CN105979216A - Video transmission method and device of region of interest - Google Patents
Video transmission method and device of region of interest Download PDFInfo
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- CN105979216A CN105979216A CN201610409967.4A CN201610409967A CN105979216A CN 105979216 A CN105979216 A CN 105979216A CN 201610409967 A CN201610409967 A CN 201610409967A CN 105979216 A CN105979216 A CN 105979216A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/167—Position within a video image, e.g. region of interest [ROI]
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- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention discloses a video transmission method and device of a region of interest, belongs to the field of video monitoring, and being applied to a video monitoring system. The video monitoring system at least comprises a front-end device and a back-end device; and the back-end device comprises a display device used for displaying a picture. The video transmission method of the region of interest comprises the steps of determining a range covered by the region of interest based on a set rule; by the front-end device, sending video data corresponding to the range covered by the region of interest to the back-end device based on the region of interest, wherein the video data are uncoded video data; and receiving the uncoded video data by the back-end device and displaying the decoded video data by display device. As time taken for decoding is saved when the video data of the region of interest are transmitted, received and displayed by the front-end device and the back-end device, time delay can be reduced efficiently, partial video real-time performance of the region of interest is improved, and the problem of partial image delay is alleviated.
Description
Technical field
The present invention relates to field of video monitoring, the video transmission method of a kind of area-of-interest and dress
Put.
Background technology
In field of video monitoring, front network video camera between fine definition low delay and bandwidth requirement low,
Have been look for a balance.Wishing that definition is the highest more good, time delay is the lowest more good, also requires that bandwidth is more simultaneously
Low the best.
Solving between fine definition low delay and low bandwidth, the scheme that current industry is commonly used is by ROI skill
Art, i.e. draws one piece of region out on picture, on the premise of the holding of overall bandwidth code stream is constant, to black surround
Interior ROI region carries out the coding of fine definition, and emphasis ensures its definition, the part to non-black surround region
Carry out the coding of low definition.Thus it is constant to reach overall code stream bandwidth.
And the selection underaction of the technical scheme ROI region of prior art, because different time sections, human eye
Concern position to the view picture of front network video camera is different, and this time period possible is to picture
The lower left corner pay close attention to, the lower left corner is ROI region, and the upper left corner emphasis of picture is closed by the next time period
Note, the upper left corner is ROI region.Change each time, be required on front network video camera by manager's hands
The dynamic picture frame of work marks, and wastes time and energy very much, and real-time is the most bad.
It addition, under some such application scenarios of such as traffic control, the time delay to topography is the quickest
Sense, it would be desirable to real-time grasp shoot to the illegal overall process to vehicle, provides chain of evidence support for follow-up punishment.
Current ROI has some improvement in terms of definition, but remains in terms of time delay and cannot meet demand,
And it is higher to bandwidth requirement.
Summary of the invention
The invention provides video transmission method and the device of a kind of area-of-interest, it is therefore intended that alleviate local
The problem of picture delay.
First aspect present invention discloses the video transmission method of a kind of area-of-interest, is applied to video monitoring
System, described video monitoring system at least includes headend equipment and rear end equipment, and rear end equipment includes for showing
Show that the display device of picture, the video transmission method of described area-of-interest include:
The scope included by area-of-interest is determined according to setting rule；
Headend equipment, according to area-of-interest, sends the video counts corresponding with the scope included by area-of-interest
According to rear end equipment, described video data is the video data of un-encoded；
Rear end equipment receives the video data of un-encoded, the most decoded is shown by display device.
As optimal technical scheme, described headend equipment, according to area-of-interest, sends and area-of-interest institute
Including video data corresponding to scope to rear end equipment, described video data is the video data of un-encoded,
Including, headend equipment uses IP packet to send the video data of described un-encoded, the agreement of IP packet
Field uses the custom field preset；
Described rear end equipment receives the video data of un-encoded, the most decoded is shown by display device, bag
Including, rear end equipment receives IP packet and resolves the protocol fields of IP packet, when protocol fields be described from
During definition field, the most decoded transmission of video data carried by this IP packet is to display device.
