CN107945231A - A kind of 3 D video playback method and device - Google Patents
A kind of 3 D video playback method and device Download PDFInfo
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- CN107945231A CN107945231A CN201711166668.3A CN201711166668A CN107945231A CN 107945231 A CN107945231 A CN 107945231A CN 201711166668 A CN201711166668 A CN 201711166668A CN 107945231 A CN107945231 A CN 107945231A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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Abstract
The present invention discloses a kind of 3 D video playback method and device, for panoramic video playback equipment, includes the following steps：Receive the current visual angle bearing data of user；According to current visual angle bearing data, the coordinate range with the angle of visibility relevant range of user in pre-set three-dimensional mapping model is obtained；According to the coordinate range determined in three-dimensional mapping model, the panoramic video in the range of user's angle of visibility is obtained；Mapping relations based on panoramic video with three-dimensional mapping model, the panoramic video in the range of user's angle of visibility is fitted on fitting model relevant position and renders broadcasting.The present invention can effectively improve user experience, reduce panoramic video and render pressure.
Description
Technical field
The present invention relates to video display arts field, and in particular to a kind of 3 D video playback method and device.
Background technology
As the development of video capture technology in recent years, panoramic pictures, three-dimensional panoramic video are slowly regarded into masses
Open country, when carrying out virtual reality (VR, Virtual Reality) or live 360 degree of panoramic videos, live picture is can root
Accordingly change according to the visual angle of user.Three-dimensional panoramic video, it is to develop extension on the technology of 720 degree or 360 degree panoramas
, static panoramic pictures are switched into dynamic video image, panorama 3 D video I can be in shooting angle up and down
Dynamic video, the sensation for allowing user to have a kind of body to face its mirror are arbitrarily watched in the range of 360 degree.
At present, since scene by server is spliced into 360 degree of panorama 3 D video figures by traditional mode according to algorithm
By Video coding by video data transmission to client, spherical Maps, general are carried out after client decoding by picture for 360 degree images
Image is mapped on ball, then controls display video image according to gyro data, i.e. control is shown in visual field scope
Image, still, this kind of mode consume it is larger, cannot be same due to human body visual angle because user is when watching panoramic video
When see the picture of whole panoramic video, therefore, decoding, textures and render that to play whole panoramic video be one for a user
Kind great wasting of resources, and when current mode render broadcasting to panoramic video can also increase the solution of user equipment
Code and render pressure, be unfavorable for user experience
The content of the invention
Therefore, technical problems to be solved of the embodiment of the present invention are of the prior art panoramic video render broadcasting
The decoding of user equipment can be increased when putting and render pressure, be unfavorable for user experience.
For this reason, an embodiment of the present invention provides following technical solution：
The embodiment of the present invention provides a kind of 3 D video playback method, for panoramic video playback equipment, including following step
Suddenly：
Receive the current visual angle bearing data of user；
According to the current visual angle bearing data, obtain in pre-set three-dimensional mapping model with the user can
The coordinate range of visual angle relevant range；
According to the coordinate range determined in the three-dimensional mapping model, obtain complete in the range of user's angle of visibility
Scape video；
Mapping relations based on the panoramic video with three-dimensional mapping model, by the panorama in the range of user's angle of visibility
Video fits on fitting model relevant position and renders broadcasting.
Alternatively, according to the current visual angle bearing data, obtain in pre-set three-dimensional mapping model with it is described
The step of coordinate range of the angle of visibility relevant range of user, includes：
According to the current visual angle bearing data of the user, determine the current view point of user on the three-dimensional mapping model
Position coordinates；
According to position coordinates of the current view point on the three-dimensional mapping model, determine in the three-dimensional mapping model
On the minimum reference point of image position coordinates, wherein, the minimum reference point of described image is the current view point and the three-dimensional
The intersection point of the extended line of the line of mapping model central point and the three-dimensional mapping model；
According to the position coordinates of the minimum reference point of described image, obtain in the three-dimensional mapping model with the user's
The coordinate range of angle of visibility relevant range.
