CN109587401A - The more scene capture realization method and systems of electronic platform - Google Patents
The more scene capture realization method and systems of electronic platform Download PDFInfo
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- CN109587401A CN109587401A CN201910001096.6A CN201910001096A CN109587401A CN 109587401 A CN109587401 A CN 109587401A CN 201910001096 A CN201910001096 A CN 201910001096A CN 109587401 A CN109587401 A CN 109587401A
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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
- H04N23/80—Camera processing pipelines; Components thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4038—Scaling the whole image or part thereof for image mosaicing, i.e. plane images composed of plane sub-images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20112—Image segmentation details
- G06T2207/20132—Image cropping
Abstract
The present invention provides a kind of more scene capture realization method and systems of electronic platform, the edit instruction at headend equipment reception subscriber's main station end, and cutting is passed through in a high-resolution raw video image according to edit instruction, zoom operations obtain the scene video image of multiple specified resolutions, by splicing by the scene video image mosaic of multiple specified resolutions be a video image, one non-coding video image is sent to subscriber's main station end by 1 physical transmission lines, the video image of multiple and different scenes is isolated according to stitching position information in subscriber's main station end, subscriber's main station end is to the video playing file or stream medium data for generating high quality after the video image progress image real time transfer of multiple and different scenes through first encoding.Transmission line bandwidth is efficiently utilized, first encoding generates the video playing file of high quality, easy system installation and O&M, promotes the processing and efficiency of transmission of overall data, system overall cost is effectively reduced.
Description
Technical field
The invention belongs to video monitoring, recorded broadcast technical field more particularly to a kind of more scene capture realization sides of electronic platform
Method and system.
Background technique
In the implementation of current normalization recorded broadcast classroom, generally require to utilize a camera same to simplify deployment
The scenes such as scene capture more than Shi Shixian at least two, such as teacher's feature, teacher's panorama, writing on the blackboard feature.
Current more scene capture implementations are to be cut using pan-tilt network camera to acquired image, are being connect
It includes after broadcasting the user's control instruction of host, holder IP Camera is transmitted after encoding specific shooting area by IP network
To recorded broadcast host, recorded broadcast host receives coding life again after the encoded video is decoded display or carries out other image procossings
At video file or stream medium data.But video figure is given there are 2 times or 2 times or more encoding-decoding process in transmission process
As bringing irreversible quality decline, under the usage scenarios such as recorded broadcast classroom, since the decline of video quality can seriously affect
Audients' viewing experience such as student and teacher.
It is set in order to solve the above technical problems, those skilled in the art propose to assemble more than two pick-up lens at one
In standby shell, make the picture pick-up device for becoming an entirety in appearance, different pick-up lens are responsible for different scene captures, such as two
A camera shoots teacher's feature and teacher's panorama respectively, and is clapped non-coding by 2 or more physical transmission lines
Video data transmission is taken the photograph to recorded broadcast host.Recorded broadcast host receives the non-coding video and is shown or carried out other image procossings
Afterwards, coding generates video file or stream medium data.This mode is photographed scene quantity by physics
The limitation of number of shots, scalability is very poor when practical application, and scene non-coding video data captured by multiple pick-up lens
It need to be sent to recorded broadcast host using a plurality of physical transmission lines respectively, engineering construction is cumbersome, and undoubtedly increases on equipment O&M
Malfunctioning node increases O&M difficulty.
In view of this, those skilled in the art propose for the collected raw video image information of 1 video camera to be sent to
Recorded broadcast host, recorded broadcast host is according to a user operation instruction complete the cutting of video pictures in recorded broadcast host side, to realize panorama
Face and close up view scene capture.But it is completely shooting image information, but recorded broadcast host that video camera, which is sent to recorded broadcast host,
But the partial region for only needing to shoot image, causes great bandwidth waste on transfer resource in this way, and is easy to encounter transmission
The bandwidth of route limits, and when according to 4K or 8K resolution camera, the bandwidth of transmission link will become bottleneck.
Summary of the invention
In order to solve the above technical problems, the present invention proposes a kind of more scene capture realization method and systems of electronic platform.
In order to which some aspects of the embodiment to disclosure have a basic understanding, simple summary is shown below.It should
Summarized section is not extensive overview, nor to determine key/critical component or describe the protection scope of these embodiments.
Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
The present invention adopts the following technical scheme:
In some alternative embodiments, a kind of more scene capture implementation methods of electronic platform are provided, comprising:
Each scene process module of headend equipment is according to the corresponding operational order of different scenes video image, in original view
Multiple and different scene video images are obtained by cutting, zoom operations in frequency image；
The different scenes video image is spliced into a whole video image by the headend equipment, and is sent to user
Host side.
In some alternative embodiments, before this method further include:
The headend equipment acquires raw video image；
The headend equipment pre-processes the raw video image, optimizes the pixel matter of the raw video image
Amount；
The headend equipment parses edit instruction, obtains the corresponding operational order of the different scenes video image.
In some alternative embodiments, the edit instruction is from the subscriber's main station end or by the subscriber's main station
It is preset and is formed in the headend equipment in end；
Specified cutting instruction and scaling instruction letter are needed in the edit instruction comprising the shooting for different scenes
Breath.
In some alternative embodiments, the headend equipment is obtained in raw video image by cutting, zoom operations
Multiple and different scene video images be specified resolution image, and the headend equipment acquisition raw video image point
Resolution is higher than multiple and different scene video figures of the headend equipment in raw video image by cutting, zoom operations obtain
The specified resolution of picture.
In some alternative embodiments, the different scenes video image is spliced into an entirety by the headend equipment
While video image, record concatenation location information, and the stitching position information is sent to the subscriber's main station end；
Wherein, multiple and different scene video images adjacent up and down are ranked up splicing, the spelling by certain rule
Location information is connect for marking coordinate and size of multiple and different scene video images in whole video image.
In some alternative embodiments, the more scene capture implementation methods of the electronic platform, further includes:
The subscriber's main station end receives the whole video image that the headend equipment uploads, according to the whole video figure
Picture isolates the different scenes video image of multiple specified resolutions；
The different scenes video image of the multiple specified resolution is edited at the subscriber's main station end, and encodes shape
At video playing file or stream medium data.
In some alternative embodiments, the subscriber's main station end receives the whole video image that the headend equipment uploads
While, receive the stitching position information that the headend equipment uploads；The subscriber's main station end is according to the whole video image
And the stitching position information, isolate the different scenes video image of multiple specified resolutions.
In some alternative embodiments, the different scenes video of multiple specified resolutions is isolated at the subscriber's main station end
While image, scene name label is carried out for different scenes video image.
In some alternative embodiments, the present invention also provides a kind of more scene capture systems of electronic platform, comprising: front end
Equipment；The headend equipment includes:
Scene image edit cell is used for according to the corresponding operational order of different scenes video image, in original video figure
Multiple and different scene video images are obtained by cutting, zoom operations as in；
Image mosaic unit, for the different scenes video image to be spliced into a whole video image；
Data transmission unit, for the whole video image to be sent to subscriber's main station end；
Wherein, the scene image edit cell includes: several scene process modules, and each scene process module is not according to
With scene video image, corresponding operational order obtains the editing area of different scenes.
In some alternative embodiments, the headend equipment further include:
Video image acquisition unit, for acquiring raw video image；
Picture signal pretreatment unit optimizes the original video for pre-processing to the raw video image
The pixel qualities of image；
Edit instruction processing unit obtains the corresponding operation of the different scenes video image for parsing edit instruction
Instruction.
In some alternative embodiments, the edit instruction processing unit includes:
Edit instruction receiving submodule, for obtain from the subscriber's main station end edit instruction or described use householder
Generator terminal is preset in the headend equipment and the edit instruction that is formed；
Edit instruction analyzing sub-module, for parsing the edit instruction, and the different scenes video image is corresponding
Operational order be sent to corresponding scene process module；
Specified cutting instruction and scaling instruction letter are needed in the edit instruction comprising the shooting for different scenes
Breath.
In some alternative embodiments, the scene process module includes:
Image-region cuts submodule, for receiving edit instruction processing unit cutting instruction obtained after parsing,
It is determined in the raw video image after the pre-treatment to clipping region, and cuts out corresponding scene video image-region；
Image-region scales submodule, for receiving edit instruction processing unit scaling instruction obtained after parsing,
The scene video image that submodule is cut out is cut to described image region to zoom in and out, and is adjusted to specific resolution ratio.