As optimal technical scheme, rear end equipment also includes the input equipment for user's input information, described
The scope included by area-of-interest is determined according to setting rule, including:
When satisfied imposing a condition, catching current key point coordinate in picture, described key point is basis
The point that obtains of information of input equipment input, described in impose a condition and include that key point is in the range of picture；
Coordinate according to key point and the geometric figure preset determine area-of-interest；
Or, input equipment includes pressure sensitivity module, according to coordinate and the pressure of pressure sensitivity module input of key point
Information is preset corresponding geometric figure and is determined area-of-interest.
As optimal technical scheme, headend equipment, according to area-of-interest, does not send non-and area-of-interest institute
Including video data corresponding to scope；
Or, headend equipment is according to area-of-interest, corresponding to non-and included by area-of-interest scope
Video data sends to rear end equipment after carrying out low clear coding.
Second aspect present invention discloses the video transmission method of a kind of area-of-interest, is applied to video monitoring
Headend equipment in system, described video monitoring system at least includes headend equipment and rear end equipment, and rear end sets
For including the display device for showing picture, the video transmission method of described area-of-interest includes:
According to the scope of fixed area-of-interest, send corresponding with the scope included by area-of-interest
Video data is to rear end equipment, and described video data is the video data of un-encoded, so that rear end equipment connects
The video data of receipts un-encoded is the most decoded to be shown by display device.
Third aspect present invention discloses the video frequency transmitter of a kind of area-of-interest, is applied to video monitoring
System, described video monitoring system at least includes headend equipment and rear end equipment, and rear end equipment includes for showing
Show that the display device of picture, the video frequency transmitter of described area-of-interest include:
Area-of-interest determines unit, for determining the scope included by area-of-interest according to setting rule；
Data transmission unit, is used for making headend equipment according to area-of-interest, sends and wrapped with area-of-interest
Video data corresponding to the scope that includes is to rear end equipment, and described video data is the video data of un-encoded；
Data receipt unit, for make rear end equipment receive un-encoded video data, the most decoded by
Display device shows.
As optimal technical scheme, also include:
Packet encapsulation unit, for making headend equipment use IP packet to send the video of described un-encoded
Data, the protocol fields of IP packet uses the custom field preset；
Packet resolution unit, for making rear end equipment resolve the protocol fields of the IP packet received, with
Make rear end equipment when protocol fields is described custom field by this IP packet carry video data without
Decoding sends to display device.
As optimal technical scheme, rear end equipment also includes the input equipment for user's input information,
Described area-of-interest determines that unit is being drawn specifically for catching current key point when meeting and imposing a condition
Coordinate in face, wherein, described key point is the point that obtains of information according to input equipment input, described in set
Fixed condition includes that key point is in the range of picture；
Area-of-interest determine unit also particularly useful for, true according to the coordinate of key point and the geometric figure preset
Determine area-of-interest；
Or, area-of-interest determine unit also particularly useful for, input equipment includes pressure sensitivity module, according to pass
The pressure information of the coordinate of key point and the input of pressure sensitivity module is preset corresponding geometric figure and is determined area-of-interest.
As optimal technical scheme, data transmission unit is additionally operable to, and headend equipment is according to area-of-interest, no
Send the video data that non-and included by area-of-interest scope is corresponding；
Or, data transmission unit is additionally operable to, and headend equipment is according to area-of-interest, to non-and region of interest
Video data corresponding to scope included by territory sends to rear end equipment after carrying out low clear coding.
Fourth aspect present invention discloses the video frequency transmitter of a kind of area-of-interest, is applied to video monitoring
Headend equipment in system, described video monitoring system at least includes headend equipment and rear end equipment, and rear end sets
For including the display device for showing picture, the video transmission method of described area-of-interest includes:
Data transmission unit, for the scope according to fixed area-of-interest, sends and area-of-interest
Video data corresponding to included scope is to rear end equipment, and described video data is the video counts of un-encoded
According to, show so that the video data of rear end equipment reception un-encoded is the most decoded by display device.
After using technique scheme, present invention have the advantage that
Owing to headend equipment eliminates the coding required time expended when transmitting the video data of area-of-interest,
Rear end equipment eliminates the decoding required time expended when by display device display picture simultaneously, it is thus possible to
Enough effectively reduce time delay, improve video real-time of this local of area-of-interest, alleviate topography and postpone
Problem.
