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WO2009119945A1 - Procédé et appareil d'affichage de voie d'un dessin en agrandissement par vecteurs 3d - Google Patents

Procédé et appareil d'affichage de voie d'un dessin en agrandissement par vecteurs 3d Download PDF

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Publication number
WO2009119945A1
WO2009119945A1 PCT/KR2008/003804 KR2008003804W WO2009119945A1 WO 2009119945 A1 WO2009119945 A1 WO 2009119945A1 KR 2008003804 W KR2008003804 W KR 2008003804W WO 2009119945 A1 WO2009119945 A1 WO 2009119945A1
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WO
WIPO (PCT)
Prior art keywords
route
point
line
intersection
generation unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2008/003804
Other languages
English (en)
Inventor
Dae Myung Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thinkware Systems Corp
Original Assignee
Thinkware Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thinkware Systems Corp filed Critical Thinkware Systems Corp
Publication of WO2009119945A1 publication Critical patent/WO2009119945A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/05Geographic models
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/36Input/output arrangements for on-board computers
    • G01C21/3626Details of the output of route guidance instructions
    • G01C21/3632Guidance using simplified or iconic instructions, e.g. using arrows
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/36Input/output arrangements for on-board computers
    • G01C21/3626Details of the output of route guidance instructions
    • G01C21/3635Guidance using 3D or perspective road maps

