CN111857493B - Video management method and system based on smart city management system - Google Patents
Video management method and system based on smart city management system Download PDFInfo
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Abstract
The invention discloses a video management method based on a smart city management system, which comprises the following steps: acquiring a monitoring video and a geographic coordinate thereof, and distributing map marking points on an electronic map; acquiring event information, and performing link processing and picture enlargeable playing on the event information and the monitoring video; acquiring target event information generated when a user operates the event information; acquiring an operation instruction of a user; when a picture size adjusting instruction is obtained, amplifying a monitoring video picture corresponding to the instruction; when an important event information amplification instruction is acquired, preferentially amplifying a picture of a monitoring video corresponding to the important event information; when a target event information amplification instruction is acquired, amplifying a monitoring video picture corresponding to the target event information; and when the event information backtracking instruction is acquired, calling the monitoring video corresponding to the backtracking marking point and backtracking and playing. Correspondingly, the invention also discloses a system of the method. By adopting the invention, the management efficiency of the monitoring video is effectively improved.
Description
Technical Field
The invention relates to a data management technology, in particular to a video management method and a video management system based on a smart city management system.
Background
At present, intelligent multifunctional poles distributed at different positions in a city and related servers form a hardware part of a smart city management system, and a software platform for processing data such as monitoring videos, lighting states, 5G antenna signals and the like on the intelligent multifunctional poles and the servers forms a software part of the smart city management system. The monitoring video monitors all corners of a city, and plays an important role in city safety monitoring. The monitoring videos are widely distributed and large in data volume, and the intelligent city management system is vital to efficient management of the monitoring videos. However, at present, the management of the monitoring videos is limited to the single management of the monitoring videos, and needs to be manually located and searched, so that the efficiency is very low when the monitoring videos of the urban road network are managed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a video management method and a video management system based on a smart city management system, which are used for dynamically classifying and sequencing monitoring videos and efficiently calling and amplifying the monitoring videos by combining an electronic map and event information, so that the management efficiency of the monitoring videos is effectively improved.
In order to solve the technical problem, the invention provides a video management method based on a smart city management system, which comprises the following steps: acquiring a monitoring video and a geographic coordinate of the monitoring video, and distributing map marking points for the monitoring video on an electronic map according to the geographic coordinate; acquiring event information, performing link processing and picture enlargeable playing on the event information and the monitoring video, wherein the event information comprises common event information and important event information, the event information comprises corresponding map marking points and corresponding pictures of the monitoring video, the event information is managed and arranged according to important grades, and the number of the event information is dynamic statistics; acquiring target event information generated when a user operates the event information; acquiring an operation instruction of a user in real time, wherein the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction; when a picture size adjusting instruction is acquired, extracting a map marking point corresponding to the picture size adjusting instruction, amplifying a picture of a monitoring video corresponding to the map marking point, and reducing the rest monitoring videos to be the map marking points; when an important event information amplification instruction is acquired, extracting important event information mark points corresponding to the important event information, and automatically arranging and preferentially amplifying the pictures of the monitored video corresponding to the important event information mark points; when an amplifying instruction of the target event information is acquired, extracting a map marking point corresponding to the target event information, and amplifying a picture of a monitoring video corresponding to the map marking point; when an event information backtracking instruction is acquired, a backtracking mark point and a backtracking time node corresponding to backtracking event information are extracted, a monitoring video corresponding to the backtracking mark point is called, the monitoring video is played from the backtracking time node, and the backtracking event information is common event information, important event information or target event information.
As an improvement of the above scheme, the step of automatically arranging and preferentially amplifying the pictures of the monitored video corresponding to the important event information mark points comprises: after the event information is dynamically classified each time, judging whether the quantity of the important event information is less than the quantity of the presettable maximum amplified video pictures or not; when the number of the important event information is less than the preset maximum number of the magnified video pictures, magnifying the pictures of the monitored video corresponding to the important event information mark points and the pictures of the monitored video corresponding to the common event information; when the number of the important event information is larger than or equal to the preset maximum number of the enlarged video pictures, only enlarging the pictures of the monitoring video corresponding to the important event information mark points; when the geographic coordinates of the important event information change, the corresponding map mark points and the pictures of the monitoring videos synchronously change, and the proportional display of the electronic map is automatically adjusted.
