CN110225314A - A kind of image display method and device of event linkage - Google Patents
A kind of image display method and device of event linkage Download PDFInfo
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- CN110225314A CN110225314A CN201910611583.4A CN201910611583A CN110225314A CN 110225314 A CN110225314 A CN 110225314A CN 201910611583 A CN201910611583 A CN 201910611583A CN 110225314 A CN110225314 A CN 110225314A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
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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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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Alarm Systems (AREA)
Abstract
The present invention provides the image display methods and device of a kind of linkage of event, wherein this method comprises: receiving affair alarm information；The target area for being used for video amplifier is determined according to the affair alarm information；Obtain the video code flow in the video code flow of headend equipment acquisition in the target area；In the case where opening preview enlarging function, video code flow in video code flow that the headend equipment acquires in the target area is amplified into processing, and the video code flow in the target area after preview display enhanced processing, it can solve the video image amplification display realized link after event triggering in the related technology, the problem of needing by the camera for supporting zoom zoom function, the headend equipment for acquiring video are not necessarily to support zoom function that can also realize that the amplification of the video image to link after event triggering is shown.
Description
Technical field
The present invention relates to field of video monitoring, in particular to the image display method and device of a kind of linkage of event.
Background technique
In video monitoring, after alert event triggering, a variety of linkage actions can be associated with, for example video recording, triggering ptz camera are preset
Point, grabgraf etc..By the movement of linkage, much information when event triggering is shown and recorded, facilitates monitoring operator on duty real-time
Preview viewing conveniently carries out playback afterwards and checks.
After event triggering, the preset point of linkage triggering ptz camera.Linkage triggering ptz camera preset point is to utilize ptz camera
Holder rotation and zoom zoom function, show preset point region image, reach the mesh of Switch Video image and enlarged drawing
, improve the validity of monitoring content.After warning message passes to equipment end in the related technology, equipment to be linked from local acquisition
Preset point information is transmitted to front end camera by preset point information, and front end camera is rotated or zoomed in and out, cut according to preset point information
Video is changed to specified region, equipment end, which receives the code stream after variation and carries out preview, to be shown and deposit.
Current product, the video image amplification display to link after the triggering of Yao Shixian event, needs to become by support zoom
The camera of burnt function can just be completed, although the function of image amplification may be implemented, there are certain limitation and unavoidably
Influence:
Front end camera must support zoom zoom function.
For the video image amplification display to link after event triggering is realized in the related technology, need to become by support zoom
The problem of camera of burnt function, not yet proposition solution.
Summary of the invention
The embodiment of the invention provides the image display methods and device of a kind of linkage of event, at least to solve the relevant technologies
The video image amplification display to link after middle realization event triggering, the problem of needs by the camera for supporting zoom zoom function.
According to one embodiment of present invention, a kind of image display method of event linkage is provided, comprising:
Receive affair alarm information；
The target area for being used for video amplifier is determined according to the affair alarm information；
Obtain the video code flow in the video code flow of headend equipment acquisition in the target area；
In the case where opening preview enlarging function, in the target area in video code flow that the headend equipment is acquired
Video code flow in domain amplifies processing, and the video code flow in the target area after preview display enhanced processing.
Optionally, determine that the target area for video amplifier includes: according to the affair alarm information
Judge whether carry area information in the affair alarm information；
In the case where the judgment result is yes, the target area is determined according to the area information；
If the determination result is NO, preconfigured area information is obtained, according to the preconfigured region
Information determines the target area.
Optionally, determine that the target area includes: according to the area information
In the case where the area information includes multiple regions, the coordinate in the multiple region is obtained；
The Minimum Area comprising the multiple region is determined according to the coordinate in the multiple region；
The Minimum Area is determined as the target area.
Optionally, the method also includes:
Save the video code flow in the target area, wherein video code flow and the target in the target area
Region association.
Optionally, the video code flow saved in the target area includes:
The coordinate information of the target area is associated with the video code flow in the target area；
Video code flow in the target area after the coordinate information for being associated with the target area is saved in hard disk.
Optionally, the method also includes:
Receive the play-back command of playback video；
Video code flow to be played back is obtained according to the play-back command；
Whether area information is associated in the judgement video code flow to be played back；
In the case where the judgment result is yes, it is obtained from the video code flow in the region according to the area information
Video code flow in the corresponding region of information；
In the case where opening preview enlarging function, the video code flow in the corresponding region of the area information is put
Big processing, and play back the video code flow after enhanced processing.
Optionally, further includes:
In the case where not opening the preview enlarging function, the video code flow in the target area is played back.