Definitions

  • the present invention relates to a route display method and apparatus of an enlarged view of a three-dimensional (3D) vector, and more particularly, to a route display method and apparatus of an enlarged view of a 3D vector which calculates a vector based on a portion of points of a route line on a route to straighten the route line, and displays the straightened route line on a 3D map.
  • 3D three-dimensional
  • a route display terminal generating and displaying a route from a current location to a destination is commercialized.
  • a route display terminal may determine a location of the route display terminal using a Global Positioning System (GPS), retrieve map information of a location of the route display terminal to a destination, and generate and display an optimal route.
  • GPS Global Positioning System
  • a route display terminal is generally installed in a vehicle to retrieve a location and driving direction of the vehicle. Accordingly, map information generated based on roads where a vehicle may drive may be used in a route display terminal. Accordingly, even though a road is straight, a route may be differently displayed depending on whether a center line where a vehicle may drive exists or an obstruction where the vehicle may not drive exists.
  • FIG. 1 is a diagram illustrating an example of a road area different from an actual road in a route display terminal in a conventional art.
  • an obstruction 113 exists between a northbound route 111 and a southbound route 112.
  • the road area different from the actual road 110 may be generated when a route generated in the 2 D route display terminal is on the actual road 110 where a center line 114 is represented without the obstruction 113.
  • the 2D route display terminal may differentiate an area where a vehicle may drive from an area where the vehicle may not drive, and generate a 2D image map. Accordingly, when map data of the actual road 110 is received, an obstruction 123 may be displayed between a northbound route 121 and a southbound route 122, and thus a 2D image map where the two roads 121 and 122 are parallel may be generated.
  • an image map of a combined road 124 may be generated.
  • the combination road 124 may indicate a road where two roads are combined. In this case, although a route 125 is on the actual road 110 which is straight, the route 125 on the northbound route 121 and the combination road 124 may be bent. Also, when an intersecting point does not exist even though a road is significantly bent towards another road, such information may not be provided in the conventional art.
  • the 2D route display terminal in the conventional art may not provide accurate information about the U-turn point since a route ahead of the U-turn point and a route behind the U-turn point may be overlapped and extremely close.
  • FIG. 2 is a diagram illustrating an example of a U-turn point 201 displayed in a route display terminal in a conventional art.
  • a route 202 ahead of the U-turn point 201 and a route 203 behind the U-turn point 201 may be represented in a same straight line in the 2D route display terminal in the conventional art. Also, a location 204 of the 2D route display terminal is displayed on the same straight line. Accordingly, a user may not be provided with an accurate location of the U-turn point 201.
  • the present invention provides a route display method and apparatus of an enlarged view of a three-dimensional (3D) vector which generates a direction vector based on points of a route line on a route, and thus the route may be displayed based on intersecting points of roads, and an area without an intersection may be prevented from being recognized as an intersection.
  • 3D three-dimensional
  • the present invention also provides a route display method and apparatus of an enlarged view of a 3D vector which displays a route to a heading direction of the route, and thereby may continuously provide a user with information about a change of a turn to make.
  • the present invention also provides a route display method and apparatus of an enlarged view of a 3D vector which differently represents a U-turn point, and thereby may accurately provide a user with information about the U-turn point.
  • a route display apparatus of an enlarged view of a three-dimensional (3D) vector including: a route generation unit to calculate a vector based on a portion of points of a route line on a route to straighten the route line, and display the straightened route line on a 3D map.
  • the route generation unit may calculate the vector based on the first point and the last point and straighten the route line.
  • the first point may indicate an intersecting point generated on an intersection, and the last point may be different from the first point.
  • the route generation unit may calculate the vector based on the first point and the second point and straighten the route line.
  • the first point may indicate an intersecting point generated on an intersection
  • the second point may be subsequent to the first point.
  • the route generation unit may move a location of the route line from a center of a road to a route direction, according to a heading direction of the straightened route line based on the intersection.
  • the route generation unit may generate the route based on the U-turn point using a U-turn texture mapping scheme.
  • a route display method of an enlarged view of a 3D vector including: generating a route from a current location of a vehicle to a destination on the enlarged view of the 3D vector; calculating a vector based on a portion of points of a route line on the route and straightening the route line; and displaying the straightened route line on a 3D map.
  • a route display method and apparatus of an enlarged view of a three-dimensional (3D) vector may generate a direction vector based on points of a route line on a route, and thus the route may be displayed based on intersecting points of roads, and an area without an intersection may be prevented from being recognized as an intersection.
  • a route display method and apparatus of an enlarged view of a 3D vector may display a route with a heading direction of the route, and thereby may continuously provide a user with information about a change of a turn to make.
  • a route display method and apparatus of an enlarged view of a 3D vector may differently represent a U-turn point, and thereby may accurately provide a user with information about the U-turn point.
  • FIG. 1 is a diagram illustrating an example of a road area different from an actual road in a route display terminal in a conventional art
  • FIG. 2 is a diagram illustrating an example of a U-turn point displayed in a route display terminal in a conventional art
  • FIG. 3 is a block diagram illustrating a configuration of a route display apparatus of an enlarged view of a three-dimensional (3D) vector according to an embodiment of the present invention
  • FIG. 4 is a diagram illustrating an example of a route including an intersecting point displayed in a route display apparatus according to an embodiment of the present invention
  • FIG. 5 is a diagram illustrating an example of a route including a U-turn point displayed in a route display apparatus according to an embodiment of the present invention
  • FIG. 6 is a flowchart illustrating a route display method of an enlarged view of a 3D vector according to an embodiment of the present invention
  • FIG. 7 is a diagram illustrating an example straightening a route line by calculating a vector based on a first point and a last point
  • FIG. 8 is a diagram illustrating an example of straightening a route line by calculating a vector based on a first point and a second point
  • FIG. 9 is a diagram illustrating an example of straightening a route line behind an intersecting point
