpoint on screen.
For ease of analysis, Fig. 9 left figures and right figure refer to.
Four infrared remote receivers 3 are provided with the corner of intelligent television, four infrared remote receivers 3 of note are respectively infrared receiver
Device A, infrared remote receiver B, infrared remote receiver C and infrared remote receiver D (writing a Chinese character in simplified form into A, B, C and D below), while remembering the viewpoint of user
For O, S points are the launch point of infrared launcher, and viewpoint O namely the straight line where user's face positive direction show with the display terminal
Display screen curtain intersection point in the plane.Under the relational model, the reception radius of infrared remote receiver A signal is AO, infrared to connect
The reception radius for receiving device B signal is BO, and the reception radius of infrared remote receiver C signal is CO, infrared remote receiver D signal
It is DO to receive radius.
Assuming that the signal amplitude that A is received is 0.8 §, B is 1.6 §, and C is 0.7 §, and D is 0.2 §, and wherein § is reference signal width
Degree, at the same remember Ra, Rb, Rc, Rd be respectively four infrared remote receivers to viewpoint (i.e. signal reception radius r) distance, then just like
Under equation group：
In above-mentioned equation group, due to signal amplitudeThe value of middle coefficient can in advance be determined according to experiment, i.e. F
(r) value is understood, the function corresponding relation of radius is so received according to signal amplitude and signal, four infrared receivers can be obtained
To viewpoint, (i.e. signal receives radius r) distance to device, i.e., the signal of each infrared remote receiver receives radius Ra, Rb, Rc, Rd value.
In the quadrangle ABCD, due to length of side BC, CD can measured in advance, in the case of knowable to AO, BO, CO, DO, easily calculate O
Position.
2.3) user, is calculated in display terminal according to the range information of viewpoint of the user on screen and each receiver
On viewpoint position coordinate information.
There is provided a kind of computational methods for being easy to calculate above-mentioned eye coordinates in the present embodiment, this method need not determine F (r)
Actual function relation, received receiving radius r and signal under the model of amplitude linearly, note viewpoint is O, then by point
A, B, C and D are constituted in quadrangle, and point O is a bit in plane determined by A, B, C, can calculate AO quickly, BO, CO, DO it
Between ratio.
Wherein, OA=Ra, OB=Rb, OC=Rc, and line segment AB, BC, AC value can directly be measured from display terminal.
So in four side body ABCD, Qi Gebian is known, it is clear that further according to Ra, Rb, Rc, and the proportionate relationship between Rd can be extrapolated
Viewpoint O quadrangle ABCD position, i.e. viewpoint display screen coordinate.
Itemize a kind of calculation as follows, refer to Fig. 9 right figures, using C as origin, CB is x-axis, and CD is y-axis, then O
Coordinate (x, y) can be calculated by geometrical relationship.It is specific as follows：In △ OBC, the distance between note B and C BC=L have
Then
Because line segment OC and OB value understand that then u value is understood, and it is a constant.
Similarly, in △ ADO, the distance between note C and D CD=H have
Then
Because line segment OD and OA ratio understand that then w value is understood, and it is a constant.
The equation group constituted according to formula (1) and formula (2), you can to calculate the occurrence of O point coordinates (x, y).Learn
Viewpoint O is relative to the coordinate value on display terminal.
Further, in order to provide the degree of accuracy of calculating, the present invention can be repaiied by the reference difference of the viewpoint of user
Just.Note user is in the case where facing simultaneously normal viewed status, and the viewpoint of system-computed is O1, user bias viewpoint in the case of, be
The viewpoint that statistics is calculated is O2, then the reference difference of the viewpoint of user be：P=O2-O1, note screen center is O points, then system amendment
Viewpoint afterwards is Q=O+P, obtains viewpoint positions of the Q for amendment.
Further, in order to accurately catch user's viewpoint position, it can also be and miniature image processing dress is built-in with glasses
Put, by image processing techniques, the pupil rotation direction for obtaining user obtains the direction that user's glasses are stared, so as to further repair
The viewpoint position of positive user.
A kind of computational methods for calculating user's viewpoint position on screen are provided in the present embodiment, the computational methods are improved
The degree of accuracy that user's viewpoint is calculated, and can apply in this video interactive method and interactive system, by determining regarding for user
Position is put, then the viewpoint position is mapped as the deflection orientation of remote terminal camera, user video interaction is further increased
Experience.
Embodiment eight
The present embodiment is a kind of the one of video interactive glasses for video interactive system being preferable to carry out of providing of the present invention
Mode.
Figure 10 is refer to, as described in Figure 10, the interaction glasses include common 3D Glasses structures part 4, are additionally included in eye
The infrared launcher 1 that mirror center is set, for launching infrared signal to terminal direction by specific transmission frequency, based on terminal
Calculate and obtain user's viewpoint on the screen of display terminal.
Preferably, the uniform means for diverging of infrared signal can be set in the infrared launcher, for example, set an optical glass
Outer cover, so that infrared signal gradient uniformity is launched, and the infrared remote receiver receives signal strength and receives radius with signal
Relational model is linear relation model.