Alternatively, the fitting model is sphere model or hexahedron model.
Alternatively, the panoramic video by the range of user's angle of visibility fits to the fitting model relevant position
On the step of rendering broadcasting include：
The panoramic video is obtained to the 3 d space coordinate and distance of shooting point；
The sphere fitting model or hexahedron model of the panoramic video are established according to the 3 d space coordinate and distance；
Mapping relations based on the panoramic video with three-dimensional mapping model, by the panorama in the range of user's angle of visibility
Video fits on sphere fitting model or hexahedron the fitting model and renders broadcasting.
Alternatively, further included after the step of obtaining the panoramic video in the range of user's angle of visibility：
Detect the locus of the panoramic video playback equipment.
The embodiment of the present invention provides a kind of 3 D video playing device, for panoramic video playback equipment, including：
Receiving module, for receiving the current visual angle bearing data of user；
First acquisition module, for according to the current visual angle bearing data, obtaining in pre-set three-dimensional mapping mould
In type with the coordinate range of the angle of visibility relevant range of the user；
Second acquisition module, for according to the coordinate range determined in the three-dimensional mapping model, obtaining the use
Panoramic video in the range of the angle of visibility of family；
Playing module, it is for the mapping relations based on the panoramic video with three-dimensional mapping model, the user is visual
Panoramic video in angular region fits on fitting model relevant position and renders broadcasting.
Alternatively, first acquisition module includes：
First determination sub-module, for the current visual angle bearing data according to the user, determines the current view point of user
Position coordinates on the three-dimensional mapping model；
Second determination sub-module, for the position coordinates according to the current view point on the three-dimensional mapping model, really
The position coordinates for the minimum reference point of image being scheduled on the three-dimensional mapping model, wherein, the minimum reference point of described image is institute
State current view point and the intersection point of the extended line and the three-dimensional mapping model of the line of the three-dimensional mapping model central point；
Acquisition submodule, for the position coordinates according to the minimum reference point of described image, obtains in the three-dimensional mapping mould
In type with the relevant area coordinate scope of angle of visibility of the user.
Alternatively, the embodiment of the present invention provides a kind of 3 D video playing device, further includes：
Detection module, for detecting the locus of the panoramic video playback equipment.
The embodiment of the present invention provides a kind of computer-readable recording medium, is stored thereon with computer instruction, the instruction quilt
The step of 3 D video playback method is realized when processor performs.
The embodiment of the present invention provides a kind of 3 D video play system, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, the processor realize three described in claim when performing described program
The step of tieing up video broadcasting method.
Technical solution of the embodiment of the present invention, has the following advantages that：
The present invention discloses a kind of 3 D video playback method and device, for panoramic video playback equipment, including following step
Suddenly：Receive the current visual angle bearing data of user；According to current visual angle bearing data, obtain in pre-set three-dimensional mapping mould
In type with the coordinate range of the angle of visibility relevant range of user；According to the coordinate range determined in three-dimensional mapping model, used
Panoramic video in the range of the angle of visibility of family；Mapping relations based on panoramic video with three-dimensional mapping model, by user's angle of visibility model
Panoramic video in enclosing fits on fitting model relevant position and renders broadcasting.The present invention can effectively improve user and use body
Test, reduce panoramic video and render pressure.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the flow chart of 3 D video playback method in the embodiment of the present invention 1；
Fig. 2 is the position in three-dimensional sphere model between current view point and the minimum reference point of image in the embodiment of the present invention 1
Schematic diagram；
Fig. 3 is that the corresponding positions that panoramic video in the range of user perspective fits to fitting membranous type are obtained in the embodiment of the present invention 1
The schematic diagram put；
Fig. 4 is to be determined in the embodiment of the present invention 1 based on position relationship between panoramic video playback equipment and the head of user
The schematic diagram of the locus of playing panoramic video；
Fig. 5 is the structure diagram of 3 D video playing device in the embodiment of the present invention 2；
Fig. 6 is the hardware schematic of 3 D video play system in the embodiment of the present invention 4.