In some alternative embodiments, described image concatenation unit includes:
Image mosaic submodule, for carrying out multiple and different scene video images adjacent up and down by certain rule
Sequence splicing；
Stitching position information record sub module is used for record concatenation location information, and the stitching position information is for marking
Coordinate and size of multiple and different scene video images in whole video image.
In some alternative embodiments, the more scene capture systems of the electronic platform, further includes: subscriber's main station end；
The subscriber's main station end includes:
Data receipt unit, the whole video image uploaded for receiving the headend equipment；
Image separative unit, for isolating the different scenes of multiple specified resolutions according to the whole video image
Video image；
Image coding unit is edited for the different scenes video image to the multiple specified resolution, and is compiled
Code forms video playing file or stream medium data.
In some alternative embodiments, the data receipt unit receives the whole video figure that the headend equipment uploads
While picture, the stitching position information that the headend equipment uploads is received；Described image separative unit is according to the whole video
Image and the stitching position information, isolate the different scenes video image of multiple specified resolutions.
In some alternative embodiments, described image separative unit includes: scene markers submodule, for for separation
Multiple and different scene video images out carry out scene name label.
In some alternative embodiments, the headend equipment is clapped the more scenes of non-coding by 1 physical transmission lines
Video data is taken the photograph to send to the subscriber's main station end；Wherein, the physical transmission lines include but is not limited to cable, coaxial electrical
Cable, HDMI wire material, transmission technology include but is not limited to 3G-SDI, HDBaseT, HDMI.
The utility model has the advantages that flexibly realizing that several scenes are clapped using single physical camera lens brought by of the invention
It takes the photograph, is only sent the more scene capture video datas of non-coding to subscriber's main station end by 1 physical transmission lines, and with householder
Generator terminal generates the video file or stream medium data of high quality to first encoding after image real time transfer, flexibly realizes that more scenes are clapped
It takes the photograph, efficiently utilizes transmission line bandwidth, first encoding generates the video playing file of high quality, easy system installation and fortune
Dimension, promotes the processing and efficiency of transmission of overall data, system overall cost is effectively reduced.
For the above and related purposes, one or more embodiments include being particularly described below and in claim
In the feature that particularly points out.Certain illustrative aspects are described in detail in the following description and the annexed drawings, and its instruction is only
Some modes in the utilizable various modes of the principle of each embodiment.Other benefits and novel features will be under
The detailed description in face is considered in conjunction with the accompanying and becomes obvious, the disclosed embodiments be all such aspects to be included and they
Be equal.
Detailed description of the invention
Fig. 1 is flow diagram of the more scene capture implementation methods of electronic platform of the present invention in a kind of wherein embodiment；
Fig. 2 is the flow diagram of the more scene capture implementation methods of electronic platform of the present invention in another embodiment；
Fig. 3 is the schematic diagram that the present invention obtains multiple scene video images by trimming operation；
Fig. 4 is the schematic diagram of the invention for making feature scene image reach specified resolution by zoom operations；
Fig. 5 is the schematic diagram of the invention for making panoramic scene image reach specified resolution by zoom operations；
Fig. 6 is the schematic diagram that the present invention realizes multiple scene video image mosaics by concatenation；
Fig. 7 is schematic diagram of the more scene capture systems of electronic platform of the present invention in a kind of wherein embodiment；
Fig. 8 is the schematic diagram of the more scene capture systems of electronic platform of the present invention in another embodiment.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.
In some illustrative embodiments, as shown in Figure 1, providing a kind of more scene capture implementation methods of electronic platform,
Include:
101: headend equipment acquires raw video image.
Headend equipment can be high-resolution video camera.Raw video image is acquired by high-resolution video camera,
Preferably, video camera is selected as the video camera that image resolution ratio supports 16,000,000 pixels.
102: headend equipment pre-processes raw video image, optimizes the pixel qualities of raw video image.
Optimization includes image denoising, image compensation, image enhancement etc..
103: headend equipment parses edit instruction, obtains the corresponding operational order of different scenes video image.
Wherein, edit instruction is preset and shape in headend equipment from subscriber's main station end or by subscriber's main station end
At.Therefore, headend equipment can be in real time according to the video image after the instruction editorial optimization at subscriber's main station end, can also be according to pre-
If edit instruction come handle optimization after video image, adapt to a variety of processing requirements, more diversity.
