CN104469275B - A kind of video image acquisition methods, system and device - Google Patents
A kind of video image acquisition methods, system and device Download PDFInfo
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- CN104469275B CN104469275B CN201310438194.9A CN201310438194A CN104469275B CN 104469275 B CN104469275 B CN 104469275B CN 201310438194 A CN201310438194 A CN 201310438194A CN 104469275 B CN104469275 B CN 104469275B
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Abstract
The invention discloses a kind of video image acquisition methods, system and devices: utilizing a high-definition camera, carries out raw video image acquisition to scene to be collected；When often collecting a width raw video image, in the same width raw video image, in conjunction with electronics amplifying technique and image interception technology, a width video image corresponding with each of scene to be collected region to be collected is generated respectively；Wherein, the number in region to be collected is M, and M is the positive integer greater than 1.Using scheme of the present invention, human and material resources can be saved, and can reduce and realize difficulty etc..
Description
Technical field
The present invention relates to field of video applications, in particular to a kind of video image acquisition methods, system and device.
Background technique
In the prior art, for a biggish scene to be collected, it will usually be directed to multiple regions to be collected therein, use
Multiple video cameras carry out video image acquisition respectively.
Fig. 1 is the schematic diagram of an existing scene to be collected.As shown in Figure 1, altogether including three areas to be collected in the scene
Domain, region 1, region to be collected 2 and region to be collected 3 respectively to be collected；For each region to be collected, one is laid respectively
Web camera or analog video camera, every video camera carry out real-time video image to itself corresponding region to be collected respectively
Acquisition.
Wherein, three video cameras can work asynchronously, and collected video image is passed through code conversion into network respectively
Code stream is sent to client；Correspondingly, client is decoded each network code stream received respectively, to obtain three
Width video image, and show user.
But aforesaid way can have certain problems in practical applications, such as:
Due to needing to lay a video camera respectively for each region to be collected, it is therefore desirable to expend biggish manpower and
Material resources, and improve the design difficulty etc. of wiring conduit；Moreover, the region to be collected in scene to be collected changes
When, it is also necessary to the laying etc. of video camera is re-started, to further increase the consuming etc. of human and material resources.
Summary of the invention
In view of this, manpower and object can be saved the present invention provides a kind of video image acquisition methods, system and device
Power resource, and can reduce and realize difficulty etc..
In order to achieve the above object, the technical scheme of the present invention is realized as follows:
A kind of video image acquisition methods, comprising:
Using a high-definition camera, raw video image acquisition is carried out to scene to be collected；
When often collecting a width raw video image, in the same width raw video image, amplify in conjunction with electronics
Technology and image interception technology generate a width corresponding with each of the scene to be collected region to be collected respectively and regard
Frequency image；
Wherein, the number in the region to be collected is M, and M is the positive integer greater than 1.
A kind of video image acquisition system, comprising: high-definition camera and client；
The high-definition camera for carrying out raw video image acquisition to scene to be collected, and is sent to the client
End；
The client, for when often receiving high-definition camera width raw video image collected,
In the same width raw video image, in conjunction with electronics amplifying technique and image interception technology, generate respectively with described wait adopt
Collect each of the scene corresponding width video image in region to be collected；Wherein, the number in the region to be collected is M, M
For the positive integer greater than 1.
A kind of client, comprising: first processing module and Second processing module；
The first processing module, for receiving high-definition camera for scene to be collected every width original video collected
Image, and it is sent to the Second processing module；
The Second processing module, for when often receiving a width raw video image, in the same original view
In frequency image, in conjunction with electronics amplifying technique and image interception technology, generate respectively with each of the scene to be collected to
The corresponding width video image of pickup area；Wherein, the number in the region to be collected is M, and M is the positive integer greater than 1.
As it can be seen that can come to carry out scene to be collected merely with a high-definition camera original using scheme of the present invention
Video image acquisition, and electronics amplifying technique and image interception can be then combined when often collecting a width raw video image
Technology generates a width video image corresponding with each of scene to be collected region to be collected respectively；Due to only needing cloth
If a video camera, therefore compared to existing way, human and material resources can be significantly saved, and can reduce installation pipe
The design difficulty etc. in road can reduce the realization difficulty of scheme；Moreover, even if the region to be collected in scene to be collected occurs
Variation, is laid without to video camera, again to further save human and material resources etc.；In addition, passing through
Using high-definition camera, it can be ensured that even across electronics amplification etc. processing, each width video image ultimately generated still have compared with
Good picture quality；Further more, scheme of the present invention implement it is simple and convenient, consequently facilitating universal and promote.