Accompanying drawing explanation
Fig. 1 is the networking schematic diagram of video monitoring system in the embodiment of the present invention；
Fig. 2 is the schematic diagram of the enforcement step in the embodiment of the present invention one；
Fig. 3 is the hardware schematic implementing device in the embodiment of the present invention two；
Fig. 4 is the schematic diagram implementing device in the embodiment of the present invention two.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Following retouches
Stating when relating to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.
Embodiment described in following exemplary embodiment does not represent all embodiment party consistent with the application
Formula.On the contrary, they only with describe in detail in appended claims, the application some in terms of mutually one
The example of the apparatus and method caused.
It is only merely for describing the purpose of specific embodiment at term used in this application, and is not intended to be limiting this
Application." a kind of ", " described " of singulative used in the application and appended claims
" it is somebody's turn to do " be also intended to include most form, unless context clearly shows that other implications.It is also understood that
Term "and/or" used herein refer to and comprise any of one or more project of listing being associated or
Likely combine.
Although should be appreciated that may use term first, second, third, etc. to describe various letter in the application
Breath, but these information should not necessarily be limited by these terms.These terms are only used for same type of information district each other
Separately.Such as, in the case of without departing from the application scope, the first information can also be referred to as the second information,
Similarly, the second information can also be referred to as the first information.Depend on linguistic context, word as used in this
" if " can be construed to " ... time " or " when ... time " or " in response to determining ".
Seeing Fig. 1, video transmission method and the device of the area-of-interest that the present invention provides are applied to video monitoring system
System, Fig. 1 is the networking mode of a kind of exemplary headend equipment and rear end equipment, in the exemplary embodiment,
Headend equipment refers to IPC (Internet Protocol Camera, web camera), can be used for shooting and sending
Video data, can be a certain specific IPC chosen under a networking in some IPC, and rear end equipment refers to
NVR (Network Video Recorder, network video recorder) and as display device display,
Mouse as input equipment.
It will be clear to a skilled person that display is a kind of example of display device, other are all
As television set, projection, mobile phone screen etc. all can the equipment of normal display monitoring picture all can be as aobvious
Showing device and use in the inventive solutions.In the present invention, headend equipment is not limited to IPC, also
Other units any of required video data can be to provide, as there being video data SAN (Storage
Area Network, Storage are network), another NVR etc.；Rear end equipment is not limited to NVR, also
Can be other units any needing to play monitor video, such as computer, mobile client etc..
In headend equipment or the rear end equipment of indication of the present invention, as a example by rear end equipment, included by rear end equipment
Each device can not be the module becoming single equipment in hardware entities with rear end equipment, and these devices can
To be positioned at same place with rear end equipment, it is also possible to be positioned at different location and connected by telecommunication, even example
As, in the present embodiment, display device display included by NVR is except can be to be provided separately within this locality or remote
The display of journey, it is also possible to be the subsidiary display of other equipment, the screen of such as notebook computer or mobile phone.
Equally, input equipment can also be the input equipment that other equipment are subsidiary, such as keyboard, the Mus of notebook computer
Mark, the touch screen etc. of mobile phone, can be directly associated with display device, it is also possible to be not have with display device
Other approach in addition to NVR are had to be associated.
Embodiment one
The video transmission method of a kind of area-of-interest, is applied to video monitoring system, described video monitoring system
System at least includes headend equipment and rear end equipment, and rear end equipment includes the display device for showing picture, institute
The video transmission method stating area-of-interest includes:
The scope included by area-of-interest is determined according to setting rule；
Headend equipment, according to area-of-interest, sends the video counts corresponding with the scope included by area-of-interest
According to rear end equipment, described video data is the video data of un-encoded；
Rear end equipment receives the video data of un-encoded, the most decoded is shown by display device.
See Fig. 2, in the present embodiment, use the video transmission method of area-of-interest to realize area-of-interest
The concrete steps of transmission of video include:
Step S01, determines the scope included by area-of-interest according to setting rule；
Step S02, headend equipment, according to the fixed area-of-interest of step S01, sends and area-of-interest
Video data corresponding to included scope to rear end equipment, wherein video data un-encoded；
Step S03, rear end equipment will receive the video data that headend equipment in step S02 sends, and without
Decoding is shown by display device.
