CN108322625A - A kind of panoramic video production method based on panorama sketch - Google Patents
A kind of panoramic video production method based on panorama sketch Download PDFInfo
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- CN108322625A CN108322625A CN201711462147.2A CN201711462147A CN108322625A CN 108322625 A CN108322625 A CN 108322625A CN 201711462147 A CN201711462147 A CN 201711462147A CN 108322625 A CN108322625 A CN 108322625A
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- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 230000000007 visual effect Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 12
- 238000012163 sequencing technique Methods 0.000 claims description 2
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
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- 238000006073 displacement reaction Methods 0.000 description 1
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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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
- H04N5/265—Mixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The panoramic video production method based on panorama sketch that the invention discloses a kind of, multiple nodes are set, a Zhang Quanjing picture is formed in each node, one camera is set, and from a node motion to another node, the panoramic pictures on node rotate camera by the center of circle of node, the velocity of rotation that panoramic pictures are arranged is adapted with the movement speed of camera, when making camera from a node motion to another node, corresponding splicing, camera record to form video the panoramic pictures of two nodes just.It the advantage is that, the cost that content stores and transmits can be reduced in the data volume for keeping that panoramic video is greatly reduced under the premise of high visual experience.
Description
Technical field
The present invention relates to video production technical field more particularly to a kind of panoramic video production methods based on panorama sketch.
Background technology
Panoramic video is one kind by more than two cameras while being continuously shot 360 degree of full view images, and passes through
Encode the video content generated.It includes institute all the way that the image of multiple camera shootings becomes after being stitched together by algorithm
There are the video flowing of Viewing-angle information, panoramic video that can record complete scene image information, it is novel aobvious in virtual implementing helmet etc.
Complete field scene can be reproduced well by showing in equipment, give user feeling on the spot in person, have very extensive practical valence
Value.
Since panoramic video has recorded the information at multiple visual angles, under the conditions of same clarity, the picture of panoramic video simultaneously
Face size will be more many times greater than the video that general camera generates, this will bring very big pressure to storing and transmitting for video.
In order to solve the bandwidth demand of panorama camera, part existing product uses the camera photographing section picture of wide-angle,
Larger field angle (Field of View) is obtained by fish eye lens, to obtain the effect for being similar to panorama camera.Flake mirror
Head can provide a prodigious field angle, but cannot cover whole field ranges, still be deposited for the image of user's shooting
It can not see the scene of camera back in larger vision dead zone user.
When playing since scene is imperfect, existing scheme will be usually not picked up by the video generated with fish eye lens
The fixed filled black in region, in the new display equipments such as virtual reality, this processing mode can significantly reduce user
Telepresenc can be appreciated that incoherent black region when user rotates viewing visual angle, be brought obviously to telepresenc and visual experience
It influences.
Invention content
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of panoramic video systems based on panorama sketch
Make method.
The purpose of the present invention adopts the following technical scheme that realization：
A kind of panoramic video production method based on panorama sketch, is arranged multiple nodes, and a Zhang Quanjing is formed in each node
A camera is arranged in picture, and camera is from a node motion to another node, and the panoramic pictures on node are using node as the center of circle
Rotation, the velocity of rotation that panoramic pictures are arranged is adapted with the movement speed of camera, makes camera from a node motion to another
When one node, corresponding splicing, camera record to form video the panoramic pictures of two nodes just.
Further, this method includes image recognizing step, when node forms panoramic pictures, is clapped two neighboring node
The panoramic pictures taken the photograph are identified, and when the content of panoramic pictures of adjacent node shooting is similar to a certain extent, then delete
The panoramic pictures of one of node and its shooting, camera continuously move to next node.
Further, several shooting direction of the node based on camera automatically generate, and connecting node forms shooting road
Diameter.
Further, quantity, position and the sequencing of several nodes then connect shape automatically by user setting
At shooting path.
Further, the panoramic pictures that node is formed are the panorama sketch of conical angles equipment blind spot.
Further, further include playing step, the path for playing video is consistent with the lens focusing of camera point.
Further, the broadcasting step further includes pause step, manually tentative video, and after video pause, picture corresponds to
Single panoramic pictures, user can manual rotation pictures.
Further, the broadcasting step further includes visual angle set-up procedure, using the shooting focus point of camera as foundation, is adjusted
Whole visual angle angle forms new broadcasting visual angle and new video.
Further, camera records sound when being moved along shooting path, and audio files is associated with panoramic pictures,
Form complete video information.
Further, video uploads to network server, is associated with IP address, generates network address, for sharing publication.
Compared with prior art, the beneficial effects of the present invention are：
By the way that multiple nodes are arranged, multiple continuous panoramic pictures and rotation compensation technology are shot, panoramic pictures are spelled
It agrees to play and takes the photograph, camera is along node motion, from a node motion to another node, and is mutually fitted with the rotary speed of panoramic pictures
Match, in the case where reducing multiframe static images, remains to the comprehensive panorama screen that shooting forms entire scene, alleviate biography
Dependence of the video to multiframe picture of uniting greatlys save memory space under the premise of recording content information increasing, simultaneously as
Download becomes smaller, and is reduced to flow demand, plays more smooth.
