CN201025445Y - Collection device for road scene information and positioning information - Google Patents
Collection device for road scene information and positioning information Download PDFInfo
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- CN201025445Y CN201025445Y CNU200620132007XU CN200620132007U CN201025445Y CN 201025445 Y CN201025445 Y CN 201025445Y CN U200620132007X U CNU200620132007X U CN U200620132007XU CN 200620132007 U CN200620132007 U CN 200620132007U CN 201025445 Y CN201025445 Y CN 201025445Y
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Abstract
The utility model discloses an acquisition device of road landscape information and positioning information, including an acquisition unit of positioning information for collecting the positioning information of road; an acquisition unit of road landscape information for collecting the road landscape information; a controlling unit for monitoring the acquisition unit of positioning information and the acquisition unit of road landscape information and matching the positioning data with the road landscape data; a storage unit for storing the positioning data and the road landscape data which are matched by the controlling unit. The utility model can improve the acquisition precision.
Description
Technical field
The utility model relates to survey field, refers to a kind of be used to the make road landscape information of electronic chart and the harvester of locating information especially.
Background technology
In the electronic cartography field, the general total powerstation that uses, combining global positioning system (GlobalPosition System, abbreviation GPS) method of measurement or triangulation is gathered road and point of interest (Point ofInteresting, be called for short POI) locating information, the mode that marks, writes down by camera or on map is carried out the collection of road landscape information on this basis, and the method that writes down by hand and number is determined the time and the latitude and longitude coordinates information of road landscape information.
Because above-mentioned technology does not solve the locating information of road, POI and the synchronous acquisition of attribute information, human factor is big in the gatherer process, precision is lower, collection personnel such as drain message point, after gathering the end of job, need to increase the information acquisition key element or image data inspection is examined, have only once more and carry out operation to collecting location, can't be in indoor complete comprehensive reproduction real road situation.
The data layout of Chinese patent application CN98125290.7 is BMP (Bitmap, bitmap) form, be static data, this patent only is used as video camera as digital camera and is used continuously, and the characteristics of not utilizing video camera to take are continuously carried out video flowing, audio stream data collection.The method of wherein carrying out the coupling use of time is writing time, and this can use in static acquisition method, but precision is lower.The method of using is for " describing among the 4-a to set and be used to show that the computer clock of particular video frequency image sampling point location is consistent with the video camera clock.10a opens first of the picture of gathering, and the temporal information that is provided on the image is provided.The open file trail file of temporal information coupling on title and the described image of 10b ... " the method time set of this time coupling is by manually setting, and the notebook computer time set can only be accurate to minute.What carry out image, the use of track coupling also is artificial extraction.Because quantity is few, matching precision has enough satisfied the requirement of coupling to this mode at the BMP photo of static state, and the precision that is accurate to minute at video, audio data stream just can't satisfy to mate and required.And audio collection has only been carried out in this patented claim.
What Chinese patent application CN200410023622.2 mainly considered is that voice data and locator data joint carry out the supplementary data collection, and other information such as video of road landscape are not provided.Shortcoming is to have only audio frequency not have video data.And the still image collection of JPG form has only been carried out in this patented claim.CN98125290.7 has only carried out audio collection, does not all relate to video, the collection of voice data joint.
In addition, only adopt the GPS location in the prior art,, then can not obtain accurate in locating information, make that the precision of gathering is not high if gps antenna is blocked.
The utility model content
Problem to be solved in the utility model provides the harvester of high road landscape information of a kind of acquisition precision and locating information.
In order to address the above problem, the technical scheme of the harvester of the utility model road landscape information and locating information comprises:
The locating information acquisition unit, the locating information that is used to gather road;
The road landscape information collecting unit is used to gather road landscape information;
Control module is used to monitor described locating information acquisition unit and described road landscape information collecting unit and locator data and road landscape data is mated;
Storage unit is used to store locator data and the road landscape data that described control module coupling is finished.
Further, the harvester of the utility model road landscape information and locating information also comprises the power supply unit that is used to other unit that electric power is provided.
Described locating information acquisition unit comprises:
Gps antenna is used to receive the GPS positioning signal;
The vehicle pulse transducer is used for the pulse number that the measuring vehicle driving process unit interval receives;
GPS-gyroscope all-in-one is used for the accurate distance according to the output signal calculating vehicle ' of described gps antenna and described vehicle pulse transducer.
Described GPS-gyroscope all-in-one comprises:
The GPS dash receiver is used for the accurate latitude and longitude coordinates according to the output signal calculating gps antenna position of described gps antenna;
Gyroscope is used for the instantaneous angular velocity of computational tasks vehicle;
The pulsed signal device is used to receive the signal of described vehicle pulse transducer;
Control computation unit is used for calculating according to the output of described GPS dash receiver, described gyroscope and described pulsed signal device the position at vehicle place.
Described road landscape information collecting unit comprises gathers video and the video camera of audio-frequency information and the video acquisition box that the information of described camera acquisition is compressed.