Specified cutting instruction and scaling command information are needed in edit instruction comprising the shooting for different scenes.Cause
This, headend equipment receives the edit instruction that subscriber's main station end is sent, and parsing edit instruction obtains the corresponding sanction of multiple scenes respectively
Instruction and scaling instruction are cut, obtains the scene visual of multiple specified resolutions in video image after optimization by cutting and scaling
Frequency image.
104: each scene process module of headend equipment is according to the corresponding operational order of different scenes video image, in original
Multiple and different scene video images are obtained by cutting, zoom operations in beginning video image.
Specifically, headend equipment is when obtaining the corresponding operational order of different scenes video image, by the video after optimization
Image inputs in multiple scene process modules.Each scene process module is being located in advance respectively according to the edit instruction of corresponding scene
By cutting, after zoom operations in raw video image after reason, multiple and different scene video images are obtained, i.e. headend equipment is held
Edlin instruction, is cut and is scaled according to clipping region and zoom area information in raw video image, is obtained multiple
The different scenes video image information of specified resolution.
105: different scenes video image is spliced into a whole video image by headend equipment.
Specifically, multiple and different scene video images adjacent up and down are ranked up by headend equipment by certain rule
Splicing.Rule includes: uniline multiple row, single-row multirow or multiple row multirow.
In some illustrative embodiments, different scenes video image is spliced into a whole video figure by headend equipment
While picture, record concatenation location information, and stitching position information is sent to subscriber's main station end, convenient for subscriber's main station end to whole
Volumetric video image carries out lock out operation, promotes the accuracy and separative efficiency of lock out operation.It is default rule when splicing is regular, then
Headend equipment can not send stitching position information to subscriber's main station end.
Stitching position information is for marking coordinate and size of multiple and different scene video images in whole video image.
106: spliced whole video image is sent to subscriber's main station end by headend equipment, wherein the whole view of transmission
Frequency image is non-coding.When splice rule be not default rule when, headend equipment by it is spliced entirety video image and
Stitching position information is sent to subscriber's main station end.
It in some illustrative embodiments, is by 1 during headend equipment sends data to subscriber's main station end
Physical transmission lines send more scene capture video datas of required non-coding to subscriber's main station end.Wherein, physics passes
Defeated route includes but is not limited to the physical circuits such as cable, coaxial cable, HDMI wire material；Transmission technology includes but is not limited to 3G-
The non-codings transmission of video images technology such as SDI, HDBaseT, HDMI.
In some illustrative embodiments, headend equipment is obtained in raw video image by cutting, zoom operations
Multiple and different scene video images be specified resolution image, can be 2,000,000 pixels.Exist to meet to raw video image
After cutting scaling, scene video image reaches specified resolution, the high resolution of the raw video image of headend equipment acquisition in
The specified resolution for multiple and different scene video images that equipment is obtained in raw video image by cutting, zoom operations.
In some illustrative embodiments, as shown in Fig. 2, the more scene capture implementation methods of electronic platform of the invention,
Further include:
107: subscriber's main station end receives the whole video image that headend equipment uploads.
In some illustrative embodiments, subscriber's main station end receives the same of the whole video image that headend equipment uploads
When, the stitching position information that receiving front-end equipment uploads carries out lock out operation to whole video image convenient for subscriber's main station end, mentions
Rise the accuracy and separation of lock out operation.When splicing rule is default rule, then headend equipment can not send stitching position information
To subscriber's main station end.
108: the different scenes video image of multiple specified resolutions is isolated according to whole video image in subscriber's main station end.
When splicing rule is default rule, then headend equipment divides whole video image according to the stitching position information of default
Separate out the different scenes video image of multiple specified resolutions.
When splicing rule is not default rule, then headend equipment will be whole according to the stitching position information that headend equipment uploads
Volumetric video image isolates the different scenes video image of multiple specified resolutions.
In some illustrative embodiments, the different scenes video figure of multiple specified resolutions is isolated at subscriber's main station end
While picture, scene name label is carried out for different scenes video image, is called as needed for subscriber's main station end, just
In subsequent processing operation, data-handling efficiency is promoted.