As an improvement of the above scheme, the important event information amplification instruction comprises a rotation circulation amplification instruction; the step of automatically arranging and preferentially amplifying the pictures of the monitoring video corresponding to the important event information mark points comprises the following steps: counting the number of map marking points corresponding to the important event information to generate the number of important event landmarks; when the number of the important event landmarks is less than the number of the presettable maximum magnified video pictures, magnifying the pictures of the monitoring video corresponding to all the important event information marking points; and when the number of the important event landmarks is larger than the preset maximum number of the enlarged video pictures, circularly playing the video pictures with the maximum pictures of the monitoring video corresponding to the important event information mark points in turn.
As an improvement of the above scheme, the steps of performing link processing and picture enlargeable playing on the event information and the monitoring video include: linking the event information, the map mark points and the corresponding monitoring videos according to the event location in the event information; each time, dynamically classifying the event information, counting the number and sorting, then issuing an information notification, and identifying the event information with classification change; when the type of the event information is identified to be changed into the important event information, automatically executing an important event information amplification instruction on the event information so as to extract a map mark point corresponding to the important event information and amplify a picture of the monitoring video corresponding to the map mark point; and when the target event information generated by operating the event information in the information notification by the user is identified, automatically executing a target event information amplification instruction to extract a map mark point corresponding to the target event information and amplify the picture of the monitoring video corresponding to the map mark point.
The invention also discloses a video management system based on the smart city management system, which comprises the following components: the mark point generating module is used for acquiring the monitoring video and the geographic coordinate of the monitoring video and distributing map mark points for the monitoring video on the electronic map according to the geographic coordinate; the link module is used for acquiring event information, performing link processing on the event information and the monitoring video and performing picture amplification playing, wherein the event information comprises common event information and important event information, the event information comprises corresponding map mark points and corresponding pictures of the monitoring video, the event information is managed and arranged according to important grades, and the quantity of the event information is dynamic statistics; the target event generating module is used for acquiring target event information generated when a user operates the event information; the instruction acquisition module is used for acquiring an operation instruction of a user in real time, wherein the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction; the size adjusting module is used for extracting the map mark points corresponding to the picture size adjusting instruction when the picture size adjusting instruction is obtained, amplifying the pictures of the monitoring videos corresponding to the map mark points and reducing the rest monitoring videos to be the map mark points; the important event video priority amplification module is used for extracting important event information mark points corresponding to the important event information when an important event information amplification instruction is obtained, and automatically arranging and preferentially amplifying the pictures of the monitoring video corresponding to the important event information mark points; the target event video amplifying module is used for extracting a map marking point corresponding to the target event information and amplifying a picture of a monitoring video corresponding to the map marking point when a target event information amplifying instruction is obtained; and the event backtracking video playing module is used for extracting a backtracking marking point and a backtracking time node corresponding to the backtracking event information when an event information backtracking instruction is obtained, calling a monitoring video corresponding to the backtracking marking point, and playing the monitoring video from the backtracking time node, wherein the backtracking event information is common event information, important event information or target event information.
As an improvement of the above scheme, the important event video priority amplification module includes: the dynamic classification judging unit is used for judging whether the quantity of the important event information is less than the quantity of the presettable maximum amplified video pictures or not after dynamically classifying the event information each time; the compatible amplification unit is used for amplifying the pictures of the monitored videos corresponding to the important event information mark points and the pictures of the monitored videos corresponding to the common event information when the quantity of the important event information is less than the quantity of the presettable maximum amplified video pictures; the independent amplifying unit is used for amplifying only the picture of the monitoring video corresponding to the important event information mark point when the number of the important event information is greater than or equal to the number of the presettable maximum amplified video pictures; and the synchronization unit is used for synchronously changing the corresponding map mark points and the pictures of the monitoring videos when the geographic coordinates of the important event information change, and automatically adjusting the scale display of the electronic map.
As an improvement of the above scheme, the important event information amplification instruction comprises a rotation circulation amplification instruction; the important event video priority amplification module comprises: the statistical unit is used for counting the number of the map marking points corresponding to the important event information to generate the number of important event landmarks; the all-amplifying unit is used for amplifying the pictures of the monitoring videos corresponding to all the important event information marking points when the number of the important event landmarks is less than the number of the presettable maximum amplifying video pictures; and the alternate circulation playing unit is used for alternately and circularly playing the video pictures with the largest pictures of the monitoring videos corresponding to the important event information mark points when the number of the important event landmarks is more than the preset maximum number of the amplified video pictures.
