JP2004077497A - Navigation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation system that can search for a route through an input of a keyword representing a psychological desire without setting of a destination. <P>SOLUTION: Image pickup means 100 image roads and analyze congestion statuses to form analysis data, which are stored in server means 200. When a user inputs a keyword, for example, "stress relieving", from mobile terminal means 300, analysis data on an associated vehicle position is downloaded from the server means 200, and a road without congestion is retrieved. The navigation system can also search map data storing means in the mobile terminal means 300 for a route passing through roads with fewer signals or highways and returning back to the associated vehicle position to retrieve a route enabling the user to relieve stress. <P>COPYRIGHT: (C)2004,JPO

Description

The present invention relates to a route search function for searching for a road, and more particularly, to navigation using a route search function for searching for a route by inputting a keyword according to a current psychological demand without setting a destination. About the system.

In recent years, vehicles equipped with a navigation system have been increasing. The information provided by the navigation system is also expanding from map information to information including, for example, traffic information and route guidance information (map-related information). Is expected.

A conventional in-vehicle navigation system provides a user with a read-only recording medium such as a DVD-ROM in which map data and related information are recorded in advance, and the user records the map data and related information as necessary. It is common to read a medium and set a route to a destination.

For example, in Patent Literature 1, when the on-vehicle mobile terminal unit detects that the vehicle is in a stray state based on the traveling locus of the vehicle, an image around the vehicle captured during the stray traveling is displayed together with the traveling locus, A technical content related to a support function for selecting a corresponding point candidate from map data by having the user input a scenery stored in the memory of the user is disclosed.
JP 2001-33268 A

However, in the conventional navigation system described in the above publication, the user has to set a destination. However, when a user drives a car, there are only a few cases where the user moves after setting a destination, and there is a problem that the operation rate of the navigation system is low and the attractiveness of the product in the navigation system itself is fading. .

The present invention solves such a conventional problem. By providing a new route search means other than the route search with only the destination setting, the operation rate of the navigation system can be increased and the product can be made an attractive product. .

The navigation system according to the present invention includes a video photographing unit that captures and analyzes a road image, a server unit that stores data analyzed by the video photographing unit, and downloads data on the congestion status of each road from the server unit. Mobile terminal means for searching for a route satisfying the request when a keyword representing a user's psychological request is input. With this configuration, the mobile terminal means searches for a route that satisfies the user's psychological request by referring to the downloaded congestion state of each road when a keyword representing the user's psychological request is input. Become.

As described above, according to the present invention, when a user inputs a keyword indicating a psychological request without setting a destination, a route satisfying the request is searched for by referring to the congestion state of each road. It is possible to provide a navigation system that has a high operation rate and is attractive as a product.

FIG. 1 is a diagram schematically showing a configuration of a navigation system according to an embodiment of the present invention. As shown in FIG. 1, the navigation system according to the embodiment of the present invention includes a video photographing unit 100, a server unit 200, and a mobile terminal unit 300.

The image capturing means 100 is installed on each road, and captures and analyzes images of the road. The server unit 200 receives and stores data captured by the video capturing unit 100 and analyzed by video communication. The mobile terminal 300 downloads the video analysis data stored in the server 200 by communication. In the following description, it is assumed that the mobile terminal means 300 is an in-vehicle terminal used by being mounted on a vehicle.

FIG. 2 is a block diagram showing the basic configuration of the video photographing means 100 of FIG. As shown in FIG. 2, the video photographing unit 100 includes a communication unit 101, a video input unit 102, a video storage unit 103, a video analysis unit 104, and an analysis data storage unit 105. Here, each means is connected to each other by a bus.

In the image capturing means 100, the image input means 102 captures an image of the traffic congestion, and the image storage means 103 stores the captured image. The video analysis unit 104 analyzes the traffic congestion state based on the video stored in the video storage unit 103, and converts the analysis result into data. The analysis data storage unit 105 stores the analysis result that has been converted into data. The communication means 101 reads out the analysis data stored in the analysis data storage means 105 and transmits it to the server means 200 in FIG.

FIG. 3 is a block diagram showing a basic configuration of the server means 200 of FIG. As shown in FIG. 3, the server unit 200 includes a communication unit 201, an analysis data storage unit 202, and a music data storage unit 203. Here, each means is connected to each other by a bus.

In the server means 200, the communication means 201 receives the analysis data analyzed by the video photographing means 100 installed on each road, and the analysis data storage means 202 stores the received analysis data. The music data storage means 203 stores music data of various genres, and the communication means 201 can transmit the music data read from the music data storage means 203 to the mobile terminal means 300.

FIG. 4 is a block diagram showing a basic configuration of the mobile terminal means 300 of FIG. As shown in FIG. 4, the mobile terminal 300 includes a communication unit 301, an analysis data storage unit 302, a map data storage unit 303, a keyword input unit 304, a keyword route search unit 305, a vehicle position detection unit 306, and an image processing unit. 307, image display means 308, music data storage means 309, music data reproduction means 310, music data output means 311, and keyword matching means 312.