Embodiment
The technical solution of the embodiment of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment be part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area is general
Logical technical staff all other embodiments obtained without making creative work, belong to what the present invention protected
Scope.
, it is necessary to explanation in the description of the embodiment of the present invention, term " " center ", " on ", " under ", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship,
It is for only for ease of the description embodiment of the present invention and simplifies and describe, rather than indicates or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the embodiment of the present invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can also be the connection inside two elements, can be wireless connection or wired connection.For the common skill of this area
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other into conflict.
Embodiment 1
The embodiment of the present invention provides a kind of 3 D video playback method, for panoramic video playback equipment, as shown in Figure 1,
Include the following steps：
S1, the current visual angle bearing data for receiving user.Specifically, the current visual angle bearing data of the user can pass through
Gyroscope is taken, which can be according to the viewing posture of user, the i.e. view directions for instruction user, aphorama
The current visual angle bearing data of frequency playback equipment user in real before playing panoramic video image.
S2, according to current visual angle bearing data, obtain the angle of visibility with user in pre-set three-dimensional mapping model
The coordinate range of relevant range.Three-dimensional mapping model herein can include three-dimensional sphere model, three-dimensional stereo model etc..This
Outside, specifically, since view directions data can serve to indicate that the viewing posture of user, so be designated as user works as forward sight
Point, can be according to the angle of visibility of view directions data acquisition user, and angle of visibility is centered on current view point.
As a kind of optional implementation, the 3 D video playback method in the present embodiment, obtains pre-set
Step S2 in three-dimensional mapping model with the coordinate range of the angle of visibility relevant range of user includes：
First, according to the current visual angle bearing data of user, determine the current view point of user on three-dimensional mapping model
Position coordinates.Specifically, the view directions data of user are the data of instruction user current view point.Panoramic video playback equipment exists
After the view directions data for receiving user, predetermined three-dimensional mapping model can be utilized, current view point is mapped to three
Tie up on mapping model, so that it is determined that position coordinates of the current view point of user on three-dimensional mapping model, current view point is in three-dimensional
Position coordinates on mapping model includes latitude and longitude coordinates.
Second, according to position coordinates of the current view point on three-dimensional mapping model, determine the figure on three-dimensional mapping model
As the position coordinates of minimum reference point, wherein, the minimum reference point of image is current view point and the company of three-dimensional mapping model central point
The intersection point of the extended line of line and three-dimensional mapping model, in this way, after the position coordinates of current view point is determined, can be according to current
The position coordinates of viewpoint, determines the position coordinates of the minimum reference point of image on three-dimensional mapping model, the position of image minimum point
Coordinate includes the Longitude and latitude coordinates of the minimum reference point of image.
It can be specifically described herein by three-dimensional sphere model of three-dimensional mapping model.As shown in Fig. 2, it is three-dimensional sphere
Position view in model between current view point and the minimum reference point of image.In fig. 2, A points are current view point, and B points are to work as
Preceding viewpoint and the intersection point of the extended line and three-dimensional mapping model of the line of the central point of three-dimensional mapping model, the i.e. minimum correlation of image
Point.
3rd, according to the position coordinates of the minimum reference point of image, obtain the angle of visibility with user in three-dimensional mapping model
Relevant area coordinate scope.Specifically., can basis after definite position coordinates of the current view point on three-dimensional mapping model
Position coordinates of the current view point on three-dimensional mapping model, obtains the visual angular region of user, and the wherein angle of visibility is to work as forward sight
Centered on point.
