CN106686389A - Method for achieving remote real-time transmission and display of panoramic image - Google Patents
Method for achieving remote real-time transmission and display of panoramic image Download PDFInfo
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- CN106686389A CN106686389A CN201610511224.8A CN201610511224A CN106686389A CN 106686389 A CN106686389 A CN 106686389A CN 201610511224 A CN201610511224 A CN 201610511224A CN 106686389 A CN106686389 A CN 106686389A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/50—Controlling the output signals based on the game progress
- A63F13/52—Controlling the output signals based on the game progress involving aspects of the displayed game scene
Abstract
The invention provides a method for achieving the remote real-time transmission and display of a panoramic image, and the method employs a server, a transmission system and a terminal. The terminal comprises a processing unit, a motion detection unit, and a display unit. The processing unit is electrically connected with the motion detection unit and the display unit. Compared with the prior art, the method employs a scheme of transmitting image data according to a detection result of the motion detection unit, greatly saves the network bandwidth, and achieves the remote real-time transmission and display of the panoramic image. The method reduces the size of data transmission in a mode of cutting a window image region and a buffering image region, and avoids a black edge and delay feel. An environment simulation unit can be used for simulating an environment, and has certain significance for the immersion of virtual reality.
Description
Technical field
The present invention relates to panoramic picture transmission field, more particularly, it relates to a kind of long-range panoramic picture real-time Transmission and
Display packing.
Background technology
Panorama shows and typically build a virtual three-dimensional scenic using Curved screen or nearly eye display device at present, allows and use
Person is regardless of towards which direction it can be seen that the image in virtual world, there is stronger feeling of immersion.Panoramic video or game mesh
Front is usually to download good whole file in advance in main frame to play again, is difficult to realize long-range real-time Transmission, and this is due to current
There is larger restriction in network transfer speeds, and the transmission of panoramic video or game needs very big real-time Data Transmission amount, this
It is that current most network condition is implacable.The scheme of some real-time Transmission employs reduction transmission image quality to save
Volume of transmitted data is saved, but so can cause to transmit image quality decrease, lattice sense is serious, has a strong impact on feeling of immersion.
The content of the invention
Real-time Transmission and the defect of feeling of immersion cannot be affected to solve current remote panoramic picture, the present invention provides a kind of
Can the strong long-range panoramic picture real-time Transmission of real-time Transmission and feeling of immersion and display packing.
The technical solution adopted for the present invention to solve the technical problems is：There is provided a kind of long-range panoramic picture real-time Transmission and
Display packing, including server, Transmission system and terminal, the terminal includes processing unit, motion detection unit and shows single
Unit, the processing unit is electrically connected with respectively with the motion detection unit and the display unit, and long-range panoramic picture is real-time
Transmission and the method for showing are comprised the following steps：
S1：The kinestate of the motion detection unit detection user simultaneously transmits testing result single to the process
Unit；
S2：The processing unit is processed the testing result for receiving, and sends a request to the server request
View data；
S3：The server transport correspondence image data are to the terminal.
Preferably, the terminal further includes environmental simulation unit, the environmental simulation unit and the processing unit
It is electrically connected with, the server transport environmental information to the terminal, the terminal transmission corresponding informance is to the environmental simulation
Unit, the environmental simulation unit can be according to the information simulation of terminal transmission correspondence environment scene.
Preferably, the motion detection unit includes Attitute detecting device, and the Attitute detecting device can be detected and used
The angle coordinate information of person.
Preferably, the processing unit draws user according to the angle coordinate information that the motion detection unit is provided
Window image region, increases buffers images region around the window image, constitutes transmission image-region, and to server
Ask the transmission image area information.
Preferably, experimental data is collected by a large amount of, it is determined that window image region described in the mankind becomes in corresponding time delay
The extreme boundary of change, forms the one-to-one relationship of the extreme boundary and time delay, and according to the extreme boundary scope
It is determined that the transmission image-region in corresponding time delay.