  • FIG. 10 is a diagram illustrating an example of moving a location of a route line.
  • FIG. 11 is a diagram illustrating an example of change displayed on an image map when displaying a route based on a U-turn point according to an embodiment of the present invention.
  • FIG. 3 is a block diagram illustrating a configuration of a route display apparatus of an enlarged view of a three-dimensional (3D) vector 300 according to an embodiment of the present invention.
  • a location determination unit 301 may determine a location of the route display apparatus of an enlarged view of a three-dimensional (3D) vector 300, hereinafter, the route display apparatus 300, and transmit the location to a map database 302.
  • the map database 302 may transmit, to a route generation unit 303, map data concerning a route between the received location of the route display apparatus 300 and a destination.
  • the route generation unit 303 may texture-map the received map data, generate a 3D map, and generate a route from the location of the route display apparatus 300 to the destination on the 3D map using a general route generation algorithm.
  • the route generated by the route generation unit 303 may include a route line which is linear data.
  • the route line may include at least one point list generated at predetermined intervals on the route.
  • a point of the point list may be generated in an intersection where at least two roads meet, and the point list may indicate a list of points generated between an intersection and another intersection.
  • the route generation unit 303 may retrieve a point generated on the intersection from among points of the route line, and determine the retrieved point generated on the intersection as an intersecting point. Also, the route generation unit 303 may receive a point list included in the route line, and straighten the route line depending on characteristics of a road. In this instance, two methods for straightening the route line may be used. The route generation unit 303 may calculate a vector based on a first point and a last point to straighten the route line. Here, the first point may indicate an intersecting point generated on the intersection, and the last point may indicate a current location of the route display apparatus 300 or another intersecting point. Also, the route generation unit 303 may calculate the vector based on the first point and a second point to straighten the route line.
  • the second point may be subsequent to the first point.
  • the route generation unit 303 may straighten the route line based on the first point and the last point.
  • the route generation unit 303 may straighten the route line based on the first point and the second point.
  • the route generation unit 303 may straighten route lines at every intersecting point based on a heading direction of the route. Specifically, the route generation unit 303 may move a location of the route line from a center of the road to the route direction, according to the heading direction of the straightened route line based on the intersection. In this instance, the route generation unit 303 may move the location of the route line using a vertical vector of the straightened route line. Also, the route generation unit 303 may generate the straightened route line on the 3D map using polygon.
  • the route generation unit 303 may generate the route based on a U-turn point using a U-turn texture mapping scheme, and generate a polygon in a shape of U- turn.
  • the route display apparatus 300 may generate a direction vector based on points on the route to generate the route, and thus the route may be displayed based on intersecting points, and an area without an intersection may be prevented from being recognized as an intersection.
  • FIG. 4 is a diagram illustrating an example of a route including an intersecting point displayed in a route display apparatus according to an embodiment of the present invention.
  • a route generation unit 303 may display the left turn signs 402 and the right turn sign 403 in different colors.
  • the route generation unit 303 may display a route 404 represented as a polygon to the left of a center line 405 on the 3D map. In this instance, the route generation unit 303 may display the route 404 to enable at least one of the left turn signs 402 to be seen.
  • the route generation unit 303 may display the left turn signs 402 and the right turn sign 403 in different colors. Also, the route generation unit 303 may display a route 404 represented as a polygon to the right of a center line 405 on the 3D map. In this instance, the route generation unit 303 may display the route 404 to enable at least one of the left turn signs 402 to be seen. Also, when a road on the 3D map is formed to turn left or right only and a route is generated to turn right, the route generation unit 303 may omit a road 406 for left turn. Accordingly, the route generation unit 303 may reduce the texture mapping.
  • FIG. 5 is a diagram illustrating an example of a route including a U-turn point displayed in a route display apparatus according to an embodiment of the present invention.
  • a route generation unit 303 may display a U-turn sign 503 and other direction signs 502 in different colors.
  • a road 501 with at least one lane and the U-turn sign 503 and other direction signs 502 are displayed on the 3D map.
  • the route generation unit 303 may display a route 504 based on the U-turn point between a center of a road 501 and the U- turn sign 503.
  • the route 504 may be represented as a polygon.
  • FIG. 6 is a flowchart illustrating a route display method of an enlarged view of a
  • a route generation unit 303 may determine whether a route based on a U-turn point is being provided.
  • the route generation unit 303 may generate the route based on the U-turn in the U-turn point determined in operation S601 using a U-turn texture mapping scheme. In this instance, the route generation unit 303 may generate a polygon in a shape of a U-turn.
  • the route generation unit 303 may generate a route between a destination and a current location of a route display apparatus 300.
  • the route generation unit 303 may generate the route using a general route algorithm.
  • the route generated by the route generation unit 303 may include a route line which is linear data.
  • the route line may include at least one point list generated at predetermined intervals on the route.
  • a point of the point list may be generated in an intersection where at least two roads meet, and the point list may indicate a list of points generated between an intersection and another intersection.
  • the route generation unit 303 may determine an intersecting point in the route line generated in operation S603. In this instance, the route generation unit 303 may retrieve a point generated on the intersection from among points of the route line, and determine the retrieved point generated on the intersection as the intersecting point.
  • the route generation unit 303 may straighten a route line between the location of the route display apparatus 300 and an intersecting point which is most adjacent to the location of the route display apparatus 300 from among the intersecting points determined in operation S604.
  • the route generation unit 303 may receive a point list included in the route line, and straighten the route line based on characteristics of a road. In this instance, two methods for straightening the route line may be used.
  • the route generation unit 303 may calculate a vector based on a first point and a last point to straighten the route line.
  • the first point may indicate an intersecting point generated on the intersection
  • the last point may indicate the current location of the route display apparatus 300 or another intersecting point.
