CN106331626A - Building monitoring system - Google Patents
Building monitoring system Download PDFInfo
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- CN106331626A CN106331626A CN201610754896.1A CN201610754896A CN106331626A CN 106331626 A CN106331626 A CN 106331626A CN 201610754896 A CN201610754896 A CN 201610754896A CN 106331626 A CN106331626 A CN 106331626A
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- Prior art keywords
- monitoring system
- prediction
- building monitoring
- video
- motion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention provides a building monitoring system. The building monitoring system comprises a plurality of monitoring points arranged in a building; the monitoring points are accessed to a digital transmission network; the digital transmission network is connected to a monitoring centre; video information acquired by the monitoring points is uploaded to a monitoring centre through the digital transmission network; and the monitoring centre transmits a control instruction to the monitoring points through the digital transmission network. By means of the building monitoring system disclosed by the invention, image distortion in a compression process can be avoided; and the image transmission rate and effect can be ensured.
Description
Technical field
The invention belongs to monitor technical field, particularly to a kind of building monitoring system.
Background technology
At present, building video security monitoring system is the ingredient of safety and protection system, it be a kind of prevention ability relatively
Strong integrated system.Video monitoring is directly perceived with it, convenient, information content is abundant and is widely used in many occasions.In recent years, with
Computer, network and image procossing, the developing rapidly of transmission technology, video monitoring technology also has significant progress.
At home and abroad on market, main release is the monitoring of numerically controlled analog video and digital video monitoring two class product
Product.The former technology develops the most highly developed, stable performance, and is used widely in practical engineering application, particularly exists
Application in large and medium-sized video monitoring engineering is the most extensive;The latter be recently emerge with computer technology and image/video pressure
It is condensed to the novel video monitoring system of core, system solves the problem analog systems part drawback and emerge rapidly, but still need to into one
Step is improved and development.At present, video monitoring system be in numerical control analog systems mix with digital display circuit application and will gradually to
The stage of digital display circuit transition.
But, current video monitoring system, however it remains certain problem, as during transmission, in order to suitable
Answer the excessive demand of network, and the video gathered is carried out certain compression and processes, after compression processes, can cause to a certain extent regarding
The distortion of frequency.
Therefore, a kind of building monitoring system is needed now badly, it is possible to avoid the image fault caused in compression process, it is ensured that
The speed of image transmitting and effect.
Summary of the invention
The present invention proposes a kind of building monitoring system, solves in prior art during building monitoring, because image passes
The problem that monitoring effect that defeated distortion causes is undesirable.
The technical scheme is that and be achieved in that: building monitoring system, the prison being arranged in building including several
Control point, described control point accesses digital transmission network, and described digital transmission network connects Surveillance center, regarding of control point collection
Frequently information uploads to Surveillance center by digital transmission network, and Surveillance center passes through digital transmission network transfer control instruction to prison
Control point.
As one preferred embodiment, described control point includes video camera, warning device and control equipment, described
Video camera, warning device and control equipment connect has network video server, described network video server to connect into numeral biography
Defeated network.
As one preferred embodiment, described network video server is provided with video compressing module, described video
Compression module carries out infra-frame prediction after receiving the input picture of video camera, and carries out infra-frame prediction volume in intra picture
Code, utilizes intraframe predictive coding to add incidental information, meanwhile, intra-prediction image carries out transform and quantization, will conversion and amount
Coding after change carries out error correction conversion, the data acquisition bit stream after then being converted by incidental information with error correction according to conversion coefficient
Output.
As one preferred embodiment, described intra-prediction image is converted include reduce picture coding
Amount.
As one preferred embodiment, described video compressing module is transported after receiving the input picture of video camera
Dynamic compensation and motion prediction, carry out de-quantization and inverse transformation by the coding after transform and quantization, utilize inter prediction to inverse transformation
After data carry out picture reconstruct, carry out noise reduction process the most again, after noise reduction process, add the attached of motion compensation and motion prediction
Band motion vector, exports after then carrying out error correction conversion.
As one preferred embodiment, motion prediction uses the prediction of variable-block size, reference frame number maximum 4-6.
As one preferred embodiment, described infra-frame prediction uses the cosine transform that integer transform agency is discrete.