Detailed description of the invention
Fig. 1 is the schematic diagram of an existing scene to be collected.
Fig. 2 is the flow chart of video image acquisition methods embodiment of the present invention.
Fig. 3 is the schematic diagram that the present invention carries out video image interception.
Fig. 4 is the flow chart of video image acquisition methods preferred embodiment of the present invention.
Fig. 5 is the composed structure schematic diagram that video image of the present invention obtains system embodiment.
Fig. 6 is the composed structure schematic diagram of client embodiment of the present invention.
Specific embodiment
Aiming at the problems existing in the prior art, propose that a kind of improved video image obtains scheme, energy in the present invention
Human and material resources is enough saved, and can reduce and realize difficulty etc..
In order to be clearer and more clear technical solution of the present invention, hereinafter, referring to the drawings and the embodiments, to institute of the present invention
The scheme of stating is described in further detail.
Fig. 2 is the flow chart of video image acquisition methods embodiment of the present invention.As shown in Fig. 2, include the following steps 21~
22。
Step 21: utilizing a high-definition camera, raw video image acquisition is carried out to scene to be collected.
Specifically can be determined according to actual needs using the high-definition camera of which kind of parameter, for example, can be used 5,000,000 pixels or
The high-definition camera of 3000000 pixels.
Usually, for scene to be collected, high-definition camera chance periodically carries out video image acquisition, if the period
It is closely spaced, then it is the equal of carrying out video image acquisition in real time.
High-definition camera is required to collect the video image comprising entire scene to be collected, accordingly, it is desirable to rationally
Setting high-definition camera installation position.
In addition, for the ease of being distinguished with the video image of subsequent appearance, by the collected video figure of high-definition camera
Picture referred to as raw video image.
Step 22: when often collecting a width raw video image, in the same width raw video image, in conjunction with electricity
Sub- amplifying technique and image interception technology generate a width corresponding with each of scene to be collected region to be collected respectively
Video image；Wherein, the number in region to be collected is M, and M is the positive integer greater than 1.
The specific value of M can be determined according to actual needs.
In practical applications, step 22 can be executed by client, and high-definition camera is by collected every width original video
Image is sent respectively to client；Correspondingly, client often receives the width raw video image that high-definition camera is sent
When, then it can be handled according to mode shown in step 22.
Specifically, it for every width raw video image, can be handled as follows respectively:
1) mode one
For each of scene to be collected region to be collected, intercepted out from raw video image respectively a width with should be to
The corresponding video image of pickup area, and electronics amplification is carried out to the video image intercepted out；
2) mode two
Raw video image is subjected to electronics amplification, and for each of scene to be collected region to be collected, respectively from
It carries out intercepting out width video image corresponding with the region to be collected in the amplified raw video image of electronics.
As can be seen that first carry out video image interception in mode one, then carry out electronics amplification again, and in mode two, first
Electronics amplification is carried out, then carries out video image interception again.Specific employing mode one or mode two can according to actual needs and
It is fixed.
Electronics amplification is that a kind of PASS VIDEO decoding technique by image to lose resolution ratio as cost carries out putting for details
Greatly, it is implemented as the prior art.Due to electronics amplification be to lose the resolution ratio of image as cost, institute of the present invention
It states in scheme and raw video image acquisition is carried out using high-definition camera, to make up the deficiency for losing resolution ratio, and then ensure
The video image ultimately generated has preferable picture quality.
When carrying out electronics amplification, how much be specifically amplified to equally be can be determined according to actual needs.
In addition, following processing mode can be used when carrying out video image interception: according to each coordinate model pre-saved
It encloses, intercepts out the video image being located in each coordinate range respectively.
I.e. for raw video image or the progress amplified raw video image of electronics, according to each coordinate pre-saved
Range intercepts out the video image being located in each coordinate range respectively, this process is participated in without user, but each coordinate range is usual
It is preset for user.
Certainly, it can also be used well known to a person skilled in the art other interception ways, do not limited in scheme of the present invention
System.