Preferably, the interactive glasses also include wireless microphone and Microspeaker.
In the prior art, during user's viewing 3D image videos, 3D video eyeglasses are generally worn.What the present embodiment was provided regards
Frequency interaction glasses are that infrared launcher, microphone and Microspeaker are set on original 3D video eyeglasses, to realize video
Interaction.Wherein, the operation principle of the infrared launcher is as described in previous embodiment, will not be repeated here.
Compared to prior art, the video interactive glasses that the present invention is provided can preferably coordinate the video that the present invention is provided
Interactive system, realizes and catches user's viewpoint.It is also equipped with voice transmission and listening function simultaneously, can further improve user and regard
The experience effect of frequency interaction.
Embodiment nine
The present embodiment is a kind of preferred reality for video interactive terminal in video interactive system provided on the present invention
Apply mode.
Fig. 2 is refer to, the video interactive first terminal that the present invention is provided is provided with the camera for obtaining scene image
12 and the controlled device 11 for controlling the first terminal camera to rotate, the first terminal passes through the controlled device 11
The control instruction of second terminal is received, and controls the camera 12 to rotate according to the control instruction, so as to adjust its shooting
Position.
Preferably described first terminal also includes the audio-visual coding module 13 of scene, for the image obtained to camera 12
The speech data that data, microphone are obtained is encoded；Video-audio data transport module 14, for transmitting the video-audio data to
Two terminal plays.The view data that the camera 12 is obtained and voice data that microphone is obtained can together be encoded to it is specific
Audio frequency and video form, separate can also encode, transmit with play, be not restricted here.
The video interactive second terminal that the present invention is provided be provided be controlled with the controlled device of first terminal interact into
And the control device 23 for controlling the first terminal camera to rotate, the acquisition user's control first terminal camera of control device 23
The control instruction of rotation, the control instruction is encapsulated and is transferred to first terminal, and then first terminal described in remote control
Camera is rotated.Control interaction described here refers to the control device of the controlled device and second terminal of the first terminal
Mutually control is carried out to coordinate.
Preferably, the second terminal is also configured with remote control 21, for being supplied to user to be controlled interaction, and energy
Video focus information of the user to remote scene is obtained by remote control 21, and according to described video focus information control
The rotation of first terminal camera processed.
The other second terminal also includes video-audio data receiving module 25, the audio-visual number for receiving long-distance video interaction
According to, audio-visual decoder module 26, for decoding described video-audio data, audio-visual playing module 27, described for playing is audio-visual.
Before what the present embodiment was provided refers to for the first terminal of video interactive and the concrete operating principle of second terminal
Embodiment is stated, be will not be repeated here.
In the present embodiment, based on the interactive system of the invention provided there is provided two terminals, the terminal can be independent
Applied to described interactive system, the interactive terminal that the present embodiment is provided improves the Consumer's Experience that terminal carries out video interactive.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (13)
1. a kind of video interactive system, including the first terminal and second terminal connected by internet video, the video connect
Connect the network connection for referring to Internet video chat, it is characterised in that：The first terminal is used for one or more
Obtain the controlled device that first terminal camera described in the camera and remote control of first terminal scene image is rotated, described the
Two terminals provided with the display device for showing the scene image and are controlled friendship by the controlled device with the first terminal
Control device that is mutual and then controlling the first terminal camera to rotate；
The control device of the second terminal includes remote command processing module, and the remote command processing module receives user and led to
Cross the control instruction of remote control transmission, will the control instruction encapsulate after be transferred to the controlled device of first terminal, it is described by
Control device controls the first terminal camera to rotate according to the control instruction；Wherein,
The remote control includes：Interaction glasses, described interaction glasses are provided with infrared launcher, for by particular transmission
Frequency launches infrared signal,
The control device of the second terminal includes：
User's viewpoint acquisition module, the view information for obtaining second terminal user；
Remote command processing module, the control instruction for described view information being encapsulated as controlling first terminal camera,
And send the control instruction；
Described user's viewpoint acquisition module includes：
Infrared receiving device, the infrared receiving device include being arranged in the second terminal at least three not with always
Infrared remote receiver on line, described infrared remote receiver receives the infrared signal of infrared launcher；
User's viewpoint position information computational module, for the strong and weak information of the infrared signal received by each infrared remote receiver
View information of the user on screen is calculated,
The remote command processing module includes：
Package module is instructed, the control for generating the rotation of remote control first terminal camera according to described view information refers to
Order；
Instruction sending module, the controlled device for the control instruction after encapsulated being transferred to first terminal leads to
Cross the rotation that the controlled device controls the first terminal camera.
2. interactive system as claimed in claim 1, it is characterised in that set multigroup camera automatic in described first terminal
Rotary motion trace controls formula, for automatically controlling first terminal camera by the control formula definition according to the control formula
Shooting track follow shot.
3. interactive system as claimed in claim 1, it is characterised in that the first terminal includes audio-visual coding module, audio-visual
Data transmission module, the second terminal includes audio-visual decoder module, video-audio data receiving module, audio-visual playing module.