Further, described control module and described storage unit adopt the notebook computer through the gps time time service.
Compared with prior art, the beneficial effect of the information retrieval method of the utility model electronic navigation system and device is:
At first, the utility model utilizes gps time to carry out time service for described control module, uses the atomic time on the gps satellite, and time precision is very high.Time service is exactly that the atomic time that the GPS receiver receives is passed to described control module by program, described control module is adjusted into identical with gps time, thereby guarantee the accurate coupling of locator data and road landscape data.
Secondly, the utility model adopts the pulse number that the unit interval receives in the vehicle pulse transducer measuring vehicle driving process, adopt GPS-gyroscope all-in-one to calculate the accurate distance of vehicle ' according to the output signal of described GPS and described vehicle pulse transducer, make like this and still vehicle accurately can be located when having gps antenna to be blocked, thereby guaranteed the accuracy of locating information, the high acquisition precision that reaches.
Description of drawings
Fig. 1 is the structural drawing of the harvester of the utility model road landscape information and locating information;
Fig. 2 is the structural drawing of locating information acquisition unit among Fig. 1;
Fig. 3 is the synoptic diagram of an embodiment of the harvester of the utility model road landscape information and locating information;
Fig. 4 is the process flow diagram of control module among Fig. 1.
Embodiment
As shown in Figure 1, the harvester of the utility model road landscape information and locating information comprises:
Locating information acquisition unit 1, the locating information that is used to gather road;
Road landscape information collecting unit 2 is used to gather road landscape information;
Storage unit 4 is used to store locator data and the road landscape data that described control module 3 couplings are finished.
The harvester of the utility model road landscape information and locating information also comprises the power supply unit 5 that is used to other unit that electric power is provided.
As shown in Figure 2, described locating information acquisition unit 1 comprises:
GPS-gyroscope all-in-one 12 is used for the accurate distance according to the output signal calculating vehicle ' of described gps antenna 10 and described vehicle pulse transducer 11.
Described GPS-gyroscope all-in-one 12 comprises:
GPS dash receiver 120 is used for the accurate latitude and longitude coordinates according to output signal calculating gps antenna 10 positions of described gps antenna 10;
Gyroscope 121 is used for the instantaneous angular velocity of computational tasks vehicle;
Pulsed signal device 122 is used to receive the signal of described vehicle pulse transducer;
Control computation unit 123 is used for calculating according to the output of described GPS dash receiver 120, described gyroscope 121 and described pulsed signal device 122 position at vehicle place.
Described road landscape information collecting unit 2 comprises the video camera 20 of gathering video and audio-frequency information and the video acquisition box 21 that the information that described video camera 20 is gathered is compressed.
As shown in Figure 4, the flow process of control module 3 is:
A) open and detect described locating information acquisition unit 1, and receive described locator data;
B) open and detect described road landscape information collecting unit 2, and receive view information data about carriage way;
C) accept the time service of locating information acquisition unit 1;
D) opening entry locating information data;
E) opening entry road landscape information data;
F) when time of reception reaches predetermined time, stop to gather described view information data, stop to preserve described locator data then;
G) described locator data and described view information data are mated and check;
H) data storage that coupling is finished is in storage unit 4.
Also data carving can be gone into CD.The time of time service can be set as required, as 1 hour or the like.
As shown in Figure 3, be an example that adopts technical solutions of the utility model.Wherein, the video of the standard A V video/audio output format that video acquisition box 21 is gathered video camera 20 and the data that voice data is compressed into the MEPG1 form, and be transferred to notebook computer (control module) 3 by USB port.Locating information acquisition unit 1 is made up of gps antenna 10, vehicle pulse transducer 11 and GPS-gyroscope all-in-one 12.
This routine vehicle pulse transducer 11 is to peel off out from the other pulse transducer two single data transmission lines of the assorted chest of vehicle, uses binding clip to draw a pulse signal-line on the red line signal wire, is connected in the vehicle on the GPS-gyro all-in-one 12 by sleeve pipe.
GPS-gyroscope all-in-one 12 comprises GPS dash receiver 120, gyroscope 121, pulsed signal device 122 and control computation unit 123.Control computation unit comprises 2 CPU and some signal Processing and control circuit, control computation unit 123 is handled accurate longitude and latitude position data, the momentary angular speed of gyroscope 121 calculating and the pulse range data of calculating from GPS dash receiver 120 that pulsed signal device 122 provides respectively, when gps signal normally receives, position output longitude and latitude locator data by GPS equipment.When gps signal is subjected to blocking, the information calculations that obtains by gyroscope 121 and pulsed signal device 122 goes out the vehicle position, longitude and latitude locator data after output is calculated, data can adopt binary format to be transferred to notebook computer 3 by the notebook computer serial ports.
