CN103780928A - Method and system of adding position information in video information and video management server - Google Patents
Method and system of adding position information in video information and video management server Download PDFInfo
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- CN103780928A CN103780928A CN201210415390.XA CN201210415390A CN103780928A CN 103780928 A CN103780928 A CN 103780928A CN 201210415390 A CN201210415390 A CN 201210415390A CN 103780928 A CN103780928 A CN 103780928A
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Abstract
The present invention discloses a method and a system of adding position information in video information and a video management server. The method comprises the steps of receiving the recorded video real-timely; receiving the current latitude and longitude coordinates obtained by a mobile terminal via a GPS arranged in the mobile terminal and according to a set acquisition frequency real-timely; comparing the current latitude and longitude coordinates with the last time obtained latitude and longitude coordinates; if a distance is less than a set acquisition precision, ignoring the current latitude and longitude coordinates, or else recording the current latitude and longitude coordinates and the video recording time points corresponding to the current latitude and longitude coordinates; querying the map information from a GPS map information database according to the current latitude and longitude coordinates to obtain a place name corresponding to the current latitude and longitude coordinates; and superposing the place name corresponding to the video recording time points to a fixed position of a recorded video picture according to the video recording time points. The embodiment of the present invention enables the video viewers to see the dynamically updated recording position information.
Description
Technical field
The present invention relates to technical field of video processing, especially, relate to a kind of method, system and video management server that adds positional information in video information.
Background technology
In recent years, along with the development of wireless broadband network technology and mobile terminal technology, in mobile terminal, utilize wireless network to record, upload or the mobile video business of displaying video has become one of most important business of mobile Internet.Because video is usually taken in moving process, so, the recording location while watching the people of video to wish to know video capture.
But, in the person's that presents to video-see in prior art video pictures, conventionally only comprising video information itself, person can not recognize the particular geographic location information of taking this video in real time to make video-see.
Summary of the invention
The technical problem that the embodiment of the present invention will solve is to provide a kind of method, system and video management server that adds positional information in video information, can in the video of mobile terminal collection, dynamically present video capture location information.
The embodiment of the present invention provides a kind of method that adds positional information in video information, comprises the video that real-time mobile terminal receive is recorded; The current latitude and longitude coordinates that mobile terminal receive obtains by being built in the GPS of mobile terminal according to the frequency acquisition arranging in the time carrying out video record in real time; The latitude and longitude coordinates of current latitude and longitude coordinates and acquisition last time is compared; If distance is less than the acquisition precision of setting, ignores current latitude and longitude coordinates, otherwise record current latitude and longitude coordinates and the video record time point corresponding with current latitude and longitude coordinates; From GPS map information database, inquire about cartographic information according to current latitude and longitude coordinates, to obtain the place name corresponding with current latitude and longitude coordinates; According to video record time point by the be added to fixed position of institute's recorded video picture of the place name corresponding with video record time point.
Alternatively, the method is also included in and in video record process, dynamically updates frequency acquisition and acquisition precision.
Alternatively, place name is shown in the bottom of institute's recorded video picture in the mode of rolling.
Alternatively, the mode of rolling is for incision, right-to-left incision from left to right or stir form.
The embodiment of the present invention also provides a kind of video management server, comprises video reception unit, for the video that mobile terminal receive is recorded in real time; Latitude and longitude information receiving element, for the current latitude and longitude coordinates that mobile terminal receive obtains by being built in the GPS of mobile terminal according to the frequency acquisition arranging in the time carrying out video record in real time; Latitude and longitude information comparing unit, for comparing the latitude and longitude coordinates of current latitude and longitude coordinates and acquisition last time; Information recording unit, if be less than the acquisition precision of setting for distance, ignore current latitude and longitude coordinates, otherwise records current latitude and longitude coordinates and the video record time point corresponding with current latitude and longitude coordinates; Place name acquiring unit, for inquiring about cartographic information according to current latitude and longitude coordinates from GPS map information database, to obtain the place name corresponding with current latitude and longitude coordinates; Place name superpositing unit, for according to video record time point by the be added to fixed position of institute's recorded video picture of the place name corresponding with video record time point.
Alternatively, this video management server also comprises updating block, for dynamically updating frequency acquisition and acquisition precision in video record process.
Alternatively, place name is shown in the bottom of institute's recorded video picture in the mode of rolling.
Alternatively, the mode of rolling is for incision, right-to-left incision from left to right or stir form.
