CN107784686A - Various visual angles media displaying method based on multiresolution - Google Patents
Various visual angles media displaying method based on multiresolution Download PDFInfo
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- CN107784686A CN107784686A CN201610726946.5A CN201610726946A CN107784686A CN 107784686 A CN107784686 A CN 107784686A CN 201610726946 A CN201610726946 A CN 201610726946A CN 107784686 A CN107784686 A CN 107784686A
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- video
- visual angles
- multiresolution
- resolution
- user
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a kind of various visual angles media displaying method based on multiresolution, comprise the following steps：Step 1：User login services, server issue space separating signaling information and multiresolution various visual angles signaling information to user；Step 2：User is according to region interested, the piecemeal video location relation indicated with reference to space separating signaling information, and piecemeal video and low-resolution video are asked to server；Step 3：Server sends the piecemeal video and low-resolution video of its request to client；Step 4：The media content of different visual angles and different resolution is combined and is presented to user；Step 5：Repeat step two, Step 3: step 4.The present invention both solves the problems, such as switching blank screen, in turn ensure that multiresolution and the flexibility that various visual angles combine.
Description
Technical field
The present invention relates to a kind of various visual angles media displaying method, in particular it relates to a kind of various visual angles based on multiresolution
Media displaying method.
Background technology
With the fast development of digital media technology, explosive growth is presented in caused content of multimedia in internet,
The particularly extensive use of ultrahigh resolution video traffic (such as 4K, 8K etc.) and immersion video traffic, multimedia service is to net
Network bandwidth causes white elephant further.Meanwhile terminal display device is more and more diversified, such as ultra high-definition TV, flat board
Computer, smart mobile phone, helmet etc., due to the limitation of hardware capabilities, equipment component does not support ultrahigh resolution video
Decoding and presentation.
For reply network bandwidth overloadization and terminal device variation, some current multi-media protocols are proposed super-resolution
The content of multimedia of rate spatially carries out piecemeal, according to user network situation, capacity of equipment and the user region of interest of itself
Domain is come for the piecemeal content of multimedia of different visual angles corresponding to user's transmission and presentation.
It is greatly saved however, although this kind of scheme ensure that while the visual field consumed required for being presented to user
Bandwidth, because user can only once consume a part of visual field, when user needs to consume the other parts visual field, though this kind of scheme
It can so continue that the corresponding visual field is presented, but it inevitably causes interim card, blank screen etc. are bad to regard when picture switches
Yupin effect.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of various visual angles media based on multiresolution to be in
Existing method, it introduces more low resolution video content and synchronously presented, and indicates that specific content of multimedia is present by signaling message
Multiresolution and various visual angles combination, both solve the problems, such as switch blank screen, in turn ensure that multiresolution and various visual angles combine
Flexibility.
According to an aspect of the present invention, there is provided a kind of various visual angles media displaying method based on multiresolution, its feature
It is, comprises the following steps：
Step 1：User login services, server issue space separating signaling information and multiresolution various visual angles to user
Signaling information；
Step 2：User is closed according to region interested with reference to the piecemeal video location that space separating signaling information indicates
System, piecemeal video is asked to server, meanwhile, differentiate various visual angles signaling information, low-resolution video corresponding to request according to more；
Step 3：Server sends the piecemeal video and low-resolution video of its request to client；
Step 4：After client receives piecemeal video and low-resolution video, pass through space separating information and multiresolution
The media content of different visual angles and different resolution is combined and is presented to user by various visual angles information；
Step 5：Repeat step two, Step 3: step 4.
Preferably, the server informs client with the presence or absence of multiresolution media resource, the media of every kind of resolution ratio
Resource whether there is space separating.
Compared with prior art, the present invention has following beneficial effect：The invention provides one kind to be based on multiresolution
Various visual angles media presentation mechanism.Existing switching blank screen problem, introduces lower point during for existing various visual angles media presentation
Resolution video content is synchronously presented, and indicates that multiresolution existing for specific content of multimedia and various visual angles are tied by signaling message
Conjunction mode, both solve the problems, such as to switch blank screen, in turn ensure that multiresolution and the flexibility that various visual angles combine.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is that high definition piecemeal visual angle and low clear complete visual angle combine figure.Figure bend part is what user was actually viewed
Part.
Fig. 2 is that high definition piecemeal visual angle and low sorting block visual angle combine figure.Figure bend part is what user was actually viewed
Part
The visual field content graph that user sees when Fig. 3 is view angle switch.Figure bend part is the portion that user is actually viewed
Point.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
To transmit the content of multimedia bigger when transmitting its required area of visual field for user, while for user by the present invention
The slightly lower video of the definition of field range.Now when user needs to switch visual angle, regarded more greatly because client is locally present
The low clear version video of wild scope, the video of low clear version can be presented by switching the transition period at visual angle.And due to switching
Time visual angle transitional period is more of short duration, and this period of time user watches the experience at low clear visual angle to be also far superior to blank screen
Experience.After the high-resolution visual angle content Successful transmissions required for user are to user, user can continue to watch high-resolution
Video content.
