CN105187794B - A kind of video monitoring system and the extensive dispatching method of video - Google Patents
A kind of video monitoring system and the extensive dispatching method of video Download PDFInfo
- Publication number
- CN105187794B CN105187794B CN201510574891.6A CN201510574891A CN105187794B CN 105187794 B CN105187794 B CN 105187794B CN 201510574891 A CN201510574891 A CN 201510574891A CN 105187794 B CN105187794 B CN 105187794B
- Authority
- CN
- China
- Prior art keywords
- video
- information
- display devices
- centrum
- layered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The present invention relates to a kind of video monitoring system and the extensive dispatching method of video, which includes multiple video acquisition devices, video coding apparatus and video display devices;The video acquisition device is used to gather the video information at preset geographical position and the video information is sent to the video coding apparatus;The video coding apparatus is used to carry out hierarchical coding to the video information of the multiple video acquisition device collection, obtains layered video information after multiple codings corresponding with each video acquisition device;The video coding apparatus is additionally operable to after video request information is received, and layered video information is sent to the video display devices;The video display devices are used to be identified according to video capture device, and the layered video information is included in the three-dimensional geographic information system of correspondence position is identified with the video capture device.The present invention improves the scale that video display devices decoding shows video.
Description
Technical field
The present invention relates to three-dimensional geographic information field, more particularly to a kind of video monitoring system and the extensive dispatching method of video.
Background technology
Computer vision field is related to the encoding and decoding of video and the transmission of data.Coding and decoding video refer to digital video into
Row compression or decompression.Can layered video encoding and decoding (Scaled Video Coding, SVC) be that one kind can be by video flow point
Multiple resolution ratio, the technology of frame per second are segmented into, is H264 video encoding and decoding standards used by current most of video conference devices
Extension.SVC is greatly improved error resilience and video quality, and to bandwidth without very high requirement.SVC is widely used in
During transmission of video is shown, the efficiency of transmission of video can be improved, so as to improve the overall effect of monitor video system.
Traditional video monitoring is shown in multiple video monitorings in a grid formation based on two dimension in one piece of display
Hold, lack corresponding geography information, it is difficult to allow user to be combined into spatial information and two-dimensional video information to come, locus sense
It is poor.In addition the two-dimensional video number that can be shown in one piece of display is limited, can not show the video on thousands of roads.
As GIS-Geographic Information System (Geographic Information System, GIS) is in the popularization of engineering field,
There occurs huge change for traditional video monitoring mode.GIS is a kind of specific highly important space information system.It is
Under the support of computer hardware and software system, to related geographical point in earth top layer (including atmosphere) space all or in part
Cloth data are acquired, store, managing, computing, the technological system analyzed, be shown and described.
Video display devices of the prior art can only load several roads to the two-dimentional real-time video on tens tunnels, it is impossible to meet to use
Control of the family to global situation.
Therefore, how to improve video display devices decoding and show that the scale of video becomes urgent problem to be solved.
The content of the invention
The technical problems to be solved by the invention are:Video display devices can only load several roads to tens tunnels in the prior art
Two-dimensional video, decoding show video scale is smaller the problem of.
In order to solve the above technical problems, one aspect of the present invention proposes a kind of video monitoring system, which includes:
Multiple video acquisition devices, video coding apparatus and video display devices;
The video display devices are used to run three-dimensional geographic information system;
The video acquisition device is used to gather the video information at preset geographical position and send the video information
To the video coding apparatus;
The video coding apparatus is used to carry out hierarchical coding to the video information of each video acquisition device collection,
Obtain the layered video information after multiple codings corresponding with each video acquisition device;
The video display devices are used for according to the acquisition range of the video acquisition device to the video coding apparatus
Send video request information;
The video coding apparatus is additionally operable to after the video request information is received, to the video display devices
Send layered video information corresponding with the video request information;
The video display devices are used for the video capture device mark in the layered video information, will be described point
Layer video presentation of information is in the three-dimensional geographic information system of correspondence position is identified with the video capture device.
Alternatively, the video display devices are used to be mapped to video display devices according to depending on Intrapyramidal video pel
The distance of elemental area or virtual three-dimensional video camera to each video pel in display is asked to the video coding apparatus
The layered video information of corresponding resolution and frame per second.