For example:
Fig. 3 is the schematic diagram that the present invention carries out video image interception, as shown in Figure 3, it is assumed that scene to be collected is
Scene to be collected shown in Fig. 1, then, for the scene to be collected, a high-definition camera can be only laid, the high definition is utilized
Video camera to carry out real-time video image acquisition to entire scene to be collected；
Assuming that being a width raw video image shown in Fig. 3, region shown in dotted line therein is from the original view
The video image corresponding with each region to be collected intercepted out in frequency image；It, can for the region shown in each dotted line
Its coordinate range (coordinate range of a rectangle can be such as limited by top left co-ordinate and bottom right angular coordinate) is preset,
So as to intercept out region shown in the dotted line automatically according to coordinate range.
Based on above-mentioned introduction, Fig. 4 is the flow chart of video image acquisition methods preferred embodiment of the present invention.As shown in figure 4,
Include the following steps 41~44.
Step 41: utilizing a high-definition camera, raw video image acquisition is carried out to scene to be collected.
Step 42: when often collecting a width raw video image, for each of scene to be collected region to be collected,
Width video image corresponding with the region to be collected is intercepted out from raw video image respectively.
Step 43: electronics amplification being carried out to each width video image intercepted out respectively.
Step 44: the amplified each width video image of electronics will be carried out and show user.
In practical applications, the amplified each width video image of electronics can will be carried out to show respectively in different windows,
It is checked for user.
The present invention discloses a kind of video images to obtain system and a kind of client.
Wherein, Fig. 5 is the composed structure schematic diagram that video image of the present invention obtains system embodiment.As shown in figure 5, packet
It includes: high-definition camera 51 and client 52；
High-definition camera 51 for carrying out raw video image acquisition to scene to be collected, and is sent to client 52；
Client 52, for when often receiving 51 width raw video image collected of high-definition camera, described
In same width raw video image, in conjunction with electronics amplifying technique and image interception technology, respectively in generation and scene to be collected
Each of the corresponding width video image in region to be collected；Wherein, the number in region to be collected is M, and M is just greater than 1
Integer.
Specifically,
Client 52 can intercept out from raw video image respectively for each of scene to be collected region to be collected
One width video image corresponding with the region to be collected, and electronics amplification is carried out to the video image intercepted out；
Alternatively,
Raw video image can be carried out electronics amplification by client 52, and for each of scene to be collected area to be collected
Domain, respectively from carrying out intercepting out width video figure corresponding with the region to be collected in the amplified raw video image of electronics
Picture.
Wherein, client 52 can intercept out respectively and be located in each coordinate range according to each coordinate range pre-saved
Video image.
Fig. 6 is the composed structure schematic diagram of client embodiment of the present invention.As shown in Figure 6, comprising: first processing module 61
With Second processing module 62；
First processing module 61, for receiving high-definition camera for scene to be collected every width original video figure collected
Picture, and it is sent to Second processing module 62；
Second processing module 62, for when often receiving a width raw video image, in the same width original video
In image, in conjunction with electronics amplifying technique and image interception technology, generate respectively and each of scene to be collected area to be collected
The corresponding width video image in domain；Wherein, the number in region to be collected is M, and M is the positive integer greater than 1.
Specifically,
Second processing module 62 can be for each of scene to be collected region to be collected, respectively from raw video image
Width video image corresponding with the region to be collected is intercepted out, and electronics amplification is carried out to the video image intercepted out；
Alternatively,
Raw video image can be carried out electronics amplification by Second processing module 62, and for each of scene to be collected to
It is corresponding with the region to be collected to intercept out a width from the progress amplified raw video image of electronics respectively for pickup area
Video image.
Wherein, Second processing module 62 can intercept out respectively according to each coordinate range pre-saved and be located at each coordinate model
Enclose interior video image.
The specific workflow of system shown in Figure 5 embodiment and Fig. 6 shown device embodiment please refers to preceding method reality
The respective description in example is applied, details are not described herein again.