With the fast development of digital media technology, the more matchmakers of caused content of multimedia, especially ultra high-definition in internet
Explosive growth is presented in body, for network bandwidth overloadization caused by reply and terminal device variation, some current multimedias
Agreement proposes the content of multimedia of ultrahigh resolution spatially carrying out piecemeal, according to user network situation, capacity of equipment and
The area-of-interest of user itself comes for the piecemeal content of multimedia of different visual angles corresponding to user's transmission and presentation.
Various visual angles media displaying method of the invention based on multiresolution comprises the following steps：
Step 1：User login services, server issue space separating signaling information and multiresolution various visual angles to user
Signaling information；
Step 2：User is closed according to region interested with reference to the piecemeal video location that space separating signaling information indicates
System, specific media resource, i.e. piecemeal video are asked to server, meanwhile, differentiate various visual angles signaling information, request pair according to more
The low-resolution video answered；
Step 3：Server sends the piecemeal video and low-resolution video of its request to client；
Step 4：After client receives piecemeal video and low-resolution video, pass through space separating information and multiresolution
The media content of different visual angles and different resolution is combined and is presented to user's (combination presentation mode of client by various visual angles information
Presentation is rendered after including but not limited to the media content of different visual angles and different resolution is spliced)；
Step 5：Repeat step two, Step 3: step 4.
The present invention also will when ultra high-definition piecemeal media content is presented in client while ultra high-definition piecemeal video is combined
It is combined with low clear video, user is then presented to, such as Fig. 1 and Fig. 2.Now, although the only ultra high-definition piecemeal that user sees
The visual angle of video composition, but the visual angle that the low clear video of physical presence forms around the visual angle watched due to user, when visual angle is cut
When changing, with the handover operation of user, the content of presentation can be moved and then, therefore will not cause interim card or blank screen, such as be schemed
3。
It is further, it is necessary to as existing for server informs different video content on client-server various visual angles and more points
Resolution situation.I.e. to the media content of various visual angles be present, provide on all different resolutions present on the server of the content
The video of rate, and the content of every kind of different resolution ratio whether there is corresponding space separating video, i.e., for above-mentioned steps
One, server to client except issuing space separating signaling information, it is also necessary to sends various visual angles and multiresolution to client
Configured information.
In step 1, server to client except issuing space separating signaling information, it is also necessary to is sent to client more
Visual angle and multiresolution configured information.
By taking MMT as an example, reasonably add resolution ratio and visual angle combines message, including：
Resolution_amount, indicate low definition resolution ratio number existing for content of multimedia；Resolution,
Indicate specific resolution ratio；
Multiblocks, indicates whether the media resource of this kind of resolution ratio is spatially divided into various visual angles.
And combine the knot between media asset (Asset) self attributes asset_id structure different resolutions and different visual angles
Conjunction relation.
The specific implementation content of the present invention is as follows：
Signaling information form：Build multiresolution various visual angles signaling information multi_resolution_view_message
(), indicate existing multiresolution and various visual angles situation in media resource.As a preferred embodiment, such as table 1 below can be used
Shown form：
Table 1
Signaling sheet form：Build multiresolution various visual angles signaling table multi_resolution_view_table (), instruction
Existing multiresolution and various visual angles situation in media resource.As a preferred embodiment, shape as shown in table 2 below can be used
Formula：
Table 2
Above signaling information, signaling table example in, the field except definition has given above, multi_view_amout
The ultra high-definition video resource number of various visual angles be present spatially by piecemeal in instruction；First asset_id () instruction is by piecemeal
The asset_id of ultra high-definition video resource original video；Second asset_id () instruction is low with ultra high-definition original video content identical
The asset_id of resolution video resource.
Sub- form is described：Based on MP_table (), the highest resolution media resource (Asset) in same media content
Addition multiresolution various visual angles describe sub- multi_resolution_ in media resource description sub (asset_descriptors)
View_descriptor (), existing multiresolution and various visual angles situation in media resource are indicated, it is as shown in table 3 below：
Table 3
Wherein, the number of the different resolution present in the corresponding media content of resolution_amount instructions；asset_
The Asset of some low sorting resolution of the corresponding media content of id instructions asset_id；Multiblocks indicates the interior of the resolution ratio
Appearance whether there is more visuals field；Resolution indicates the specific resolution ratio of this kind of resolution content.
Below, with existing space separating signaling table (block_ in multiresolution various visual angles signaling table and MMT
Association_table the application process of the present invention is illustrated exemplified by), wherein space separating signaling table is as shown in table 4 below.