Alternatively, the video display devices are single-frame images for layered video information described in hierarchical decoding, and will be single
Two field picture texture mapping is into the three-dimensional geographic information system for identifying correspondence position with the video capture device.
Alternatively, the video display devices are additionally operable to the parameter according to virtual three-dimensional video camera, reject and regard outside centrum
Video pel;
The parameter of the virtual three-dimensional video camera includes position, direction and/or the ken, the position of the virtual three-dimensional video camera
It is set to regarding the vertex of centrum.
Alternatively, the video display devices are specifically used for successively substituting into the video primitive vertices coordinate regarding centrum
The plane equation in six faces, regards inside centrum if each vertex of the video pel is directed toward in each plane regarding centrum
Side, then respective vertices described regarding the inside of centrum, otherwise respective vertices described regarding the outside of centrum, reject described in regard vertebra
External video pel.
On the other hand, the invention also provides a kind of video is dispatched on a large scale, this method includes:
Multiple video acquisition devices gather the video information at preset geographical positions and are sent to the video information and regard
Frequency code device;
Video coding apparatus carries out hierarchical coding to the video information of each video acquisition device collection, obtains and institute
State the layered video information after the corresponding multiple codings of each video acquisition device;
Video display devices send video information according to the acquisition range of the video acquisition device to video coding apparatus
Solicited message;
Video coding apparatus sends layered video information corresponding with the video request information to video display devices;
Video capture device mark of the video display devices in the layered video information, the layered video is believed
Breath is shown in the three-dimensional geographic information system that correspondence position is identified with the video capture device.
Alternatively, the video display devices are sent out according to the acquisition range of the video acquisition device to video coding apparatus
Video information solicited message is sent to include:
S301:Judge whether the parameter of virtual three-dimensional video camera changes, in the event of changing, perform S302, otherwise
Perform S303;
S302:According to the parameter of virtual three-dimensional video camera, the video pel regarded outside centrum is rejected;
S303:Calculate the elemental area or void being mapped to depending on Intrapyramidal video pel in the display of video display devices
Intend three-dimensional camera to the distance of each video pel;
S304:According to the elemental area being mapped to depending on Intrapyramidal video pel in the display of video display devices
Or virtual three-dimensional video camera asks corresponding resolution and frame per second to the distance of each video pel to the video coding apparatus
Layered video information.
Alternatively, video capture device mark of the video display devices in the layered video information, by institute
Stating layered video information and being shown in includes with the three-dimensional geographic information system of video capture device mark correspondence position:
Layered video information described in video display devices hierarchical decoding is single-frame images, and single-frame images texture mapping is arrived
In the three-dimensional geographic information system that correspondence position is identified with the video capture device.
Alternatively, the parameter of the virtual three-dimensional video camera includes position, direction and/or the ken, and the virtual three-dimensional is taken the photograph
The position of camera is regarding the vertex of centrum.
Alternatively, the video pel rejected outside depending on centrum includes:
The video primitive vertices coordinate is substituted into the plane equation regarding six faces of centrum successively, if the video pel
Each vertex the side regarded inside centrum is directed toward in each plane regarding centrum, then respective vertices are regarded in centrum described
Portion, otherwise respective vertices reject the video pel outside centrum described regarding the outside of centrum.
The video monitoring system and method for the present invention, which solves video display devices in the prior art and can only load several roads, to be arrived
The problem of two-dimensional video on tens tunnels, decoding show the scale is smaller of video, using can layered video encoding and decoding technique, improve
Video display devices decoding shows the scale of video.Use of the present invention can carry out the video coding apparatus of hierarchical coding, will regard
The video of frequency harvester collection carries out hierarchical coding, the layered video information after multiple codings is obtained, hence in so that video is shown
Showing device can select a layered video to be shown from the layered video after multiple codings as needed, such as, differentiate
The relatively low layered video of rate, scale is shown so as to effectively improve the video of video display devices.Using proposed by the present invention
Video monitoring system, can decode the video that real-time display is more than 500 tunnels at the same time.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood by reference to attached drawing, attached drawing is schematically without that should manage
Solve to carry out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 is shown can layered video encoding and decoding technique schematic diagram;
Fig. 2 shows the structure diagram of the video monitoring system of one embodiment of the invention;
Fig. 3 shows the flow chart of the video frequency monitoring method of one embodiment of the invention;
Fig. 4 shows the method schematic diagram rejected and regard the video pel outside centrum.