The embodiment of the present invention provides again a kind of system that adds positional information in video information, comprises the video management server in mobile terminal and previous embodiment, and mobile terminal is mutual by mobile network and video management server.
Alternatively, mobile terminal carries out video record and obtains current latitude and longitude coordinates according to the frequency acquisition arranging by being built in the GPS of mobile terminal.
The method that adds positional information in video information, system and video management server that the embodiment of the present invention provides, obtain the latitude and longitude information of video record position by GPS by setting frequency acquisition, latitude and longitude information is converted to place name to improve readability, then dynamically updates place name based on the common definite renewal frequency of frequency acquisition and acquisition precision in the fixed position of institute's recorded video picture.The shared image spacing of this mode recording location information is little, but also can make video-see, person watches the recording location information dynamically updating.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of an embodiment of the present invention's method of adding positional information in video information.
Fig. 2 is the schematic diagram that the present invention shows the mode of place name in video pictures.
Fig. 3 is the schematic flow sheet that the present invention adds another embodiment of the method for positional information in video information.
Fig. 4 is the structural representation of an embodiment of video management server of the present invention.
Fig. 5 is the structural representation of another embodiment of video management server of the present invention.
Fig. 6 is the structural representation of an embodiment of the present invention's system of adding positional information in video information.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but do not form inappropriate limitation of the present invention.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
Following embodiment of the present invention is by adding the mode of dynamic location information to solve the problem that rationally presents video follow shot place in the video of mobile terminal collection in the video information of taking in real time at mobile terminal.
Fig. 1 is the schematic flow sheet of an embodiment of the present invention's method of adding positional information in video information.
As shown in Figure 1, this embodiment can comprise the following steps:
S102, the video that in real time mobile terminal receive is recorded, by recorded video storage in video management server;
S104, in real time mobile terminal receive in the time carrying out video record according to the frequency acquisition arranging by being built in the GPS(Global Position System of mobile terminal, global positioning system) the current latitude and longitude coordinates (x, y) of mobile terminal obtained;
S106, the latitude and longitude coordinates that latitude and longitude coordinates current mobile terminal and GPS were obtained last time compares, for example, if the current latitude and longitude coordinates of mobile terminal is (x, y), the latitude and longitude coordinates that obtained last time be (x0, y0), and the distance between the current latitude and longitude coordinates of mobile terminal and the latitude and longitude coordinates of acquisition last time is for being expressed as:
S108, if the distance between the latitude and longitude coordinates that the latitude and longitude coordinates that mobile terminal is current and last time obtain is less than the acquisition precision of setting, show that the current position of the mobile terminal change in location that GPS obtains relative last time is very little, ignore current latitude and longitude coordinates, do not record gathered current latitude and longitude coordinates, otherwise record current latitude and longitude coordinates and the video record time point corresponding with current latitude and longitude coordinates;
S110 inquires about cartographic information according to current latitude and longitude coordinates from GPS map information database, and to obtain the place name corresponding with current latitude and longitude coordinates, the positional information showing in picture like this has better readability with respect to latitude and longitude information;
Particularly, by GIS(Geographic Information System, GIS-Geographic Information System) system is against geocoding technology, according to the geographical location information of recording place, from GPS map data base, inquire about the cartographic information of current location, and be converted to place name Word message;
S112, according to video record time point by the be added to fixed position of institute's recorded video picture of the place name corresponding with video record time point;
Particularly, according to place name captions and the good time shaft of video accurate adjustment, both are synthesized after the new video files that contains captions again by the network person that is sent to video-see, so that video-see person can see the video image of recording place that comprises dynamic change.
This embodiment obtains the latitude and longitude information of video record position by setting frequency acquisition by GPS, latitude and longitude information is converted to place name to improve readability, then dynamically updates place name based on the common definite renewal frequency of frequency acquisition and acquisition precision in the fixed position of institute's recorded video picture.The shared image spacing of this mode recording location information is little, but also can make video-see, person watches the recording location information dynamically updating.
Alternatively, need in video record process, to dynamically update frequency acquisition and acquisition precision according to user.For example, move when very fast when carrying the user of mobile terminal, can suitably increase frequency acquisition and acquisition precision.Wherein, can utilize current latitude and longitude coordinates and last time the distance threshold between latitude and longitude coordinates represent acquisition precision, distance threshold is less, acquisition precision is higher.