4. interactive system as claimed in claim 1, it is characterised in that it is uniform that the infrared launcher is provided with infrared signal
Means for diverging, so that infrared signal gradient uniformity is launched.
5. a kind of video interactive method, it is characterised in that methods described includes step：
First terminal is set up video by internet with second terminal and is connected；The video connection refers to Internet video chat
Network connection；
The interactive controlling that second terminal obtains user by control device is instructed, and the interactive controlling is instructed encapsulation, and is passed
It is defeated by first terminal；
First terminal receives described control instruction, and controls first terminal camera to rotate according to the control instruction；
The interactive controlling that the second terminal obtains user by control device is instructed, and the control instruction is encapsulated, and is passed
The step of being defeated by first terminal specifically includes：
Second terminal user's head wears the video interactive glasses for being built-in with infrared launcher, and video interactive eye
Mirror presses certain frequency to screen emissions infrared signal by the infrared launcher；
At least three infrared remote receivers not on the same line is provided with second terminal, each infrared remote receiver receives institute
The infrared signal stated, and according to the viewpoint position information of the strong and weak information of the infrared signal received calculating active user；
The control instruction that control first terminal camera is deflected is generated according to the viewpoint position information.
6. exchange method as claimed in claim 5, it is characterised in that the strong and weak information for the infrared signal that the basis is received
The viewpoint position information Step for calculating active user is specifically included：
Build infrared remote receiver and receive the relational model that signal strength receives radius with signal；
Signal strength information is received according to described relational model and each infrared remote receiver, each infrared remote receiver is obtained and exists with user
The range information of viewpoint on screen；
User's viewpoint position coordinate information is calculated according to each receiver and the range information of viewpoint.
7. exchange method as claimed in claim 6, it is characterised in that it is uniform that the infrared launcher is provided with infrared signal
Means for diverging, so that infrared signal gradient uniformity is launched, and the infrared remote receiver receives signal strength and receives half with signal
The relational model in footpath is linear relation model.
8. exchange method as claimed in claim 5, it is characterised in that described according to viewpoint position information generation control the
The control instruction step of one terminal camera deflection is specifically included：
Set up the relational model of second terminal user viewpoint position and first terminal camera shooting angle, described relational model
It is the relationship maps for setting up second terminal user viewpoint position and first terminal camera shooting angle.
9. exchange method as claimed in claim 5, it is characterised in that methods described also includes：First terminal receives described
Control instruction, and the acquisition parameters that first terminal connects camera are adjusted according to the control instruction.
10. exchange method as claimed in claim 5, it is characterised in that the first terminal receives described control instruction, and
The step of controlling first terminal camera to rotate according to the control instruction also includes：
Described control instruction includes the instruction of switching fixation locus screening-mode, for automatically controlling camera by screening-mode
Particular track follow shot.
11. exchange method as claimed in claim 10, it is characterised in that the fixation locus screening-mode is followed including target
Screening-mode, in this mode, described camera lock mobile target automatically, and follow mobile target to rotate, and obtain
The movable image of target.
12. a kind of video interactive glasses, it is characterised in that described video interactive glasses are provided with infrared launcher, described red
Outer emitter is provided with the uniform means for diverging of infrared signal, and the uniform means for diverging of infrared signal is used to launch gradient uniformity
Infrared signal, to terminal transmission infrared signal, user is calculated for terminal by particular transmission frequency the infrared dispensing device
The viewpoint position on the terminal display screen, the viewpoint position information is used to generate the control that control first terminal camera is rotated
System instruction.
13. a kind of video interactive second terminal, the video interactive second terminal is mutual for passing through with video interactive first terminal
Networking refers to the network connection of Internet video chat depending on setting up video connection, the video connection, it is characterised in that described
Second terminal is provided with to be controlled with the controlled device of first terminal and interacts and then control the camera of the first terminal to turn
Dynamic control device；The control device of the second terminal includes remote command processing module, the remote command processing module
The control instruction that user is sent by remote control is received, the controlled dress of first terminal is transferred to after the control instruction is encapsulated
Put, the controlled device controls the first terminal camera to rotate according to the control instruction；Wherein,
The remote control includes：Interaction glasses, described interaction glasses are provided with infrared launcher, for by particular transmission
Frequency launches infrared signal,
The control device of the second terminal includes：
User's viewpoint acquisition module, the view information for obtaining second terminal user；
Remote command processing module, the control instruction for described view information being encapsulated as controlling first terminal camera,
And send the control instruction；
Described user's viewpoint acquisition module includes：
Infrared receiving device, the infrared receiving device include being arranged in the second terminal at least three not with always
Infrared remote receiver on line, described infrared remote receiver receives the infrared signal of infrared launcher；
User's viewpoint position information computational module, for the strong and weak information of the infrared signal received by each infrared remote receiver
View information of the user on screen is calculated,
The remote command processing module includes：
Package module is instructed, the control for generating the rotation of remote control first terminal camera according to described view information refers to
Order；
Instruction sending module, the controlled device for the control instruction after encapsulated being transferred to first terminal leads to
Cross the rotation that the controlled device controls the first terminal camera.
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