WO2005098792A1 - 地図情報生成装置、地図情報生成方法、および地図情報生成プログラム - Google Patents
地図情報生成装置、地図情報生成方法、および地図情報生成プログラム Download PDFInfo
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- WO2005098792A1 WO2005098792A1 PCT/JP2005/004493 JP2005004493W WO2005098792A1 WO 2005098792 A1 WO2005098792 A1 WO 2005098792A1 JP 2005004493 W JP2005004493 W JP 2005004493W WO 2005098792 A1 WO2005098792 A1 WO 2005098792A1
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- map information
- dimensional object
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- shape data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
- G01C21/3804—Creation or updating of map data
- G01C21/3807—Creation or updating of map data characterised by the type of data
- G01C21/3826—Terrain data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
- G01C21/3804—Creation or updating of map data
- G01C21/3807—Creation or updating of map data characterised by the type of data
- G01C21/3815—Road data
- G01C21/3822—Road feature data, e.g. slope data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
- G01C21/3863—Structures of map data
- G01C21/3867—Geometry of map features, e.g. shape points, polygons or for simplified maps
Definitions
- Map information generation device Map information generation device, map information generation method, and map information generation program
- the present invention relates to a map information generation device, a map information generation method, and a map information generation program.
- the use of the present invention is not limited to the above-described map information generation device, map information generation method, and map information generation program.
- the three-dimensional model deformation operation device includes a three-dimensional model, a constraint condition table for registering a cutting permission / prohibition condition for each element of the three-dimensional model, and a deformation condition input unit for inputting a deformation condition of the three-dimensional model. And an intersection check function unit that uses the data of the 3D model and the constraint condition table to perform an intersection check between the cut plane and the element input from the deformation condition input unit, and an intersection check function unit.
- the cutting plane changing function that changes the cutting plane when it is determined that the element has no intersection with the intersection and the intersection check function part determines that the element can be cut with the intersection and that there is no intersection
- a deforming operation function that is executed when the operation is performed and is changed to a cuttable surface by the cutting plane changing function unit, and a deforming operation unit configured by a camera is provided (for example, see Patent Document 1 below). ).
- an element division method for efficiently dividing the three-dimensional shape of a target object into hexahedral elements and shortening the operation time.
- this element dividing method first, a group of shape data, which is a set of a surface element divided into a plurality of regions and a data of the height of the object when viewed from a predetermined direction in a perspective view, is used. After inputting as, a predetermined number of nodes are provided on the boundary line and Z or outline of each area, and the area within each area or outline is divided into quadrilateral elements by a group of parallel lines passing through the nodes.
- the quadrilateral elements are grouped by height data, and the same attributes are assigned to quadrilateral elements in the same group, and then the quadrilateral elements are height-adjusted according to the attributes of the quadrilateral elements.
- a hexahedral element is created by stretching the image by a predetermined amount and dividing the image by a predetermined number of divisions in the height direction.
- the grouping of the hexahedral element groups belonging to each region is released and the hexahedral element groups are combined into one hexahedral element group to complete a three-dimensional FEM (finite element method) model (for example, see Patent Document 2 below). ) 0
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-200296
- Patent Document 2 JP-A-10-31759
- the map information generation device provides a map information generation device that obtains at least the width and thickness of the three-dimensional object from map information that includes a three-dimensional object having a three-dimensional shape having a width, a thickness, and a length.
- Shape data extracting means for extracting shape data including a cross section of the following; and generating means for generating a three-dimensional object having the same shape as the three-dimensional object based on the shape data extracted by the shape data extracting means. , Is provided.
- a map information generating method is characterized in that the map information including a three-dimensional object indicating a three-dimensional shape having a width, a thickness, and a length is obtained from the map information including the three-dimensional object.
- a generating step of generating is characterized in that the map information including a three-dimensional object indicating a three-dimensional shape having a width, a thickness, and a length is obtained from the map information including the three-dimensional object.
- a generating step of generating is characterized in that the map information including a three-dimensional object indicating a three-
- a map information generation program according to the invention of claim 8 causes a computer to execute the map information generation method according to claim 7.
- FIG. 1 is a block diagram showing a hardware configuration of a map information generating device according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing a functional configuration of a map information generating device according to an embodiment of the present invention.
- FIG. 3 is an explanatory diagram showing a part of map information stored in a map information database.
- FIG. 4 is an explanatory diagram showing a part of road network data stored in a road network database.
- FIG. 5 is an explanatory diagram showing a three-dimensional road object to be extracted shown in FIG. 2.
- FIG. 6 is an explanatory diagram showing extracted shape data.
- FIG. 7 is an explanatory diagram showing a three-dimensional road object inclined with respect to an XY plane representing a reference plane.
- FIG. 8 is an explanatory diagram showing an example of a road surface texture drawn by a texture drawing unit.
- FIG. 9 is an explanatory diagram showing a connected state of three-dimensional objects.
- FIG. 10 is an explanatory diagram showing a generated complementary object.
- FIG. 11 is a flowchart of a map information generation process procedure according to the first embodiment.
- FIG. 12 is a flowchart of a map information generation process according to the second embodiment.
- FIG. 13 is a flowchart of a map information generating process according to the third embodiment.
- FIG. 14 is a flowchart illustrating a texture drawing processing procedure according to the fourth embodiment.
- FIG. 15 is a flowchart illustrating a supplementary processing procedure according to the fifth embodiment.
- FIG. 1 is a block diagram illustrating a hardware configuration of a map information generation device according to an embodiment of the present invention.
- a map information generating apparatus includes a CPU 101, a graphics processor 120, a ROM 102, a RAM 103, and an HDD (node disk).
- HD node disk
- CDZDVD drive 106
- CDZDVD107 as an example of a removable recording medium
- video Z audio IZF (interface) 108 display 109
- speaker 110 input
- An IZF (interface) 111 display 109
- speaker 110 input
- An IZF (interface) 111 display 109
- a remote control Z touch panel 112 an input button 113
- a communication IZF (interface) 114 connected to a network 115 are provided.
- the components 101-114, 120 are connected by a bus 116, respectively.
- the CPU 101 governs overall control of the map information generation device.
- the graphics processor 120 is responsible for map information drawing and display control.
- the ROM 102 stores programs such as a boot program. Further, it may be used as a data recording medium.
- the RAM 103 is used as a work area for the CPU 101 and the graphics processor 120. It may also be used as a data recording medium.
- the HDD 104 controls read / write of data from / to the HD 105 under the control of the CPU 101.
- the HD 105 stores the data written under the control of the HDD 104.
- the CDZDVD drive 106 controls read / write of data from / to the CDZDVD 107 under the control of the CPU 101.
- the CDZDVD 107 is a removable recording medium from which data recorded under the control of the CDZDVD drive 106 is read.
- a writable recording medium can be used as the CDZDVD 107.
- the removable recording media include CDZDVD107, CD-ROM (CD-R, CD-RW), DVD-ROM (DVD-R, DVD player RW, DVD-RAM), MO, and memory card. And so on.
- the video Z audio IZF (interface) 108 is connected to a display 109 for video display and a speaker 110 (or headphones) for audio output.
- the display 109 displays various data such as characters, images, and the like, including a cursor, icons, menus, windows, and tool boxes.
- a CRT a CRT
- a TFT liquid crystal display a plasma display, or the like can be employed.
- the speaker 110 also outputs sound.
- the input IZF 111 is used to input data transmitted from a remote control / touch panel 112 or input buttons 113 having a plurality of keys for inputting characters, numerical values, various instructions, and the like. To do.
- the communication IZF 114 is connected to a network 115 such as the Internet via a wireless or communication line, and is connected to other devices via the network 115.
- the communication IZF 114 manages an interface between the network 115 and the CPU 101, and controls input and output of data from external devices.
- the network 115 includes a LAN, a WAN, a public line network and a mobile phone network.
- FIG. 2 is a block diagram showing a functional configuration of a map information generating device according to an embodiment of the present invention.
- a map information generation device 200 includes a map information database 201, a road network database 202, a map information extraction unit 203 (shape data extraction unit 231 and texture information extraction unit 232), and link length information extraction.
- a part 204 and a generating part 206 are provided.
- the map information database 201 stores map information.
- FIG. 3 is an explanatory diagram showing a part of the map information stored in the map information database 201.
- the map information 300 shows a state where it is drawn by the graphic processor shown in FIG.
- a coordinate system consisting of an X axis, a Y axis orthogonal to the X axis, a Z axis orthogonal to the XY plane formed by the X axis and the Y axis, and a coordinate system are used.
- This XY plane is a reference plane, and represents, for example, the ground surface.
- the Z axis represents the height with respect to the reference plane.
- the map information 300 includes a ground surface object 301 indicating the ground surface, a ground object 302 indicating a surface object such as a building existing on the ground surface, a ground object laid on the ground surface, A three-dimensional road object 303 indicating a road is included.
- the three-dimensional road object 303 has a three-dimensional shape formed by line segments of road width, thickness, and length.
- the three-dimensional road object 303 is not particularly limited to a road, and may be anything as long as it has a three-dimensional shape, is linear in the length direction, and has a uniform drawn texture. . For example, road crossing of tunnels, medians, pedestrian bridges Part and the like.
- each vertex of the objects 301-303 can be specified by the coordinates of this coordinate system.
- a line segment between vertices such as a road width, a thickness, and a length of a road can be specified by the coordinates of the coordinate system.
- a texture corresponding to the object 301-303 is drawn on these objects 301-303, and the drawing position of this texture can be specified by the coordinates of the coordinate system described above.
- drawing cycle information of a texture to be repeatedly drawn is stored for each object 301-303. Since other specific contents of the map information 300 are well known, the description thereof is omitted here.
- the road network database 202 stores road network data.
- the road network data stored in the road network database 202 will be described.
- FIG. 4 is an explanatory diagram showing a part of the road network data stored in the road network database 202.
- the road network data 400 is composed of an aggregate of links 401 connected by a plurality of nodes 402.
- the above-described coordinate system is also used for the road network data 400.
- Each node 402 has the coordinates represented by this coordinate system! /
- the shape data extraction unit 231 extracts an ID for identifying the three-dimensional road object 303 shown in FIG. 3 and shape data including at least a cross section including a road width and a thickness.
- shape data including at least a cross section including a road width and a thickness.
- the ID of the road object 303a and the cubic shape data 310 composed of the cross section S and the predetermined length 1 in the length direction of the road are extracted. I do.
- the shape data to be extracted only needs to include at least the cross section S as the force as the cubic shape data 310.
- the link length information extraction unit 204 extracts link length information from the road network data 400. Specifically, a node coordinate information group of each link 401 and a three-dimensional road object ID assigned to each link 401 are extracted. The same three-dimensional road object 303 may be assigned to a plurality of links 401.
- the texture information extraction unit 232 generates a three-dimensional road object from the three-dimensional road object 303.
- the texture information is extracted from the texture drawn on the surface of the object 303, the drawing cycle information of the texture, and the information on the representative color of the arbitrary surface.
- a road surface texture is extracted by drawing a road surface and a lane such as a center line drawn on the road surface on the upper surface.
- the texture information may also be drawn on the side and bottom surfaces.
- the information extracted by the texture information extraction unit 232 also includes information on a representative color of the surface. This is used when drawing with a solid color instead of a texture, or when mixing with a texture.
- FIG. 5 is an explanatory diagram showing the outside of the three-dimensional road object to be extracted shown in FIG. 2, and FIG. 6 is an explanatory diagram showing the extracted shape data.
- This three-dimensional road object indicates the three-dimensional road object 303a shown in FIG.
- a three-dimensional road object 303a is an object having a road width W, a thickness H, and a length L.
- the three-dimensional road object 303a corresponds to the link 401.
- a road surface texture 501 is repeatedly drawn on the upper surface of the standing road object 303a.
- cubic shape data 310 including a section S having a road width W and a thickness H force can be extracted.
- the length 1 of the shape data 310 can be set to, for example, the length of one (one cycle) of the road surface texture 501 in the length direction of the three-dimensional road object 303a.
- link length information (the length L of the link 401, the node coordinates, and the three-dimensional road object ID) can be extracted from the link 401.
- FIG. 7 is an explanatory diagram showing a three-dimensional road object inclined with respect to an XY plane representing a reference plane.
- This three-dimensional road object is the three-dimensional road object 303b shown in FIG.
- the map information extraction unit 203 and the link length information extraction By using the information obtained from the output unit 204, general-purpose three-dimensional objects can be shared. Thereby, the data amount of the map information stored in the map information database 201 can be reduced.
- the generation unit 206 includes a shape drawing unit 261, a texture drawing unit 262, and a detection unit 263.
- the shape drawing unit 261 generates a three-dimensional object having the same shape as the three-dimensional road object 303 by drawing the shape data 310 extracted by the shape data extraction unit 231 so as to be stretched in a direction orthogonal to the cross section S. I do.
- This drawing process can be performed using the vertex coordinates of the cross section S.
- the length to be extended is determined, for example, based on link length information. Further, the stretching direction may be a direction inclined by a height difference between the node coordinates of the link length information as shown in FIG. 7 instead of the direction orthogonal to the cross section S of the shape data 310.
- the texture drawing unit 262 generates a three-dimensional object having the same shape and the same texture as the three-dimensional road object 303 based on the texture information extracted by the texture information extraction unit 232. Specifically, the extracted texture is drawn on the surface of the three-dimensional road object 303 by the drawing period information P. For example, in the case of the road surface texture 501 shown in FIG. 5, the road surface texture 501 is repeated on the surface corresponding to the road surface of the three-dimensional road object 303 along the direction orthogonal to the cross section S of the shape data 310 by the drawing period information P. Can be drawn.
- FIG. 8 is an explanatory diagram showing an example of the road surface texture 501 drawn by the texture drawing unit 262.
- ten road surface textures 501 are drawn.
- the texture drawing of the length corresponding to the fraction may be performed, for example, as a method of drawing the outermost tester pattern located at the portion of 10 for all the 0.3 sheets exceeding 10.
- the detecting unit 263 is configured to detect the end face of one solid object generated by the generating unit 206. Is detected whether the first end face shape data indicating the intersection of the first end face shape data and the second end face shape data indicating the end face of another three-dimensional object other than the one three-dimensional object. Specifically, the detection unit 263 detects whether or not the end faces intersect, based on whether or not the vertex coordinates of the first end face shape data match the vertex coordinates of the second end face data. I do.
- FIG. 9 is an explanatory diagram showing a connected state of three-dimensional objects.
- first end face shape data 1011 indicating an end face of one three-dimensional object 1001
- second end face shape data 1012 indicating an end face of another three-dimensional object 1002 other than the one three-dimensional object 1001 are included. Intersect.
- the detection unit 263 compares the coordinates of the vertex a of the first end face shape data 1011 with the coordinates of the vertex e of the second end face shape data 1012. Further, the coordinates of the vertex b of the first end face shape data 1011 and the coordinates of the vertex f of the end face shape data 1012 are compared. The coordinates of the vertex c of the first end face shape data 1011 and the coordinates of the vertex g of the end face shape data 1012 are compared.
- the coordinates of the vertex d of the first end face shape data 1011 and the coordinates of the vertex h of the second end face shape data 1012 are compared. Then, if they all match, the first end face shape data 1011 of one three-dimensional object 1001 and the second end face shape data 1012 of the other three-dimensional object 1002 are drawn so as to make surface contact with each other. As a result, the two-dimensional objects 1001 and 1002 are connected without any gap.
- the force S intersects the end face shape data 1011 of one solid object 1001 and the end face shape data 1012 of another solid object 1002.
- a gap 1000 is generated between the three-dimensional objects 1001 and 1002 to be connected. Therefore, the detecting unit 263 detects whether or not a gap 1000 is generated between the connected three-dimensional objects 1001 and 1002.
- the shape drawing unit 261 uses the first and second end face shape data 1011, 1012 to generate one three-dimensional object 1001 and another three-dimensional object. Generate a complemented three-dimensional object that complements the objects 1002.
- FIG. 10 is an explanatory diagram showing the generated complementary object.
- the first end face Extract two edges A and B in the thickness direction of the shape data 1011.
- the end side C that is not covered by one solid object 1001 is extracted.
- vertex a and vertex b of edge A are extended to vertex e and vertex f of edge C
- vertex c and vertex d of edge B are extended to vertex e and vertex f of edge C. It is possible to draw a supplementary three-dimensional object 1100 in the shape of a triangular prism.
- map information database 201 and road network database 202 are realized by a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CD / DVD 107 shown in FIG. .
- map information extraction unit 203, the link length information extraction unit 204, and the generation unit 206 specifically execute a program recorded on a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CDZDVD 107 shown in FIG.
- the function is realized by the CPU 101 or the graphic processor 120 or by the input IZF 111.
- FIG. 11 is a flowchart of the map information generating process according to the first embodiment.
- the shape data extraction unit 231 extracts shape data 310 including the cross section S from the three-dimensional road object 303 in the map information database 201 (step S1201).
- the texture information extraction unit 232 extracts texture information including the road surface texture 501 and the drawing cycle information P from the three-dimensional road object 303 (step S1202).
- the shape drawing unit 261 draws the shape data 310 so as to be stretched in a direction orthogonal to the cross section S of the extracted shape data 310 (step S 1203).
- the road surface texture 501 is drawn by the drawing period information P by the texture drawing unit 262 on the surface of the three-dimensional object having the same shape as the three-dimensional road object 303 generated by the stretching (step S1204).
- the same shape as the three-dimensional road object 303 stored in the map information database 201 can be obtained with a small amount of data.
- a solid object having a shape and the same road texture 501 can be generated.
- FIG. 12 is a flowchart of a map information generation process according to the second embodiment.
- the same steps as those shown in FIG. 11 are denoted by the same step numbers, and description thereof will be omitted.
- step S 1201 link length information (link length) of the link 401 corresponding to the three-dimensional road object 303 from which the shape data 310 has been extracted by the shape data extracting unit 231 from the road network database 202. L) is extracted (step S1301). Then, after step S1202, based on the link length information, the shape data 310 is drawn in such a manner as to be elongated by the length L of the link 401 in a direction orthogonal to the cross section S of the shape data 310 (step S1302). Thereafter, the process proceeds to step S1204.
- a three-dimensional object having the same shape as the three-dimensional road object 303 can be generated by extending the shape data 310 by the length L of the link 401.
- a three-dimensional object corresponding to the road network data 400 shown can be generated.
- a plurality of links 401 connected by a node 402 are each extended in the length direction of the link 401, so that a map information database can be obtained.
- the three-dimensional road object 303 stored in 201 can be reproduced.
- FIG. 13 is a flowchart of a map information generation process according to the third embodiment.
- the same steps as those shown in FIGS. 11 and 12 are denoted by the same step numbers, and description thereof will be omitted.
- step S 1301 height difference information indicating the direction of the link 401 is extracted from the road network database 202, specifically, the height difference is extracted from the coordinates of the nodes 402 at both ends of the link 401.
- Step S1401 the link 401 indicated by the link length information is moved in the direction of the link 401 indicated by the height difference information.
- the shape data 310 is drawn so as to be stretched by the length L (step S1402). Thereafter, the process proceeds to step S1204.
- the connecting portion of a three-dimensional object such as a slope having a slope is formed so that there is no gap 1000. Objects can be drawn, and objects with shapes that match the actual road surface can be generated.
- FIG. 14 is a flowchart illustrating a texture drawing processing procedure according to the fourth embodiment.
- This texture drawing processing procedure is a flowchart showing an example of the processing in step S1204 shown in FIGS.
- the texture extracted by the texture information extraction unit 232 is drawn for an integer value in the drawing cycle information P of the texture (step S1501). For example, if the drawing cycle information P is “10.3”, “10” integer values are drawn.
- step S1502 it is determined whether or not the drawing cycle information P includes a value after the decimal point, that is, a fractional value as a fraction (step S1502). If there is no fraction (step S1502: No), that is, if the fraction is “0”, the process ends. In this case, it is indicated that the road surface texture 501 has been drawn to the other end in the length direction of the three-dimensional object in which the shape data 310 has been stretched by the shape drawing unit 261.
- step S1502 if there is a fraction (step S1502: Yes), the texture drawing unit 262 assigns the texture in the range corresponding to the decimal value of the drawing period information P to the object generated by the shape drawing unit 261.
- Draw step S1503. Specifically, as shown in FIG. 8, the texture of a range corresponding to the fraction, that is, a part of the texture 503 corresponding to 0.3 pieces, is cut out from the eleventh piece of the road surface texture 502 and drawn. I do.
- the fourth embodiment it is possible to draw a texture corresponding to the decimal value according to the magnitude of the decimal value (fraction) of the rendering period information P.
- FIG. 15 is according to the fifth embodiment. It is a flowchart which shows a complement processing procedure.
- the detection unit 263 detects whether or not the end face shape data 1011, 1012 of the connected three-dimensional objects 1001, 1002 intersect (step S1601). If the end face shape data 1011, 1012 intersects! /, Na! / (Step S1601: No), the processing is terminated.
- Step S1601 when the end face shape data 1011, 1012 intersect (Step S1601: Yes), the end A—C for drawing the supplementary three-dimensional object 1100 is determined (Step S1602).
- the two end sides A and B in the thickness direction of the end face shape data 1011 of one connected three-dimensional object 1001 are extracted.
- the end side C on the side that is not covered by one three-dimensional object 1001 is extracted. In this way, the edges A to C for drawing the supplementary solid object 1100 are determined.
- the supplemental three-dimensional object 1100 is drawn using the determined edges A to C (step S1603). Specifically, vertex a and vertex b of edge A are stretched to vertex e and vertex f of edge C, and vertex c and vertex d of edge B are vertex e and vertex e of edge C. By drawing the image to be stretched to f, the supplementary three-dimensional object 1100 having a triangular prism shape can be drawn.
- map information generating apparatus As described above, according to the map information generating apparatus, the map information generating method, and the map information generating program which are effective in the embodiment of the present invention, real three-dimensional map information 300 with a small data amount is used. Can be generated. This also makes it possible to employ an inexpensive memory with a small capacity that does not require the use of a large capacity memory.
- the map information 300 within the range viewed from the input viewpoint coordinates is extracted. Pseudo three-dimensional display can be performed. Further, since a general-purpose three-dimensional object can be shared, the data amount of the map information 300 can be reduced. [0063] Further, since it is possible to reproduce realistic three-dimensional map information 300, the user intuitively recognizes that the map information 300 displayed on the display screen is a scene that is actually visually observed with the naked eye. Can be recognized. This allows the user to drive safely without the user being lost due to the mismatch between the displayed map information 300 and the scenery being viewed.
- the map information generation method described in the present embodiment can be realized by executing a prepared program on a computer such as a personal computer, a workstation, or an embedded device.
- This program is recorded on a computer-readable recording medium such as a hard disk, a flexible disk, a CD, a DVD, an MO, a memory card, a RAM, and a ROM, and is executed by being read out by the computer.
- This program may be a transmission medium that can be distributed via a network such as the Internet.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP05726662A EP1752948A4 (en) | 2004-03-31 | 2005-03-15 | CARDINFORMATION GENERATION DEVICE, CARDINFORMATION GENERATION PROCESS AND CARDINFORMATION GENERATION PROGRAM |
CN2005800107760A CN1938739B (zh) | 2004-03-31 | 2005-03-15 | 地图信息生成装置、地图信息生成方法 |
US10/594,426 US20080238914A1 (en) | 2004-03-31 | 2005-03-15 | Map Information Creating Device, Map Information Creating Method, and Map Information Creating Program |
JP2006511944A JP4776531B2 (ja) | 2004-03-31 | 2005-03-15 | 地図情報生成装置、地図情報生成方法、および地図情報生成プログラム |
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JP2009104063A (ja) * | 2007-10-25 | 2009-05-14 | Denso Corp | 地図表示装置 |
JP2011007755A (ja) * | 2009-06-29 | 2011-01-13 | Victor Co Of Japan Ltd | ナビゲーション装置およびナビゲーション方法 |
WO2012032570A1 (ja) * | 2010-09-07 | 2012-03-15 | 三菱電機株式会社 | 道路描画装置および道路描画方法 |
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US7590487B2 (en) * | 2006-08-10 | 2009-09-15 | Alpine Electronics, Inc. | Method and apparatus of displaying three-dimensional arrival screen for navigation system |
EP2543964B1 (en) | 2011-07-06 | 2015-09-02 | Harman Becker Automotive Systems GmbH | Road Surface of a three-dimensional Landmark |
CN103593872B (zh) * | 2013-09-24 | 2016-09-07 | 沈阳美行科技有限公司 | 一种导航地图展现真实实景空间的方法 |
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Also Published As
Publication number | Publication date |
---|---|
JPWO2005098792A1 (ja) | 2008-02-28 |
JP4776531B2 (ja) | 2011-09-21 |
CN1938739A (zh) | 2007-03-28 |
EP1752948A1 (en) | 2007-02-14 |
US20080238914A1 (en) | 2008-10-02 |
CN1938739B (zh) | 2012-08-29 |
EP1752948A4 (en) | 2010-04-28 |
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