As an improvement of the above, the link module includes: the event video linking unit is used for linking the event information, the map mark points and the corresponding monitoring videos according to the event location in the event information; the information issuing unit is used for performing dynamic classification processing on the event information each time, issuing information notification after performing quantity statistics and classification sequencing, and identifying the event information with changed classification; the updating important event video amplifying unit is used for automatically executing an important event information amplifying instruction on the event information when the fact that the type of the event information is changed into the important event information is recognized, so as to extract a map mark point corresponding to the important event information and amplify a picture of a monitoring video corresponding to the map mark point; and the notification target event amplifying unit is used for automatically executing a target event information amplifying instruction when target event information generated by the operation of the user on the event information in the information notification is identified so as to extract a map mark point corresponding to the target event information and amplify the picture of the monitoring video corresponding to the map mark point.
The beneficial effects of the implementation of the invention are as follows:
the video management method and the video management system based on the smart city management system are implemented, and the monitoring videos are dynamically classified, sorted and efficiently called and amplified by combining the electronic map and the event information, so that the management efficiency of the monitoring videos is effectively improved.
Firstly, the video monitoring can be managed on the electronic map by establishing a relation between the monitoring video and the map mark points of the electronic map. And secondly, linking the monitoring video and the event information, and establishing the relation between the monitoring video and the event information, so that the monitoring video is called and the picture is amplified and played through the event information. The event information is managed and arranged according to the importance level in a grading way, and the quantity of the event information is dynamically counted. When the event information is acquired and operated by a user, the target event information can be generated, and the follow-up calling and picture amplification of the monitoring video corresponding to the target event information are facilitated. Meanwhile, the operation instruction of the user is obtained in real time, and the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction. When the picture size adjusting instruction is acquired, the map mark points corresponding to the picture size adjusting instruction are extracted, the picture of the monitoring video corresponding to the map mark points is enlarged, and the rest monitoring videos are reduced to be the map mark points, so that the size of the specific monitoring video is adjusted. When the important event information amplification instruction is acquired, the important event information mark points corresponding to the important event information are extracted, the images of the monitoring videos corresponding to the important event information mark points are automatically arranged and preferentially amplified, and management personnel can conveniently and preferentially check the monitoring videos corresponding to the important event information. When the target event information amplification instruction is acquired, the map marking point corresponding to the target event information is extracted, and the picture of the monitoring video corresponding to the map marking point is amplified, so that the picture size of the monitoring video corresponding to any event information is adjusted according to the needs of a user. When an event information backtracking instruction is acquired, a backtracking mark point and a backtracking time node corresponding to backtracking event information are extracted, a monitoring video corresponding to the backtracking mark point is called, the monitoring video is played from the backtracking time node, and the backtracking event information is common event information, important event information or target event information, so that backtracking and backtracking are performed on the monitoring video corresponding to specific event information.
Drawings
FIG. 1 is a general flow chart of a video management method based on a smart city management system according to the present invention;
FIG. 2 is a flowchart illustrating a first embodiment of an automatic arrangement and preferential amplification process for a monitored video frame corresponding to an important event information mark point according to a video management method of a smart city management system according to the present invention;
FIG. 3 is a flowchart illustrating a second embodiment of an automatic arrangement and preferential amplification process for the frames of the monitored video corresponding to the important event information mark points according to the video management method of the smart city management system of the present invention;
FIG. 4 is a flow chart of the video management method based on the smart city management system for linking event information with surveillance video and displaying the images in an enlarged manner according to the present invention;
FIG. 5 is a schematic diagram of the general structure of a video management system based on a smart city management system according to the present invention;
FIG. 6 is a schematic structural diagram of a first embodiment of a video priority amplification module for important events based on a smart city management system according to the present invention;
FIG. 7 is a schematic structural diagram of a second embodiment of a priority video amplification module for important events of a video management system based on a smart city management system according to the present invention;
fig. 8 is a schematic structural diagram of a link module of a video management system based on a smart city management system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Fig. 1 is a general flowchart of a video management method based on a smart city management system according to the present invention, which includes:
s101, acquiring a monitoring video and a geographic coordinate of the monitoring video, and distributing map marking points for the monitoring video on an electronic map according to the geographic coordinate;
s102, acquiring event information, performing link processing on the event information and a monitoring video, and performing picture amplification playing, wherein the event information comprises common event information and important event information, the event information comprises corresponding map mark points and corresponding pictures of the monitoring video, the event information is managed and arranged according to important grades, and the quantity of the event information is dynamic statistics;
s103, acquiring target event information generated when a user operates the event information;
s104, acquiring an operation instruction of a user in real time, wherein the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction;
s105, when the picture size adjusting instruction is obtained, extracting a map mark point corresponding to the picture size adjusting instruction, amplifying the picture of the monitoring video corresponding to the map mark point, and reducing the rest monitoring videos to be the map mark points;
s106, when an important event information amplification instruction is acquired, extracting important event information mark points corresponding to the important event information, and automatically arranging and preferentially amplifying the pictures of the monitored video corresponding to the important event information mark points;
s107, when an amplifying instruction of the target event information is acquired, extracting a map marking point corresponding to the target event information, and amplifying a picture of a monitoring video corresponding to the map marking point;
and S108, when an event information backtracking instruction is acquired, extracting a backtracking mark point and a backtracking time node corresponding to the backtracking event information, calling a monitoring video corresponding to the backtracking mark point, and playing the monitoring video from the backtracking time node, wherein the backtracking event information is common event information, important event information or target event information.