109: the different scenes video image of multiple specified resolutions is edited at subscriber's main station end, particularly basis
Resources mode or film mode edit multiple scene video images.Such as: according to the stitching position information received, from
Multiple scene video images such as teacher's feature, teacher's panorama, student's panorama are isolated in the whole video image of splicing.
110: after subscriber's main station end carries out image real time transfer to the video image of multiple and different scenes according to the needs of use,
Video playing file or stream medium data are formed through first encoding.
Therefore, the more scene capture implementation methods of electronic platform of the present invention can be realized simultaneously in the case where single physical camera lens
The shooting of several scenes, and only by 1 physical transmission lines by the more scene capture video datas of required non-coding simultaneously
Be sent to subscriber's main station end, and after subscriber's main station end is to image real time transfer first encoding generate high quality video file or
Stream medium data, this method can flexibly realize more scene captures, efficiently utilize transmission line bandwidth, and first encoding generates high quality
Video playing file, system overall cost is effectively reduced in easy system installation and O&M.
As shown in figure 3, the long X pixel of raw video image size of headend equipment acquisition, wide Y pixel.According to editor
The cutting of instruction is instructed determines two scene video images, respectively feature scene and panoramic scene in raw video image.
Feature scene mainly shoots character facial feature, and A is designated as in Fig. 3, is instructed and is determined according to the cutting of edit instruction
The rectangle parameter of panoramic scene, clipping region is expressed as: image origination pixel coordinate is (x1, y1), a length of a pixel of image
Point, width are b pixel.
Panoramic scene mainly shoots more people's pictures, and B is designated as in Fig. 3 according to the cutting of edit instruction and instructs determining panoramic fields
The rectangle parameter of scape, clipping region is expressed as: image origination pixel coordinate is (x2, y2), a length of c pixel of image, width d
A pixel.
As shown in Figures 4 and 5, headend equipment is instructed according to cutting obtains feature scene image and panoramic scene image, and two
The length and width pixel of scene image is respectively (a, b), (c, d), is instructed according to the scaling of edit instruction by the length and width picture of two images
Scaling is adjusted to (e, f), (e, f) to element respectively.
As shown in fig. 6, headend equipment is according to feature scene image, the panoramic scene figure after scaling instruction two scalings of acquisition
The length and width pixel of picture, two scene images is respectively (e, f), (e, f), splices two images by the mode of being arranged above and below,
Generate a video image, length and width pixel is (e, 2f), and record concatenation location information, i.e. stitching position information are as follows: video
Top (e, f) pixel region is feature scene image in image, and lower section (e, f) pixel region is panoramic scene image.
When subscriber's main station end separates the whole video image that headend equipment uploads, by concatenation in Fig. 6 into
Row inverse operation, specific: according to known splicing queueing discipline, using the pixel region that length and width pixel is (e, f) as unit, from
Carry out cutting under and isolate two video images, and to two video images be respectively labeled as feature scene video image and
Panoramic scene video image.
In some illustrative embodiments, as shown in fig. 7, the present invention provides a kind of more scene capture systems of electronic platform
It include: headend equipment.Headend equipment can be high-resolution video camera.Original video is acquired by high-resolution video camera
Image, it is preferred that video camera is selected as the video camera that image resolution ratio supports 16,000,000 pixels.
Headend equipment includes: video image acquisition unit, picture signal pretreatment unit, edit instruction processing unit, field
Scape image editing unit, image mosaic unit and data transmission unit.
Video image acquisition unit, for acquiring raw video image.
Picture signal pretreatment unit optimizes the picture of raw video image for pre-processing to raw video image
Quality amount.Optimization includes image denoising, image compensation, image enhancement etc..
Edit instruction processing unit obtains the corresponding operational order of different scenes video image for parsing edit instruction.
Scene image edit cell is used for according to the corresponding operational order of different scenes video image, in original video figure
Multiple and different scene video images are obtained by cutting, zoom operations as in.Wherein, scene image edit cell includes: several
Scene process module, each scene process module obtain different scenes according to the corresponding operational order of different scenes video image
Editing area.Specifically, scene image edit cell will optimize in the corresponding operational order of acquisition different scenes video image
Video image afterwards inputs in multiple scene process modules.Each scene process module is divided according to the edit instruction of corresponding scene
By cutting, after zoom operations in raw video image not after the pre-treatment, obtain multiple and different scene video images, i.e., before
End equipment executive editor instruction, is cut and is scaled according to clipping region and zoom area information in raw video image,
Obtain the different scenes video image information of multiple specified resolutions.