According to another embodiment of the invention, a kind of video display devices of event linkage are additionally provided, comprising:
First receiving module, for receiving affair alarm information；
Determining module, for determining the target area for being used for video amplifier according to the affair alarm information；
First obtains module, the video codes in the video code flow for obtaining headend equipment acquisition in the target area
Stream；
Enhanced processing module, the video in the case where opening preview enlarging function, the headend equipment to be acquired
Video code flow in code stream in the target area amplifies processing, and preview shows the target area after enhanced processing
Video code flow in domain.
Optionally, the determining module includes:
Judging unit, for judging whether carry area information in the affair alarm information；
First determination unit, in the case where the judgment result is yes, determining the target according to the area information
Region；
Second determination unit, for if the determination result is NO, preconfigured area information being obtained, according to institute
It states preconfigured area information and determines the target area.
Optionally, the determining module includes:
Acquiring unit, for obtaining the seat in the multiple region in the case where the area information includes multiple regions
Mark；
Third determination unit, for determining the smallest region comprising the multiple region according to the coordinate in the multiple region
Domain；
4th determination unit, for the Minimum Area to be determined as the target area.
Optionally, described device further include:
Preserving module, for saving the video code flow in the target area, wherein the video codes in the target area
Stream is associated with the target area.
The preserving module is also used to the video code flow in the coordinate information of the target area and the target area
It is associated；
Video code flow in the target area after the coordinate information for being associated with the target area is saved in hard disk.
Optionally, described device further include:
Second receiving module, for receiving the play-back command of playback video；
Second obtains module, for obtaining video code flow to be played back according to the play-back command；
Judgment module, for judging whether be associated with area information in the video code flow to be played back；
Third obtains module, in the case where the judgment result is yes, according to the area information from the video codes
The video code flow in the corresponding region of the area information is obtained in stream；
First playback module is used in the case where opening preview enlarging function, by the corresponding region of the area information
Interior video code flow amplifies processing, and plays back the video code flow after enhanced processing.
Optionally, described device further include:
Second playback module, for playing back in the target area in the case where not opening the preview enlarging function
Video code flow.
According to still another embodiment of the invention, a kind of storage medium is additionally provided, meter is stored in the storage medium
Calculation machine program, wherein the computer program is arranged to execute the step in any of the above-described embodiment of the method when operation.
According to still another embodiment of the invention, a kind of electronic device, including memory and processor are additionally provided, it is described
Computer program is stored in memory, the processor is arranged to run the computer program to execute any of the above-described
Step in embodiment of the method.
Through the invention, affair alarm information is received；The mesh for being used for video amplifier is determined according to the affair alarm information
Mark region；Obtain the video code flow in the video code flow of headend equipment acquisition in the target area；Opening preview amplification
In the case where function, the video code flow in video code flow that the headend equipment acquires in the target area is amplified
Processing, and the video code flow in the target area after preview display enhanced processing, can solve and realize thing in the related technology
The video image amplification display to link after part triggering acquires video the problem of needs by the camera for supporting zoom zoom function
Headend equipment be not necessarily to support zoom function that can also realize that the amplification of video image to link after event triggering is shown.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of hardware configuration frame of the mobile terminal of the image display method of event linkage of the embodiment of the present invention
Figure；
Fig. 2 is a kind of flow chart of the image display method of event linkage according to an embodiment of the present invention；
Fig. 3 is the flow chart for the method that alarm linkage video according to an embodiment of the present invention is shown；
Fig. 4 is the flow chart of alarm linkage video playback according to an embodiment of the present invention；
Fig. 5 is the block diagram of the video display devices of event linkage according to an embodiment of the present invention；
Fig. 6 is the block diagram of the video display devices of event linkage according to the preferred embodiment of the invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
Embodiment 1
Embodiment of the method provided by the embodiment of the present application one can be in mobile terminal, terminal or similar fortune
It calculates and is executed in device.For running on mobile terminals, Fig. 1 is that a kind of video of event linkage of the embodiment of the present invention is shown
The hardware block diagram of the mobile terminal of method, as shown in Figure 1, mobile terminal 10 may include one or more (only shows in Fig. 1
One out) (processor 102 can include but is not limited to Micro-processor MCV or programmable logic device FPGA etc. to processor 102
Processing unit) and memory 104 for storing data, optionally, above-mentioned mobile terminal can also include being used for communication function
Transmission device 106 and input-output equipment 108.It will appreciated by the skilled person that structure shown in FIG. 1 is only
Signal, does not cause to limit to the structure of above-mentioned mobile terminal.For example, mobile terminal 10 may also include than shown in Fig. 1 more
More perhaps less component or with the configuration different from shown in Fig. 1.
