IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0599968
(2007-12-10)
|
등록번호 |
US-8386171
(2013-02-26)
|
우선권정보 |
KR-10-2007-0047715 (2007-05-16) |
국제출원번호 |
PCT/KR2007/006404
(2007-12-10)
|
§371/§102 date |
20091112
(20091112)
|
국제공개번호 |
WO2008/140165
(2008-11-20)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Thinkware Systems Corporation
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
2 |
초록
▼
A method of matching a virtual map, the method including: receiving Global Positioning System (GPS) information; generating a basic map matching result using the GPS information; generating a virtual map matching location based on the basic map matching result; and displaying the virtual map matchin
A method of matching a virtual map, the method including: receiving Global Positioning System (GPS) information; generating a basic map matching result using the GPS information; generating a virtual map matching location based on the basic map matching result; and displaying the virtual map matching location.
대표청구항
▼
1. A method of matching a virtual map, the method comprising: receiving Global Positioning System (GPS) information;generating a basic map matching result using the GPS information, wherein the basic map matching is map matching of a GPS location;generating a virtual map matching location based on t
1. A method of matching a virtual map, the method comprising: receiving Global Positioning System (GPS) information;generating a basic map matching result using the GPS information, wherein the basic map matching is map matching of a GPS location;generating a virtual map matching location based on the basic map matching result, wherein the virtual map matching is map matching of an expected movement distance, a location, and a vehicle direction based on the basic map matching result; anddisplaying the virtual map matching location,wherein, when a retrieved route exists, the generating of the virtual map matching location divides a turning angle of a vehicle when turning left or when turning right by a predetermined number, and generates the virtual map matching location. 2. The method of claim 1, wherein the generating of the virtual map matching location comprises: calculating a movement distance using a speed based on the GPS information and a split time generated by virtual map matching; andreflecting the movement distance on the basic map matching result and generating the virtual map matching location. 3. The method of claim 1, wherein the generating of the virtual map matching location generates the virtual map matching location according to an expected movement distance, a location, and a vehicle direction based on the basic map matching result. 4. The method of claim 1, wherein the generating of the virtual map matching location divides a turning angle of a vehicle by a number of virtual map matching generations using a difference between an angle with respect to a first link and an angle with respect to a second link, and generates the virtual map matching location. 5. The method of claim 1, wherein the generating of the virtual map matching location reflects a change of a speed using an average value of speeds from a current time to a predetermined time, the speeds being used for generating the virtual map matching location, and generates the virtual map matching location. 6. The method of claim 1, wherein the generating of the virtual map matching location compares a location based on the basic map matching result and a location based on a virtual map matching result, and discards the virtual map matching result when the location based on the virtual map matching result is further along the route traveled than the location based on the basic map matching result. 7. A non-transitory computer-readable recording medium storing a program for implementing the method according to claim 1. 8. A system for matching a virtual map, the system comprising: a GPS receiving unit to receive GPS information;a basic map matching unit to generate a basic map matching result using the GPS information, wherein the basic matching is map matching of a GPS location;a virtual map matching unit to generate a virtual map matching location based on the basic map matching result, wherein the virtual map matching is map matching of an expected movement distance, a location, and a vehicle direction based on the basic map matching result; anda display unit to display the virtual map matching location,wherein, when a retrieved route exists, the virtual map matching unit divides a turning angle of a vehicle when turning left or when turning right by a predetermined number, and generates the virtual map matching location. 9. The system of claim 8, wherein the virtual map matching unit comprises: a calculation unit to calculate a movement distance using a speed based on the GPS information and a split time generated by virtual map matching; anda generation unit to reflect the movement distance on the basic map matching result and to generate the virtual map matching location. 10. The system of claim 9, wherein the virtual map matching unit divides a turning angle of a vehicle by a number of virtual map matching generations using a difference between an angle with respect to a first link and an angle with respect to a second link, and generates the virtual map matching location. 11. The system of claim 8, wherein the virtual map matching unit reflects deceleration of a speed using an average value of speeds from a current time to a predetermined time, the speeds being used for generating the virtual map matching location, and generates the virtual map matching location. 12. The system of claim 8, wherein the virtual map matching unit compares a location based on the basic map matching result and a location based on a virtual map matching result, and discards the virtual map matching result when the location based on the virtual map matching result is further along the route traveled than the location based on the basic map matching result.
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