CN104714960A - Method and system for adsorbing multimedia information through track points - Google Patents
Method and system for adsorbing multimedia information through track points Download PDFInfo
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Abstract
The invention relates to a method and system for adsorbing multimedia information through track points, and belongs to the technical field of computer geographical information systems. In an existing geographical information system, generally speaking, track point information can only show the movement attribute of a target. The method includes the following steps: 1, responding to a map operation to obtain query conditions; 2, querying all track points of the target according to the query conditions, and drawing a track on a map; 3, querying all the related multimedia information according to the coordinates and geographical radii of the track points; 4, classifying and aggregating the related multimedia information; 5, hooking the multimedia event information to a time axis according to the sequence of occurrence time. By adopting the method and system, the related information such as videos, voices, pictures and texts around the track points of the target can be conveniently and rapidly shown on the electronic map, and then information of the track points of the target can be closely and sequentially related to the multimedia information of events occurring around the track points of the target.
Description
Technical field
The present invention relates to geographic information computer system technical field, be specifically related to the method and system of a kind of tracing point absorption multimedia messages.
Background technology
In geographic information computer system, a kind of common application is: the tracing point drawing target travel on electronic chart, and presents to user after connecting with line, becomes target trajectory.
In existing Geographic Information System, tracing point information generally only can show the movement properties (position, speed, direction, elevation etc.) of target.But along with the function of locating terminal (GPS terminal, Big Dipper terminal, mobile phone, IPad etc.) promotes rapidly, user not only wonders the motion track information of target self, also create a kind of demand: there occurs what (such as: crossing camera video, high speed bayonet socket image, periphery case information, calling record, Big Dipper note, warning message etc.) at target trajectory point periphery? a large amount of and abundant multimedia event information is relevant to tracing point, but cannot science and orderly tissue and displaying.And in fields such as crime analysis, traffic accident analysis, vehicle monitoring managements, this demand just all the more becomes clear, and realizes this particular demands, is just consistent with large data background.Therefore, need a kind of by target trajectory point periphery relevant information (video, audio frequency, picture, text), the method and system that electronic chart is shown.
Summary of the invention
For defect existing in prior art, a kind of tracing point is the object of the present invention is to provide to adsorb the method and system of multimedia messages.The information such as video, audio frequency, picture, text that target trajectory point periphery is relevant can be shown by the method and system quickly and easily on electronic chart, thus target trajectory dot information and tight and orderly the carrying out of periphery event multimedia messages thereof is associated.
For reaching above object, the technical solution used in the present invention is:
A method for tracing point absorption multimedia messages, comprises the following steps:
(1) responsively graphic operation, obtains querying condition;
(2) according to querying condition, all tracing points of query aim, and track is plotted on map;
(3) according to tracing point coordinate and geographical radius, all associated multimedia information is inquired about;
(4) associated multimedia information classification is polymerized;
(5) with its time of origin for sequence, by multimedia event information mounting on a timeline.
Further, in step (1), described querying condition comprises one or more Target id, geographic range and/or time range.
Further, in step (3), described multimedia messages is the media data containing longitude and latitude, comprises audio frequency, video, image, animation, text message.
Further, in step (4), also comprise the mapping of setting up tracing point and multimedia messages, be cached to this locality.
Further, the method setting up the mapping of tracing point and multimedia messages comprises the following steps:
First the data of all multimedia messagess within the tracing point surrounding geographical radius inquired are left in mapping ensemblen with the form of media data I D;
Secondly, by track point set with time of origin be foundation calibration position point on a timeline;
During location point icon upon activation on countershaft, take out all media data I D according to tracing point ID, row-column list of going forward side by side shows;
When triggering certain media data I D in list, taking out this media data, playing.
Further, in step (4), a corresponding one or more tracing point of event, when querying condition changes, is shown on map fast.
Further again, method of the present invention also comprises:
Step (6), judge geographical axle, whether time shaft scope change, according to the map information of the 4th step institute buffer memory, rapid screening also filters out unwanted tracing point and event multimedia messages, and shows;
When showing, carrying out screening according to classification by multimedia channel switch and whether show, filtering tracing point representing which kind of multimedia messages, thus eliminate redundancy media information.