When operation during to the schedule time (in this example, the opening entry locator data was pointed out after 1 hour), stop recording of video/audio data, stop to write down locator data then.Subsequently locator data and video/audio data are mated, because of the notebook time is carried out time service through gps time, what locator data was stored is gps time, system call is that these two effluxion time services can be guaranteed accurate unanimity through the notebook-computer system time of GPS time service during store video/voice data.Mate according to the time of writing down in time of writing down in the locator data and the video/audio during coupling, intercepting MEPG file, the filename of the MEPG file of the text of amendment record locator data and recording of video/audio frequency, the text of same period time period uses same filename and different extension name with the MEPG file.
Vehicle power uses vehicle 12V storage battery, and the positive and negative electrode of inverter is connected respectively to the positive and negative electrode of vehicle accumulator, fixes with screw, and power lead is connected in the car on the inverter by sleeve pipe.Inverter connects terminal block, by inverter vehicle accumulator 12V direct current is transformed to the 220V alternating current, and the interior notebook of buying car in installments, video camera, GPS-gyro all-in-one etc. need to use the equipment of 220V alternating current to use.
The notebook computer hard disk can be used as storage unit 4 and uses.
In locator data of gathering and video/audio data process, at first with text and MEPG stored in file format in the hard disk of notebook computer, form a plurality of road information log files through overmatching.After the end of job every day file in the notebook computer is put in order, because of about about 1 hour of the time of each job storage file of job requirements, the about 600M of file size uses the CD-RW recording optical driver that the work data log file of same period is recorded on the CD-R CD.2 of CD imprintings simultaneously, 1 as backup, checks and original log file in the notebook computer hard disk is deleted after errorless.
In sum, adopt the harvester of the utility model road landscape information and locating information can improve acquisition precision.
Claims (6)
1. the harvester of road landscape information and locating information is characterized in that, comprising:
The locating information acquisition unit, the locating information that is used to gather road;
The road landscape information collecting unit is used to gather road landscape information;
Control module is used to monitor described locating information acquisition unit and described road landscape information collecting unit and locator data and road landscape data is mated;
Storage unit is used to store locator data and the road landscape data that described control module coupling is finished.
2. the harvester of road landscape information as claimed in claim 1 and locating information is characterized in that, also comprises the power supply unit that is used to other unit that electric power is provided.
3. the harvester of road landscape information as claimed in claim 2 and locating information is characterized in that, described locating information acquisition unit comprises:
Gps antenna is used to receive the GPS positioning signal;
The vehicle pulse transducer is used for the pulse number that the measuring vehicle driving process unit interval receives;
GPS-gyroscope all-in-one is used for the accurate distance according to the output signal calculating vehicle ' of described gps antenna and described vehicle pulse transducer.
4. the harvester of road landscape information as claimed in claim 3 and locating information is characterized in that, described GPS-gyroscope all-in-one comprises:
The GPS dash receiver is used for the accurate latitude and longitude coordinates according to the output signal calculating gps antenna position of described gps antenna;
Gyroscope is used for the instantaneous angular velocity of computational tasks vehicle;
The pulsed signal device is used to receive the signal of described vehicle pulse transducer;
Control computation unit is used for calculating according to the output of described GPS dash receiver, described gyroscope and described pulsed signal device the position at vehicle place.
5. the harvester of road landscape information as claimed in claim 4 and locating information, it is characterized in that described road landscape information collecting unit comprises gathers video and the video camera of audio-frequency information and the video acquisition box that the information of described camera acquisition is compressed.
6. as the harvester of described any one road landscape information of claim 1 to 5 and locating information, it is characterized in that described control module and described storage unit adopt the notebook computer through the gps time time service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620132007XU CN201025445Y (en) | 2006-08-25 | 2006-08-25 | Collection device for road scene information and positioning information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620132007XU CN201025445Y (en) | 2006-08-25 | 2006-08-25 | Collection device for road scene information and positioning information |
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| Publication Number | Publication Date |
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| CN201025445Y true CN201025445Y (en) | 2008-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU200620132007XU Expired - Lifetime CN201025445Y (en) | 2006-08-25 | 2006-08-25 | Collection device for road scene information and positioning information |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457758A (en) * | 2014-12-19 | 2015-03-25 | 哈尔滨工业大学 | Video-acquisition-based Visual Map database establishing method and indoor visual positioning method using database |
| CN110658809A (en) * | 2019-08-15 | 2020-01-07 | 北京致行慕远科技有限公司 | Method and device for processing travelling of movable equipment and storage medium |
-
2006
- 2006-08-25 CN CNU200620132007XU patent/CN201025445Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457758A (en) * | 2014-12-19 | 2015-03-25 | 哈尔滨工业大学 | Video-acquisition-based Visual Map database establishing method and indoor visual positioning method using database |
| CN104457758B (en) * | 2014-12-19 | 2017-04-12 | 哈尔滨工业大学 | Video-acquisition-based Visual Map database establishing method and indoor visual positioning method using database |
| CN110658809A (en) * | 2019-08-15 | 2020-01-07 | 北京致行慕远科技有限公司 | Method and device for processing travelling of movable equipment and storage medium |
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| CX01 | Expiry of patent term |
Granted publication date: 20080220 |
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| EXPY | Termination of patent right or utility model |