Memory 104 can be used for storing computer program, for example, the software program and module of application software, such as this hair
The corresponding computer program of message method of reseptance in bright embodiment, processor 102 are stored in memory 104 by operation
Computer program realizes above-mentioned method thereby executing various function application and data processing.Memory 104 may include
High speed random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or its
His non-volatile solid state memory.In some instances, memory 104 can further comprise remotely setting relative to processor 102
The memory set, these remote memories can pass through network connection to mobile terminal 10.The example of above-mentioned network includes but not
It is limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Transmitting device 106 is used to that data to be received or sent via a network.Above-mentioned network specific example may include
The wireless network that the communication providers of mobile terminal 10 provide.In an example, transmitting device 106 includes a Network adaptation
Device (Network Interface Controller, referred to as NIC), can be connected by base station with other network equipments to
It can be communicated with internet.In an example, transmitting device 106 can for radio frequency (Radio Frequency, referred to as
RF) module is used to wirelessly be communicated with internet.
The video for providing a kind of event linkage for running on above-mentioned mobile terminal or the network architecture in the present embodiment is aobvious
Show method, Fig. 2 is a kind of flow chart of the image display method of event linkage according to an embodiment of the present invention, as shown in Fig. 2, should
Process includes the following steps:
Step S202 receives affair alarm information；
Step S204 determines the target area for being used for video amplifier according to the affair alarm information；
Step S206 obtains the video code flow in the video code flow of headend equipment acquisition in the target area；
Step S208, in the case where opening preview enlarging function, by the video code flow in the target area
Video code flow amplify processing, and preview shows the video code flow after enhanced processing.
S202 to S208 through the above steps receives affair alarm information；It is used for according to affair alarm information determination
The target area of video amplifier；Obtain the video code flow in the video code flow of headend equipment acquisition in the target area；?
Video in the case where opening preview enlarging function, in video code flow that the headend equipment is acquired in the target area
Code stream amplifies processing, and the video code flow in the target area after preview display enhanced processing, can solve correlation
The video image amplification display to link after event triggering is realized in technology, needs asking by the camera for supporting zoom zoom function
Topic, the headend equipment for acquiring video are not necessarily to support zoom function that can also realize that the amplification of the video image to link after event triggering is aobvious
Show.
In an optional embodiment, above-mentioned steps S304 be can specifically include:
Judge whether carry area information in the affair alarm information；
In the case where the judgment result is yes, the target area is determined according to the area information；
If the determination result is NO, preconfigured area information is obtained, according to the preconfigured region
Information determines the target area.
In another optional embodiment, above-mentioned steps S304 be can specifically include:
In the case where the area information includes multiple regions, the coordinate in the multiple region is obtained；
The Minimum Area comprising the multiple region is determined according to the coordinate in the multiple region；
The Minimum Area is determined as the target area.
It in the embodiment of the present invention, is saved after video code rate is associated with target area, is convenient for subsequent playback, specifically
Ground saves the video code flow, wherein the video code flow is associated with the area information of the target area.Further, will
The coordinate information of the target area is associated with the video code flow in the target area；The seat of the target area will be associated with
The video code flow in the target area after mark information is saved in hard disk.
In the embodiment of the present invention, the play-back command of playback video is received；View to be played back is obtained according to the play-back command
Frequency code stream；Whether area information is associated in the judgement video code flow to be played back；In the case where the judgment result is yes, root
According to the area information from obtaining video code flow in the corresponding region of the area information in the video code flow；It is opening
In the case where preview enlarging function, the video code flow in the corresponding region of the area information is amplified into processing, and play back
Video code flow after enhanced processing.In the case where not opening the preview enlarging function, the view in the target area is played back
Frequency code stream.
The embodiment of the present invention passes through the relevant information in the information and equipment end event configuration passed back in Collection Events, uses
Certain rule calculates the coordinate of region to be amplified, display is amplified to the image of preview, thus without requiring front end camera
Support zoom zoom function, when enlarged drawing does not influence other rear end equipments for connecting this camera, while not changing storage yet and arriving
Code stream in video recording.