Embodiment
Below in conjunction with attached drawing, embodiments of the present invention is described in detail.
Fig. 1 show the embodiment of the present invention use be layered encoding and decoding technique schematic diagram.
Layered video coding is that Video Image Segmentation is created video image into a basic unit and multiple enhancement layers, this
A little video flowings are mounted in the different pieces of information bag on network respectively, influence caused by base layer data packet loss and non-are layered volume
Code the result is that consistent, and enhancement layer is based on basic unit rather than prior image frame, and therefore, the data packet of enhancement layer is lost
The decline of picture quality will not be caused by losing, so as to greatly improve the anti-packet loss ability of video.
Fig. 2 shows the video monitoring system structure diagram of one embodiment of the invention.As shown in Fig. 2, the video is supervised
Control system includes:
Multiple video acquisition devices 1, video coding apparatus 2 and video display devices 3;
Multiple video acquisition devices 1, video coding apparatus 2 and video display devices 3 are connected by network;
Video display devices 3 are used to run three-dimensional geographic information system;
Video acquisition device 1 is used to gather the video information at preset geographical position and be sent to the video information to regard
Frequency code device 2;
Video coding apparatus 2 is used to carry out hierarchical coding to the video information of each video acquisition device collection, obtains
Layered video information to after multiple codings corresponding with each video acquisition device;
Video display devices 3 are used for please to the transmission video of video coding apparatus 2 according to the acquisition range of video acquisition device 1
Seek information;
Video coding apparatus 2 is additionally operable to after the video request information is received, to video display devices 3 send with
The corresponding layered video information of the video request information;
Video display devices 3 are used for the video capture device mark in the layered video information, by the layering
Video information is shown in the three-dimensional geographic information system that correspondence position is identified with the video capture device.
Specifically, three-dimensional geographic information system has identifies corresponding three-dimensional geographic information with video capture device.
Application of the embodiment of the present invention can layered video encoding and decoding technique, it is relatively low for the video pixel of wide-long shot,
Low resolution and the enhancement data bag of frame per second can be asked during hierarchical decoding, video stream bit rate is low.Wherein, code check refers to specific point
The transmission speed of the video of resolution and frame per second.The effect for playing video is not interfered with the same time, improves video display devices decoding
Show the scale of video.The video monitoring system proposed using the embodiment of the present invention, can decode real-time display regarding more than 500 tunnels
Frequently, while the three-dimensional geographical location information of video can be shown.
In a kind of optional embodiment, video display devices 3 are used for basis and are mapped to depending on Intrapyramidal video pel
Elemental area or virtual three-dimensional video camera in the display of video display devices are compiled to the distance of each video pel to video
Code device 2 asks the layered video information of corresponding resolution and frame per second.
Video display devices 3 are single-frame images for layered video information described in hierarchical decoding, and by single-frame images texture
It is mapped in the three-dimensional geographic information system that correspondence position is identified with the video capture device.
Video display devices 3 are additionally operable to the parameter according to virtual three-dimensional video camera, reject the video pel regarded outside centrum;It is described
The parameter of virtual three-dimensional video camera includes position, direction and/or the ken, and the position of the virtual three-dimensional video camera is regarding the vertex of centrum.
Video display devices 3 are specifically used for the video primitive vertices coordinate is substituted into the plane regarding six faces of centrum successively
Equation, if the side regarded inside centrum, respective top are directed toward in each vertex of the video pel in each plane regarding centrum
Point it is described regard the inside of centrum, otherwise respective vertices it is described regard the outside of centrum, reject described in regard centrum outside video pel.
In practical applications, video acquisition device 2 is high-definition camera, the recommendation resolution ratio of high-definition camera for 1920 ×
1080 (other also can).Video display devices 3 are computer or mobile terminal.Video coding apparatus 2 is IPTV layered encoders.