The video management method based on the smart city management system is implemented, and the monitoring videos are dynamically classified, sorted and efficiently called and amplified by combining the electronic map and the event information, so that the management efficiency of the monitoring videos is effectively improved.
Firstly, the video monitoring can be managed on the electronic map by establishing a relation between the monitoring video and the map mark points of the electronic map. And secondly, linking the monitoring video and the event information, and establishing the relation between the monitoring video and the event information, so that the monitoring video is called and the picture is amplified and played through the event information. The event information is managed and arranged according to the importance level in a grading way, and the quantity of the event information is dynamically counted. When the event information is acquired and operated by a user, the target event information can be generated, and the follow-up calling and picture amplification of the monitoring video corresponding to the target event information are facilitated. Meanwhile, the operation instruction of the user is obtained in real time, and the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction. When the picture size adjusting instruction is acquired, the map mark points corresponding to the picture size adjusting instruction are extracted, the picture of the monitoring video corresponding to the map mark points is enlarged, and the rest monitoring videos are reduced to be the map mark points, so that the size of the specific monitoring video is adjusted. When the important event information amplification instruction is acquired, the important event information mark points corresponding to the important event information are extracted, the images of the monitoring videos corresponding to the important event information mark points are automatically arranged and preferentially amplified, and management personnel can conveniently and preferentially check the monitoring videos corresponding to the important event information. When the target event information amplification instruction is acquired, the map marking point corresponding to the target event information is extracted, and the picture of the monitoring video corresponding to the map marking point is amplified, so that the picture size of the monitoring video corresponding to any event information is adjusted according to the needs of a user. When an event information backtracking instruction is acquired, a backtracking mark point and a backtracking time node corresponding to backtracking event information are extracted, a monitoring video corresponding to the backtracking mark point is called, the monitoring video is played from the backtracking time node, and the backtracking event information is common event information, important event information or target event information, so that backtracking and backtracking are performed on the monitoring video corresponding to specific event information.
Fig. 2 is a flowchart of a first embodiment of performing automatic priority-arranging and amplifying processing on a picture of a monitored video corresponding to a critical event information mark point, which includes the steps of:
s201, after the event information is dynamically classified each time, judging whether the quantity of the important event information is less than the quantity of the presettable maximum amplification video pictures.
S202, when the quantity of the important event information is less than the quantity of the presettable maximum magnified video pictures, magnifying the pictures of the monitored video corresponding to the important event information mark points and the pictures of the monitored video corresponding to the common event information.
S203, when the number of the important event information is larger than or equal to the preset maximum number of the enlarged video pictures, only enlarging the pictures of the monitored video corresponding to the important event information mark points;
after each dynamic classification, the number of event information of each category may change, and if the number of important event information is less than the preset maximum number of magnified video frames after the change, the frame of the surveillance video corresponding to the important event information is magnified, and the remaining magnified frame space can be used for magnifying the frame of the surveillance video corresponding to the common event information. Otherwise, only the picture of the monitoring video corresponding to the important event information mark point is amplified, so that the management personnel can conveniently check the important event information with higher priority.
And S204, when the geographic coordinates of the important event information change, the corresponding map mark points and the pictures of the monitoring videos synchronously change, and the proportional display of the electronic map is automatically adjusted.
The change of the geographic coordinates of the important event information can cause the change of the distribution range of the monitoring videos and the map mark points thereof, and the proportion of the electronic map needs to be adjusted to display the map mark points of all the related monitoring videos.
The following embodiments can also be used to automatically prioritize and enlarge the frames of the monitored video corresponding to the important event information mark points.
The important event information amplification instruction comprises a rotation circulation amplification instruction;
fig. 3 is a flowchart of a second embodiment of performing automatic priority-arranging and amplifying processing on the frames of the monitored video corresponding to the important event information mark points, which includes the steps of:
s301, counting the number of map marking points corresponding to the important event information to generate the number of important event landmarks;
s302, when the number of the important event landmarks is less than the number of the presettable maximum magnified video pictures, magnifying the pictures of the monitored video corresponding to all the important event information marking points;
and S303, when the number of the important event landmarks is more than the number of the presettable maximum magnified video pictures, circularly playing the video pictures with the maximum pictures of the monitoring video corresponding to the important event information mark points in turn.