The information of magnification region is deposited into video code flow, it, both can be according to the area recorded in video recording when playback is checked
Domain information amplifies display, the effect of enhancing playback display to the image of playback, and can play back the original figure not amplified
Picture.Fig. 3 is the flow chart for the method that alarm linkage video according to an embodiment of the present invention is shown, as shown in figure 3, specifically include with
Lower step:
Step S301: after receiving warning message, judging whether have the relevant information in region in the information of alarm passback,
Step S302 is gone to if with the relevant information in region；If obtaining equipment end event not with the relevant information in region and matching
Area information in setting, and be saved in rectangle D, go to step S305；
Step S302: judging whether there is multiple regions information, if there is multiple regions information, save each region be B1,
B2 ... goes to step S303；If only one area information, this information is saved into rectangle D, goes to step S305；
Step S303: to B1, B2 ..., the coordinate in region is calculated, be calculated one comprising the region B1, B2 ... most
Small rectangle D；
Step S304 obtains the area size D stored in configuration；
Step S305: rectangular area D (i.e. above-mentioned target area) is calculated；
Step S306: judging whether rear end equipment opens preview enlarging function, if opening preview enlarging function, goes to
Step S307；If being not turned on preview enlarging function, video code flow is routed directly to display module progress preview and is shown.
Step S307: the image in video code flow in the D of rectangular area is amplified processing, and (enhanced processing algorithm uses
The general image multiplication method of industry, such as linear interpolation)；
Step S308: amplified image is sent to display module progress preview and is shown；
Step S309: code stream is sent to picture recording module into video code flow by the coordinate information of addition rectangle D；
Step S310: it deposits to video recording.
After above-mentioned steps, the image that preview is shown is amplified video image.Deposit hard disk does not amplify
Video image, the information for simultaneously amplifying region have also been deposited into video.
When playback is checked, according to the area information recorded in video recording, display is amplified to the image of playback.Fig. 4 is root
According to the flow chart of the alarm linkage video playback of the embodiment of the present invention, as shown in figure 4, steps are as follows:
Step S401: it is determined whether to enable zoom functions, if having turned on, go to step S402；If being not turned on
Enlarging function, then be routed directly to playback module for image and carry out playback to show.
Step S402: judge play back in code stream whether have area information, if there is area information, go to step S403；If
There is no area information, then image is routed directly to playback display module and carries out playback and show；
Step S403: the area information in code stream is obtained, and is saved in rectangle D；
Step S404: the image in code stream in the D of rectangular area is amplified processing, and (enhanced processing algorithm uses industry
General image multiplication method, such as linear interpolation)；
Step S405: it amplified image is sent to playback module carries out playback and show.
After above-mentioned steps, it can be achieved that image amplification display when playback is shown.
Embodiment 2
The embodiment of the present invention additionally provides a kind of video display devices of event linkage, and Fig. 5 is according to embodiments of the present invention
Event linkage video display devices block diagram, as shown in Figure 5, comprising:
First receiving module 52, for receiving affair alarm information；
Determining module 54, for determining the target area for being used for video amplifier according to the affair alarm information；
First obtains module 56, the video in the video code flow for obtaining headend equipment acquisition in the target area
Code stream；
Enhanced processing module 58, the view in the case where opening preview enlarging function, the headend equipment to be acquired
Video code flow in frequency code stream in the target area amplifies processing, and preview shows the target after enhanced processing
Video code flow in region.
Optionally, the determining module 54 includes:
Judging unit, for judging whether carry area information in the affair alarm information；
First determination unit, in the case where the judgment result is yes, determining the target according to the area information
Region；
Second determination unit, for if the determination result is NO, preconfigured area information being obtained, according to institute
It states preconfigured area information and determines the target area.
Optionally, the determining module 54 includes:
Acquiring unit, for obtaining the seat in the multiple region in the case where the area information includes multiple regions
Mark；
Third determination unit, for determining the smallest region comprising the multiple region according to the coordinate in the multiple region
Domain；
4th determination unit, for the Minimum Area to be determined as the target area.
Fig. 6 is the block diagram of the video display devices of event linkage according to the preferred embodiment of the invention, as shown in fig. 6, institute
State device further include:
Preserving module 62, for saving the video code flow in the target area, wherein the video in the target area
Code stream is associated with the area information of the target area.
The preserving module is also used to the video code flow in the coordinate information of the target area and the target area
It is associated；
Video code flow in the target area after the coordinate information for being associated with the target area is saved in hard disk.
Optionally, described device further include:
Second receiving module, for receiving the play-back command of playback video；
Second obtains module, for obtaining video code flow to be played back according to the play-back command；
Judgment module, for judging whether be associated with area information in the video code flow to be played back；
Third obtains module, in the case where the judgment result is yes, according to the area information from the video codes
The video code flow in the corresponding region of the area information is obtained in stream；
First playback module is used in the case where opening preview enlarging function, by the corresponding region of the area information
Interior video code flow amplifies processing, and plays back the video code flow after enhanced processing.
Optionally, described device further include:
Second playback module, for playing back in the target area in the case where not opening the preview enlarging function
Video code flow.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any
Combined form is located in different processors.