Specifically, in the position coordinates according to the minimum reference point of image, obtain in three-dimensional mapping model with user can
, can be according to angle of visibility of the user on three-dimensional mapping model and the minimum reference point of image during the coordinate range of visual angle relevant range
Position coordinates, determine coordinate range with the relevant region of angle of visibility of user in three-dimensional mapping model.This can with user's
The coordinate range in the relevant region in visual angle can be centered on the minimum reference point of image, it is corresponding with the angular range of angle of visibility
The coordinate range in region.
In addition, in the position coordinates according to the minimum reference point of image, obtain visual with user in three-dimensional mapping model
Position coordinates that can also be according to the minimum reference point of image during the coordinate range in the relevant region in angle and pre-set offset model
Enclose, determine the relevant coordinate range of angle of visibility with user in three-dimensional mapping model.Specifically, pre-set deviation range it
Afterwards, can centered on the minimum reference point of image into line displacement so that obtain the seat with the relevant region of the angle of visibility of user
Scope is marked, which can determine according to the characteristics of motion of head part.
S3, according in three-dimensional mapping model determine coordinate range, obtain the panoramic video in the range of user's angle of visibility.
According to the detailed process of above-mentioned steps, the panoramic picture of user's current visible point is determined.Shot in panoramic video
When, the position of each panoramic video picture and space three-dimensional is exactly one-to-one, after panoramic video has been shot, to aphorama
The processing procedure of frequency just needs in advance to be mapped the picture of panoramic video one by one with space three-dimensional, and preserves the panoramic video
With the mapping relations of space three-dimensional, the picture position for accurately determining video during so as to playing panoramic video, you can used
The panoramic video of the visual angular region in family.
Panoramic video is in the space placed oneself in the midst of user constructed by video so that user has a kind of on the spot in person immerse
Sense, but the visual range of user is limited, and whole panorama is produced if whole panoramic video is all fitted on fitting model
The broadcasting scene of video, is also bonded for the panoramic video not in the range of user perspective, renders broadcasting, is undoubtedly one kind
Greatly waste, meanwhile, it can also increase the broadcasting pressure of panoramic video player.
In this step, the space three-dimensional region in the visual range of user is obtained, according to panoramic video and space three
The mapping relations of dimension, it becomes possible to it is anti-to release corresponding panoramic video content in storage subdata base, in this way, being regarded with regard to user can be obtained
Panoramic video in angular region is presented to user.
S4, the mapping relations based on panoramic video with three-dimensional mapping model, by the panoramic video in the range of user's angle of visibility
Fit on fitting model relevant position and render broadcasting.As shown in figure 3, to be obtained in the present embodiment in user perspective scope 301
Panoramic video 302 fits to the schematic diagram of the relevant position of fitting membranous type 303, and dash area is user perspective 304 wherein in figure
Panoramic video 302 in the visual angle corresponding to the angular field of view 301 being fitted on fitting model is watched at place.
Specifically, above-mentioned fitting model is sphere model or hexahedron model.
As a kind of optional implementation, the three-dimensional animation playback method in the present embodiment, by the visual angular region of user
Interior panoramic video, which fits to the step of rendering broadcasting on fitting model relevant position, to be included：
First, panoramic video is obtained to the 3 d space coordinate and distance of shooting point；
Second, the sphere fitting model or hexahedron model of panoramic video are established according to 3 d space coordinate and distance；
3rd, the mapping relations based on panoramic video with three-dimensional mapping model, by the aphorama in the range of user's angle of visibility
Frequency fits on sphere fitting model or hexahedron fitting model and renders broadcasting.The panorama being bonded in the range of user's current visual angle
Video carrier need to carry out zooming out/furthering, and panoramic video, which fits on fitting model also to reform into, zooms out/further sphere fitting model
Or six face paste molding type relevant position on and render broadcasting.