  • the route generation unit 303 may calculate the vector based on the first point and a second point to straighten the route line.
  • the second point may be subsequent to the first point.
  • the route generation unit 303 may straighten the route line based on the first point and the last point.
  • the route generation unit 303 may straighten the route line based on the first point and the second point.
  • the route generation unit 303 may straighten route lines behind the intersecting point of the route line straightened in operation S605.
  • the route generation unit 303 may straighten the route lines according to a heading direction of the route generated in operation S603.
  • the route generation unit 303 may straighten the route lines included in the route at every intersecting point.
  • the method for straightening the route line, used in operation S605 may be used.
  • the route generation unit 303 may move a location of the route line based on a location of the route line straightened in operation S606. Specifically, when a left route line of the intersecting point is straightened in operation
  • the route generation unit 303 may move the route line to the left, and when a right route line of the intersecting point is straightened in operation S606, the route generation unit 303 may move the route line to the right. Also, when a straightforward route line is straightened in operation S606, the route generation unit 303 may prevent the route line from moving. In this instance, the route generation unit 303 may move the location of the route line using a vertical vector of the straightened route line. In operation S608, the route generation unit 303 may generate a polygon to represent the route generated in operation S603.
  • the route generation unit 303 may display the polygon generated in operation S 608 on the 3D map based on the route line moved in operation
  • the route generation unit 303 may also display the route based on the U-turn point and the polygon generated in operation S602.
  • FIG. 7 is a diagram illustrating an example of straightening a route line by calculating a vector based on a first point and a last point.
  • a route generation unit 303 may straighten the right curved route line 703 to a vertical route 704 connecting the first point 701 and the last point 702.
  • the first point 701 may indicate an intersecting point generated on an intersection
  • the last point 702 may indicate a current location of a route display apparatus 300 or another intersecting point.
  • the route generation unit 303 may straighten the slightly left curved route line 707 to an oblique route 708 connecting the first point 705 and the last point 706.
  • the first point 705 may indicate an intersecting point generated on an intersection
  • the last point 706 may indicate the current location of the route display apparatus 300 or another intersecting point.
  • the route generation unit 303 may straighten the right curved route line 711 to an oblique route 712 connecting the first point 709 and the last point 710.
  • the first point 709 may indicate an intersecting point generated on an intersection
  • the last point 710 may indicate the current location of the route display apparatus 300 or another intersecting point.
  • FIG. 8 is a diagram illustrating an example of straightening a route line by calculating a vector based on a first point and a second point.
  • a route generation unit 303 may straighten the right curved route line 803 to an oblique route 804 connecting the first point 801 and the second point 802.
  • the first point 801 may indicate an intersecting point generated on an intersection, and the second point 802 may be most adjacent to the first point 801.
  • the route generation unit 303 may straighten the slightly left curved route line 807 to a vertical route 808 connecting the first point 805 and the second point 806.
  • the first point 805 may indicate an intersecting point generated on an intersection, and the second point 806 may be most adjacent to the first point 805.
  • the route generation unit 303 may straighten the right curved route line 811 to an oblique route 812 connecting the first point 809 and the second point 810.
  • the first point 809 may indicate an intersecting point generated on an intersection, and the second point 810 may be most adjacent to the first point 809.
  • FIG. 9 is a diagram illustrating an example of when straightening a route line behind an intersecting point.
  • a route generation unit 303 may determine roads 903 and 904 connected to an intersecting point 902 which is a first point of an area 901.
  • the area 901 may correspond to a route line straightened in operation S605.
  • the route generation unit 303 may determine which of the roads 903 and 904 is a route generated in operation S603.
  • the route generation unit 303 may straighten a route line 905 according to a heading direction of the route.
  • the route generation unit 303 may display a route 906 as a polygon along the area 901 and the route line 905.
  • FIG. 10 is a diagram illustrating an example of when moving a location of a route line.
  • a route generation unit 303 may determine which direction a route line 1010 behind an intersecting point is located based on a route line 1001. In this instance, the route line 1010 behind the intersecting point is straightened in operation S606, and the route line 1001 is straightened in operation S605. When the straightened route line 1010 behind the intersecting point corresponds to a route line 1011 located to the right of the straightened route line 1001, the route generation unit 303 may move the straightened route line 1001 to the right of a center of road 1021, that is, a route line 1022.
  • the route generation unit 303 may move the straightened route line 1001 to the left of the center of road 1021, that is, a route line 1031.
  • the route generation unit 303 may not move the straightened route line 1001.
  • a route may be displayed to the left or right of a center line of a plurality of lanes of a road based on a heading direction of the route, and thus a user may recognize a direction of a turn to make in advance.
  • FIG. 11 is a diagram illustrating an example of change displayed on an image map when displaying a route based on a U-turn point according to an embodiment of the present invention.
  • a route generation unit 303 may display a route 1121 based on the U-turn point 1112 using a U-turn texture mapping scheme. In this instance, a current location 1113 of a route display apparatus 300 is displayed on the route line 1111 in the U-turn area 1110.
  • contents associated with the U-turn point may be displayed in greater detail.
  • a user may easily recognize a point to make U-turn.
  • the above-described embodiment of the present invention may be recorded in computer-readable media including program instructions to implement various operations embodied by a computer.
  • the media may also include, alone or in combination with the program instructions, data files, data structures, and the like.
  • the media and program instructions may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.
  • Examples of computer-readable media include magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CD ROM disks and DVD; magneto-optical media such as floptical disks; and hardware devices that are specially configured to store and perform program instructions, such as read-only memory (ROM), random access memory (RAM), flash memory, and the like.
  • program instructions include both machine code, such as produced by a compiler, and files containing higher level code that may be executed by the computer using an interpreter.
  • the described hardware devices may be configured to act as one or more software modules in order to perform the operations of the above-described embodiments of the present invention.