Preferably, the computational methods of the transmission image-region are：
Processing unit described in S2.11 records the user angle coordinate information (α that the motion detection unit is provided0, β0,
γ0)；
Processing unit described in S2.12 calculates positive maximum offset (the Δ α of user angle coordinate in time delay1,
Δβ1, Δ γ1) and reverse maximum offset (Δ α2, Δ β2, Δ γ2), arrange the angle coordinate set Ф that user is likely to occur
={ (α0-Δα2<α<α0+Δα1), (β0-Δβ2<β<β0+Δβ1), (γ0-Δγ2<γ<γ0+Δγ1), | α, beta, gamma }；
Processing unit described in S2.13 is to the corresponding transmission image-regions of the server request set Ф.
Preferably, for user the time point of kinestate is detected to server correspondence lower line number the time delay
According to the time used by end of transmission.
Preferably, user angle coordinate maximum offset is the user coordinate direction largest motion angular velocity and delay
The product of time.
Preferably, the terminal further includes response test device, when the response test device can test response
Between, the response time issues a signal to terminal and receives the time corresponded to used by return signal for terminal to server.
Preferably, the terminal is virtual implementing helmet, augmented reality glasses or panorama Curved screen.
Compared with prior art, the present invention is using the side according to motion detection unit testing result correspondence transmission view data
Case, saves many network bandwidths, is achieved long-range panoramic picture real-time Transmission and display.By intercepting window image
Region and the mode of buffering image-region, not only reduce volume of transmitted data, and avoid the product that black surround occurs and postpones sense
It is raw.Environmental simulation unit can be had the certain significance with simulated environment to the feeling of immersion of virtual reality.Attitute detecting device can be detected
The angle coordinate information of user, in real time transmits relevant information to processing unit to determine transmission image-region.Constant transmissions
Image-region is corresponded with time delay can easily determine the scope for transmitting image-region.By determining that user prolongs
Late in the time angle coordinate maximum offset can more precise delivery image-region scope, further reduce data transfer
Amount.Arranging response test device can measure the network speed situation of user, while conveniently drawing time delay.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is current remote image real-time Transmission and display packing；
Fig. 2 is panoramic picture display schematic diagram；
Fig. 3 is long-range panoramic picture real-time Transmission of the invention and display packing structural representation；
Fig. 4 is long-range panoramic picture real-time Transmission of the invention and display packing principle schematic；
Fig. 5 is long-range panoramic picture real-time Transmission of the invention and display packing transmission image-region schematic diagram.
Specific embodiment
Real-time Transmission and the defect of feeling of immersion cannot be affected to solve current remote panoramic picture, the present invention provides a kind of
Can the strong long-range panoramic picture real-time Transmission of real-time Transmission and feeling of immersion and display packing.
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now compare accompanying drawing and describe in detail
The specific embodiment of the present invention.
Refer to Fig. 1.Fig. 1 is current remote image real-time Transmission and display packing, and terminal 13 includes display unit 131,
By terminal 13 to the request data of server 11, server 11 is arrived according to the corresponding view data of data transfer that terminal 13 is asked
Terminal 13, terminal 13 after treatment transmits picture signal to display unit 131.This transmission is to terminal 13 and server 11
Processing speed and the speed of transmission data have certain requirement, if these speed are unable to reach requirement, video will
There is interim card, have a strong impact on experience.In current long-range audio-video real-time Transmission and display, the performance of server 11, terminal
13 performances and the network bandwidth and stability become the key factor of restriction phonotape and videotape transmission.Therefore, in the biography of current HD video
In defeated and big game, the remarkable terminal 13 of performance and the network configuration for stablizing high speed can not lack.
Refer to Fig. 2.Fig. 2 is panoramic picture display schematic diagram.Passing through virtual implementing helmet, augmented reality panoramic picture more
Glasses and panorama Curved screen are needed to ensure user 20 no matter towards what direction, can experience such as reality presenting
As image, therefore in not remote virtual reality shows, need the image for making comprehensive 360 degree, be stored in terminal 13, treat
After the motion of user 20 and location status are determined, terminal 13 transmits corresponding image information in display unit 131.And
In long-range real-time Transmission, it is impossible to make comprehensive 360 degree of image in advance, can only protect by the image of 360 degree of real-time Transmission
Card user 20 is regardless of the image that can be experienced towards what direction as reality.But the so many letter of simultaneous transmission
Breath needs the very big network bandwidth to support, current technology is unable to reach requirement, and this allows for long-range panoramic picture real-time Transmission
A very big difficult problem is run into playing.One solution is the image quality for reducing image, when the image quality of image is reduced to certain mark
On time, real-time data transmission amount is greatly reduced, and the network bandwidth can meet, but this can cause image to obscure very much, and lattice sense is tight
Weight, has a strong impact on feeling of immersion and the experience of virtual reality.Under conditions of the current network bandwidth, strengthen in the case of real-time Transmission
Virtual reality immersion sense has to look for other solutions.