Embodiment 3
The embodiments of the present invention also provide a kind of storage medium, computer program is stored in the storage medium, wherein
The computer program is arranged to execute the step in any of the above-described embodiment of the method when operation.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store by executing based on following steps
Calculation machine program:
S1 receives affair alarm information；
S2 determines the target area for being used for video amplifier according to the affair alarm information；
S3 obtains the video code flow in the video code flow of headend equipment acquisition in the target area；
S4, in the case where opening preview enlarging function, in the mesh in video code flow that the headend equipment is acquired
Video code flow in mark region amplifies processing, and the video codes in the target area after preview display enhanced processing
Stream.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
The various media that can store computer program such as disk, magnetic or disk.
Embodiment 4
The embodiments of the present invention also provide a kind of electronic device, including memory and processor, stored in the memory
There is computer program, which is arranged to run computer program to execute the step in any of the above-described embodiment of the method
Suddenly.
Optionally, above-mentioned electronic device can also include transmission device and input-output equipment, wherein the transmission device
It is connected with above-mentioned processor, which connects with above-mentioned processor.
Optionally, in the present embodiment, above-mentioned processor can be set to execute following steps by computer program:
S1 receives affair alarm information；
S2 determines the target area for being used for video amplifier according to the affair alarm information；
S3 obtains the video code flow in the video code flow of headend equipment acquisition in the target area；
S4, in the case where opening preview enlarging function, in the mesh in video code flow that the headend equipment is acquired
Video code flow in mark region amplifies processing, and the video codes in the target area after preview display enhanced processing
Stream.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all within principle of the invention, it is made it is any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of image display method of event linkage characterized by comprising
Receive affair alarm information；
The target area for being used for video amplifier is determined according to the affair alarm information；
Obtain the video code flow in the video code flow of headend equipment acquisition in the target area；
In the case where opening preview enlarging function, in video code flow that the headend equipment is acquired in the target area
Video code flow amplify processing, and preview shows the video code flow after enhanced processing in the target area.
2. being used for video amplifier the method according to claim 1, wherein determining according to the affair alarm information
Target area include:
Judge whether carry area information in the affair alarm information；
In the case where the judgment result is yes, the target area is determined according to the area information；
If the determination result is NO, preconfigured area information is obtained, according to the preconfigured area information
Determine the target area.
3. according to the method described in claim 2, it is characterized in that, determining that the target area is wrapped according to the area information
It includes:
In the case where the area information includes multiple regions, the coordinate in the multiple region is obtained；
The Minimum Area comprising the multiple region is determined according to the coordinate in the multiple region；
The Minimum Area is determined as the target area.
4. according to the method in any one of claims 1 to 3, which is characterized in that the method also includes:
Save the video code flow in the target area, wherein video code flow and the target area in the target area
Association.
5. according to the method described in claim 4, it is characterized in that, the video code flow saved in the target area includes:
The coordinate information of the target area is associated with the video code flow in the target area；
Video code flow in the target area after the coordinate information for being associated with the target area is saved in hard disk.
6. according to the method described in claim 4, it is characterized by further comprising:
Receive the play-back command of playback video；
Video code flow to be played back is obtained according to the play-back command；
Whether area information is associated in the judgement video code flow to be played back；
In the case where the judgment result is yes, it is obtained from the video code flow in the area information according to the area information
Video code flow in corresponding region；
In the case where opening the preview enlarging function, the video code flow in the corresponding region of the area information is put
Big processing, and play back the video code flow after enhanced processing.
7. according to the method described in claim 6, it is characterized by further comprising:
In the case where not opening the preview enlarging function, the video code flow in the target area is played back.
8. a kind of video display devices of event linkage characterized by comprising
First receiving module, for receiving affair alarm information；
Determining module, for determining the target area for being used for video amplifier according to the affair alarm information；
First obtains module, the video code flow in the video code flow for obtaining headend equipment acquisition in the target area；
Enhanced processing module, the video code flow in the case where opening preview enlarging function, the headend equipment to be acquired
In video code flow in the target area amplify processing, and preview is shown in the target area after enhanced processing
Video code flow.
9. a kind of storage medium, which is characterized in that be stored with computer program in the storage medium, wherein the computer
Program is arranged to execute method described in any one of claim 1 to 7 when operation.
10. a kind of electronic device, including memory and processor, which is characterized in that be stored with computer journey in the memory
Sequence, the processor are arranged to run the computer program to execute side described in any one of claim 1 to 7
Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910611583.4A CN110225314A (en) | 2019-07-08 | 2019-07-08 | A kind of image display method and device of event linkage |
Applications Claiming Priority (1)
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Application publication date: 20190910 |