CN102519477A - Method and device for quick playback of historical route - Google Patents
Method and device for quick playback of historical route Download PDFInfo
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- CN102519477A CN102519477A CN2011103575882A CN201110357588A CN102519477A CN 102519477 A CN102519477 A CN 102519477A CN 2011103575882 A CN2011103575882 A CN 2011103575882A CN 201110357588 A CN201110357588 A CN 201110357588A CN 102519477 A CN102519477 A CN 102519477A
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Abstract
The invention discloses a method and a device for quick playback of a historic route. The method includes the steps of: acquiring the position information of a historic route; inquiring the off-set value of the position information; calculating the information of the actual position according to the position information and the off-set value, and positioning according to the information of the actual position. With method and the device for quick playback of the historic route disclosed by the invention, errors can be corrected and at the same time the corrected position information is marked on a map, so the speed of quick playback of the historical route is improved.
Description
Technical field
The present invention relates to navigation field, specially refer to the method and apparatus of the quick playback of a kind of historical track.
Background technology
The GPS location can be for vehicle provides cartographic information and navigation, and it is the historical track playback that a kind of navigation feature is wherein arranged, and is about to a certain in the past section path that the time expert crosses and on map, marks, to check historical driving path.But owing to the reason on state's laws or the policy; There is the certain deviation amount in map; The coordinate of any positional information only could mark on map after the skew exactly, and above-mentioned skew is to realize through certain algorithm, and the way of the historical track playback of adopting at present is the side-play amount through the algorithm computation historical track; Correction earlier, the historical track after will rectifying a deviation again all marks on map.The defective of above-mentioned way is that playback speed is slow.
Summary of the invention
Fundamental purpose of the present invention is the method that the quick playback of a kind of historical track is provided, and can improve playback speed.
The present invention proposes the method for the quick playback of a kind of historical track, comprising:
Obtain the positional information of historical track;
Inquire about the off-set value of said positional information;
Calculate actual position information according to said positional information and off-set value, according to said actual position information location.
Preferably, saidly calculate positional information accurately according to said positional information and off-set value, according to said positional information accurately location and show that historical track comprises:
Extract a positional information of said historical track;
Off-set value according to said positional information is corresponding is calculated actual position information;
Said actual position information is marked in map;
Judging whether said positional information is the last item positional information of historical track, is then to finish; Go on foot a positional information obtaining said historical track otherwise return.
Preferably, said positional information comprises latitude and longitude information.
Preferably, also comprise before the off-set value of the said positional information of said inquiry:
Through preset correction matrix computations off-set value.
The present invention also proposes the device of the quick playback of a kind of historical track, comprising:
Acquisition module is used to obtain the positional information of historical track;
Enquiry module is used to inquire about the off-set value of said positional information;
The compute location module is used for calculating actual position information according to said positional information and off-set value, according to said actual position information location.
Preferably, said compute location module comprises:
Extraction unit is used to extract a positional information of said historical track;
Computing unit is used for calculating actual position information according to the corresponding off-set value of said positional information;
The mark unit is used for said actual position information is marked in map;
Judging unit is used to judge whether said positional information is the last item positional information of historical track, otherwise returns the positional information that extraction module extracts said historical track.
Preferably, said positional information comprises latitude and longitude information.
Preferably, said device also comprises:
The calculations of offset module is used for through preset correction matrix computations off-set value.
The method and apparatus of the quick playback of a kind of historical track that the present invention proposes, the positional information while rectifying a deviation after the mark correction has improved the speed of historical track playback on map.
Description of drawings
Fig. 1 is the steps flow chart synoptic diagram of method one embodiment of the quick playback of historical track of the present invention;
Fig. 2 is the idiographic flow synoptic diagram of the method one embodiment step S103 of the quick playback of historical track of the present invention;
Fig. 3 is the steps flow chart synoptic diagram of another embodiment of method of the quick playback of historical track of the present invention;
Fig. 4 is the structural representation of device one embodiment of the quick playback of historical track of the present invention;
Fig. 5 is the concrete structure synoptic diagram of the device one embodiment compute location module of the quick playback of historical track of the present invention;
Fig. 6 is the structural representation of another embodiment of device of the quick playback of historical track of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, method one embodiment of the quick playback of historical track of the present invention is proposed.Wherein, this method can comprise:
Step S101, obtain the positional information of historical track;
The off-set value of step S102, the said positional information of inquiry;
Step S103, calculate actual position information according to said positional information and off-set value, according to said actual position information location.
With reference to Fig. 2, above-mentioned steps S103 can comprise:
Step S1031, obtain a positional information of said historical track;
Step S1032, calculate actual position information according to the corresponding off-set value of said positional information;
Step S1033, said actual position information is marked in map;
Step S1034, judging whether said positional information is the last item positional information of historical track, is then to finish; Otherwise return step S1031.