5. the method according to claim 1, after the step S3 of the panoramic video in the range of user's angle of visibility is obtained also
Including：
Detect the locus of panoramic video playback equipment.When the spatial view of user shifts, aphorama is detected
The locus reached after the movement of frequency playback equipment, and the locus reached after being moved based on panoramic video playback equipment, are obtained
Spatial view after being moved to user.Obtain the panoramic video content after movement corresponding to the spatial view after user's movement, base
In the mapping relations of panoramic video and three-dimensional mapping model, the panoramic video that user is moved in the range of back angle is fitted into fitting
On the relevant position of model and render.
Specifically, as shown in figure 4, in the present embodiment based on position between panoramic video playback equipment and the head of user
Relation determines the schematic diagram of the locus of playing panoramic video.In Fig. 4, establish x-y-z's with user's head 401 for origin
3 d space coordinate system, based on the distance between user's head 401 and panoramic video playback equipment 402 403, user's head 401
The included angle A between x-axis is wired to panoramic video playback equipment 402, user's head 401 connects with panoramic video playback equipment 402
Line determines space of the playing panoramic video equivalent to user's head to the included angle B between y-axis and the angle C being wired between z-axis
Position, that is, obtain the locus of user's head.
Three-dimensional animation playback method in the present embodiment, by the control to panoramic video, is adjusted in the range of user perspective
Panoramic video zoom in or out, facilitate user to adjust the distance of different panoramic video pictures, lift user experience.
Embodiment 2
The embodiment of the present invention provides a kind of 3 D video playing device, for panoramic video playback equipment, as shown in figure 5,
Including：
Receiving module 51, for receiving the current visual angle bearing data of user；
First acquisition module 52, for according to current visual angle bearing data, obtaining in pre-set three-dimensional mapping model
In coordinate range with the angle of visibility relevant range of user；
Second acquisition module 53, for according to the coordinate range determined in three-dimensional mapping model, obtaining user's angle of visibility model
Enclose interior panoramic video；
Playing module 54, for the mapping relations based on panoramic video with three-dimensional mapping model, by the visual angular region of user
Interior panoramic video fits on fitting model relevant position and renders broadcasting.
As a kind of optional implementation, the 3 D video playing device in the present embodiment, the first acquisition module 52 wraps
Include：
First determination sub-module, for the current visual angle bearing data according to user, determines the current view point of user three
Tie up the position coordinates on mapping model；
Second determination sub-module, for the position coordinates according to current view point on three-dimensional mapping model, determines in three-dimensional
The position coordinates of the minimum reference point of image on mapping model, wherein, the minimum reference point of image maps for current view point with three-dimensional
The intersection point of the extended line of the line of model center point and three-dimensional mapping model；
Acquisition submodule, for the position coordinates according to the minimum reference point of image, obtain in three-dimensional mapping model with
The coordinate range of the angle of visibility relevant range at family.
As a kind of optional implementation, the 3 D video playing device in the present embodiment, further includes：
Detection module, for detecting the locus of panoramic video playback equipment.
Embodiment 3
The present embodiment provides a kind of computer-readable recording medium, computer instruction is stored thereon with, which is processed
The step of device realizes the method in embodiment 1 when performing.
Wherein, storage medium can be magnetic disc, it is CD, read-only memory (Read-Only Memory, ROM), random
Storage memory (Random Access Memory, RAM), flash memory (Flash Memory), hard disk (Hard Disk
Drive, abbreviation：) or solid state hard disc (Solid-State Drive, SSD) etc. HDD；The storage medium can also include above-mentioned
The combination of the memory of species.
It is to lead to it will be understood by those skilled in the art that realizing all or part of flow in above-described embodiment method
Computer program is crossed to instruct relevant hardware to complete, program can be stored in a computer read/write memory medium, the journey
Sequence is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, storage medium can be magnetic disc, CD, read-only deposit
Store up memory body (ROM) or random access memory (RAM) etc..
Embodiment 4
The present embodiment provides a kind of 3 D video play system, as shown in fig. 6, including memory 620, processor 610 and
It is stored in the computer program that can be run on memory 620 and on processor 610, when 610 executive program of processor is realized real
The step of applying method in example 1.