Fig. 3 shows the video frequency monitoring method flow chart of one embodiment of the invention.As shown in figure 3, the video monitoring side
Method includes:
Multiple video acquisition devices gather the video information at preset geographical positions and are sent to the video information and regard
Frequency code device;
Video coding apparatus carries out hierarchical coding to the video information of each video acquisition device collection, obtains and institute
State the layered video information after the corresponding multiple codings of each video acquisition device;
Video display devices send video information according to the acquisition range of the video acquisition device to video coding apparatus
Solicited message;
Video coding apparatus sends layered video information corresponding with the video request information to video display devices;
Video capture device mark of the video display devices in the layered video information, the layered video is believed
Breath is shown in the three-dimensional geographic information system that correspondence position is identified with the video capture device.Three-dimensional geographic information system is deposited
Have and identify corresponding three-dimensional geographic information with video capture device.
Application of the embodiment of the present invention can layered video encoding and decoding technique, improve video display devices decoding and show video
Scale.The video frequency monitoring method proposed using the embodiment of the present invention, can decode the video that real-time display is more than 500 tunnels.
In an optional embodiment, video display devices according to the acquisition range of the video acquisition device to regarding
Frequency code device, which sends video information solicited message, to be included:
S301:Judge whether the parameter of virtual three-dimensional video camera changes, in the event of changing, perform S302, otherwise
Perform S303;
S302:According to the parameter of virtual three-dimensional video camera, the video pel regarded outside centrum is rejected;It is described depending on centrum outside regard
Frequency pel is the video pel outside the acquisition range of the video acquisition device.It is i.e. described to regard centrum as the video acquisition device
Acquisition range, or the referred to as visible cone scope of video acquisition device.
S303:Calculate the elemental area being mapped to depending on Intrapyramidal video pel in the display of video display devices;
S304:According to the elemental area being mapped to depending on Intrapyramidal video pel in the display of video display devices
The layered video information of corresponding resolution and frame per second is asked to the video coding apparatus.
In another optional embodiment, video display devices according to the acquisition range of the video acquisition device to
Video coding apparatus, which sends video information solicited message, to be included:
S301:Judge whether the parameter of virtual three-dimensional video camera changes, in the event of changing, perform S302, otherwise
Perform S303;
S302:According to the parameter of virtual three-dimensional video camera, the video pel regarded outside centrum is rejected;It is described depending on centrum outside regard
Frequency pel is the video pel outside the acquisition range of the video acquisition device.It is i.e. described to regard centrum as the video acquisition device
Acquisition range, or the referred to as visible cone scope of video acquisition device.
S303:Virtual three-dimensional video camera is calculated to the distance of each video pel;
S304:Asked accordingly to the video coding apparatus according to virtual three-dimensional video camera to the distance of each video pel
The layered video information of resolution ratio and frame per second.
In practical applications, video capture device mark of the video display devices in the layered video information
Know, the layered video information is included in the three-dimensional geographic information system of correspondence position is identified with the video capture device
Including:
Layered video information described in video display devices hierarchical decoding is single-frame images, and single-frame images texture mapping is arrived
In the three-dimensional geographic information system that correspondence position is identified with the video capture device.
Video pel in present embodiment is rectangle video pel.The parameter of the virtual three-dimensional video camera includes position
Put, direction, the ken, the position of the virtual three-dimensional video camera is regarding the vertex of centrum.
Texture had both included the texture of body surface on ordinary meaning, i.e. rough rill is presented in body surface, at the same time
The multicolour pattern being also included within the smooth surface of object.
Refer to a visible centrum scope for video camera in scene depending on centrum.
The video pel rejected outside depending on centrum includes:
The video primitive vertices coordinate is substituted into the plane equation regarding six faces of centrum successively, if the video pel
Each vertex the side regarded inside centrum is directed toward in each plane regarding centrum, then respective vertices are regarded in centrum described
Portion, otherwise respective vertices reject the video pel outside centrum described regarding the outside of centrum.It is only right to improve performance
With there is the object of intersection to carry out texture mapping depending on centrum.