Present embodiment is applicable to various navigator such as global positioning system apparatus, the mobile phone with navigation feature or personal digital assistant etc.When the user carries out path navigation through above-mentioned navigator; Navigator is noted each positional information in the path of passing through automatically to memory module; When needs during to the playback of passing path, from this memory module, obtain all positional informations of historical track, the indication positional information is often referred to the latitude and longitude information of each position on the historical track etc. here; Above-mentioned positional information also is the GPS locating information simultaneously, the positional information that promptly receives from GPS.
Above-mentioned in the present embodiment navigator can be the equipment that rear-view mirror system etc. can navigate, and this memory module can be arranged at and can carry out vehicle service platform of communication etc. by this rear-view mirror system.
When needs carry out the historical track playback, at first need obtain the positional information that this section needs the playback history track, and through preset correction matrix computations off-set value.Then, from article one positional information of this historical track, travel through all positional informations and rectify a deviation.This correction can be latitude and longitude information and the off-set value according to record, calculates accurate latitude and longitude information.
With reference to Fig. 3, in another embodiment of the present invention, also comprise before the above-mentioned steps S102:
Step S104, correction matrix computations off-set value through presetting.
One correction matrix can be set in advance, the side-play amount of positional information in the positional information of record GPS and the corresponding map.Through inquiry correction matrix, how many positions are the positional information that can obtain each GPS need squint to meet the positional information of map.The correction matrix is obtained by certain inclined to one side algorithm that adds.After inquiring all corresponding side-play amounts of historical track, all side-play amounts are stored.
From the positional information of historical track, extract a positional information, the positional information that can be used for map according to this positional information and corresponding side-play amount accurately is data such as longitude and latitude, and these data are marked on map, accomplishes the reproduction of this positional information.Whether the positional information of judging said extracted last positional information of historical track, as not being, then continues to extract a positional information, and repeats the process of rectifying a deviation and marking, till the positional information mark of all GPS location finishes in historical track.
The method of the quick playback of above-mentioned historical track, but locate while rectifying a deviation, to locate again after finishing with respect to the whole corrections of the positional information of all historical tracks, its speed improves greatly; The playback of above-mentioned historical track all can realize on rear-view mirror system and vehicle service platform, and is convenient and practical; Especially on rearview mirror, realize, more can embody the advantage of its speed.
With reference to Fig. 4, device one embodiment of the quick playback of historical track of the present invention is proposed.Wherein, this device can comprise:
With reference to Fig. 5, compute location module 30 comprises:
Judging unit 34 is used to judge whether said positional information is the last item positional information of historical track, is not to return the positional information that extraction module 31 extracts said historical track.
The device of present embodiment can be various navigator such as global positioning system apparatus, the mobile phone with navigation feature or personal digital assistant etc.When the user carries out path navigation through above-mentioned navigator; Navigator is noted each positional information in the path of passing through automatically to memory module; When needs during to the playback of passing path, from this memory module, obtain all positional informations of historical track, the indication positional information is often referred to the latitude and longitude information of each position on the historical track etc. here; Above-mentioned positional information also is the GPS locating information simultaneously, the positional information that promptly receives from GPS.
Above-mentioned in the present embodiment navigator can be the equipment that rear-view mirror system etc. can navigate, and this memory module can be arranged at and can carry out vehicle service platform of communication etc. by this rear-view mirror system.
When needs carry out the historical track playback, at first need obtain the positional information that this section needs the playback history track, and through preset correction matrix computations off-set value.Then, from article one positional information of this historical track, travel through all positional informations and rectify a deviation.This correction can be latitude and longitude information and the off-set value according to record, calculates accurate latitude and longitude information.
With reference to Fig. 6, in another embodiment of the present invention, said apparatus also can comprise: calculations of offset module 40 is used for through preset correction matrix computations off-set value.One correction matrix can be set in advance, the side-play amount of positional information in the positional information of record GPS and the corresponding map.Through inquiry correction matrix, how many positions are the positional information that can obtain each GPS need squint to meet the positional information of map.The correction matrix is obtained by certain inclined to one side algorithm that adds.After inquiring all corresponding side-play amounts of historical track, all side-play amounts are temporary in memory module.
From the positional information of historical track, extract a positional information, the positional information that can be used for map according to this positional information and corresponding side-play amount accurately is data such as longitude and latitude, and these data are marked on map, accomplishes the reproduction of this positional information.Whether the positional information of judging said extracted last positional information of historical track, as not being, then continues to extract a positional information, and repeats the process of rectifying a deviation and marking, till the positional information mark of all GPS location finishes in historical track.
The device of the quick playback of above-mentioned historical track, but locate while rectifying a deviation, to locate again after finishing with respect to the whole corrections of the positional information of all historical tracks, its speed improves greatly; The playback of above-mentioned historical track all can realize on rear-view mirror system and vehicle service platform, and is convenient and practical; Especially on rearview mirror, realize, more can embody the advantage of its speed.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. the method for the quick playback of historical track is characterized in that, comprising:
Obtain the positional information of historical track;
Inquire about the off-set value of said positional information;
Calculate actual position information according to said positional information and off-set value, according to said actual position information location.