As one preferred embodiment, utilize inter prediction that the data after inverse transformation are carried out picture reconstruct, including
Prediction frame is used to carry out P/B picture reconstruct.
As one preferred embodiment, the coding after transform and quantization is carried out de-quantization and inverse transformation, is included in
Infra-frame prediction using the block of particular size as reference cell, the template of predictive coding from pixel, according to about original image, on
Dependency between Xia, when at de-quantization, uses the difference value of ambient data to carry out reconstruction picture.
As one preferred embodiment, motion prediction uses full forecast technology, utilizes multiple motion vector to explore
After unit subdivision, individually obtain real motion vector, the encoding amount of suppression motion details.
After have employed technique scheme, the invention has the beneficial effects as follows: this building monitoring system is by utilizing photographic head
Gather image, and after gathering image, image is compressed coded treatment, during compression processes, carry out infra-frame prediction
And inter prediction, and it is added with the additional information of the motion prediction of motion compensation, and coordinate P/B picture to reconstruct, it is possible to protecting
While card image quality, improve the speed of image transmitting, thus ensure the monitoring effect of building video monitoring.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, this building monitoring system, the control point being arranged in building including several, described control point connects
Entering digital transmission network, described digital transmission network connects has Surveillance center, the video information of control point collection to be passed by numeral
Defeated network uploads to Surveillance center, and Surveillance center passes through digital transmission network transfer control instruction to control point.
Described control point includes video camera, warning device and control equipment, and described video camera, warning device and control set
Standby connection has network video server, described network video server to connect into digital transmission network.
Described network video server is provided with video compressing module, and described video compressing module receives the defeated of video camera
Carry out infra-frame prediction after entering image, and carry out intraframe predictive coding in intra picture, utilize intraframe predictive coding to add
Incidental information, meanwhile, carries out transform and quantization to intra-prediction image, is entered according to conversion coefficient by the coding after transform and quantization
Row error correction converts, and the data acquisition bit stream after then being converted with error correction by incidental information exports.
Described intra-prediction image is converted include reduce picture encoding amount.
Described video compressing module carries out motion compensation and motion prediction after receiving the input picture of video camera, will conversion
Carry out de-quantization and inverse transformation with the coding after quantifying, utilize inter prediction the data after inverse transformation to be carried out picture reconstruct, so
After carry out noise reduction process again, after noise reduction process, add motion compensation and the subsidiary motion vector of motion prediction, then carry out error correction
Export after conversion.
Motion prediction uses the prediction of variable-block size, reference frame number maximum 4-6.
Described infra-frame prediction uses the cosine transform that integer transform agency is discrete.
Utilize inter prediction that the data after inverse transformation are carried out picture reconstruct, carry out P/B picture weight including using prediction frame
Structure.
Coding after transform and quantization is carried out de-quantization and inverse transformation, is included in infra-frame prediction and makees with the block of particular size
On the basis of unit, the template of predictive coding from pixel, according to dependency about original image, in-between, in solution amount
During change, the difference value of ambient data is used to carry out reconstruction picture.
Motion prediction uses full forecast technology, after utilizing multiple motion vector to explore unit subdivision, individually obtains real
Motion vector, suppression motion details encoding amount.
The operation principle of this building monitoring system is: this building monitoring system by utilizing camera collection image, and
After gathering image, image is compressed coded treatment, during compression processes, carries out infra-frame prediction and inter prediction, and
And be added with the additional information of the motion prediction of motion compensation, and P/B picture is coordinated to reconstruct, it is possible to ensureing the same of image quality
Time, improve the speed of image transmitting, thus ensure the monitoring effect of building video monitoring.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a building monitoring system, the control point being arranged in building including several, it is characterised in that described control point connects
Entering digital transmission network, described digital transmission network connects has Surveillance center, the video information of control point collection to be passed by numeral
Defeated network uploads to Surveillance center, and Surveillance center passes through digital transmission network transfer control instruction to control point.
Building monitoring system the most according to claim 1, it is characterised in that described control point includes video camera, reporting to the police sets
Standby and control equipment, described video camera, warning device and control equipment connect network video server, described Internet video
Server connects into digital transmission network.