Further, in step (5), the event multimedia messages in tracing point movement properties information and surrounding geographical radius thereof is associated.
Further, linkage display is carried out by time shaft and geographical axle and tracing point and peripheral information, by changing time conditions and geographical radius condition, dynamically representing tracing point and periphery multimedia messages thereof, and showing the various multimedia messages of audio frequency, video, text immediately.
A system for tracing point absorption multimedia messages, comprises with lower module:
Engine map module: for providing map denotation service, the operations such as response map convergent-divergent, and Target id, geographic range and time range are passed to coordinate enquiry module;
Coordinate enquiry module: for according to conditions such as Target id, geographic range, time ranges, carry out the inquiry of tracing point coordinate, passes to result the drafting that screening drafting module carries out tracing point, passes to the inquiry that Media Inquiries module carries out multimedia messages simultaneously;
Media Inquiries module: for according to all tracing point coordinates, geographical axis values or default radii value, carry out event multimedia information inquiry, result is passed to classification aggregation module;
Classification aggregation module: for carrying out a point Type of Collective to the Query Result of Media Inquiries module by media categories, and carry out mapping with tracing point and mate, set up Indexing Mechanism, be cached to this locality;
Screening drafting module: for according to the change conditions of geographical axle and time shaft and the selection of media categories, sorted for polymerization event multimedia messages and tracing point information are again screened, filter, the information after process, draw and be illustrated on electronic chart.
Effect of the present invention is: adopt method and system of the present invention, can quickly and easily by video relevant for target trajectory point periphery, audio frequency, picture, the information such as text are shown on electronic chart, thus target trajectory dot information and tight and orderly the carrying out of periphery event multimedia messages thereof are associated, and produce interlock, filter, the effect dynamically presented, index-mapping is cached to this locality, the multimedia event information under different condition can be inquired about fast, thus provide more horn of plenty for trajectory analysis function, full and accurate, lively evidence and instrument, for crime is analyzed, traffic accident analysis, the fields such as vehicle monitoring management, effective technical support and service are provided.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of method described in the specific embodiment of the invention;
Fig. 2 is stream compression graph of a relation between the structure of system described in the specific embodiment of the invention and each module;
Fig. 3 is the schematic diagram of existing Geographic Information System when showing trace information;
Fig. 4 is the operating effect schematic diagram of method described in the specific embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Main thought of the present invention is:
1) tracing point periphery multimedia messages is dynamically extracted by " geographical axle ";
2) screened for multimedia messages by " classification aggregation module ";
3) by the change of " geographical axle " and " time shaft ", link with tracing point and show.
As shown in Figure 1, a kind of method of tracing point absorption multimedia messages, comprises the following steps:
S1, the first step, responsively graphic operation, obtain querying condition, described querying condition comprises one or more Target id, geographic range, time range etc.;
Described responsively graphic operation only generality describes the means obtaining querying condition, and can be manual input objectives ID, geography, time value, the suction parameter as this method inputs; Also can be by " drawing frame to search for " functional inquiry.
" drawing frame to search for " is function the most frequently used in generalized information system, its specific design does not have novelty technically, and rudimentary algorithm is: Tula, ground frame operates, and---frame coordinate range is drawn in the acquisition of > engine map, and all Target ids within the scope of frame are drawn in---> is according to drawing frame range query database---> acquisition.
Described geographic range refers to pulled " rectangle frame ", described time range and user-selected time range.
S2, second step, according to querying conditions such as Target id, geographic range and/or time ranges, all tracing points of query aim, and track is plotted on map;
Track is plotted on map and can adopts existing routine techniques; the Google Maps, Baidu's map, high moral map etc. of current main flow; its engine map interface is all open; a tracing point (that is: latitude and longitude coordinates) can be plotted on map by research staff; also point can be linked to be line, namely become track.
S3, the 3rd step, according to tracing point coordinate and geographical radius, inquire about all associated multimedia information, described multimedia messages is the media data containing longitude and latitude, comprises the information such as audio frequency, video, image, animation, text;
S4, the 4th step, is polymerized associated multimedia information classification, sets up the mapping of tracing point and multimedia messages, be cached to this locality;
In the present embodiment, the method setting up the mapping of tracing point and multimedia messages comprises the following steps:
First the data of all multimedia messagess within the tracing point surrounding geographical radius inquired are left in mapping ensemblen with the form of media data I D;
Secondly, by track point set, take time of origin as foundation calibration position point on a timeline;
During location point icon upon activation on countershaft, take out all media data I D according to tracing point ID, row-column list of going forward side by side shows;
Further, when triggering certain media data I D in list, taking out this media data, playing.