In addition, can show place name in the mode of rolling in the bottom of institute's recorded video picture, as shown in Figure 2.In the time showing with roll mode, can in the time that wanting to pay close attention to positional information, user obtain this information from picture at any time.Further, the mode of rolling can or be stirred form for incision from left to right, right-to-left incision.Show that in video pictures bottom place name can cover actual video content as little as possible, because the focus of video is the center near screen substantially, and can be in the surrounding of screen, therefore below video pictures, the mode of overlapping text can farthest retain original video information, and the attentiveness that also can disperse as little as possible beholder in the bottom of picture, to improve viewing effect.
Fig. 3 is the schematic flow sheet that the present invention adds another embodiment of the method for positional information in video information.
As shown in Figure 3, this embodiment can comprise the following steps:
S302, the frequency acquisition t and the acquisition precision s that gather the geographical location information of recording place are set, wherein, the frequency acquisition t of positional information refers to the mobile terminal Current GPS locator data latitude and longitude coordinates of obtaining recorded video every t second, t rounds numerical value, and acquisition precision s refers to the distance threshold between adjacent twice coordinate acquisition;
S304, in the time carrying out video record, obtains the latitude and longitude coordinates (x, y) of positional information according to the frequency acquisition arranging;
S306, judges the current latitude and longitude coordinates (x, y) and the latitude and longitude coordinates (x0 obtaining last time of mobile terminal that GPS obtains, whether the distance y0) is greater than acquisition precision s,, whether is greater than the distance threshold of setting that is, as be less than the distance threshold of setting, turn back to step S304;
S308, as be greater than the distance threshold of setting, record time point and the latitude and longitude coordinates (x, y) of video record;
S310, video management server Real-time Obtaining is recorded the geographical location information in place, that is, and latitude and longitude coordinates;
S312 inquires about cartographic information according to the geographical location information of recording place from GPS map information database, obtains the place name information corresponding with latitude and longitude coordinates;
S314 shows the rolling place name captions of recording path in the video of recording, and while making to play the video of recording, the place showing in the video of recording is identical with the place showing in institute recording path captions.
One of ordinary skill in the art will appreciate that, whole and the part steps that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computing equipment read/write memory medium, this program is in the time carrying out, execution comprises the step of said method embodiment, and aforesaid storage medium can comprise the various media that can be program code stored such as ROM, RAM, magnetic disc and CD.
Fig. 4 is the structural representation of an embodiment of video management server of the present invention.
As shown in Figure 4, the video management server 40 in this embodiment can comprise video reception unit 402, latitude and longitude information receiving element 404, latitude and longitude information comparing unit 406, information recording unit 408, place name acquiring unit 410 and place name superpositing unit 412.
Wherein, the video that video reception unit 402 is recorded for real-time mobile terminal receive; The current latitude and longitude coordinates that latitude and longitude information receiving element 404 obtains by being built in the GPS of mobile terminal according to the frequency acquisition arranging in the time carrying out video record for real-time mobile terminal receive; Latitude and longitude information comparing unit 406 is for comparing the latitude and longitude coordinates of current latitude and longitude coordinates and acquisition last time; If distance is less than the acquisition precision of setting, information recording unit 408 is for ignoring current latitude and longitude coordinates, otherwise records current latitude and longitude coordinates and the video record time point corresponding with current latitude and longitude coordinates; Place name acquiring unit 410 is for inquiring about cartographic information according to current latitude and longitude coordinates from GPS map information database, to obtain the place name corresponding with current latitude and longitude coordinates; Place name superpositing unit 412 for according to video record time point by the be added to fixed position of institute's recorded video picture of the place name corresponding with video record time point.
This embodiment obtains the latitude and longitude information of video record position by setting frequency acquisition by GPS, latitude and longitude information is converted to place name to improve readability, then dynamically updates place name based on the common definite renewal frequency of frequency acquisition and acquisition precision in the fixed position of institute's recorded video picture.The shared image spacing of this mode recording location information is little, but also can make video-see, person watches the recording location information dynamically updating.
Fig. 5 is the structural representation of another embodiment of video management server of the present invention.
As shown in Figure 5, compared with embodiment in Fig. 4, the video management server 50 in this embodiment can also comprise updating block 502, for dynamically updating frequency acquisition and acquisition precision in video record process.
For example, move when slower when carrying the user of mobile terminal, can suitably reduce frequency acquisition and acquisition precision.Wherein, can utilize current latitude and longitude coordinates and last time the distance threshold between latitude and longitude coordinates represent acquisition precision, distance threshold is larger, acquisition precision is lower.