In short, can come to carry out scene to be collected merely with a high-definition camera original using scheme of the present invention
Video image acquisition, and electronics amplifying technique and image interception can be then combined when often collecting a width raw video image
Technology generates a width video image corresponding with each of scene to be collected region to be collected respectively；Due to only needing cloth
If a video camera, therefore compared to existing way, human and material resources can be significantly saved, and can reduce installation pipe
The design difficulty etc. in road can reduce the realization difficulty of scheme；Moreover, even if the region to be collected in scene to be collected (is wrapped
Include number and position etc.) changed, it is laid again without to video camera, need to only adjust interception object, from
And further save human and material resources etc.；In addition, by using high-definition camera, it can be ensured that put even across electronics
Big to wait processing, each width video image ultimately generated still has preferable picture quality；Further more, scheme of the present invention is realized
It is next simple and convenient, consequently facilitating universal and popularization.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of video image acquisition methods characterized by comprising
Using a high-definition camera, raw video image acquisition is carried out to scene to be collected；
When client often receives the collected width raw video image of the high-definition camera, in same width original video
In image, in conjunction with electronics amplifying technique and image interception technology, each of generation and the scene to be collected are wait adopt respectively
Collect the corresponding width video image in region；
Wherein, the number in the region to be collected is M, and M is the positive integer greater than 1；
The combination electronics amplifying technique and image interception technology, each of generation and the scene to be collected are wait adopt respectively
The corresponding width video image in collection region includes: for each of the scene to be collected region to be collected, client point
Width video image corresponding with the region to be collected is not intercepted out from the raw video image, and to the view intercepted out
Frequency image carries out electronics amplification；Alternatively, the raw video image is carried out electronics amplification by client, and for described to be collected
Each of scene region to be collected intercepts out a width and is somebody's turn to do from the progress amplified raw video image of electronics respectively
The corresponding video image in region to be collected.
2. the method according to claim 1, wherein
It is described intercept out each video image include: according to each coordinate range pre-saved, intercept out respectively be located at each coordinate model
Enclose interior video image.
3. a kind of video image obtains system characterized by comprising high-definition camera and client；
The high-definition camera for carrying out raw video image acquisition to scene to be collected, and is sent to the client；
The client, for when often receiving high-definition camera width raw video image collected, same
In width raw video image, in conjunction with electronics amplifying technique and image interception technology, respectively in generation and the scene to be collected
Each of the corresponding width video image in region to be collected；Wherein, the number in the region to be collected is M, and M is greater than 1
Positive integer；
The client is cut from the raw video image respectively for each of the scene to be collected region to be collected
Width video image corresponding with the region to be collected is taken out, and electronics amplification is carried out to the video image intercepted out；Alternatively,
The raw video image is carried out electronics amplification by the client, and for each of the scene to be collected area to be collected
Domain, respectively from carrying out intercepting out width view corresponding with the region to be collected in the amplified raw video image of electronics
Frequency image.
4. system according to claim 3, which is characterized in that
The client intercepts out the video image being located in each coordinate range according to each coordinate range pre-saved respectively.
5. a kind of client characterized by comprising first processing module and Second processing module；
The first processing module, for receiving high-definition camera for scene to be collected every width original video figure collected
Picture, and it is sent to the Second processing module；
The Second processing module, for when often receiving a width raw video image, in same width raw video image,
In conjunction with electronics amplifying technique and image interception technology, generate and each of the scene to be collected region phase to be collected respectively
Corresponding width video image；Wherein, the number in the region to be collected is M, and M is the positive integer greater than 1；
The Second processing module is for each of the scene to be collected region to be collected, respectively from the original video figure
Width video image corresponding with the region to be collected is intercepted out as in, and the video image progress electronics intercepted out is put
Greatly；Alternatively, the raw video image is carried out electronics amplification by the Second processing module, and in the scene to be collected
Each of region to be collected, from carrying out in the amplified raw video image of electronics, to intercept out a width to be collected with this respectively
The corresponding video image in region.
6. client according to claim 5, which is characterized in that
The Second processing module intercepts out the video being located in each coordinate range according to each coordinate range pre-saved respectively
Image.
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| CN105635693B (en) * | 2016-03-04 | 2018-12-07 | 厦门大易孝德文化产业有限公司 | A kind of dynamic image acquisition method for intelligent cemetery park |
| CN105979209A (en) * | 2016-05-31 | 2016-09-28 | 浙江大华技术股份有限公司 | Monitoring video display method and monitoring video display device |
| CN108282609B (en) * | 2017-12-29 | 2020-11-20 | 北京佳讯飞鸿电气股份有限公司 | Panoramic video distribution monitoring system and method |
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