Image mosaic unit, for the different scenes video image to be spliced into a whole video image；
Data transmission unit, for the whole video image to be sent to subscriber's main station end.The whole video figure of transmission
It seem non-coding.When splicing rule is not default rule, headend equipment is by spliced entirety video image and splicing
Location information is sent to subscriber's main station end.In some illustrative embodiments, headend equipment sends data to subscriber's main station end
During, it is to be sent the more scene capture video datas of required non-coding to using householder by 1 physical transmission lines
Generator terminal.Wherein, physical transmission lines include but is not limited to the physical circuits such as cable, coaxial cable, HDMI wire material；Transmission technology packet
The non-codings transmission of video images technology such as include but be not limited to 3G-SDI, HDBaseT, HDMI.
In some illustrative embodiments, edit instruction processing unit includes: edit instruction receiving submodule and editor
Instruct analyzing sub-module.
Edit instruction receiving submodule, for obtaining from the edit instruction at subscriber's main station end or subscriber's main station end preceding
The edit instruction preset and formed in end equipment.Therefore, headend equipment can be compiled according to the instruction at subscriber's main station end in real time
Video image after collecting optimization, the video image after optimization can also be handled according to preset edit instruction, adapts to a variety of places
Reason requires, more diversity.Wherein, in edit instruction comprising the shooting for different scenes need specified cutting instruction and
Scale command information.
Edit instruction analyzing sub-module refers to for parsing edit instruction, and by the corresponding operation of different scenes video image
Order is sent to corresponding scene process module.Therefore, headend equipment receives the edit instruction that subscriber's main station end is sent, parsing editor
Instruction obtains the corresponding cutting instruction of multiple scenes and scaling instruction respectively, and the video image after optimization is in different scene process
The scene video image of multiple specified resolutions is obtained in module by cutting and scaling.
In some illustrative embodiments, scene process module includes: that image-region cuts submodule and image-region
Scale submodule.
Image-region cuts submodule, for receiving the cutting instruction obtained after parsing of edit instruction processing unit, pre-
It is determined in treated raw video image to clipping region, and cuts out corresponding scene video image-region.
Image-region scales submodule, for receiving the scaling instruction obtained after parsing of edit instruction processing unit, to figure
It zooms in and out, is adjusted to specific resolution ratio as region cuts the scene video image that submodule is cut out.Specific resolution ratio
It can be 2,000,000 pixels.To meet to raw video image after cutting scaling, scene video image reaches specified resolution,
The high resolution of the raw video image of headend equipment acquisition is obtained in raw video image by cutting, zoom operations in equipment
The specified resolution of the multiple and different scene video images obtained.
In some illustrative embodiments, image mosaic unit includes: image mosaic submodule and stitching position information
Record sub module.
Image mosaic submodule, for carrying out multiple and different scene video images adjacent up and down by certain rule
Sequence splicing.Rule includes: uniline multiple row, single-row multirow or multiple row multirow.
Stitching position information record sub module, is used for record concatenation location information, and stitching position information is multiple for marking
Coordinate and size of the different scenes video image in whole video image.Different scenes video image is spliced by headend equipment
While one whole video image, record concatenation location information, and stitching position information is sent to subscriber's main station end, it is convenient for
Subscriber's main station end carries out lock out operation to whole video image, promotes the accuracy and separative efficiency of lock out operation.When splicing is advised
It is then default rule, then headend equipment can not send stitching position information to subscriber's main station end.
In some illustrative embodiments, as shown in figure 8, the more scene capture systems of electronic platform of the invention, are also wrapped
It includes: subscriber's main station end.
Subscriber's main station end includes: data receipt unit, image separative unit and image coding unit.
Data receipt unit, the whole video image uploaded for receiving front-end equipment.
While the whole video image that data receipt unit receiving front-end equipment uploads, the spelling of receiving front-end equipment upload
Location information is connect, lock out operation is carried out to whole video image convenient for subscriber's main station end, promote the accuracy of lock out operation and is divided
From.When splicing rule is default rule, then headend equipment can not send stitching position information to subscriber's main station end.