Description of the drawings
The schematic diagram that Fig. 1 moves for camera under the virtual scene of the embodiment of the present invention；
Fig. 2 is the pause picture view of the video of the embodiment of the present invention.
In figure：1, node；2, path is shot；3, camera；4, scene.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term "center" for the noun of locality
To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and position relationship are orientation based on ... shown in the drawings or position
Relationship is set, the narration present invention is merely for convenience of and simplifies description, device is not indicated or implied the indicated or element is necessary
It constructs and operates with specific orientation, with particular orientation, should not be understood as the specific protection domain of the limitation present invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " several " are meant that two or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can also be that machinery connects
It connects；It can be directly connected, can also be to be connected by intermediary, can be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
A kind of panoramic video production method based on panorama sketch, is arranged multiple nodes 1, and one is formed entirely in each node 1
A camera 3 is arranged in scape picture, and camera 3 is from a node motion to another node, and the panoramic pictures on node 1 are with node 1
It is rotated for the center of circle, the velocity of rotation that panoramic pictures are arranged is adapted with the movement speed of camera 3, makes camera 3 from a node 1
When being moved to another node 1, the panoramic pictures corresponding splicing just of two nodes 1, the record of camera 3 forms video.Video is deposited
Storage also can play in camera terminal without network.
By the way that multiple nodes are arranged, multiple continuous panoramic pictures and rotation compensation technology are shot, panoramic pictures are spelled
It agrees to play and takes the photograph, camera is along node motion, from a node motion to another node, and is mutually fitted with the rotary speed of panoramic pictures
Match, in the case where reducing multiframe static images, remains to the comprehensive panorama screen that shooting forms entire scene, alleviate biography
Dependence of the video to multiframe picture of uniting greatlys save memory space under the premise of recording content information increasing, simultaneously as
Download becomes smaller, and is reduced to flow demand, plays more smooth.The video that this method generates can keep high visual experience
Under the premise of the data volume of panoramic video is greatly reduced, reduce the cost that content stores and transmits.
This video creating method can be applied in entity panoramic shooting body machine, be also applicable in virtual scene.
Meanwhile in order to be further reduced the quantity of panoramic pictures, this method includes image recognizing step, in the formation of node 1
When panoramic pictures, the panoramic pictures shot to two neighboring node 1 are identified, when the panoramic pictures that adjacent node 1 is shot
Content is similar to a certain extent, then deletes the panoramic pictures of one of node 1 and its shooting, reduces operand, is accelerated
The formation speed of video, camera continuously move to next node.
In virtual scene, the generating mode of node 1 can there are many, one kind be several nodes 1 be based on the layout of scene 4 from
It is dynamic to generate, keep certain distance between the display surface of scene 4；Another kind is that quantity, position and the priority of several nodes 1 are suitable
Sequence is then automatically connected to form shooting path 2 by user setting.And in reality, the setting of node can be according to the bat of camera
It takes the photograph direction to automatically generate, is the shooting path of camera to keep the coherent of video, after several node connections.It automatically generates
Condition is the spaced apart condition, including time, displacement distance etc. of setting, for example generates a node every 0.2 second, is clapped based on node
A Zhang Quanjing picture is taken the photograph, after generating picture, carries out image recognition automatically, compares, is deleted excessively with the panoramic pictures of previous node
Close panoramic pictures, remaining panoramic pictures carry out rotary splicing compensation, ensure the coherent of video.
In Virtual Space, the panoramic pictures that node 1 is formed can be 720 ° of panorama sketch, not stay dead angle, more really, more entirely
Face, and in actual life, due to the limitation of equipment, the panoramic pictures that node is formed are the panorama of conical angles equipment blind spot
Figure.
This method further includes playing step can more clearly see that picture, broadcasting regard to keep user's result of browse more preferable
The path of frequency is consistent with the lens focusing of camera 3 point.Meanwhile it further includes pause step to play step, fixes tentatively video manually, depending on
After frequency suspends, picture corresponds to single panoramic pictures, user can manual rotation picture, the panorama for more meticulously watching the node 1 believes
Breath.After suspending video, operation button can be emerged on picture, user can adjust visual angle, zoom by operation button.
Watch and understand entire scene 4 with multi-angle in order to facilitate user, it further includes visual angle set-up procedure to play step, with
The shooting focus point of camera 3 is foundation, adjusts visual angle angle, forms new broadcasting visual angle and new video.
In order to enrich video content, camera 3 records sound when along several node motions, audio files with it is complete
Scape picture is associated, forms complete video information.Since panoramic pictures are through rotary splicing, the record of sound and picture is logical
Road is two, records sound and picture respectively, is then associated sound and picture, forms complete screen information.
Video uploads to network server, is associated with IP address, generates network address, for sharing publication, is conducive to video and pushes away
Extensively；Or the video file with suffix expansion name is formed, it is played with video player by parsing packet.