If the number of the important event landmarks is less than the preset maximum number of the magnified video pictures, the pictures of the monitored videos corresponding to the important event information marking points should be magnified preferentially, and the important event information with higher priority level is conveniently checked by managers through simultaneously magnifying the pictures, otherwise, the pictures of the monitored videos corresponding to all the important event information marking points need to be magnified one by one in a mode of alternate circulation playing.
Fig. 4 is a flowchart of linking event information and a surveillance video and displaying the event information and the surveillance video in an enlarged manner, which includes the steps of:
s401, linking the event information, the map mark points and the corresponding monitoring videos according to the event location in the event information;
s402, dynamically classifying the event information each time, performing quantity statistics and classification sequencing, issuing an information notification, and identifying the event information with classification change;
s403, when the event information type is identified to be changed into the important event information, automatically executing an important event information amplification instruction on the event information to extract a map mark point corresponding to the important event information and amplify a picture of the monitoring video corresponding to the map mark point;
s404, when the target event information generated by the operation of the user on the event information in the information notification is identified, automatically executing a target event information amplification instruction to extract a map mark point corresponding to the target event information and amplify the picture of the monitoring video corresponding to the map mark point.
And the user is reminded to check by issuing the information notification after changing the classification every time. If the type of the event information is identified to be changed into the important event information, automatically executing an important event information amplification instruction on the event information so as to extract the map marking point corresponding to the important event information and amplify the picture of the monitoring video corresponding to the map marking point, so that a user can conveniently view the monitoring video changed into the important event information. If the user operates, such as clicking and inputting, on the event information in the information notification to generate the target event information, extracting the map mark points corresponding to the target event information and amplifying the corresponding monitoring video picture, so that the user can conveniently check the monitoring video corresponding to the event information of the changed category.
The invention also discloses a video management system based on the smart city management system.
Fig. 5 is a general structure diagram of a video management system based on a smart city management system according to the present invention, which includes:
the mark point generating module 1 is used for acquiring the monitoring video and the geographic coordinates of the monitoring video, and distributing map mark points for the monitoring video on the electronic map according to the geographic coordinates;
the link module 2 is used for acquiring event information, performing link processing on the event information and the monitoring video and performing picture amplification playing, wherein the event information comprises common event information and important event information, the event information comprises corresponding map mark points and corresponding pictures of the monitoring video, the event information is managed and arranged according to important grades, and the quantity of the event information is dynamic statistics;
the target event generating module 3 is used for acquiring target event information generated when a user operates the event information;
the instruction acquisition module 4 is used for acquiring an operation instruction of a user in real time, wherein the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction;
the size adjusting module 5 is used for extracting a map marking point corresponding to the picture size adjusting instruction when the picture size adjusting instruction is obtained, amplifying the picture of the monitoring video corresponding to the map marking point, and reducing the rest monitoring videos to be the map marking points;
the important event video priority amplification module 6 is used for extracting important event information mark points corresponding to the important event information when an important event information amplification instruction is obtained, and automatically arranging and preferentially amplifying the pictures of the monitored video corresponding to the important event information mark points;
the target event video amplifying module 7 is configured to, when a target event information amplifying instruction is obtained, extract a map marking point corresponding to the target event information, and amplify a picture of the monitoring video corresponding to the map marking point;
the event backtracking video playing module 8 is configured to, when an event information backtracking instruction is obtained, extract a backtracking mark point and a backtracking time node corresponding to the backtracking event information, retrieve a monitoring video corresponding to the backtracking mark point, and play the monitoring video from the backtracking time node, where the backtracking event information is common event information, important event information, or target event information.
The video management system based on the smart city management system is implemented, and the monitoring videos are dynamically classified, sorted and efficiently called and amplified by combining the electronic map and the event information, so that the management efficiency of the monitoring videos is effectively improved.