In the above-described embodiments, volume is eliminated due to headend equipment when transmitting the video data of area-of-interest
The time expended needed for yard, needed for rear end equipment eliminates decoding when by display device display picture simultaneously
The time expended such that it is able to effectively reduce time delay, improve the video real-time of this local of area-of-interest,
Alleviate the problem that topography postpones.Additionally, the video data as un-encoded can provide fine definition
Image frame.
The method of data of transmission area-of-interest specifically, headend equipment divides a picture into some macro blocks,
Macro block can be arbitrary shape, two-by-two between there is no specific shape, a status requirement, but usually, use
Rectangular block divides, more specifically, picture is divided in units of blockage big grand of some grades according to transverse and longitudinal
Block, in the picture of 1920*1080 resolution, with 20*20 pixel (10*10 or other as required can be pre-
If numerical value) be unit, be divided into 96*54 macro block, then headend equipment comparison area-of-interest and picture
Face, has lap if a certain macro block intersects with area-of-interest or is covered by area-of-interest completely, then
This macro block is labeled as macro block interested, and headend equipment, when transmitting the video data of area-of-interest, extracts
All macro blocks interested also create the video data that art macro block interested is corresponding.In actual application, division macro block,
The evaluation work obtaining macro block interested can be complete by the equipment arbitrarily in video monitoring system with computing capability
Becoming, in above-described embodiment, headend equipment completes the work of this part and is only a kind of particular examples.
As optimal technical scheme, in order to reduce time delay further, in step S02, headend equipment sends
During video data, IP packet is used to send the video data of described un-encoded, 8 bits of IP packet
The protocol fields of bit length uses the custom field preset, and concrete, the protocol fields at IP heading can
So that without using custom field, current existing UDP uses 17, TCP uses 6 with one,
And numerical value is in the scope of 143 to 252 at present is all undefined behavior, choose one of them, here
Assume to be chosen for 155, naturally it is also possible to choose any one value in the range of described such as 143,252.
Corresponding, in step S03, after rear end equipment receives IP packet, to IP packet report
Literary composition head resolves, and parses the value of wherein protocol fields, by this value and the custom field presetting agreement
Contrast, determine whether 155 the most in the present embodiment, the most then illustrate in this IP packet
The video data of carrying is the video data of the un-encoded corresponding with area-of-interest, and then rear end equipment will
The most decoded transmission of video data of this IP packet carrying is to display device.
In actual application scenarios, headend equipment not only needs to send the video data of area-of-interest, the most very
May need to send the video data of regions of non-interest, in the present invention, regions of non-interest refers to
In complete video pictures, remove other all regions beyond area-of-interest.Before the decoding, for
The IP packet of area-of-interest or regions of non-interest, even other IP packets, rear end equipment is not
Can distinguish.In above-mentioned optimal technical scheme, utilize the heading protocol fields part for IP packet
It is self-defined so that rear end equipment can recognize the IP packet of area-of-interest after deblocking IP packet,
Eliminate and the video data of the un-encoded of area-of-interest is sent the step giving decoder module, thus further
Reduce and postpone.As supplementary notes, area-of-interest is separately to send with the video data of regions of non-interest
, i.e. in same IP packet, it is only possible to include the video data of area-of-interest or non-region of interest
One in the video data in territory.
As optimal technical scheme, rear end equipment also includes the input equipment for user's input information, at this
In embodiment, input equipment refers to mouse, but it should be understood by one skilled in the art that input equipment
It is not limited to mouse, it is possible in the picture of display device, be properly positioned the point that operator want to select
Arbitrarily input equipment is all optional, such as rocking bar, trace ball, touch pad, touch screen, button.
Above-mentioned optimal technical scheme specifically, in step S01, determines area-of-interest according to setting rule
Included scope refers specifically to:
When satisfied imposing a condition, catching current key point coordinate in picture, described key point is basis
The point that obtains of information of input equipment input, described in impose a condition and include that key point is in the range of picture；
Coordinate according to key point and the geometric figure preset determine area-of-interest；
Or, input equipment includes pressure sensitivity module, according to coordinate and the pressure of pressure sensitivity module input of key point
Information is preset corresponding geometric figure and is determined area-of-interest.