Refer to Fig. 3-Fig. 5, in the present invention, complete long-range panorama phonotape and videotape real-time Transmission and broadcasting need server 11,
Transmission system 12 and terminal 13, are connected and mutual transmission information between server 11 and terminal 13 by Transmission system 12.Terminal
13 include processing unit 137, display unit 131, environmental simulation unit 139 and motion detection unit 135,137 points of processing unit
It is not electrically connected with display unit 131, environmental simulation unit 139 and motion detection unit 135.Environmental simulation unit 139 can be with
According to the related command simulated environment scene of processing unit 137, server 11 can with transmission environment information to terminal 13, and by
The reason command environment analogue unit 139 of unit 137 is expressed.Environmental simulation unit 139 can be equipped with aerator (not shown) mould
Plan wind direction and the environmental change such as outfit water injector (not shown) simulation water spray, rainy.Motion detection unit 135 is examined including attitude
Survey device 1353.Processing unit 137 includes response test device 1371, and response test device 1371 can be with Measurement Network response speed
Degree.
Because the visual angle of people limits, people can not simultaneously see the image of 360 degree of panoramic spaces in reality, be presented in face of people
Be one " form ", it is illustrated that window image region 31.Here so that virtual reality shows as an example tell about panoramic picture and show
Principle, panorama Curved screen and augmented reality display packing it is similar with its, here is omitted.Show in not remote virtual reality
In, because equipment response speed is very fast, after the angle information of user 20 is detected, terminal 13 transmits corresponding form figure
As region 31 is in display unit 131, whole process can control below 11ms, and within this time less than 11ms, make
The kinestate of user 20 will not occur too big change, and this part-time postpones to ignore.User 20 is in display unit 131
In see before 11ms image physiological brain on will not produce delay sense, this be non-remote dummy reality show it is substantially former
Reason.In this transmission, each unique window image region 31 of angle coordinate correspondence.But show in remote dummy reality
In, because network response speed is much larger than 11ms, reusing this mode propagating image will produce very big delay sense.Cause
We must transmit and are stored in terminal 13 more than the image in window image region 31 this, then remeasure the angle of user 20
Coordinate, corresponding window image region 31 is captured in display unit 131 in the image of storage.Among these, more than form figure
As region 31 image we be referred to as buffers images region 33, buffers images region 33 and window image region 31 collectively form biography
Defeated image-region 30.
It is detected from the kinestate and positional information of user 20, to image information user is passed to, needs one
Individual transmission and the time cycle for processing.The initial time for making this time cycle is T0, then time cycle need：User 20
Kinestate be detected and be delivered to processing unit 137 time be detection time t1, processing unit 137 process time
For t2, processing unit 137 transmit data to required time t of server 113, process time t of server 114, server 11 is to process
Unit 137 transmits the time t of correspondence image data5。(t1+t2+t3+t4+t5) this period, we were referred to as time delay, note delay
Time is t10.Time delay t10Had nothing in common with each other according to the difference of server 11, the performance of terminal 13 and network transfer speeds.
Can be easy to draw, the response time of the measurement of response test device 1371 is (t3+t4+t5), due to t1And t2For specific
It is substantially changeless, therefore t time delay for terminal10Response time (t can just be passed through3+t4+t5) and fixed
Time t1、t2Calculate.
The transmission of long-range panoramic picture real-time Transmission of the invention and display packing and display process are：In T0At the moment, use
The angle coordinate information passive movement detector unit 135 of person 20 is detected, through t1Time the information transmission to processing unit
137, processing unit 137 is through t2The data of transmission image-region 30 are asked in the process of time to server 11, through t3Time number
According to request message transmission to server 11, server 11 is through t4It is descending that the process of time will transmit the corresponding data of image-region 30
Terminal 13 is transferred to, through t5Time incoming terminal and finish receiving, be now designated as T1Moment.Meanwhile, motion detection unit
135 detection user 20 are in T1The angle coordinate information at moment, and by the information transfer to processing unit 137, processing unit 137
After treatment, correspondence T is captured in the transmission image-region 30 passed back1The window image region 31 of moment angle coordinate information
And transmit to display unit 131.