Image separative unit, for isolating the different scenes video of multiple specified resolutions according to whole video image
Image.
When splicing rule is default rule, then image separative unit is according to the stitching position information of default by whole video figure
Different scenes video image as isolating multiple specified resolutions.
When splicing rule is not default rule, then image separative unit is uploaded according to headend equipment stitching position information
Whole video image is isolated to the different scenes video image of multiple specified resolutions.
Image coding unit is edited for the different scenes video image to multiple specified resolutions, and through primary
Coding forms video playing file or stream medium data.Particularly according to resources mode or film mode to multiple scene videos
Image is edited.Such as: according to the stitching position information received, teacher spy is isolated from the whole video image of splicing
It writes, multiple scene video images such as teacher's panorama, student's panorama.
In some illustrative embodiments, image separative unit includes: scene markers submodule, is isolated for being directed to
Multiple and different scene video images carry out scene name label.It is called as needed for subscriber's main station end, convenient for subsequent
Processing operation, promoted data-handling efficiency.
Therefore, the more scene capture systems of kind electronic platform of the invention can be realized simultaneously in the case where single physical camera lens
The shooting of several scenes, and only by 1 physical transmission lines by the more scene capture video datas of required non-coding simultaneously
Be sent to subscriber's main station end, and after subscriber's main station end is to image real time transfer first encoding generate high quality video file or
Stream medium data, this method can flexibly realize more scene captures, efficiently utilize transmission line bandwidth, and first encoding generates high quality
Video playing file, system overall cost is effectively reduced in easy system installation and O&M.
It should also be appreciated by one skilled in the art that various illustrative logical boxs, mould in conjunction with the embodiments herein description
Electronic hardware, computer software or combinations thereof may be implemented into block, circuit and algorithm steps.In order to clearly demonstrate hardware and
Interchangeability between software surrounds its function to various illustrative components, frame, module, circuit and step above and carries out
It is generally described.Hardware is implemented as this function and is also implemented as software, depends on specific application and to entire
The design constraint that system is applied.Those skilled in the art can be directed to each specific application, be realized in a manner of flexible
Described function, still, this realization decision should not be construed as a departure from the scope of protection of this disclosure.
Claims (17)
1. the more scene capture implementation methods of electronic platform characterized by comprising
Each scene process module of headend equipment is according to the corresponding operational order of different scenes video image, in original video figure
Multiple and different scene video images are obtained by cutting, zoom operations as in；
The different scenes video image is spliced into a whole video image by the headend equipment, and is sent to subscriber's main station
End.
2. the more scene capture implementation methods of electronic platform according to claim 1, which is characterized in that also wrapped before this method
It includes:
The headend equipment acquires raw video image；
The headend equipment pre-processes the raw video image, optimizes the pixel qualities of the raw video image；
The headend equipment parses edit instruction, obtains the corresponding operational order of the different scenes video image.
3. the more scene capture implementation methods of electronic platform according to claim 2, which is characterized in that the edit instruction comes
From being preset in the subscriber's main station end or in the headend equipment by the subscriber's main station end and formed；
Specified cutting instruction and scaling command information are needed in the edit instruction comprising the shooting for different scenes.
4. the more scene capture implementation methods of electronic platform according to claim 1 or 3, which is characterized in that the front end is set
Standby is specified resolution figure by multiple and different scene video images that cutting, zoom operations obtain in raw video image
Picture, and the high resolution of the raw video image of headend equipment acquisition is led in raw video image in the headend equipment
Cross the specified resolution of cutting, multiple and different scene video images that zoom operations obtain.
5. the more scene capture implementation methods of electronic platform according to claim 4, which is characterized in that the headend equipment will
While the different scenes video image is spliced into a whole video image, record concatenation location information, and by the spelling
It connects location information and is sent to the subscriber's main station end；
Wherein, multiple and different scene video images adjacent up and down are ranked up splicing, the splice bits by certain rule
Confidence is ceased for marking coordinate and size of multiple and different scene video images in whole video image.
6. the more scene capture implementation methods of electronic platform according to claim 5, which is characterized in that further include:
The subscriber's main station end receives the whole video image that the headend equipment uploads, and according to the whole video image, divides
Separate out the different scenes video image of multiple specified resolutions；
The different scenes video image of the multiple specified resolution is edited at the subscriber's main station end, and is encoded and to be formed view
Frequency played file or stream medium data.