Firstly, the mark point generating module 1 can manage video monitoring on the electronic map by establishing a connection between the monitoring video and the map mark points of the electronic map. Secondly, the link module 2 links the monitoring video and the event information to establish the relation between the monitoring video and the event information, so that the monitoring video is called and the picture is amplified and played through the event information. The event information is managed and arranged according to the importance level in a grading way, and the quantity of the event information is dynamically counted. When the event information is acquired and operated by a user, the target event information generated by the target event generation module 3 is convenient for subsequently calling and amplifying the monitoring video corresponding to the target event information. Meanwhile, the instruction obtaining module 4 obtains an operation instruction of the user in real time, wherein the operation instruction includes a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction. When the picture size adjustment instruction is acquired, the size adjustment module 5 extracts the map mark points corresponding to the picture size adjustment instruction, enlarges the picture of the surveillance video corresponding to the map mark points, and reduces the rest of the surveillance videos as the map mark points, thereby adjusting the size of the specific surveillance video. When the important event information amplification instruction is acquired, the important event video priority amplification module 6 extracts the important event information mark points corresponding to the important event information, automatically arranges and preferentially amplifies the pictures of the monitoring videos corresponding to the important event information mark points, and facilitates managers to preferentially check the monitoring videos corresponding to the important event information. When the target event information amplification instruction is acquired, the target event video amplification module 7 extracts the map marking point corresponding to the target event information and amplifies the picture of the surveillance video corresponding to the map marking point, so that the picture size of the surveillance video corresponding to any event information is adjusted according to the needs of a user. When the event information backtracking instruction is acquired, the event backtracking video playing module 8 extracts the backtracking mark point and the backtracking time node corresponding to the backtracking event information, calls the monitoring video corresponding to the backtracking mark point, and plays the monitoring video from the backtracking time node, wherein the backtracking event information is common event information, important event information or target event information, so that backtracking and checking are performed on the monitoring video corresponding to the specific event information.
Fig. 6 is a schematic structural diagram of a first embodiment of the important event video priority amplification module 6, which includes:
a dynamic classification judgment unit 61, configured to judge whether the number of important event information is less than the preset maximum number of enlarged video frames after dynamically classifying the event information each time;
a compatible amplifying unit 62, configured to amplify the picture of the surveillance video corresponding to the important event information mark point and the picture of the surveillance video corresponding to the common event information when the number of the important event information is less than the preset maximum number of the amplified video pictures;
and an individual enlarging unit 63 for enlarging only the picture of the surveillance video corresponding to the important event information mark point when the number of important event information is greater than or equal to the presettable maximum number of enlarged video pictures.
After each dynamic classification, the number of event information of each category may change, and if the number of important event information is smaller than the maximum number of the preset magnified video frames after the change, the compatible magnifying unit 62 magnifies the frames of the surveillance video corresponding to the important event information, and the remaining magnified frame space may be used to magnify the frames of the surveillance video corresponding to the common event information. Otherwise, the single amplifying unit 63 only amplifies the picture of the monitoring video corresponding to the important event information mark point, so that the manager can conveniently check the important event information with higher priority.
And the synchronization unit 64 is used for synchronously changing the corresponding map mark points and the pictures of the monitoring videos when the geographic coordinates of the important event information change, and automatically adjusting the scale display of the electronic map.
The change of the geographic coordinates of the important event information may cause the distribution range of the monitoring videos and the map mark points thereof to change, and the synchronization unit 64 needs to adjust the scale of the electronic map to display the map mark points of all the related monitoring videos.
The important event video priority amplification module 6 can also be implemented by the following embodiments.
The important event information amplification instruction comprises a rotation circulation amplification instruction;
fig. 7 is a schematic structural diagram of a second embodiment of the important event video priority amplification module 6, which includes:
the counting unit 61' is used for counting the number of the map marking points corresponding to the important event information to generate the number of important event landmarks;
the all-zoom-in unit 62' is configured to zoom in the pictures of the surveillance videos corresponding to all the important event information markers when the number of the important event landmarks is less than the preset maximum zoom-in video picture number;
the alternate circulation playing unit 63' is used for playing the video pictures with the largest pictures of the monitoring videos corresponding to the important event information mark points in an alternate circulation manner when the number of the important event landmarks is larger than the preset number of the largest amplified video pictures.
If the landmark number of the important events is less than the maximum number of the images of the amplified videos which can be preset, all the amplifying units 62 'preferentially amplify the images of the monitored videos corresponding to the important event information marking points, and the important event information with higher priority level is conveniently checked by managers through amplifying the images at the same time, otherwise, the alternate circulation playing unit 63' amplifies the images of the monitored videos corresponding to all the important event information marking points one by one through an alternate circulation playing mode.