Fig. 6 is the hard of the 3 D video play system of the processing method of execution list items operation provided in an embodiment of the present invention
Part structure diagram, as shown in fig. 6, the 3-D cartoon production system includes one or more processors 610 and memory
In 620, Fig. 6 by taking a processor 610 as an example.
Performing the equipment of the processing method of list items operation can also include：Input unit 660 and output device 660.
Processor 610, memory 620, input unit 660 and output device 660 can pass through bus or other modes
Connect, in Fig. 6 exemplified by being connected by bus.
Processor 610 can be central processing unit (Central Processing Unit, CPU).Processor 610 may be used also
Think other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
The chips such as discrete hardware components, or the combination of above-mentioned all kinds of chips.General processor can be microprocessor or the processing
Device can also be any conventional processor etc..
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
- A kind of 1. 3 D video playback method, for panoramic video playback equipment, it is characterised in that include the following steps：Receive the current visual angle bearing data of user；According to the current visual angle bearing data, the angle of visibility with the user in pre-set three-dimensional mapping model is obtained The coordinate range of relevant range；According to the coordinate range determined in the three-dimensional mapping model, the aphorama in the range of user's angle of visibility is obtained Frequently；Mapping relations based on the panoramic video with three-dimensional mapping model, by the panoramic video in the range of user's angle of visibility Fit on fitting model relevant position and render broadcasting.
- 2. 3 D video playback method according to claim 1, it is characterised in that according to the current visual angle direction number According to the step of obtaining in pre-set three-dimensional mapping model the coordinate range with the angle of visibility relevant range of the user wraps Include：According to the current visual angle bearing data of the user, position of the current view point of user on the three-dimensional mapping model is determined Put coordinate；According to position coordinates of the current view point on the three-dimensional mapping model, determine on the three-dimensional mapping model The position coordinates of the minimum reference point of image, wherein, the minimum reference point of described image is the current view point and the three-dimensional mapping The intersection point of the extended line of the line of model center point and the three-dimensional mapping model；According to the position coordinates of the minimum reference point of described image, obtain visual with the user in the three-dimensional mapping model The coordinate range of angle relevant range.
- 3. according to the method described in claim 1, it is characterized in that, the fitting model is sphere model or hexahedron model.
- 4. the according to the method described in claim 1, it is characterized in that, panoramic video by the range of user's angle of visibility Fitting to the step of rendering broadcasting on the fitting model relevant position includes：The panoramic video is obtained to the 3 d space coordinate and distance of shooting point；The sphere fitting model or hexahedron model of the panoramic video are established according to the 3 d space coordinate and distance；Mapping relations based on the panoramic video with three-dimensional mapping model, by the panoramic video in the range of user's angle of visibility Fit on sphere fitting model or hexahedron the fitting model and render broadcasting.
- 5. according to the method described in claim 1, it is characterized in that, described obtaining the panorama in the range of user's angle of visibility Further included after the step of video：Detect the locus of the panoramic video playback equipment.
- A kind of 6. 3 D video playing device, for panoramic video playback equipment, it is characterised in that including：Receiving module, for receiving the current visual angle bearing data of user；First acquisition module, for according to the current visual angle bearing data, obtaining in pre-set three-dimensional mapping model With the coordinate range of the angle of visibility relevant range of the user；Second acquisition module, for according to the coordinate range determined in the three-dimensional mapping model, obtaining the user can Panoramic video in angular field of view；Playing module, for the mapping relations based on the panoramic video with three-dimensional mapping model, by user's angle of visibility model Panoramic video in enclosing fits on fitting model relevant position and renders broadcasting.