7. the more scene capture implementation methods of electronic platform according to claim 6, which is characterized in that the subscriber's main station end
While receiving the whole video image that the headend equipment uploads, the stitching position information that the headend equipment uploads is received；
The subscriber's main station end multiple specified resolutions are isolated not according to the whole video image and the stitching position information
With scene video image.
8. the more scene capture implementation methods of electronic platform according to claim 7, which is characterized in that the subscriber's main station end
While isolating the different scenes video image of multiple specified resolutions, scene title is carried out for different scenes video image
Label.
9. the more scene capture systems of electronic platform characterized by comprising headend equipment；The headend equipment includes:
Scene image edit cell is used for according to the corresponding operational order of different scenes video image, in raw video image
Multiple and different scene video images are obtained by cutting, zoom operations；
Image mosaic unit, for the different scenes video image to be spliced into a whole video image；
Data transmission unit, for the whole video image to be sent to subscriber's main station end；
Wherein, the scene image edit cell includes: several scene process modules, and each scene process module is according to different fields
The corresponding operational order of scape video image obtains the editing area of different scenes.
10. the more scene capture systems of electronic platform according to claim 9, which is characterized in that the headend equipment also wraps
It includes:
Video image acquisition unit, for acquiring raw video image；
Picture signal pretreatment unit optimizes the raw video image for pre-processing to the raw video image
Pixel qualities；
Edit instruction processing unit obtains the corresponding operational order of the different scenes video image for parsing edit instruction.
11. the more scene capture systems of electronic platform according to claim 10, which is characterized in that the edit instruction processing
Unit includes:
Edit instruction receiving submodule, for obtaining edit instruction or the subscriber's main station end from the subscriber's main station end
The edit instruction preset and formed in the headend equipment；
Edit instruction analyzing sub-module, for parsing the edit instruction, and by the corresponding behaviour of the different scenes video image
Make instruction and is sent to corresponding scene process module；
Specified cutting instruction and scaling command information are needed in the edit instruction comprising the shooting for different scenes.
12. the more scene capture systems of electronic platform according to claim 11, which is characterized in that the scene process module
Include:
Image-region cuts submodule, for receiving edit instruction processing unit cutting instruction obtained after parsing, pre-
It is determined in treated the raw video image to clipping region, and cuts out corresponding scene video image-region；
Image-region scales submodule, for receiving edit instruction processing unit scaling instruction obtained after parsing, to institute
It states the scene video image that image-region cutting submodule is cut out to zoom in and out, adjust to specific resolution ratio.
13. the more scene capture systems of electronic platform according to claim 12, which is characterized in that described image concatenation unit
Include:
Image mosaic submodule, for being ranked up multiple and different scene video images adjacent up and down by certain rule
Splicing；
Stitching position information record sub module, is used for record concatenation location information, and the stitching position information is multiple for marking
Coordinate and size of the different scenes video image in whole video image.
14. the more scene capture systems of electronic platform according to claim 13, which is characterized in that further include: subscriber's main station
End；The subscriber's main station end includes:
Data receipt unit, the whole video image uploaded for receiving the headend equipment；
Image separative unit, for isolating the different scenes video of multiple specified resolutions according to the whole video image
Image；
Image coding unit is edited for the different scenes video image to the multiple specified resolution, and encodes shape
At video playing file or stream medium data.
15. the more scene capture systems of electronic platform according to claim 14, which is characterized in that the data receipt unit
While receiving the whole video image that the headend equipment uploads, the stitching position information that the headend equipment uploads is received；
Described image separative unit isolates multiple specified resolutions according to the whole video image and the stitching position information
Different scenes video image.
16. the more scene capture systems of electronic platform according to claim 15, which is characterized in that described image separative unit
It include: scene markers submodule, for carrying out scene name label for the multiple and different scene video images isolated.
17. the more scene capture systems of electronic platform according to claim 16, which is characterized in that the headend equipment passes through
1 physical transmission lines sends the more scene capture video datas of non-coding to the subscriber's main station end；Wherein, the physics passes
Defeated route includes but is not limited to cable, coaxial cable, HDMI wire material, transmission technology include but is not limited to 3G-SDI, HDBaseT,
HDMI。
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