Fig. 8 is a schematic structural diagram of the link module 2, which includes:
the event video linking unit 21 is configured to link the event information, the map mark points and the corresponding monitoring videos according to an event location in the event information;
the information issuing unit 22 is used for performing dynamic classification processing on the event information each time, performing quantity statistics and classification sequencing, issuing information notification, and identifying the event information with classification change;
an update important event video amplifying unit 23, configured to, when it is recognized that the type of the event information is changed to important event information, automatically execute an important event information amplifying instruction on the event information to extract a map mark point corresponding to the important event information, and amplify a picture of the monitoring video corresponding to the map mark point;
and the notification target event amplifying unit 24 is configured to, when target event information generated by operating the event information in the information notification by the user is identified, automatically execute a target event information amplifying instruction to extract a map mark point corresponding to the target event information and amplify a picture of the monitoring video corresponding to the map mark point.
The information distribution unit 22 reminds the user of viewing by distributing an information notification after each change of the classification. If the update important event video amplifying unit 23 recognizes that the type of the event information is changed to the important event information, an important event information amplifying instruction is automatically executed on the event information to extract a map marking point corresponding to the important event information and amplify a picture of the monitoring video corresponding to the map marking point, so that a user can conveniently view the monitoring video changed to the important event information. If the user operates, such as clicking and inputting, on the event information in the information notification to generate the target event information, the notification target event amplifying unit 24 extracts the map mark point corresponding to the target event information and amplifies the corresponding monitoring video picture, so that the user can conveniently view the monitoring video corresponding to the event information of the changed category.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A video management method based on a smart city management system is characterized by comprising the following steps:
acquiring a monitoring video and a geographic coordinate of the monitoring video, and distributing map mark points for the monitoring video on an electronic map according to the geographic coordinate;
acquiring event information, and performing link processing and picture amplification playing on the event information and the monitoring video, wherein the event information comprises common event information and important event information, the event information comprises corresponding map mark points and corresponding pictures of the monitoring video, the event information is managed and arranged according to important levels in a grading manner, and the quantity of the event information is dynamic statistics;
acquiring target event information generated when a user operates the event information;
acquiring an operation instruction of a user in real time, wherein the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction;
when the picture size adjusting instruction is acquired, extracting a map mark point corresponding to the picture size adjusting instruction, amplifying a picture of a monitoring video corresponding to the map mark point, and reducing the rest monitoring videos to be the map mark points;
when the important event information amplification instruction is acquired, extracting important event information mark points corresponding to the important event information, and automatically arranging and preferentially amplifying the pictures of the monitored video corresponding to the important event information mark points;
when the target event information amplification instruction is acquired, extracting a map marking point corresponding to the target event information, and amplifying a picture of a monitoring video corresponding to the map marking point;
when the event information backtracking instruction is acquired, extracting a backtracking mark point and a backtracking time node corresponding to backtracking event information, calling a monitoring video corresponding to the backtracking mark point, and playing the monitoring video from the backtracking time node, wherein the backtracking event information is the common event information, the important event information or the target event information.
2. The video management method according to claim 1, wherein the step of automatically arranging and preferentially amplifying the frames of the surveillance video corresponding to the significant event information mark points comprises:
after the event information is dynamically classified each time, judging whether the quantity of the important event information is less than the quantity of the presettable maximum magnified video pictures;
when the number of the important event information is less than the preset maximum number of the magnified video pictures, magnifying the pictures of the monitored video corresponding to the important event information mark points and the pictures of the monitored video corresponding to the common event information;
when the number of the important event information is larger than or equal to the preset maximum number of the enlarged video pictures, only enlarging the pictures of the monitoring video corresponding to the important event information mark points;
when the geographic coordinates of the important event information change, the corresponding map mark points and the pictures of the monitoring videos synchronously change, and the proportional display of the electronic map is automatically adjusted.
3. The video management method according to claim 1, wherein the important event information amplification command comprises a rotation circulation amplification command;
the step of automatically arranging and preferentially amplifying the pictures of the monitoring video corresponding to the important event information mark points comprises the following steps:
counting the number of map marking points corresponding to the important event information to generate the number of important event landmarks;
when the number of the important event landmarks is less than the number of the presettable maximum magnified video pictures, magnifying the pictures of the monitoring video corresponding to all the important event information marking points;
and when the number of the important event landmarks is larger than the preset maximum number of the enlarged video pictures, circularly playing the video pictures with the maximum pictures of the monitoring video corresponding to the important event information mark points in turn.