- 7. device according to claim 6, it is characterised in that first acquisition module includes：First determination sub-module, for the current visual angle bearing data according to the user, determines the current view point of user in institute State the position coordinates on three-dimensional mapping model；Second determination sub-module, for the position coordinates according to the current view point on the three-dimensional mapping model, determines The position coordinates of the minimum reference point of image on the three-dimensional mapping model, wherein, the minimum reference point of described image is worked as to be described Preceding viewpoint and the intersection point of the extended line and the three-dimensional mapping model of the line of the three-dimensional mapping model central point；Acquisition submodule, for the position coordinates according to the minimum reference point of described image, obtains in the three-dimensional mapping model With the relevant area coordinate scope of angle of visibility of the user.
- 8. device according to claim 6, it is characterised in that further include：Detection module, for detecting the locus of the panoramic video playback equipment.
- 9. a kind of computer-readable recording medium, is stored thereon with computer instruction, it is characterised in that the instruction is held by processor The step of claim 1-5 any one of them 3 D video playback methods are realized during row.
- 10. a kind of 3 D video play system, including memory, processor and storage can transport on a memory and on a processor Capable computer program, it is characterised in that the processor realizes claim 1-5 any one of them when performing described program The step of 3 D video playback method.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110009750A (en) * | 2019-04-19 | 2019-07-12 | 贝壳技术有限公司 | A kind of room images display methods and device based on threedimensional model |
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| CN111200750B (en) * | 2018-11-16 | 2021-09-14 | 北京字节跳动网络技术有限公司 | Multi-window playing method and device of panoramic video, electronic equipment and storage medium |
| CN111200750A (en) * | 2018-11-16 | 2020-05-26 | 北京字节跳动网络技术有限公司 | Multi-window playing method and device of panoramic video, electronic equipment and storage medium |
| CN110009750B (en) * | 2019-04-19 | 2020-07-24 | 贝壳找房(北京)科技有限公司 | Room image display method and device based on three-dimensional model |
| CN110009750A (en) * | 2019-04-19 | 2019-07-12 | 贝壳技术有限公司 | A kind of room images display methods and device based on threedimensional model |
| CN112104853A (en) * | 2019-06-17 | 2020-12-18 | 上海哔哩哔哩科技有限公司 | Panoramic rendering method of 3D video, computer device and readable storage medium |
| CN112150603B (en) * | 2019-06-28 | 2023-03-28 | 上海交通大学 | Initial visual angle control and presentation method and system based on three-dimensional point cloud |
| CN112150603A (en) * | 2019-06-28 | 2020-12-29 | 上海交通大学 | Initial visual angle control and presentation method and system based on three-dimensional point cloud |
| US11836882B2 (en) | 2019-06-28 | 2023-12-05 | Shanghai Jiao Tong University | Three-dimensional point cloud-based initial viewing angle control and presentation method and system |
| CN111131879A (en) * | 2019-12-30 | 2020-05-08 | 歌尔股份有限公司 | Video data playing method and device and computer readable storage medium |
| CN111314739A (en) * | 2020-02-17 | 2020-06-19 | 聚好看科技股份有限公司 | Image processing method, server and display device |
| CN111314739B (en) * | 2020-02-17 | 2022-05-17 | 聚好看科技股份有限公司 | Image processing method, server and display device |
| CN112804516A (en) * | 2021-04-08 | 2021-05-14 | 北京世纪好未来教育科技有限公司 | Video playing method and device, readable storage medium and electronic equipment |
| CN113206992A (en) * | 2021-04-20 | 2021-08-03 | 聚好看科技股份有限公司 | Method for converting projection format of panoramic video and display equipment |
| CN113132708A (en) * | 2021-04-22 | 2021-07-16 | 北京房江湖科技有限公司 | Method and apparatus for acquiring three-dimensional scene image using fisheye camera, device and medium |
| CN113132708B (en) * | 2021-04-22 | 2022-02-22 | 贝壳找房(北京)科技有限公司 | Method and apparatus for acquiring three-dimensional scene image using fisheye camera, device and medium |
| CN114513702A (en) * | 2022-02-23 | 2022-05-17 | 北京邮电大学 | Web-based block panoramic video processing method, system and storage medium |
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