Judge whether a vertex E (x1, y1, z1) is regarding Intrapyramidal process as (as shown in Figure 4):
Centrum is regarded as ABCD described in setting, and A ' B ' C ' D ', EFGH are video pel, and plane ABCD is directed toward described regard in centrum
The normal in portion is (a, b, c), and the plane equation of plane ABCD is ax+by+cz+d=0.By the coordinate generation of vertex E (x1, y1, z1)
Enter in plane equation.
For vertex E (x1, y1, z1),
If ax1+by1+cz1+d=0, vertex E is on plane ABCD;
If ax1+by1+cz1+d > 0, vertex E is directed toward regarding the side of centrum in plane ABCD;
If ax1+by1+cz1+d=0, vertex E is directed toward the opposite side regarding centrum in plane ABCD.
Further, the process for calculating the elemental area being mapped to depending on Intrapyramidal video pel in display is as follows:
Each vertex in rectangle video pel is converted into screen coordinate.According to computer graphics, it is known that three-dimensional
In geographical information space a bit, the homogeneous coordinates of the point are P (x, y, z, w), and screen coordinate is transformed to using equation below:
P '=PMV·MP·MVP
Wherein, MVRefer to modelview matrix, MPRefer to perspective transformation matrix, MVPRefer to viewport transform matrix.Wherein, video is calculated
The process that pel is mapped to the elemental area in the display of video display devices is as follows:
The quadrangle after converting in screen is set as ABCD, is first become 2 triangles ABC and ACD, calculates two
The length of side of triangle ABC and ACD, then calculate the elemental area of rectangle video pel by Heron's formula.
Wherein, three length of sides of triangle ABC are set as a, b, c, set p=(a+b+c)/2, then the face of triangle ABC
Product
Further, regarding for corresponding resolution and frame per second is asked to the Video coding and Distributor according to table 1 below
Frequency flows.Wherein, f is factor of influence, it is recommended to use 0.8.
1 elemental area of table and the resolution ratio and frame per second of request layered video information
Alternatively, the video of corresponding resolution and frame per second is asked to the Video coding and Distributor according to table 2 below
Stream.By calculating distance of the virtual camera away from video pel vertex, distance of the virtual camera away from video pel is calculated.Its
In, F is distance influence factor, it is recommended to use 1.
The resolution ratio and frame per second of distance of the table 2 away from video pel and request layered video information
Virtual camera to each video pel distance L | Resolution ratio | Frame per second |
L<500mm*F | 1920×1080 | 24fps |
500*F<L<=1000*F | 1280×720 | 24fps |
1000*F<L<=2000*F | 640×480 | 24fps |
3000*F<L<=6000*F | 480×272 | 24fps |
6000*F<L<=8000*F | 320×240 | 24fps |
8000*F<L<=10000F | 160×120 | 16fps |
10000*F<L<=12000*F | 80×60 | 16fps |
12000*F<L<=14000*F | 40×30 | 16fps |
14000*F<L<=16000*F | 10×5 | 16fps |
L>16000*F | Do not ask | Do not ask |
The embodiment of the present invention, which solves video display devices in the prior art and can only load the two dimension on several roads to tens tunnels, to be regarded
Frequently, decoding show video scale is smaller the problem of, using can layered video encoding and decoding technique, improve video display devices solution
Code shows the scale of video.Using video frequency monitoring method proposed by the present invention, the video that real-time display is more than 500 tunnels can be decoded.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
- A kind of 1. video monitoring system, it is characterised in that including:Multiple video acquisition devices, video coding apparatus and video display devices;The video display devices are used to run three-dimensional geographic information system;The video acquisition device is used to gather the video information at preset geographical position and the video information is sent to institute State video coding apparatus;The video coding apparatus is used to carry out hierarchical coding to the video information of the multiple video acquisition device collection, obtains Layered video information after multiple codings corresponding with each video acquisition device;The video display devices are used to be sent to the video coding apparatus according to the acquisition range of the video acquisition device Video request information;The video coding apparatus is additionally operable to after the video request information is received, and is sent to the video display devices Layered video information corresponding with the video request information;The video display devices are used for the video capture device mark in the layered video information, and the layering is regarded Frequency presentation of information is in the three-dimensional geographic information system of correspondence position is identified with the video capture device.