2. the method for the quick playback of historical track as claimed in claim 1 is characterized in that, saidly calculates positional information accurately according to said positional information and off-set value, according to said positional information accurately location and show that historical track comprises:
Extract a positional information of said historical track;
Off-set value according to said positional information is corresponding is calculated actual position information;
Said actual position information is marked in map;
Judging whether said positional information is the last item positional information of historical track, is then to finish; Go on foot a positional information obtaining said historical track otherwise return.
3. according to claim 1 or claim 2 the method for the quick playback of historical track is characterized in that said positional information comprises latitude and longitude information.
4. according to claim 1 or claim 2 the method for the quick playback of historical track is characterized in that, also comprises before the off-set value of the said positional information of said inquiry:
Through preset correction matrix computations off-set value.
5. the device of the quick playback of historical track is characterized in that, comprising:
Acquisition module is used to obtain the positional information of historical track;
Enquiry module is used to inquire about the off-set value of said positional information;
The compute location module is used for calculating actual position information according to said positional information and off-set value, according to said actual position information location.
6. the device of the quick playback of historical track as claimed in claim 5 is characterized in that, said compute location module comprises:
Extraction unit is used to extract a positional information of said historical track;
Computing unit is used for calculating actual position information according to the corresponding off-set value of said positional information;
The mark unit is used for said actual position information is marked in map;
Judging unit is used to judge whether said positional information is the last item positional information of historical track, otherwise returns the positional information that extraction module extracts said historical track.
7. like the device of claim 5 or the quick playback of 6 described historical tracks, it is characterized in that said positional information comprises latitude and longitude information.
8. like the device of claim 5 or the quick playback of 6 described historical tracks, it is characterized in that said device also comprises:
The calculations of offset module is used for through preset correction matrix computations off-set value.
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| CN2011103575882A CN102519477A (en) | 2011-11-11 | 2011-11-11 | Method and device for quick playback of historical route |
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| CN2011103575882A CN102519477A (en) | 2011-11-11 | 2011-11-11 | Method and device for quick playback of historical route |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103927795A (en) * | 2013-01-14 | 2014-07-16 | 北京中交兴路信息科技有限公司 | Method and system for replaying vehicle historical traveling track |
| CN105975626A (en) * | 2016-05-27 | 2016-09-28 | 海尔优家智能科技（北京）有限公司 | Coding method and device for geographical location information of equipment |
| CN107741944A (en) * | 2017-08-09 | 2018-02-27 | 成都路行通信息技术有限公司 | A kind of electronic map simulation track back method and system |
| CN108802776A (en) * | 2018-07-02 | 2018-11-13 | 武汉蓝泰源信息技术有限公司 | Public transport GPS method for correcting error based on abnormity point elimination and trace compression algorithm |
| CN109029485A (en) * | 2018-08-21 | 2018-12-18 | 北京深瞐科技有限公司 | Vehicle driving trace determines method and device |
| CN109710707A (en) * | 2018-12-06 | 2019-05-03 | 北斗天地股份有限公司 | A kind of method and device of big data trace playback |
| CN109740816A (en) * | 2018-12-28 | 2019-05-10 | 上海德启信息科技有限公司 | A kind of courier receives and sends situation monitoring method and device |
| CN110031876A (en) * | 2018-01-11 | 2019-07-19 | 中南大学 | A kind of vehicle mounted guidance tracing point offset antidote based on Kalman filtering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103927795A (en) * | 2013-01-14 | 2014-07-16 | 北京中交兴路信息科技有限公司 | Method and system for replaying vehicle historical traveling track |
| CN103927795B (en) * | 2013-01-14 | 2016-08-17 | 北京中交兴路信息科技有限公司 | The back method of a kind of vehicle history driving trace and system |
| CN105975626A (en) * | 2016-05-27 | 2016-09-28 | 海尔优家智能科技（北京）有限公司 | Coding method and device for geographical location information of equipment |
| CN107741944A (en) * | 2017-08-09 | 2018-02-27 | 成都路行通信息技术有限公司 | A kind of electronic map simulation track back method and system |
| CN107741944B (en) * | 2017-08-09 | 2020-04-07 | 成都路行通信息技术有限公司 | Electronic map simulation track playback method and system |
| CN110031876A (en) * | 2018-01-11 | 2019-07-19 | 中南大学 | A kind of vehicle mounted guidance tracing point offset antidote based on Kalman filtering |
| CN108802776A (en) * | 2018-07-02 | 2018-11-13 | 武汉蓝泰源信息技术有限公司 | Public transport GPS method for correcting error based on abnormity point elimination and trace compression algorithm |
| CN109029485A (en) * | 2018-08-21 | 2018-12-18 | 北京深瞐科技有限公司 | Vehicle driving trace determines method and device |
| CN109710707A (en) * | 2018-12-06 | 2019-05-03 | 北斗天地股份有限公司 | A kind of method and device of big data trace playback |
| CN109740816A (en) * | 2018-12-28 | 2019-05-10 | 上海德启信息科技有限公司 | A kind of courier receives and sends situation monitoring method and device |
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Application publication date: 20120627 |