When key point is not in the range of picture, then without generating area-of-interest, such as mouse pointer skids off
Picture, and for example clicks on offscreen scope during touch screen operation.And impose a condition except including that key point exists
This condition in the range of picture, it is also possible to the most additionally include that key point coordinate remains unchanged for threshold value
Time or input equipment add other set input information, as use mouse time, pointer keep 1 second motionless,
Or mouse generation click etc..Key point refers to the point that the information according to input equipment input obtains, and this area is general
Logical it will be appreciated by the skilled person that this point should not be limited only to a pixel/coordinate points, it is also possible to be one
Appropriate scope, such as, when touch screen or Trackpad are as input equipment, magnitude range of this point depends on
In the area that finger contacts with touch screen or Trackpad, and when catching current key point coordinate in picture,
Coordinate can be determined as representative to preset a mode selected pixel in the range of this as required.
The scope included by area-of-interest it is assured that after the coordinate of key point determines, specifically, can
To preset a geometric figure, as all having determined that the circle of dimensional parameters, rectangle, triangle, irregular shape etc.
Arbitrarily want the figure selected, then preset critical point and the relation of this figure, as the coordinate with key point is made
For central coordinate of circle, centre coordinate, the coordinate etc. of setting drift angle, and preset according to the coordinate of key point with this
Geometric figure is assured that area-of-interest.
When input equipment is with pressure sensitivity module, it is also possible to the pressure information combining the input of pressure sensitivity module determines sense
Interest region, e.g., adds the pantograph ratio relevant to pressure parameter of dimension of picture parameter in such scheme,
Wherein pantograph ratio can be and pressure parameter positive correlation or negative correlation, can be linear correlation or nonlinear correlation,
It can be the functional relationship arbitrarily needed.Under some application-specific scenes, it is possible to so that pressure parameter with not
The geometric figure of similar shape is corresponding, the circle that the power correspondence of such as 1-5 newton is changed from small to big, and 5-15 cattle top
The rectangle that correspondence is changed from small to big.The technology of area-of-interest geomery is adjusted according to other input dynamic state of parameters
Scheme is not limited to pressure parameter, it is possible to use such as range sensor sensing beholder and the spacing of screen
And adjust area-of-interest size, the shape of adjusting knob/roller adjustment area-of-interest according to the size of spacing
Size etc..
Additionally, coordinate and the geometric figure preset according to key point determine that area-of-interest can be not limited to
One key point, it is also possible to be two or more key points, divides as long as giving each key point respectively
Not with geometric relation, this is not done restriction further by the present invention.
Certainly, area-of-interest can also right and wrong dynamically, pre-set, or in several right and wrong
Dynamically, optional in pre-set scheme.
As optimal technical scheme, headend equipment, according to area-of-interest, does not send non-and area-of-interest institute
Including video data corresponding to scope；
Or, headend equipment is according to area-of-interest, corresponding to non-and included by area-of-interest scope
Video data sends to rear end equipment after carrying out low clear coding.
Between headend equipment and rear end equipment, the bandwidth of communication connection must be limited, uses at area-of-interest
After the video data occupied bandwidth of un-encoded, compared to normal transmission mode, total bandwidth is used for transmit it
The remaining bandwidth of his data must be to reduce, i.e. under conditions of total bandwidth is limited, may do
The video data transmission of un-encoded is all used to all pictures.Such as, 720P (1280*720 pixel) draws
The a width of 527Mbps of band required during 25 frame per second of face, exceedes 100-M network Ethernet speed, and 1080P (1920*1080
Pixel) picture 25 frame per second time required bandwidth rise to 1.2Gbps, exceed gigabit network interface speed, if 720P
The frame per second of picture reaches 60, can exceed gigabit network interface speed the most equally.In order to solve this problem, can be right
The picture dividing area-of-interest sends after carrying out low clear coding, or does not send this part data, to solve band
Wide not enough problem.Low clear coding described herein refers to, any bandwidth occupancy is less than or equal to can be used in passing
The coded system of the remaining bandwidth of the video data of defeated regions of non-interest, such as definition are less than raw frames
Coded system and/or the lossy coded system of picture detail.