S5, the 5th step, with its time of origin for sequence, by multimedia event information mounting on a timeline;
First multimedia event information is associated with tracing point ID in the mode of mapping ensemblen! , the time then occurred according to tracing point is foundation, demarcates tracing point icon on a timeline.
S6, the 6th step, judge geographical axle, whether time shaft scope change, according to the map information of the 4th step institute buffer memory, rapid screening also filters out unwanted tracing point and event multimedia messages, and shows.
As shown in Figure 3, existing Geographic Information System, when showing trace information, only has the movement properties information of tracing point, does not associate with event multimedia messages.
In the present embodiment, the present invention associates the event multimedia messages in tracing point movement properties information and surrounding geographical radius thereof, has more value for analysis tracing point track situation, correlating event.
The present invention carries out linkage display by time shaft and geographical axle and tracing point and peripheral information, by changing time conditions and geographical radius condition, dynamically represent tracing point and periphery multimedia messages thereof, and the multimedia messagess such as audio frequency, video, text can be shown immediately.
The present invention also by classification aggregation module, sets up the mapping between tracing point and event multimedia messages, and event can corresponding multiple tracing point, and solve multi-trace like this when intersecting, event should be associated with the problem of which bar track.Mapping result is cached to this locality simultaneously, when querying condition changes, can is shown on map fast, improves search efficiency, achieve real-time linkage effect.
As shown in Figure 2, a kind of system of tracing point absorption multimedia messages, comprises with lower module:
Engine map module: for providing map denotation service, the operations such as response map convergent-divergent, and Target id, geographic range and time range are passed to coordinate enquiry module;
Coordinate enquiry module: for according to conditions such as Target id, geographic range, time ranges, carry out the inquiry of tracing point coordinate, passes to result the drafting that screening drafting module carries out tracing point, passes to the inquiry that Media Inquiries module carries out multimedia messages simultaneously;
Media Inquiries module: for according to all tracing point coordinates, geographical axis values or default radii value, carry out event multimedia information inquiry, result is passed to classification aggregation module;
Classification aggregation module: for carrying out a point Type of Collective to the Query Result of Media Inquiries module by media categories, and carry out mapping with tracing point and mate, set up Indexing Mechanism, be cached to this locality;
Screening drafting module: for according to the change conditions of geographical axle and time shaft and the selection of media categories, sorted for polymerization event multimedia messages and tracing point information are again screened, filter, the information after process, draw and be illustrated on electronic chart.
Stream compression relation between above-mentioned each module as shown in Figure 2.
Fig. 4 is the operating effect schematic diagram of method described in the specific embodiment of the invention, as shown in Figure 4, have also been devised in the present embodiment " multimedia channel switch ", the list of all medium types within promising tracing point surrounding geographical radius in figure, can carry out screening whether showing according to classification, can filter tracing point representing which kind of multimedia messages like this, thus eliminate redundancy media information.
Pass through above-described embodiment, can find out: adopt method and system of the present invention, can quickly and easily by video relevant for target trajectory point periphery, audio frequency, picture, the information such as text are shown on electronic chart, thus target trajectory dot information and tight and orderly the carrying out of periphery event multimedia messages thereof are associated, and produce interlock, filter, the effect dynamically presented, index-mapping is cached to this locality, the multimedia event information under different condition can be inquired about fast, thus provide more horn of plenty for trajectory analysis function, full and accurate, lively evidence and instrument, for crime is analyzed, traffic accident analysis, the fields such as vehicle monitoring management, effective technical support and service are provided.
Method and system of the present invention is not limited to the embodiment described in embodiment, and those skilled in the art's technical scheme according to the present invention draws and other embodiment belongs to technological innovation scope of the present invention equally.