Building monitoring system the most according to claim 2, it is characterised in that described network video server is provided with video
Compression module, described video compressing module carries out infra-frame prediction after receiving the input picture of video camera, and at infra-frame prediction
Picture carries out intraframe predictive coding, utilizes intraframe predictive coding to add incidental information, converts intra-prediction image meanwhile
And quantization, the coding after transform and quantization is carried out error correction conversion according to conversion coefficient, then incidental information is converted with error correction
After data acquisition bit stream export.
Building monitoring system the most according to claim 3, it is characterised in that intra-prediction image is carried out conversion and includes subtracting
The encoding amount of few picture.
Building monitoring system the most according to claim 4, it is characterised in that video compressing module receives the defeated of video camera
Carry out motion compensation and motion prediction after entering image, the coding after transform and quantization is carried out de-quantization and inverse transformation, utilizes frame
Between predict the data after inverse transformation carried out picture reconstruct, carry out noise reduction process the most again, after noise reduction process, add motion compensation
With the subsidiary motion vector of motion prediction, export after then carrying out error correction conversion.
Building monitoring system the most according to claim 5, it is characterised in that motion prediction uses the prediction of variable-block size,
Reference frame number maximum 4-6.
Building monitoring system the most according to claim 6, it is characterised in that infra-frame prediction uses integer transform agency discrete
Cosine transform.
Building monitoring system the most according to claim 7, it is characterised in that utilize inter prediction to the data after inverse transformation
Carry out picture reconstruct, carry out P/B picture reconstruct including using prediction frame.
Building monitoring system the most according to claim 8, it is characterised in that the coding after transform and quantization is carried out solution amount
Change and inverse transformation, be included in infra-frame prediction using the block of particular size as reference cell, the template of predictive coding from pixel,
According to dependency about original image, in-between, when at de-quantization, the difference value of ambient data is used to carry out reconstruction picture.
Building monitoring system the most according to claim 9, it is characterised in that motion prediction uses full forecast technology, profit
After exploring unit subdivision with multiple motion vectors, individually obtain real motion vector, the encoding amount of suppression motion details.
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CN201610754896.1A CN106331626A (en) | 2016-08-29 | 2016-08-29 | Building monitoring system |
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CN201610754896.1A CN106331626A (en) | 2016-08-29 | 2016-08-29 | Building monitoring system |
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CN101076134A (en) * | 2007-06-27 | 2007-11-21 | 山东大学 | Method for controlling CDMA-1X-wireless video monitor |
CN101916091A (en) * | 2010-07-21 | 2010-12-15 | 山东陆海钻采科技有限公司 | Remote monitoring device for oilfield well network |
CN102176276A (en) * | 2011-02-12 | 2011-09-07 | 深圳市万盛华科技发展有限公司 | Remote monitoring system and method |
CN102625088A (en) * | 2012-04-25 | 2012-08-01 | 广州茂腾信息科技有限公司 | Point-to-point and node-to-surface video monitoring system |
CN103026710A (en) * | 2010-08-03 | 2013-04-03 | 索尼公司 | Image processing device and image processing method |
CN205121321U (en) * | 2015-11-24 | 2016-03-30 | 武汉鑫科信科技有限公司 | Intelligent building monitored control system |
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2016
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101076134A (en) * | 2007-06-27 | 2007-11-21 | 山东大学 | Method for controlling CDMA-1X-wireless video monitor |
CN101916091A (en) * | 2010-07-21 | 2010-12-15 | 山东陆海钻采科技有限公司 | Remote monitoring device for oilfield well network |
CN103026710A (en) * | 2010-08-03 | 2013-04-03 | 索尼公司 | Image processing device and image processing method |
CN102176276A (en) * | 2011-02-12 | 2011-09-07 | 深圳市万盛华科技发展有限公司 | Remote monitoring system and method |
CN102625088A (en) * | 2012-04-25 | 2012-08-01 | 广州茂腾信息科技有限公司 | Point-to-point and node-to-surface video monitoring system |
CN205121321U (en) * | 2015-11-24 | 2016-03-30 | 武汉鑫科信科技有限公司 | Intelligent building monitored control system |
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Application publication date: 20170111 |