In addition, can show place name in the mode of rolling in the bottom of institute's recorded video picture.In the time showing with roll mode, can in the time that wanting to pay close attention to positional information, user obtain this information from picture at any time.Further, the mode of rolling can or be stirred form for incision from left to right, right-to-left incision.Show that in video pictures bottom place name can cover actual video content as little as possible, and also can disperse as little as possible beholder's attentiveness in the bottom of picture, to improve viewing effect.
Fig. 6 is the structural representation of an embodiment of the present invention's system of adding positional information in video information.
As shown in Figure 6, the system 60 in this embodiment can comprise mobile terminal 602 and video management server 604, and mobile terminal 602 is mutual by mobile network and video management server 604.Wherein, video management server 604 can be realized by the embodiment in Fig. 4 or Fig. 5.
Further, mobile terminal carries out video record and obtains current latitude and longitude coordinates according to the frequency acquisition arranging by being built in the GPS of mobile terminal.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that part identical with similar between each embodiment can cross-references.For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part can be referring to the explanation of embodiment of the method part.
The above embodiment of the present invention can show the geography information of recording path in video by the form of dynamic rolling captions, thus the whole process of recording to beholder's display video fully.
Although specific embodiments more of the present invention are had been described in detail by example, it should be appreciated by those skilled in the art, above example is only in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (10)
1. a method that adds positional information in video information, is characterized in that, comprising:
The video that mobile terminal receive is recorded in real time;
Receive in real time the current latitude and longitude coordinates that described mobile terminal obtains by being built in the GPS of described mobile terminal according to the frequency acquisition arranging in the time carrying out video record;
The latitude and longitude coordinates of described current latitude and longitude coordinates and acquisition last time is compared;
If distance is less than the acquisition precision of setting, ignores described current latitude and longitude coordinates, otherwise record described current latitude and longitude coordinates and the video record time point corresponding with described current latitude and longitude coordinates;
From GPS map information database, inquire about cartographic information according to described current latitude and longitude coordinates, to obtain the place name corresponding with described current latitude and longitude coordinates;
According to described video record time point by the be added to fixed position of institute's recorded video picture of the place name corresponding with described video record time point.
2. the method that adds positional information in video information according to claim 1, is characterized in that, described method also comprises:
In video record process, dynamically update described frequency acquisition and described acquisition precision.
3. the method that adds positional information in video information according to claim 1, is characterized in that, described place name is shown in the bottom of institute's recorded video picture in the mode of rolling.
4. the method that adds positional information in video information according to claim 3, is characterized in that, the mode of described rolling is for incision from left to right, right-to-left incision or stir form.
5. a video management server, is characterized in that, comprising:
Video reception unit, for the video that mobile terminal receive is recorded in real time;
Latitude and longitude information receiving element, for receiving in real time the current latitude and longitude coordinates that described mobile terminal obtains by being built in the GPS of described mobile terminal according to the frequency acquisition arranging in the time carrying out video record;
Latitude and longitude information comparing unit, for comparing the latitude and longitude coordinates of described current latitude and longitude coordinates and acquisition last time;
Information recording unit, if be less than the acquisition precision of setting for distance, ignore described current latitude and longitude coordinates, otherwise records described current latitude and longitude coordinates and the video record time point corresponding with described current latitude and longitude coordinates;
Place name acquiring unit, for inquiring about cartographic information according to described current latitude and longitude coordinates from GPS map information database, to obtain the place name corresponding with described current latitude and longitude coordinates;
Place name superpositing unit, for according to described video record time point by the be added to fixed position of institute's recorded video picture of the place name corresponding with described video record time point.
6. video management server according to claim 5, is characterized in that, described video management server also comprises:
Updating block, for dynamically updating described frequency acquisition and described acquisition precision in video record process.
7. video management server according to claim 5, is characterized in that, described place name is shown in the bottom of institute's recorded video picture in the mode of rolling.
8. video management server according to claim 7, is characterized in that, the mode of described rolling is for incision from left to right, right-to-left incision or stir form.
9. a system that adds positional information in video information, is characterized in that, comprises the video management server described in any one in mobile terminal and claim 5-8, and described mobile terminal is mutual by mobile network and described video management server.
10. the system that adds positional information in video information according to claim 9, is characterized in that, described mobile terminal carries out video record and obtains current latitude and longitude coordinates according to the frequency acquisition arranging by being built in the GPS of described mobile terminal.
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| CN110708591A (en) * | 2018-07-10 | 2020-01-17 | 杭州海康威视系统技术有限公司 | Image processing method and device and electronic equipment |
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