In a particular application, it is also possible to add the mode dynamically adjusting low clear coding, such as at aforementioned use root
Dynamically adjust according to other input information in the optimal technical scheme of geomery parameter of area-of-interest, work as sense
When the area in interest region increases, the bandwidth needed for the video data of transmission area-of-interest increases, corresponding non-
The available bandwidth of area-of-interest declines, and now reduces the coding definition of regions of non-interest video data,
Until not transmitting the video data of regions of non-interest；Vice versa, when the area of area-of-interest reduces,
Bandwidth needed for the video data of transmission area-of-interest reduces, on the available bandwidth of corresponding regions of non-interest
Rise, now improve the coding definition of regions of non-interest video data.Aforementioned schemes can improve bandwidth profit
By image sharpness and the real-time of improving area-of-interest while rate.Additionally, according to actual total bandwidth feelings
Condition, can arrange the area upper limit of area-of-interest, thus avoids that the area of area-of-interest is excessive causes band
The harmful effects such as the stagnant band of picture that wide deficiency is brought.
In the present embodiment, according to encoding region of interest video data, be packaged into the work of IP packet by
Headend equipment completes, and capture key point coordinate, parsing IP packet, decoding video data, display video are drawn
The work in face is completed by rear end equipment, the determination of area-of-interest can by headend equipment, rear end equipment or its
Equipment in his system completes.
In the present embodiment, the order reasonably adjusting each step equally realizes technical scheme and technology mesh
's.
Embodiment two
Corresponding with the embodiment of the video transmission method of aforementioned area-of-interest, present invention also offers sense emerging
The embodiment of the video frequency transmitter in interest region.
The embodiment of the video frequency transmitter of area-of-interest of the present invention can be applied in video monitoring system.
Device embodiment can be realized by software, it is also possible to realizes by the way of hardware or software and hardware combining.
As a example by implemented in software, as the device on a logical meaning, it is that the unit of its ingredient passes through
The processor of the equipment in the video monitoring system at the concrete place of each unit is by corresponding nonvolatile memory
Corresponding computer program instructions reads and runs formation in internal memory.For hardware view, such as Fig. 3 institute
Show, for a kind of hardware structure diagram of the video frequency transmitter place video monitoring system of area-of-interest of the present invention,
Except the processor 11 shown in Fig. 3, internal memory 12, network interface 13, nonvolatile memory 14 and use
Outside the internal bus 15 of each component communication, in embodiment the video monitoring system at device place generally according to
The actual functional capability of this video monitoring system, it is also possible to include other hardware, this is repeated no more.
As shown in Figure 4, the video frequency transmitter of a kind of area-of-interest, it is applied to video monitoring system, institute
Stating video monitoring system and at least include headend equipment and rear end equipment, rear end equipment includes for showing picture
Display device, the video frequency transmitter of described area-of-interest includes:
Area-of-interest determines unit 21, for determining the scope included by area-of-interest according to setting rule,
Wherein, area-of-interest determines that unit can arrange and be applied to headend equipment or rear end equipment or video monitoring
Other equipment in system；
Data transmission unit 22, is used for making headend equipment according to area-of-interest, sends and area-of-interest institute
Including video data corresponding to scope to rear end equipment, described video data is the video data of un-encoded,
Wherein, data transceiving unit can arrange and be applied to headend equipment；
Data receipt unit 23, for making rear end equipment receive the video data of un-encoded, the most decoded
Being shown by display device, wherein, data receipt unit can arrange and be applied to rear end equipment.
The video frequency transmitter of area-of-interest the most also includes a processing unit 20, is used for processing data also
Coordinate each unit collaborative work.
As optimal technical scheme, also include:
Packet encapsulation unit 24, for making headend equipment use IP packet to send regarding of described un-encoded
Frequency evidence, the protocol fields of IP packet uses the custom field preset, and wherein, data transceiving unit can
To arrange and to be applied to headend equipment；
Packet resolution unit 25, for making rear end equipment resolve the protocol fields of the IP packet received,
So that the video data that this IP packet is carried by rear end equipment when protocol fields is described custom field is not
Decoded transmission is to display device, and wherein, data receipt unit can arrange and be applied to rear end equipment.