Here, the communication unit 301, the analysis data storage unit 302, the map data storage unit 303, the keyword route search unit 305, the vehicle position detection unit 306, the image processing unit 307, the music data storage unit 309, and the keyword matching unit 312 They are connected to each other by a bus. The output of the keyword input unit 304 is input to the keyword route search unit 305, and the output of the image processing unit 307 is input to the image display unit 308. Then, the output of the music data storage unit 309 is input to the music data reproduction unit 310, and the output of the music data reproduction unit 310 is input to the music data output unit 311.

The music data storage means 309 has a function of storing music data downloaded from a network such as the Internet by the communication means 301 or music data reproduced from a commercially available package medium (CD, MD, etc.). Thereby, music data of various genres can be stored in the music data storage means 309. The music data reproducing means 310 is capable of expanding compressed data such as ATRAC3, MP3, ACC, TwinVQ and the like. It is preferable that the music data storage means 309, the music data reproduction means 310, and the music data output means 311 are detached from the mobile terminal means 300 and made portable. Further, it is preferable that the communication means be detached from the mobile terminal means 300 and made portable.

In the mobile terminal unit 300, when the user inputs a keyword, for example, “stress relief” from the keyword input unit 304, the keyword route search unit 305 receives the vehicle position data from the vehicle position detection unit 306, and passes through the communication unit 301. The analysis data near the own vehicle position is downloaded from the server means 200 and stored in the analysis data storage means 302. The keyword matching means 312 selects the conditions "road is busy", "suburb", and "average speed 50 km / h" from the keyword "stress relief", and the keyword route search means 305 stores it in the analysis data storage means 302. Search for uncongested roads from the analyzed data. Further, the keyword route search unit 305 searches the map data storage unit 303 for a route that returns to the position of the vehicle through a road with few traffic lights or an expressway, and outputs the corresponding map data. The image processing unit 307 draws the map data output from the map data storage unit 303, draws the route searched by the keyword route search unit 305 on the drawn map data, and displays the route by the image display unit 308. Also, the keyword matching unit 312 selects a condition of “silence” from the keyword of “stress relief”, and selects music for “stress relief” from music data of each genre stored in the music data storage unit 309, for example, classical music. Music data is reproduced by the music data reproducing means 310, and the reproduced music data is outputted by the music data output means 311. If the music data corresponding to the keyword input by the keyword input means 304 is not stored in the music data storage means 309, the music data is stored in the music data storage means 203 of the server means 200 or a music site on the Internet via the communication means 301. The music data is downloaded to the music data storage means 309.

In the above embodiment, the mobile terminal means has been described as an in-vehicle terminal, but any terminal may be used as long as it is a portable information terminal, for example.

According to the present invention, when a user inputs a keyword indicating a psychological request without setting a destination, it is possible to search for a route satisfying the request by referring to the congestion state of each road, Has the effect of being able to provide an attractive navigation system as a product, and the user searches for a route by entering a keyword that matches the current psychological demand without setting a destination It is useful as a navigation system using a search function.

1 is a block diagram illustrating a configuration of a navigation system according to an embodiment of the present invention. FIG. 2 is a block diagram showing a configuration of a video photographing unit in FIG. FIG. 2 is a block diagram showing the configuration of the server means in FIG. FIG. 2 is a block diagram showing the configuration of the mobile terminal means in FIG.

Explanation of reference numerals

100 Video shooting means 101, 201, 301 Communication means 102 Video input means 103 Video storage means 104 Video analysis means 105, 202, 302 Analysis data storage means 200 Server means 203, 309 Music data storage means 300 Mobile terminal means 303 Map data storage Means 304 Keyword input means 305 Keyword route searching means 306 Own vehicle position detecting means 307 Image processing means 308 Image display means 310 Music data reproducing means 311 Music data output means 312 Keyword matching means

Claims (3)

The system includes video photographing means for photographing and analyzing a video of a road, server means for storing data analyzed by the video photographing means, and mobile terminal means for downloading data on the congestion status of each road from the server means. The mobile terminal means searches for a route satisfying the request when a keyword representing a user's psychological request is input. 2. An image photographing means used in the navigation system according to claim 1, wherein the image storing means stores a photographed image of the road, and a video analysis which analyzes a traffic congestion state from the image stored in the image storing means. Means for storing image data of congestion analyzed by the image analysis means; and communication means for transmitting the analysis data stored in the analysis data storage means to the server means. . 2. A server means for use in the navigation system according to claim 1, wherein said communication means performs data communication with a video photographing means and a mobile terminal means, and stores data analyzed by said video photographing means installed on a road. Server means comprising analysis data storage means for performing

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