4. The video management method according to claim 1, wherein the steps of linking the event information with the monitoring video and enlarging and playing the screen include:
linking the event information, the map mark points and the corresponding monitoring videos according to the event places in the event information;
performing dynamic classification processing on the event information each time, issuing an information notification after performing quantity statistics and classification sequencing, and identifying the event information with classification change;
when the event information type is identified to be changed into important event information, automatically executing the important event information amplification instruction on the event information so as to extract a map mark point corresponding to the important event information and amplify a picture of a monitoring video corresponding to the map mark point;
and when target event information generated by operating the event information in the information notification by a user is identified, automatically executing a target event information amplification instruction to extract a map mark point corresponding to the target event information and amplify the picture of the monitoring video corresponding to the map mark point.
5. The utility model provides a video management system based on wisdom city management system which characterized in that includes:
the mark point generating module is used for acquiring a monitoring video and the geographic coordinate of the monitoring video and distributing map mark points for the monitoring video on the electronic map according to the geographic coordinate;
the link module is used for acquiring event information, performing link processing and picture amplification playing on the event information and the monitoring video, wherein the event information comprises common event information and important event information, the event information comprises corresponding map mark points and corresponding pictures of the monitoring video, the event information is managed and arranged according to important grades, and the quantity of the event information is dynamic statistics;
the target event generating module is used for acquiring target event information generated when a user operates the event information;
the instruction acquisition module is used for acquiring an operation instruction of a user in real time, wherein the operation instruction comprises a picture size adjusting instruction, an important event information amplifying instruction, a target event information amplifying instruction and an event information backtracking instruction;
the size adjusting module is used for extracting the map mark points corresponding to the picture size adjusting instruction when the picture size adjusting instruction is obtained, amplifying the pictures of the monitoring videos corresponding to the map mark points and reducing the rest monitoring videos to be the map mark points;
the important event video priority amplification module is used for extracting important event information mark points corresponding to the important event information when the important event information amplification instruction is acquired, and automatically arranging and preferentially amplifying the pictures of the monitored video corresponding to the important event information mark points;
the target event video amplification module is used for extracting a map mark point corresponding to the target event information and amplifying a picture of a monitoring video corresponding to the map mark point when the target event information amplification instruction is acquired;
and the event backtracking video playing module is used for extracting a backtracking mark point and a backtracking time node corresponding to the backtracking event information when the event information backtracking instruction is obtained, calling the monitoring video corresponding to the backtracking mark point, and playing the monitoring video from the backtracking time node, wherein the backtracking event information is the common event information, the important event information or the target event information.
6. The video management system according to claim 5, wherein the important event video priority amplification module comprises:
a dynamic classification judging unit, configured to judge whether the number of the important event information is smaller than a preset maximum number of enlarged video frames after dynamically classifying the event information each time;
a compatible amplifying unit, configured to amplify the picture of the surveillance video corresponding to the important event information mark point and the picture of the surveillance video corresponding to the common event information when the number of the important event information is less than the preset maximum number of the amplified video pictures;
the independent amplifying unit is used for amplifying only the picture of the monitoring video corresponding to the important event information mark point when the number of the important event information is greater than or equal to the number of the presettable maximum amplified video pictures;
and the synchronization unit is used for synchronously changing the corresponding map mark points and the pictures of the monitoring videos when the geographic coordinates of the important event information change, and automatically adjusting the scale display of the electronic map.
7. The video management system according to claim 5, wherein the important event information amplification command comprises a rotation circulation amplification command;
the important event video priority amplification module comprises:
the statistical unit is used for counting the number of the map marking points corresponding to the important event information to generate the number of important event landmarks;
the all-amplifying unit is used for amplifying the pictures of the monitoring videos corresponding to all the important event information marking points when the number of the important event landmarks is less than the number of the presettable maximum amplified video pictures;
and the alternate circulation playing unit is used for alternately and circularly playing the video pictures with the largest pictures of the monitoring videos corresponding to the important event information mark points when the number of the important event landmarks is more than the preset maximum number of the amplified video pictures.
8. The smart city management system-based video management system of claim 5, wherein the linking module comprises:
the event video linking unit is used for linking the event information, the map mark points and the corresponding monitoring videos according to the event places in the event information;
the information issuing unit is used for performing dynamic classification processing on the event information each time, issuing information notification after performing quantity statistics and classification sequencing, and identifying the event information with classification change;
the updating important event video amplifying unit is used for automatically executing the important event information amplifying instruction on the event information when the fact that the type of the event information is changed into the important event information is recognized, so as to extract a map mark point corresponding to the important event information and amplify the picture of the monitoring video corresponding to the map mark point;
and the notification target event amplifying unit is used for automatically executing the target event information amplifying instruction when the target event information generated by the operation of the user on the event information in the information notification is identified so as to extract the map mark point corresponding to the target event information and amplify the picture of the monitoring video corresponding to the map mark point.
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