In the present invention, the scope for transmitting image-region 30 is important.If transmission image-region 30 is too small, use
Motion of the person 20 within buffer time is likely to result in scope of the window image region 31 beyond transmission image-region 30, causes black surround
Appearance；If transmission image-region 30 is excessive, increasing for transmitted data on network amount can be caused, in the case of unstable networks
Potentially affect feeling of immersion.
First embodiment of the invention adopts the scheme of the scope of constant transmissions image-region 30.Neck rotation is collected by a large amount of
The relevant experimental data of the stronger experimenter of ability, it is determined that correspondence t time delay10The pole of the interior change of mankind's window image region 31
Limit border, the set that these extreme boundaries are surrounded just constitutes time delay t10Corresponding transmission image-region 30.In this reality
In applying example, the extreme boundary and t time delay of image-region 30 is transmitted10There is one-to-one relationship.In response test device
1371 determine response time (t3+t4+t5) after, processing unit 137 is according to response time and system regular time t1、t2Calculate
Time delay t10, and correspondence draws the extreme boundary scope of transmission image-region 30, and according to the extreme boundary scope transmission is determined
Image-region 30.
Second embodiment of the invention determines transmission image-region by the way of the calculating maximum angle side-play amount of user 20
30.We set up virtual rectangular coordinate system, and user is now α along the angle coordinate of x-axis, y-axis and z-axis0、β0、γ0, process
Unit 137 calculates t time delay by way of calculating10Positive maximum offset (the Δ α of the angle coordinate of interior user 201,
Δβ1, Δ γ1) and reverse maximum offset (Δ α2, Δ β2, Δ γ2), arrange the coordinate set that user is likely to occur：
Ф={ (α0-Δα2<α<α0+Δα1), (β0-Δβ2<β<β0+Δβ1), (γ0-Δγ2<γ<γ0+Δγ1), | α,
Beta, gamma }；
Image is as transmitted in the set of the image-region that the corresponding window image region 31 of all coordinates surrounds in set Ф
Region 30.Corresponding angle coordinate can be obtained by the detection of Attitute detecting device 1353.
The maximum offset of angle coordinate has many algorithms, and one of which is exactly using the largest motion angle speed of user 20
Spend to calculate.Here, it is ω that we make the largest motion angular velocity of user 20, then user 20 along x-axis, y-axis and z-axis each
The maximum angular rate that direction rotates is ωα、ωβ、ωγ, in t time delay10Interior user 20 is along each side of x-axis, y-axis and z-axis
It is ω to the maximum angle for rotatingαt10、ωβt10、ωγt10, the excursion of angle coordinate is：
{((α0-ωαt10)≤α≤(α0+ωαt10)), ((β0-ωβt10)≤β≤(β0+ωβt10)), ((γ0-ωγt10)
≤γ≤(γ0+ωγt10)),
Now, the collection of angle coordinate is combined into：
Ф={ ((α0-ωαt10)≤α≤(α0+ωαt10)), ((β0-ωβt10)≤β≤(β0+ωβt10)), ((γ0-ωγ
t10)≤γ≤(γ0+ωγt10)) | α, beta, gamma }.