Table 4
First, user login services, server issue block_association_table () and multi_ to user
resolution_view_table()；
Next, user is closed according to region interested with reference to the piecemeal video location that space separating signaling information indicates
System, specific media resource Asset is asked to gather to server, i.e. piecemeal video.It is meanwhile former according to corresponding to these Asset
Asset asset_id, corresponding multiresolution relation is matched in multi_resolution_view_table,
It is i.e. identical with first asset_id in multi_resolution_view_table；
Then, further according to the low clear definition case under the asset_id, (multiblocks and resolution's takes
Value) and user's self-condition, request low-resolution video Asset.If desired the low resolution multiblocks asked is
False, then the low resolution A sset asked are complete low clear video corresponding to the resolution values；That if desired asks is low
Resolution ratio multiblocks is true, then according to corresponding to the resolution ratio asset_id in block_association_table
In find corresponding to low resolution piecemeal Asset collection merge to server ask；
Finally, server sends the piecemeal video and low-resolution video of its request to client；Client receives piecemeal
After video and low-resolution video, by space separating information and multiresolution various visual angles information by different visual angles and different resolutions
The media content combination of rate is presented to user, and (the combination presentation mode of client includes but is not limited to different visual angles and different points
Presentation is rendered after the media content splicing of resolution)；Repeat step two is to step 4.
In the present invention by taking MMT as an example, illustrate proposed solution, but these schemes equally can be used for it is other
In Document encapsulation, Transmission system and agreement.Space separating information applied in the present invention, is illustrated by taking MMT as an example, but
It is not limited thereto, it is all to be used to indicate to associate between position relationship and piecemeal video and former video between space separating video
The scheme of relation can combine with the present invention.The video resource premise of corresponding multiresolution various visual angles in server be present in the present invention
Under, i.e., there is the space separating video of different visual angles in server, and complete video corresponding to these multi-angle videos has more points
In the case of resolution, client informed by certain signaling information as server existing for various visual angles and multiresolution situation, i.e.,
Server informs that client is divided with the presence or absence of the media resource of multiresolution media resource, every kind of resolution ratio with the presence or absence of space
Block.
It should be noted that the involved description to video resolution in the present invention, ultra high-definition video refer to resolution ratio and are
4K (including resolution ratio be 4096 × 2160 including all main flow 4K videos), 8K (resolution ratio 7680x4320) and the above
Video.Using ultra high-definition video as watershed, all videos lower than ultra high-definition video resolution are all low point of the present invention
Resolution, it is the main flow high definition and SD video including 1920x1080,1280x720 and 720x480 including resolution ratio.In this hair
It is low according to existing for server end during the combination of ultra high-definition piecemeal video content and low resolution video content in bright implementation
The capacity of equipment of resolution video and user itself, network condition and personal choice etc., the choosing to low resolution video content
Select the resolution ratio for being not limited to a certain fixation.
Particular embodiments described above, technical problem, technical scheme and the beneficial effect of the solution to the present invention are carried out
It is further described, should be understood that the specific embodiment that the foregoing is only of the invention, be not limited to
The present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in this
Within the protection domain of invention.
Claims (2)
1. a kind of various visual angles media displaying method based on multiresolution, it is characterised in that comprise the following steps：
Step 1：User login services, server issue space separating signaling information and multiresolution various visual angles signaling to user
Information；
Step 2：User is according to region interested, the piecemeal video location relation indicated with reference to space separating signaling information, to
Server asks piecemeal video, meanwhile, differentiate various visual angles signaling information, low-resolution video corresponding to request according to more；
Step 3：Server sends the piecemeal video and low-resolution video of its request to client；
Step 4：After client receives piecemeal video and low-resolution video, regarded by space separating information and multiresolution more
The media content of different visual angles and different resolution is combined and is presented to user by angle information；
Step 5：Repeat step two, Step 3: step 4.
2. the various visual angles media displaying method according to claim 1 based on multiresolution, it is characterised in that the service
Device informs that client whether there is space separating with the presence or absence of multiresolution media resource, the media resource of every kind of resolution ratio.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610726946.5A CN107784686B (en) | 2016-08-25 | 2016-08-25 | Multi-resolution-based multi-view media presentation method |
| CN202110620456.8A CN113347374A (en) | 2016-08-25 | 2016-08-25 | Multi-resolution-based multi-view media presentation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610726946.5A CN107784686B (en) | 2016-08-25 | 2016-08-25 | Multi-resolution-based multi-view media presentation method |
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| CN202110620456.8A Division CN113347374A (en) | 2016-08-25 | 2016-08-25 | Multi-resolution-based multi-view media presentation method |
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| CN107784686A true CN107784686A (en) | 2018-03-09 |
| CN107784686B CN107784686B (en) | 2021-06-11 |
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| CN202110620456.8A Withdrawn CN113347374A (en) | 2016-08-25 | 2016-08-25 | Multi-resolution-based multi-view media presentation method |
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Cited By (1)
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107784686B (en) | 2021-06-11 |
| CN113347374A (en) | 2021-09-03 |
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