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Graphics (AREA)
  • Theoretical Computer Science (AREA)
  • Navigation (AREA)
  • Processing Or Creating Images (AREA)

Abstract

La présente invention concerne un procédé et un appareil d'une vue agrandie d'un vecteur tridimensionnel (3D). L'appareil servant à afficher l'itinéraire comprend: une unité de génération d'itinéraire servant, d'une part à calculer un vecteur sur la base d'une partie de points d'une ligne de l'itinéraire sur un itinéraire de façon à redresser la ligne de l'itinéraire, et d'autre part à afficher la ligne d'itinéraire redressée sur une carte 3D.
PCT/KR2008/003804 2008-03-25 2008-06-30 Procédé et appareil d'affichage de voie d'un dessin en agrandissement par vecteurs 3d Ceased WO2009119945A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080027560A KR100896136B1 (ko) 2008-03-25 2008-03-25 3d 벡터 확대도의 경로 표현 방법 및 장치
KR10-2008-0027560 2008-03-25

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WO2009119945A1 true WO2009119945A1 (fr) 2009-10-01

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Cited By (3)

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JP2013185893A (ja) * 2012-03-07 2013-09-19 Geo Technical Laboratory Co Ltd 経路案内システム
CN106714112A (zh) * 2017-01-20 2017-05-24 西北工业大学 一种基于群智感知的移动车辆跟踪方法及系统
JP2018171971A (ja) * 2017-03-31 2018-11-08 株式会社Subaru 自動車用表示装置

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KR101331884B1 (ko) 2012-09-04 2013-11-21 현대엠엔소프트 주식회사 폴리곤을 이용한 경로 안내 방법

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US20010037176A1 (en) * 2000-04-27 2001-11-01 Masami Mikame Junction guide device for providing guidance concerning looped branch road
JP2007033434A (ja) * 2005-06-20 2007-02-08 Denso Corp 車両用現在位置検出装置、及び車両制御装置
US20070112507A1 (en) * 2005-11-17 2007-05-17 Microsoft Corporation Schematic destination maps

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KR100388493B1 (ko) * 2001-02-12 2003-06-25 한국전자통신연구원 3차원 복합 지리정보 가시화 시스템 및 객체지향적 운용방법
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KR100634536B1 (ko) * 2005-01-25 2006-10-13 삼성전자주식회사 3차원 그래픽스 환경에서의 2차원 고가도로 데이터의 3차원 변환 방법 및 장치, 그리고 이를 이용한 3차원 그래픽스 환경에서의 2차원 고가도로 데이터의 3차원 시각화 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010037176A1 (en) * 2000-04-27 2001-11-01 Masami Mikame Junction guide device for providing guidance concerning looped branch road
JP2007033434A (ja) * 2005-06-20 2007-02-08 Denso Corp 車両用現在位置検出装置、及び車両制御装置
US20070112507A1 (en) * 2005-11-17 2007-05-17 Microsoft Corporation Schematic destination maps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013185893A (ja) * 2012-03-07 2013-09-19 Geo Technical Laboratory Co Ltd 経路案内システム
CN106714112A (zh) * 2017-01-20 2017-05-24 西北工业大学 一种基于群智感知的移动车辆跟踪方法及系统
JP2018171971A (ja) * 2017-03-31 2018-11-08 株式会社Subaru 自動車用表示装置

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