- 2. video monitoring system according to claim 1, it is characterised in thatThe video display devices are used for basis and are mapped to depending on Intrapyramidal video pel in the display of video display devices Elemental area or virtual three-dimensional video camera ask corresponding resolution to the distance of each video pel to the video coding apparatus With the layered video information of frame per second.
- 3. video monitoring system according to claim 1, it is characterised in thatThe video display devices are single-frame images for layered video information described in hierarchical decoding, and single-frame images texture is reflected It is mapped in the three-dimensional geographic information system that correspondence position is identified with the video capture device.
- 4. video monitoring system according to claim 1, it is characterised in thatThe video display devices are additionally operable to the parameter according to virtual three-dimensional video camera, reject the video pel regarded outside centrum;The parameter of the virtual three-dimensional video camera includes position, direction and/or the ken, and the position of the virtual three-dimensional video camera is Depending on the vertex of centrum.
- 5. video monitoring system according to claim 4, it is characterised in thatThe video display devices are specifically used for successively substituting into the video primitive vertices coordinate regarding the flat of six faces of centrum Face equation, if the side regarded inside centrum, phase are directed toward in each vertex of the video pel in each plane regarding centrum Answer vertex described regarding the inside of centrum, otherwise respective vertices described regarding the outside of centrum, reject it is described depending on centrum outside regard Frequency pel.
- 6. a kind of extensive dispatching method of video based on any video monitoring system of the claims 1~5, it is special Sign is, including:The multiple video acquisition device gathers the video information at preset geographical position and is sent to the video information and regards Frequency code device;The video coding apparatus carries out hierarchical coding to the video information of each video acquisition device collection, obtains and institute State the layered video information after the corresponding multiple codings of each video acquisition device;The video display devices send video information according to the acquisition range of the video acquisition device to video coding apparatus Solicited message;The video coding apparatus sends layered video corresponding with the video request information to the video display devices to be believed Breath;Video capture device mark of the video display devices in the layered video information, the layered video is believed Breath is shown in the three-dimensional geographic information system that correspondence position is identified with the video capture device.
- 7. the extensive dispatching method of video according to claim 6, it is characterised in that the video display devices are according to institute State the acquisition range of video acquisition device includes to video coding apparatus transmission video information solicited message:S301:Judge whether the parameter of virtual three-dimensional video camera changes, in the event of changing, perform S302, otherwise perform S303;S302:According to the parameter of virtual three-dimensional video camera, the video pel regarded outside centrum is rejected;S303:Calculate the elemental area or virtual three being mapped to depending on Intrapyramidal video pel in the display of video display devices Video camera is tieed up to the distance of each video pel;S304:According to the elemental area being mapped to depending on Intrapyramidal video pel in the display of video video display device Or virtual three-dimensional video camera asks corresponding resolution and frame per second to the distance of each video pel to the video coding apparatus Layered video information.
- 8. the extensive dispatching method of video according to claim 7, it is characterised in that the video display devices are according to institute State in layered video information video capture device mark, by the layered video information include with the video capture device The three-dimensional geographic information system of mark correspondence position includes:Layered video information described in the video display devices hierarchical decoding is single-frame images, and single-frame images texture mapping is arrived In the three-dimensional geographic information system that correspondence position is identified with the video capture device.
- 9. the extensive dispatching method of video according to claim 7, it is characterised in that the ginseng of the virtual three-dimensional video camera Number includes position, direction and/or the ken, and the position of the virtual three-dimensional video camera is regarding the vertex of centrum.