Compared with prior art, the present invention is using according to the testing result of motion detection unit 135 correspondence transmission view data
Scheme, save many network bandwidths, be achieved long-range panoramic picture real-time Transmission and display.By intercepting form
The mode of image-region 31 and buffering image-region 33, not only reduces volume of transmitted data, and avoids black surround appearance and prolong
The generation of sense late.Environmental simulation unit 139 can be had the certain significance with simulated environment to the feeling of immersion of virtual reality.Attitude detection
Device 1353 can detect the angle coordinate information of user, in real time relevant information be transmitted to processing unit 137 to determine biography
Defeated image-region 30.Constant transmissions image-region 30 is corresponded with time delay can easily determine transmission image-region
30 scope.By determining that the maximum offset of angle coordinate in user 20 time delay can more precise delivery image-region
30 scope, further reduces volume of transmitted data.Arranging response test device 1371 can measure the network speed situation of user 20,
Conveniently draw t time delay simultaneously10。
Embodiments of the invention are described above in conjunction with accompanying drawing, but be the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematic, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. long-range panoramic picture real-time Transmission and display packing, it is characterised in that including server, Transmission system and terminal, institute
Terminal is stated including processing unit, motion detection unit and display unit, the processing unit respectively with the motion detection unit
It is electrically connected with the display unit, long-range panoramic picture real-time Transmission and the method for showing are comprised the following steps：
S1：The kinestate of the motion detection unit detection user simultaneously transmits testing result to the processing unit；
S2：The processing unit is processed the testing result for receiving, and sends a request to the server request image
Data；
S3：The server transport correspondence image data are to the terminal.
2. long-range panoramic picture real-time Transmission according to claim 1 and display packing, it is characterised in that the terminal is entered
One step includes environmental simulation unit, and the environmental simulation unit is electrically connected with the processing unit, the server transport ring
Environment information to the terminal, the terminal transmission corresponding informance to the environmental simulation unit, the environmental simulation unit can be with
According to the information simulation of terminal transmission correspondence environment scene.
3. long-range panoramic picture real-time Transmission according to claim 1 and display packing, it is characterised in that the motion inspection
Surveying unit includes Attitute detecting device, and the Attitute detecting device can detect the angle coordinate information of user.
4. long-range panoramic picture real-time Transmission according to claim 3 and display packing, it is characterised in that the process list
Unit draws the window image region of user according to the angle coordinate information that the motion detection unit is provided, in the form figure
Increase buffers images regions around picture, constitute transmission image-region, and to transmitting image area information described in server request.
5. long-range panoramic picture real-time Transmission according to claim 4 and display packing, it is characterised in that right by determining
The extreme boundary of window image regional change described in the mankind in time delay is answered, the one of the extreme boundary and time delay is formed
One corresponding relation, and the transmission image-region in corresponding time delay is determined according to the extreme boundary scope.
6. long-range panoramic picture real-time Transmission according to claim 4 and display packing, it is characterised in that the transmission figure
As the computational methods in region are：
Processing unit described in S2.11 records the user angle coordinate information (α that the motion detection unit is provided0, β0, γ0)；
Processing unit described in S2.12 calculates positive maximum offset (the Δ α of user angle coordinate in time delay1, Δ β1,
Δγ1) and reverse maximum offset (Δ α2, Δ β2, Δ γ2), the angle coordinate set Ф that arrangement user is likely to occur=
{(α0-Δα2<α<α0+Δα1), (β0-Δβ2<β<β0+Δβ1), (γ0-Δγ2<γ<γ0+Δγ1), | α, beta, gamma }；
The set in the corresponding window image regions of S2.13 set Ф is the transmission image-region.
7. long-range panoramic picture real-time Transmission according to claim 6 and display packing, it is characterised in that during the delay
Between be detected the time point of kinestate for user and finish the time used to server correspondence downlink data transmission.
8. long-range panoramic picture real-time Transmission according to claim 7 and display packing, it is characterised in that user angle
Coordinate maximum offset is the user coordinate direction largest motion angular velocity and the product of time delay.
9. long-range panoramic picture real-time Transmission according to claim 8 and display packing, it is characterised in that the terminal is entered
One step includes response test device, and the response test device can test response time, and the response time is terminal to clothes
Business device issues a signal to terminal and receives the time corresponded to used by return signal.
10. the long-range panoramic picture real-time Transmission and display packing according to any one of claim 1-9, it is characterised in that
The terminal is virtual implementing helmet, augmented reality glasses or panorama Curved screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610511224.8A CN106686389A (en) | 2016-06-30 | 2016-06-30 | Method for achieving remote real-time transmission and display of panoramic image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511224.8A CN106686389A (en) | 2016-06-30 | 2016-06-30 | Method for achieving remote real-time transmission and display of panoramic image |
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ID=58839157
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| CN105323552A (en) * | 2015-10-26 | 2016-02-10 | 北京时代拓灵科技有限公司 | Method and system for playing panoramic video |
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