As optimal technical scheme, rear end equipment also includes the input equipment for user's input information,
Described area-of-interest determines that unit is being drawn specifically for catching current key point when meeting and imposing a condition
Coordinate in face, wherein, described key point is the point that obtains of information according to input equipment input, described in set
Fixed condition includes that key point is in the range of picture；
Area-of-interest determine unit also particularly useful for, true according to the coordinate of key point and the geometric figure preset
Determine area-of-interest；
Or, area-of-interest determine unit also particularly useful for, input equipment includes pressure sensitivity module, according to pass
The pressure information of the coordinate of key point and the input of pressure sensitivity module is preset corresponding geometric figure and is determined area-of-interest.
As optimal technical scheme, data transmission unit is additionally operable to, and headend equipment is according to area-of-interest, no
Send the video data that non-and included by area-of-interest scope is corresponding；
Or, data transmission unit is additionally operable to, and headend equipment is according to area-of-interest, to non-and region of interest
Video data corresponding to scope included by territory sends to rear end equipment after carrying out low clear coding.
In said apparatus, the function of unit and the process that realizes of effect specifically refer to corresponding step in said method
Rapid realizes process, does not repeats them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part sees
The part of embodiment of the method illustrates.Device embodiment described above is only schematically, wherein
The described unit illustrated as separating component can be or may not be physically separate, as unit
The parts of display can be or may not be physical location, i.e. may be located at a place, or also may be used
To be distributed on multiple NE.Some or all of module therein can be selected according to the actual needs
Realize the purpose of the application scheme.Those of ordinary skill in the art in the case of not paying creative work,
I.e. it is appreciated that and implements.
Embodiment three
Based on embodiment one, the video transmission method of a kind of area-of-interest, it is applied in video monitoring system
Headend equipment, described video monitoring system at least includes headend equipment and rear end equipment, and rear end equipment includes
For showing the display device of picture, the video transmission method of described area-of-interest includes:
According to the scope of fixed area-of-interest, send corresponding with the scope included by area-of-interest
Video data is to rear end equipment, and described video data is the video data of un-encoded, so that rear end equipment connects
The video data of receipts un-encoded is the most decoded to be shown by display device.
Embodiment four
Based on embodiment two, the video frequency transmitter of a kind of area-of-interest, it is applied in video monitoring system
Headend equipment, described video monitoring system at least includes headend equipment and rear end equipment, and rear end equipment includes
For showing the display device of picture, the video transmission method of described area-of-interest includes:
Data transmission unit, for the scope according to fixed area-of-interest, sends and area-of-interest
Video data corresponding to included scope is to rear end equipment, and described video data is the video counts of un-encoded
According to, show so that the video data of rear end equipment reception un-encoded is the most decoded by display device.
The foregoing is only the preferred embodiment of the application, not in order to limit the application, all in this Shen
Within spirit please and principle, any modification, equivalent substitution and improvement etc. done, should be included in this Shen
Within the scope of please protecting.
Claims (10)
1. a video transmission method for area-of-interest, is applied to video monitoring system, described video monitoring
System at least includes headend equipment and rear end equipment, and rear end equipment includes the display device for showing picture,
It is characterized in that, the video transmission method of described area-of-interest includes:
The scope included by area-of-interest is determined according to setting rule；
Headend equipment, according to area-of-interest, sends the video counts corresponding with the scope included by area-of-interest
According to rear end equipment, described video data is the video data of un-encoded；
Rear end equipment receives the video data of un-encoded, the most decoded is shown by display device.
The video transmission method of a kind of area-of-interest the most according to claim 1, it is characterised in that
Described headend equipment, according to area-of-interest, sends regard corresponding with the scope included by area-of-interest
Frequency is according to rear end equipment, and described video data is the video data of un-encoded, including, headend equipment is adopted
Send the video data of described un-encoded with IP packet, the protocol fields of IP packet uses default oneself
Definition field；
Described rear end equipment receives the video data of un-encoded, the most decoded is shown by display device, bag
Including, rear end equipment receives IP packet and resolves the protocol fields of IP packet, when protocol fields be described from
During definition field, the most decoded transmission of video data carried by this IP packet is to display device.
The video transmission method of a kind of area-of-interest the most according to claim 1, it is characterised in that
Rear end equipment also includes the input equipment for user's input information, described determines interested according to setting rule
Scope included by region, including:
When satisfied imposing a condition, catching current key point coordinate in picture, described key point is basis
The point that obtains of information of input equipment input, described in impose a condition and include that key point is in the range of picture；
Coordinate according to key point and the geometric figure preset determine area-of-interest；
Or, input equipment includes pressure sensitivity module, according to coordinate and the pressure of pressure sensitivity module input of key point
Information is preset corresponding geometric figure and is determined area-of-interest.