- 10. the extensive dispatching method of video according to claim 7, it is characterised in that described to reject regarding outside depending on centrum Frequency pel includes:The video primitive vertices coordinate is substituted into the plane equation regarding six faces of centrum successively, if the video pel is each The side regarded inside centrum is directed toward on vertex in each plane regarding centrum, then respective vertices described regarding the inside of centrum, Otherwise respective vertices reject the video pel outside centrum described regarding the outside of centrum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510574891.6A CN105187794B (en) | 2015-09-10 | 2015-09-10 | A kind of video monitoring system and the extensive dispatching method of video |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510574891.6A CN105187794B (en) | 2015-09-10 | 2015-09-10 | A kind of video monitoring system and the extensive dispatching method of video |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105187794A CN105187794A (en) | 2015-12-23 |
CN105187794B true CN105187794B (en) | 2018-04-13 |
Family
ID=54909617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510574891.6A Active CN105187794B (en) | 2015-09-10 | 2015-09-10 | A kind of video monitoring system and the extensive dispatching method of video |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105187794B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111127615A (en) * | 2019-12-26 | 2020-05-08 | 四川航天神坤科技有限公司 | Data scheduling method and device of three-dimensional model and electronic equipment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102685436A (en) * | 2011-12-13 | 2012-09-19 | 上海天跃科技股份有限公司 | Storage method employing scalable video coding technical design |
CN104601950A (en) * | 2014-12-31 | 2015-05-06 | 北京邮电大学 | Video monitoring method |
CN104599320A (en) * | 2014-12-31 | 2015-05-06 | 北京邮电大学 | Real-time drawing and comparing method for three-dimensional model |
WO2015106834A1 (en) * | 2014-01-16 | 2015-07-23 | Abb Technology Ag | Method and arrangement for visualizing an alarm of an automation or control system in a geographic information system |
-
2015
- 2015-09-10 CN CN201510574891.6A patent/CN105187794B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102685436A (en) * | 2011-12-13 | 2012-09-19 | 上海天跃科技股份有限公司 | Storage method employing scalable video coding technical design |
WO2015106834A1 (en) * | 2014-01-16 | 2015-07-23 | Abb Technology Ag | Method and arrangement for visualizing an alarm of an automation or control system in a geographic information system |
CN104601950A (en) * | 2014-12-31 | 2015-05-06 | 北京邮电大学 | Video monitoring method |
CN104599320A (en) * | 2014-12-31 | 2015-05-06 | 北京邮电大学 | Real-time drawing and comparing method for three-dimensional model |
Non-Patent Citations (1)
Title |
---|
基于GIS的视频监控系统研究;宗文杰等;《计算机工程与设计》;20110615;第32卷(第2期);全文 * |
Also Published As
Publication number | Publication date |
---|---|
CN105187794A (en) | 2015-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9648346B2 (en) | Multi-view video compression and streaming based on viewpoints of remote viewer | |
TWI678915B (en) | Method and apparatus for video coding | |
US8913664B2 (en) | Three-dimensional motion mapping for cloud gaming | |
CN103226830B (en) | The Auto-matching bearing calibration of video texture projection in three-dimensional virtual reality fusion environment | |
CN111415416A (en) | Method and system for fusing monitoring real-time video and scene three-dimensional model | |
CN106780317B (en) | Panoramic projection method and device | |
US11941748B2 (en) | Lightweight view dependent rendering system for mobile devices | |
CN107369205B (en) | Mobile terminal city two-dimensional and three-dimensional linkage display method | |
WO2018068612A1 (en) | Panoramic image mapping method, apparatus and device | |
CN104898947B (en) | A kind of method that GDI electronics map vector scaling and translation are realized based on mouse position | |
CN103345771A (en) | Efficient image rendering method based on modeling | |
CN103984720B (en) | Tile map creation method and device based on OpenGL | |
CN107945101B (en) | Image processing method and device | |
KR101591427B1 (en) | Method for Adaptive LOD Rendering in 3-D Terrain Visualization System | |
CN106254779A (en) | A kind of panoramic video processing method and server and client side | |
Chai et al. | Depth map compression for real-time view-based rendering | |
CN105187794B (en) | A kind of video monitoring system and the extensive dispatching method of video | |
CN106548508A (en) | A kind of high-quality 3D texture reconstruction methods | |
WO2019232075A1 (en) | Compression of dynamic unstructured point clouds | |
Bao et al. | A framework for remote rendering of 3-D scenes on limited mobile devices | |
CN108924629B (en) | VR image processing method | |
Kreskowski et al. | Output-sensitive avatar representations for immersive telepresence | |
CN117280680A (en) | Parallel mode of dynamic grid alignment | |
CN108886616A (en) | The method, apparatus and computer system of Video coding | |
Wang et al. | Asymmetric circular projection for dynamic virtual reality video stream switching |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |