KR100831595B1 - Navigation system and method for displaying poi of land mark - Google Patents

Navigation system and method for displaying poi of land mark Download PDF

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Publication number
KR100831595B1
KR100831595B1 KR1020060109764A KR20060109764A KR100831595B1 KR 100831595 B1 KR100831595 B1 KR 100831595B1 KR 1020060109764 A KR1020060109764 A KR 1020060109764A KR 20060109764 A KR20060109764 A KR 20060109764A KR 100831595 B1 KR100831595 B1 KR 100831595B1
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KR
South Korea
Prior art keywords
landmark
information
period information
priority
display area
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Application number
KR1020060109764A
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Korean (ko)
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KR20080041765A (en
Inventor
장지수
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팅크웨어(주)
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Priority to KR1020060109764A priority Critical patent/KR100831595B1/en
Priority to PCT/KR2007/004609 priority patent/WO2008056882A1/en
Publication of KR20080041765A publication Critical patent/KR20080041765A/en
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Publication of KR100831595B1 publication Critical patent/KR100831595B1/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • 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
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3679—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096791—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is another vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map

Abstract

According to the present invention, a display priority is adjusted with respect to landmark period information (POI: Point Of Interest), which is specialized period information among period information existing on route data provided by a navigation system, Even if the period information provided on the data is changed, the landmark period information is always included on the route data and displayed, and to a navigation system. The method of displaying period information according to the present invention includes the steps of: maintaining priority information corresponding to each landmark period information in a priority database; checking at least one landmark period information existing in route data of a running vehicle; Searching for the priority information of the identified landmark period information from the priority database, identifying priority information within the set n rank among the searched priority information, identifying landmark period information of the identified priority information In the display area in consideration of the position of the vehicle.

Landmark, period information, priority, display, navigation

Description

TECHNICAL FIELD [0001] The present invention relates to a landmark period information display method and a navigation system,

1 is a diagram showing an example of displaying landmark period information according to the related art.

2 is a block diagram illustrating a configuration of a navigation system according to an embodiment of the present invention.

3 is a diagram showing the structure of a priority database according to the present invention.

4 is a diagram illustrating an example of displaying landmark period information according to the present invention.

5 is a flowchart illustrating a cyclic information display method according to an embodiment of the present invention.

Description of the Related Art

200: Navigation system

201: Path database

202: Landmark database

203: Priority database

204: Information retrieval unit

205: Priority identification unit

206: display selection unit

207:

The present invention relates to a navigation system and a navigation system that adjust display priority for landmark period information, which is specialized period information among period information existing on route data provided by a navigation system, so that when period information provided on route data is changed Also, the present invention relates to a cyclic information display method and a navigation system that display cyclic information on the route data at all times.

A navigation system is a system for providing route information for a vehicle such as a vehicle using a satellite, and has POI (Point of Interest) information based on map data. The period information is data that displays main facilities, stations, airports, terminals, hotels, etc. on a map in coordinates. Therefore, the navigation system can provide the route data including the road information and the period information based on the map data existing on the route in consideration of the position of the moving vehicle.

However, since all the road information and period information included in the route can not be displayed in a limited display area at once, the necessary period information on the route is provided on the route data in consideration of the current position of the vehicle. At this time, in the conventional navigation system, the period information that needs to be shown on the route data is selected as the landmark period information, and a certain number of the landmark period information is selected in descending order from the current position have. However, the landmark period information is included in the route data depending on the position of the vehicle, but the landmark period information is not included in the display area.

Referring to FIG. 1, reference numerals 101 and 102 denote path data 101a and 102a which overlap on a display area. That is, the landmark cycle information (Seoul Tower, Dongguk University) included in the map data although the map data 101a and 102a are duplicated on the route data has a problem in that it is displayed on the display area depending on the position of the vehicle and is not displayed . This is because it displays a certain number of landmark cycle information in order from the current position of the vehicle in the nearest order. That is, the conventional navigation system does not provide or provide the landmark cycle information that is included in the map data but is already the past route or located at a distance, regardless of the importance.

However, it is preferable that the landmark periodic information is provided to selectively provide periodic information that can assist the driver in driving the vehicle, and is always provided to assist the driver in driving. Accordingly, the present invention proposes a method of selecting a priority for displaying the landmark period information and displaying the landmark period information by always including the landmark period information on the route data provided according to the position of the vehicle.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the conventional art as described above, and it is an object of the present invention to select priority of landmark period information in order to always display important landmark period information on route data, It is an object of the present invention to provide a periodical information display method and a navigation system for visualizing landmark period information having priority information in the n rank among the landmark period information in a display area in consideration of the position of a vehicle.

In addition, the periodic information display method and navigation system according to the present invention selects periodic information, which needs to be displayed in a specialized manner among the periodic information, as landmark periodic information to help a driver of the vehicle, And to always display important landmark period information on the route even if the display area is changed.

According to an aspect of the present invention, there is provided a method for displaying a periodic information according to an embodiment of the present invention, including the steps of: The method comprising the steps of: maintaining priority information in a priority database; checking at least one landmark period information existing in route data of the vehicle in operation; searching the priority rank information of the identified landmark period information from the priority database; Identifying the priority information in the n ranking among the searched priority information, and visualizing the landmark period information of the identified priority information in the display area in consideration of the position of the vehicle .

Also, the navigation system for displaying the landmark period information according to an embodiment of the present invention includes a priority database for maintaining priority information corresponding to each landmark period information, at least one An information searching unit for checking the landmark period information and searching for the priority information of the identified landmark period information from the priority database, And a display unit for visualizing the landmark period information of the identified priority information in the display area in consideration of the position of the vehicle.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings and accompanying drawings, but the present invention is not limited to or limited by the embodiments.

2 is a block diagram illustrating a configuration of a navigation system according to an embodiment of the present invention.

The navigation system 200 includes a route database 201, a landmark database 202, a priority database 203, an information search unit 204, a priority identification unit 205, a display selection unit 206, (207). More specifically, the navigation system 200 selects priority information for the landmark period information, which is specialized period information among the period information existing on the route data, and selects the route based on the position of the vehicle on the basis of the selected priority information Even when the period information provided on the data is changed, the landmark period information is always included on the route data and displayed.

Hereinafter, the present invention will be described in detail with reference to the respective components of the navigation system 200.

The route database 201 stores route data including road information and period information based on the map data. The road information includes road types such as a highway, a national road, and a local road, and lane information such as a first lane, a second lane, and a fourth lane. The road information may be updated every predetermined period according to a change of a lane, a newly established road, or a changed road. The point of interest (POI) is data that displays a main facility, a station, an airport, a terminal, a hotel, and the like in coordinates on a map. For example, "Jongno 3-ga Subway", "Seoul Theater" and "National Tax Service" can be periodic information based on Jongno-gu area in Seoul.

The landmark database 202 stores at least one landmark period information corresponding to the route data. The landmark period information is information on a landmark building that needs to be shown in a specialized manner among the period information. For example, based on the Seoul area, "Seoul Station", "63 Building", and "Seoul Tower" can be selected as the landmark cycle information. The landmark period information can be selected by an administrator of the navigation system 200 and updated according to the user's driving tendency.

Referring to FIG. 3, the priority database 203 stores priority information corresponding to each of at least one landmark period information stored in the landmark database 202. The priority information can be expressed numerically according to the importance of the landmark period information, and is used for selecting a display priority thereafter. For example, according to the importance of landmark cycle information, it is possible to select different priorities from "Sejong Cultural Center, 5", "Seoul City Hall, 4", "National Tax Service, 3" have. Alternatively, priority information may be selected for "COEX, 5", "Trade Center, 5" based on Gangnam-gu, Seoul. Like the landmark period information, the priority information may be selected by an administrator of the navigation system 200, and may be updated according to the driving tendency of the user.

The information searching unit 204 identifies at least one landmark cycle information present in the route data of the vehicle under running and retrieves priority rank information of the identified landmark cycle information from the priority database 203. [ The information retrieval unit 204 may determine route data from the current position of the vehicle in real time in accordance with the direction of travel of the vehicle or route data from the origin to the destination by selecting the origin and destination from the driver of the vehicle have. When the route data is determined, the information searching unit 204 identifies the location of the vehicle and confirms the landmark period information within the set range from the identified location from the landmark database 202. [

At this time, the information searching unit 204 can check the landmark period information of the route data included in the display area of the display area based on the display area of the navigation system 200. The display area may be different from each other depending on the model of the terminal providing the navigation system 200. The display unit 207 may display the landmark period information on the route data to be included in one screen of each terminal, The mark period information can be displayed on the path data. That is, conventionally, a certain number of landmark cycle information is displayed in order from the current position of the vehicle. In the present invention, the landmark cycle information to be displayed is determined according to the priority information of the landmark cycle information.

To this end, the priority identification unit 205 identifies the priority information in the n rank among the searched priority information. The n-rank may be selected flexibly according to the importance of the landmark period information, or may be selected as one value in consideration of appropriate landmark period information to be displayed on one screen. For example, when one display area includes ten pieces of landmark information, the top five landmark period information having a high priority can always be displayed on the display area. Alternatively, only a few landmark period information may be always displayed on the display area in consideration of the distance from the current position of the vehicle among the ten landmark period information.

The display unit 207 can visualize the landmark period information of the identified priority information in the display area in consideration of the position of the vehicle. At this time, the display unit 207 can select the landmark period information having high priority information from among the identified priority information and visualize the selected landmark period information in the display area. The display unit 207 may change the display area in accordance with the driving direction of the vehicle, and if the landmark period information displayed in the previous display area exists on the changed display area, Area.

Referring to FIG. 4, reference numerals 401 and 402 indicate landmark period information of "Seoul Tower" and "Dongguk University" in the display area. Referring to FIG. 1, conventionally, landmark period information of "Seoul Tower" and "Dongguk University" is indicated by a reference numeral 101 but not by a reference numeral 102. In order to solve such a conventional problem, the present invention displays both landmark marks 401 and 402 with overlapping landmarks 401 and 402. This is to assist the driver of the vehicle, and the driver can confirm the current position or the position to which he / she wants to go by confirming generally known or well known landmark period information.

The display selection unit 206 selects the display priority for the landmark period information included in the display area using the priority information of the landmark period information and the distance from the current position of the vehicle. For example, priority information of the first landmark period information existing at a distance from the current position of the vehicle among the first and second landmark period information included in the display area exists in the vicinity of the current position of the vehicle The display priority order of the first landmark period information is higher than the display priority order of the second landmark period information.

That is, if the landmark period information is located at a distance from the current position of the vehicle, if the landmark period information is an important landmark period information affecting the driving of the driver, the landmark period information located at a distance from the landmark period information, . This solves the problem that the landmark period information is uniformly displayed in a certain number in the order from the current position of the conventional vehicle, and has the effect of helping the driver to travel.

5 is a flowchart illustrating a cyclic information display method according to an embodiment of the present invention. The cyclic information display method according to this embodiment can be performed by the navigation system 200 as shown in FIG.

The navigation system 200 includes a route database 201 for storing route data, a landmark database 202 for storing landmark period information, and a priority database for storing priority information corresponding to each of the landmark period information 203 are stored (step 501). The path data includes road information and period information based on the map data. The landmark period information is periodic information specialized for helping the driver to drive among the periodic information on the path data. For example, based on the Seoul area, "Seoul Station", "63 Building", and "Seoul Tower" can be selected as the landmark cycle information. The priority information is information expressed in numerical form according to the importance of the landmark period information (see FIG. 3).

The information retrieval unit 204 of the navigation system 200 confirms at least one landmark cycle information existing in the route data of the running vehicle from the landmark database 202 (step 502). The information retrieval unit 204 may determine route data from the current position of the vehicle in real time in accordance with the direction of travel of the vehicle or route data from the origin to the destination by selecting the origin and destination from the driver of the vehicle have. When the route data is determined, the information searching unit 204 identifies the location of the vehicle and confirms the landmark period information within the set range from the identified location from the landmark database 202. [

The information retrieval unit 204 retrieves priority information corresponding to the identified landmark period information from the priority database 203 (step 503). Referring to FIG. 3, the priority information of the landmark period information included in the Jongno-gu area of Seoul can be searched by "Sejong Cultural Center, 5", "Seoul City Hall, 4", "National Tax Service, 3"

The priority identification unit 205 identifies priority information within the set n rank among the searched priority information (step 504). The n ranking can be selected as a higher schedule number with higher priority information. The navigation system 200 may change the n ranking according to the importance of the landmark period information, or may select the landmark period information considering the appropriate landmark period information to be displayed on one screen.

The display selection unit 206 selects a display priority for the landmark period information included in the display area using the priority information of the landmark period information and the distance from the current position of the vehicle (step 505). For example, the display priority of the landmark period information having high priority information of the landmark period information among the landmark period information located near the vehicle can be selected to be high.

The display unit 207 visualizes the landmark period information of the identified priority information in the display area in consideration of the position of the vehicle (step 506). At this time, the display unit 207 changes the display area according to the driving direction of the vehicle, and if the landmark period information displayed in the previous display area exists on the changed display area, Lt; / RTI > 4, when the landmark period information (Seoul Tower, Dongguk University) displayed in the previous display area 401 exists on the changed display area 402, the landmark period information (Seoul Tower, Dongguk University) Can be displayed on the display area.

As described above, according to the present invention, the priority of the landmark period information is selected, and the landmark period information having the priority information within the set n rank among the landmark period information included in the route data of the vehicle is considered Thereby visualizing important landmark cycle information on the route data at all times.

The cyclic information display method according to the present invention may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions recorded on the medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

In the periodic information display method and navigation system according to the present invention, the priority of the landmark period information is selected and the landmark period information having the priority information within the set n rank among the landmark period information included on the vehicle's route data, There is an effect of always displaying important landmark cycle information on the route data by visualizing it in the display area in consideration of the position of the vehicle.

In the periodic information display method and the navigation system according to the present invention, the period information that needs to be displayed in a special manner among the period information is selected as the landmark period information, the priority information corresponding to each landmark period information is selected, Even when the vehicle is traveling, the important landmark cycle information is always displayed on the route, thereby contributing to the driving of the vehicle driver.

In the periodic information display method and the navigation system according to the present invention, when the priority information of the landmark period information located at a distance is higher than the priority information of the landmark period information located at a nearby location, the landmark period information located at a distance is displayed There is an effect that the important landmark period information can be always displayed.

Claims (16)

A method for displaying period information, Maintaining priority information corresponding to each landmark cycle point of interest (POI) in a priority database; Identifying landmark cycle information which is specialized cycle information among cycle information existing on the route data of the vehicle under travel; Retrieving priority information of the identified landmark period information from the priority database; Identifying priority information within the set n rank among the searched priority information; And Visualizing the landmark period information of the identified priority information in the display area in consideration of the position of the vehicle And displaying the period information. The method according to claim 1, Wherein the step of visualizing comprises: Selecting a display priority for the landmark period information included in the display area using the searched priority information and a distance between the current position of the vehicle and the landmark period information; And Visualizing the landmark period information in the display area according to the selected display priority And displaying the period information. 3. The method of claim 2, The landmark period information that is relatively far from the current position of the vehicle is referred to as the first landmark period information and the landmark period information that is relatively close to the current position is the second landmark period information, When defining landmark cycle information, Wherein the step of selecting the display priority for the landmark period information comprises: Selecting any first landmark period information; And When the priority information of the selected first landmark period information is higher than the priority information of the second landmark period information, the display priority of the first landmark period information is displayed on the display of the second landmark period information Selecting higher than priority And displaying the period information. delete The method according to claim 1, Maintaining path data in a path database; And Maintaining the landmark period information in the landmark database in correspondence with the path data Further comprising the steps of: The method according to claim 1, The step of confirming the landmark period information comprises: Determining route data including landmark period information; And Identifying the location of the vehicle and identifying landmark cycle information within a set range from the identified location And displaying the period information. The method according to claim 1, Wherein the step of visualizing comprises: The landmark period information having the highest priority information retrieved from among the at least one landmark period information included in the display area is selected and visualized in the display area in consideration of the position of the vehicle. The method according to claim 1, Wherein the step of visualizing comprises: Changing a display area according to a driving direction of the vehicle; And And displaying the landmark period information on the changed display area when the landmark period information displayed in the previous display area exists on the changed display area And displaying the period information. A computer-readable recording medium storing a program for executing the method according to any one of claims 1 to 3 and 5 to 8. 1. A navigation system for displaying landmark period information, A priority database for maintaining priority information corresponding to each landmark cycle point of interest (POI); An information searching unit for checking the landmark period information, which is specialized period information among the period information existing on the route data of the running vehicle, and searching the priority database for the priority information of the landmark period information; A priority identification unit for identifying priority information in the n rank among the searched priority information; And A display unit for visualizing the landmark period information of the identified priority information in a display area in consideration of the position of the vehicle, The navigation system comprising: 11. The method of claim 10, A path database storing path data; And A landmark database for storing landmark period information corresponding to the route data; The navigation system further comprising: 11. The method of claim 10, The information retrieval unit, Determines route data including landmark period information, identifies the position of the vehicle, and confirms landmark period information within a set range from the identified position. 11. The method of claim 10, The priority- Selecting the landmark period information having the highest priority information among the landmark period information included in the display area, The display unit And visualizes the selected landmark period information in the display area in consideration of the position of the vehicle. 11. The method of claim 10, Further comprising a display selecting unit for selecting a display priority for the landmark period information included in the display area using the searched priority information and the distance from the current position of the vehicle, The display unit includes: And visualizes the landmark period information in the display area according to the selected display priority. 15. The method of claim 14, Wherein the display selection unit comprises: If the priority information of the landmark period information existing at a distance from the current position of the vehicle among the landmark period information included in the display area is higher than the priority information of the landmark period information existing at a short distance, And the display priority of the landmark period information is selected to be higher than the display priority of the landmark period information existing in the vicinity. 11. The method of claim 10, The display unit And displays the landmark period information on the changed display area when there is landmark period information displayed in the previous display area on the changed display area, in accordance with the traveling direction of the vehicle Navigation system.
KR1020060109764A 2006-11-08 2006-11-08 Navigation system and method for displaying poi of land mark KR100831595B1 (en)

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PCT/KR2007/004609 WO2008056882A1 (en) 2006-11-08 2007-09-20 Navigation system and method for displaying poi of land mark

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CN110347771A (en) * 2019-07-15 2019-10-18 北京百度网讯科技有限公司 The method and apparatus of map for rendering
CN110347771B (en) * 2019-07-15 2022-04-22 北京百度网讯科技有限公司 Method and apparatus for presenting a map

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