Video creating method in virtual scene is as follows：Manual setting or several sections are set automatically first in scene 4
Point 1, connecting node 1 form shooting path 2, one 720 ° of panoramic pictures are generated in each node 1, by image recognition,
Whether similarity is excessively high for the panoramic pictures of judgement adjacent node 1, if similarity is excessively high, deletes a wherein Zhang Quanjing picture,
It is constant to shoot path 2, when camera 3 is moved along shooting path 2, panoramic pictures are rotated with node 1 for the center of circle, and panoramic pictures are arranged
Velocity of rotation be adapted with the movement speed of camera 3, when camera 3 being made to be moved to another node 1 from a node 1, two
The corresponding splicing just of the panoramic pictures of node 1, the video linking that camera 3 is shot is smooth, during video capture, synchronous recording
Sound, after camera 3 covers shooting path 2, video capture is completed, since panoramic pictures are 720 °, based on panoramic pictures
Video is also 720 ° of panorama, therefore, before video playing, using the shooting focus point of camera 3 as foundation, adjusts visual angle angle, shape
The broadcasting visual angle of Cheng Xin and new video in video display process, can suspend video, manual rotation picture can also pass through operation
Button rotates image zooming, more meticulously watches the panoramic information of the node 1.Video camera at this time is virtual camera.
And in actual life, the video creating method in entity panoramic camera is as follows：Mobile panoramic camera, is being moved
During dynamic, several nodes are automatically generated based on shooting direction, each node has the complete of conical angles equipment blind spot
Jing Tu, video camera continue to move to, from a node motion to another node, the velocity of rotation of the panorama sketch on node and video camera
Movement is adapted, when making camera from a node motion to another node 1, the panoramic pictures corresponding splicing just of two nodes 1,
Ensure that the video linking of camera shooting is smooth.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of panoramic video production method based on panorama sketch, which is characterized in that multiple nodes are arranged, are formed in each node
A camera is arranged in one Zhang Quanjing picture, and camera is from a node motion to another node, and the panoramic pictures on node are to save
Point is that the center of circle rotates, and the velocity of rotation that panoramic pictures are arranged is adapted with the movement speed of camera, makes camera from a node
When being moved to another node, corresponding splicing, camera record to form video the panoramic pictures of two nodes just.
2. the panoramic video production method based on panorama sketch as described in claim 1, which is characterized in that walked including image recognition
Suddenly, when node forms panoramic pictures, the panoramic pictures of two neighboring node shooting are identified, when adjacent node shooting
The content of panoramic pictures is similar to a certain extent, then deletes the panoramic pictures of one of node and its shooting, camera
Continuously move to next node.
3. the panoramic video production method based on panorama sketch as described in claim 1, which is characterized in that several node bases
It is automatically generated in the shooting direction of camera, connecting node forms shooting path.
4. the panoramic video production method based on panorama sketch as described in claim 1, which is characterized in that several nodes
Quantity, position and sequencing are then automatically connected to form shooting path by user setting.
5. the panoramic video production method based on panorama sketch as described in claim 1, which is characterized in that the panorama that node is formed
Picture is the panorama sketch of conical angles equipment blind spot.
6. the panoramic video production method based on panorama sketch as described in claim 1, which is characterized in that further include playing step
Suddenly, the path for playing video is consistent with the lens focusing of camera point.
7. the panoramic video production method based on panorama sketch as claimed in claim 6, which is characterized in that the broadcasting step is also
Including pause step, video is fixed tentatively manually, and after video pause, picture corresponds to single panoramic pictures, and user can manual rotation picture.
8. the panoramic video production method based on panorama sketch as claimed in claim 6, which is characterized in that the broadcasting step is also
Including visual angle set-up procedure, using the shooting focus point of camera as foundation, visual angle angle is adjusted, forms new broadcasting visual angle and new
Video.
9. the panoramic video production method based on panorama sketch as described in claim 1, which is characterized in that camera is along several
When the node motion, sound is recorded, audio files is associated with panoramic pictures, forms complete video information.
10. the panoramic video production method based on panorama sketch as described in claim 1, which is characterized in that video uploads to net
Network server, is associated with IP address, generates network address, for sharing publication.
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| CN201711462147.2A CN108322625B (en) | 2017-12-28 | 2017-12-28 | Panoramic video production method based on panoramic image |
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Cited By (5)
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| CN111698425A (en) * | 2020-06-22 | 2020-09-22 | 四川易热科技有限公司 | Method for realizing consistency of real scene roaming technology |
| CN112040212A (en) * | 2020-09-09 | 2020-12-04 | 青岛黄海学院 | Panoramic video production system and method |
| CN113091764A (en) * | 2021-03-31 | 2021-07-09 | 泰瑞数创科技(北京)有限公司 | Method for customizing and displaying navigation route of live-action three-dimensional map |
| CN114581611A (en) * | 2022-04-28 | 2022-06-03 | 阿里巴巴（中国）有限公司 | Virtual scene construction method and device |
| CN114827574A (en) * | 2022-04-26 | 2022-07-29 | 北京城市网邻信息技术有限公司 | Image processing method and device, electronic device and storage medium |
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| CN108322625B (en) | 2020-06-23 |
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Granted publication date: 20200623 |