Claims (10)
1. a method for tracing point absorption multimedia messages, comprises the following steps:
(1) responsively graphic operation, obtains querying condition;
(2) according to querying condition, all tracing points of query aim, and track is plotted on map;
(3) according to tracing point coordinate and geographical radius, all associated multimedia information is inquired about;
(4) associated multimedia information classification is polymerized;
(5) with its time of origin for sequence, by multimedia event information mounting on a timeline.
2. the method for a kind of tracing point absorption multimedia messages as claimed in claim 1, is characterized in that: in step (1), described querying condition comprises one or more Target id, geographic range and/or time range.
3. the method for a kind of tracing point absorption multimedia messages as claimed in claim 1, is characterized in that: in step (3), described multimedia messages is the media data containing longitude and latitude, comprises audio frequency, video, image, animation, text message.
4. the method for a kind of tracing point absorption multimedia messages as claimed in claim 1, is characterized in that: in step (4), also comprise the mapping of setting up tracing point and multimedia messages, be cached to this locality.
5. the method for a kind of tracing point absorption multimedia messages as claimed in claim 4, it is characterized in that, the method setting up the mapping of tracing point and multimedia messages comprises the following steps:
First the data of all multimedia messagess within the tracing point surrounding geographical radius inquired are left in mapping ensemblen with the form of media data I D;
Secondly, by track point set with time of origin be foundation calibration position point on a timeline;
During location point icon upon activation on countershaft, take out all media data I D according to tracing point ID, row-column list of going forward side by side shows;
When triggering certain media data I D in list, taking out this media data, playing.
6. the method for a kind of tracing point absorption multimedia messages as claimed in claim 5, is characterized in that: in step (4), and a corresponding one or more tracing point of event, when querying condition changes, is shown on map fast.
7. the method for a kind of tracing point absorption multimedia messages as claimed in claim 6, it is characterized in that, the method also comprises:
Step (6), judge geographical axle, whether time shaft scope change, according to the map information of step (4) institute buffer memory, rapid screening also filters out unwanted tracing point and event multimedia messages, and shows;
When showing, carrying out screening according to classification by multimedia channel switch and whether show, filtering tracing point representing which kind of multimedia messages, thus eliminate redundancy media information.
8. the method for a kind of tracing point absorption multimedia messages as described in as arbitrary in claim 1 to 7, is characterized in that: in step (5), the event multimedia messages in tracing point movement properties information and surrounding geographical radius thereof is associated.
9. the method for a kind of tracing point absorption multimedia messages as described in as arbitrary in claim 1 to 7, it is characterized in that: carry out linkage display by time shaft and geographical axle and tracing point and peripheral information, by changing time conditions and geographical radius condition, dynamically represent tracing point and periphery multimedia messages thereof, and show the various multimedia messages of audio frequency, video, text immediately.
10. a system for tracing point absorption multimedia messages, comprises with lower module:
Engine map module: for providing map denotation service, the operations such as response map convergent-divergent, and Target id, geographic range and time range are passed to coordinate enquiry module;
Coordinate enquiry module: for according to conditions such as Target id, geographic range, time ranges, carry out the inquiry of tracing point coordinate, passes to result the drafting that screening drafting module carries out tracing point, passes to the inquiry that Media Inquiries module carries out multimedia messages simultaneously;
Media Inquiries module: for according to all tracing point coordinates, geographical axis values or default radii value, carry out event multimedia information inquiry, result is passed to classification aggregation module;
Classification aggregation module: for carrying out a point Type of Collective to the Query Result of Media Inquiries module by media categories, and carry out mapping with tracing point and mate, set up Indexing Mechanism, be cached to this locality;
Screening drafting module: for according to the change conditions of geographical axle and time shaft and the selection of media categories, sorted for polymerization event multimedia messages and tracing point information are again screened, filter, the information after process, draw and be illustrated on electronic chart.
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| CN109726301A (en) * | 2019-01-08 | 2019-05-07 | 湖南科技大学 | A kind of system and method for wechat small routine recording track and multimedia messages |
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| CN111814076A (en) * | 2020-06-12 | 2020-10-23 | 西安热工研究院有限公司 | Power station position mark query method, system, equipment and readable storage medium |
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| CN112004031B (en) * | 2020-07-31 | 2023-04-07 | 北京完美知识科技有限公司 | Video generation method, device and equipment |
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