The video transmission method of a kind of area-of-interest the most according to claim 1, it is characterised in that
Also include:
Headend equipment, according to area-of-interest, does not send non-and included by area-of-interest corresponding the regarding of scope
Frequency evidence；
Or, headend equipment is according to area-of-interest, corresponding to non-and included by area-of-interest scope
Video data sends to rear end equipment after carrying out low clear coding.
5. a video transmission method for area-of-interest, the headend equipment being applied in video monitoring system,
Described video monitoring system at least includes headend equipment and rear end equipment, and rear end equipment includes for showing picture
Display device, it is characterised in that the video transmission method of described area-of-interest includes:
According to the scope of fixed area-of-interest, send corresponding with the scope included by area-of-interest
Video data is to rear end equipment, and described video data is the video data of un-encoded, so that rear end equipment connects
The video data of receipts un-encoded is the most decoded to be shown by display device.
6. a video frequency transmitter for area-of-interest, is applied to video monitoring system, described video monitoring
System at least includes headend equipment and rear end equipment, and rear end equipment includes the display device for showing picture,
It is characterized in that, the video frequency transmitter of described area-of-interest includes:
Area-of-interest determines unit, for determining the scope included by area-of-interest according to setting rule；
Data transmission unit, is used for making headend equipment according to area-of-interest, sends and wrapped with area-of-interest
Video data corresponding to the scope that includes is to rear end equipment, and described video data is the video data of un-encoded；
Data receipt unit, for make rear end equipment receive un-encoded video data, the most decoded by
Display device shows.
The video frequency transmitter of a kind of area-of-interest the most according to claim 1, it is characterised in that
Also include:
Packet encapsulation unit, for making headend equipment use IP packet to send the video of described un-encoded
Data, the protocol fields of IP packet uses the custom field preset；
Packet resolution unit, for making rear end equipment resolve the protocol fields of the IP packet received, with
Make rear end equipment when protocol fields is described custom field by this IP packet carry video data without
Decoding sends to display device.
The video frequency transmitter of a kind of area-of-interest the most according to claim 1, it is characterised in that
Rear end equipment also includes the input equipment for user's input information,
Described area-of-interest determines that unit is being drawn specifically for catching current key point when meeting and imposing a condition
Coordinate in face, wherein, described key point is the point that obtains of information according to input equipment input, described in set
Fixed condition includes that key point is in the range of picture；
Area-of-interest determine unit also particularly useful for, true according to the coordinate of key point and the geometric figure preset
Determine area-of-interest；
Or, area-of-interest determine unit also particularly useful for, input equipment includes pressure sensitivity module, according to pass
The pressure information of the coordinate of key point and the input of pressure sensitivity module is preset corresponding geometric figure and is determined area-of-interest.
The video frequency transmitter of a kind of area-of-interest the most according to claim 1, it is characterised in that
Data transmission unit is additionally operable to, and headend equipment, according to area-of-interest, does not send non-and area-of-interest
The video data that included scope is corresponding；
Or, data transmission unit is additionally operable to, and headend equipment is according to area-of-interest, to non-and region of interest
Video data corresponding to scope included by territory sends to rear end equipment after carrying out low clear coding.
10. a video frequency transmitter for area-of-interest, the headend equipment being applied in video monitoring system,
Described video monitoring system at least includes headend equipment and rear end equipment, and rear end equipment includes for showing picture
Display device, it is characterised in that the video transmission method of described area-of-interest includes:
Data transmission unit, for the scope according to fixed area-of-interest, sends and area-of-interest
Video data corresponding to included scope is to rear end equipment, and described video data is the video counts of un-encoded
According to, show so that the video data of rear end equipment reception un-encoded is the most decoded by display device.
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| CN201610409967.4A CN105979216A (en) | 2016-06-12 | 2016-06-12 | Video transmission method and device of region of interest |
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| CN201610409967.4A CN105979216A (en) | 2016-06-12 | 2016-06-12 | Video transmission method and device of region of interest |
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