KR20090132485A - Method for geographical information system and mobile terminal - Google Patents

Abstract

PURPOSE: A method for geographical information confirming system and a mobile terminal are provided to obtain the information about current location by matching the location with saved images. CONSTITUTION: Image data is inputted(S10,S20). The location of a mobile terminal is calculated through GPS. The image data and location data are transmitted to a server. The range within the prescribed distance is instituted based on location data as the search configuration range(S30). The image data within the search configuration range and the image data recording as described above are compared(S50). When the image data similar to the recorded image data is searched, the searched image data is arranged according to similarity.

Description

Control method and mobile terminal of geographical information verification system {Method for geographical information system and mobile terminal}

The present invention relates to a control method and a mobile terminal of a geographic information confirmation system, and more particularly, to a control method and a mobile terminal of a geographic information confirmation system capable of confirming information of a corresponding position by using a GPS and a photograph.

In general, a global positioning system (GPS) may measure accurate time and distance from three or more satellites and calculate three different distances according to a triangulation method. Unlike compasses, GPS is used to obtain three-dimensional velocity information as well as latitude, longitude, and altitude.

In particular, conventional GPS has been used for navigation and the like to provide location information or route information of a vehicle.

The present invention relates to a control method and a mobile terminal of a geographic information confirmation system that can confirm the information of the corresponding location by using the GPS and the photograph.

One aspect of the present invention is a mobile terminal comprising a global positioning system (GPS) capable of confirming location information and an imaging unit capable of taking pictures, and a control means for controlling at least one of the GPS or the imaging unit. ; A server including an image database storing image data according to each position, a central processing unit for comparing the image of the image database with an image photographed through the imaging unit, and an information database storing information according to each position; As a control method of a geographic information verification system using a wired or wireless communication network connecting the server and the mobile terminal,

(a) inputting image data photographed through the imaging unit; (b) calculating the position of the mobile terminal through the GPS; and (c) the photographed image data and the photographed position data. Transmitting to the server; (d) setting the search setting range within a predetermined distance in the image database based on the position data, and (e) the image data within the search setting range and the photographed image. Comparing image data; and (f) if image data similar to the photographed image data is found in the image database, sorting the image data of the image database searched according to the similarity, and the sorted image data The image data captured in step (d) and the photographed time are transmitted to the mobile terminal. For example, when the setting range is set differently and at least one of the sorted image data transmitted to the mobile terminal is selected by the user, the mobile terminal transmits the selected image data to the server, and the central processing unit Search for information data related to the selected image data in the information database, and the searched information data is transmitted to the mobile terminal.

According to another aspect of the present invention, there is provided a global positioning system (GPS) capable of confirming location information, an imaging unit capable of taking pictures, an image database storing image data according to each location, and information storing information associated with each image data. Geographic information verification system using a database, storage means including information stored by a user, control means for controlling the imaging unit, the GPS or the storage means, and display means for displaying the image data or the information data. As a control method of

(a) inputting image data photographed through the imaging unit; (b) calculating the position of the mobile terminal through the GPS; and (c) the photographed image data and data of the image database. (D) setting the photographed image data and the photographed time in the image database based on the position data as variables to set a search setting range within a predetermined distance; and (e) the Sorting the searched data in the order of high similarity among the data of the image database, and when the user selects at least one of the searched data after the step (e), displaying the information data associated with the selected data on the display means. It provides a control method of a mobile terminal further comprising a step.

The control means may further include generating geographic information data by combining the position data of the GPS and the photographed image data, and searching an image database within a predetermined range based on the position data of the GPS. Personal information may be generated by connecting at least one of image data generated by the image pickup unit with text inputted by the user, voice data, and video data, and the personal information may be stored in the storage means.

Geographic information confirmation system and control method according to the present invention by matching the stored image of a predetermined range with reference to the location and the photographed image identified through the GPS easily information even in a state where the user does not have any information about the current position There is an effect that can be obtained.

In addition, the present invention compares the similarity between the image stored in the server and the image taken by the user and allows the user to select the compared information, thereby minimizing the error of the part that cannot be mechanically processed.

In addition, the present invention has the effect of obtaining more accurate data because the image is compared in consideration of the time of the photographed position.

In addition, the present invention utilizes the image photographed by the user again as the data of the image DB, there is an effect that the provision of information and the collection of information at the same time.

In addition, the present invention can provide tourists with relevant photographs and information such as interests in regard to international events hosted by national and local governments, such as flora and fauna ecosystem, environment or major events, through mobile terminals, and confirmed by geography. And it can provide information according to each location, there is an effect of providing an event occurring in a specific region for each date and time.

1 is a block diagram showing a geographic information confirmation system according to a first embodiment of the present invention, Figure 2 is a flow chart showing a control method of the geographic information confirmation system according to a first embodiment of the present invention.

1 and 2, the geographic information verification system 100 according to the present embodiment includes a server 10, a satellite positioning system 22, and a imaging unit 24. The mobile terminal 20 includes a wired / wireless communication network 30 that connects the server 10 and the GPS 22.

The server 10 stores an image database (hereinafter, referred to as an “image DB”) in which a photographed or processed image is stored, a captured image transmitted from the mobile terminal 20, or the image DB and the image DB. It includes a central processing unit (14: referred to as "CPU") for comparing the stored images of the.

The image DB 12 stores an image of a landscape photograph, a historic place, a building, etc. of each region, and an image of a characteristic building or a historic site is converted into three dimensions and stored.

The mobile terminal 20 is, for example, a UMPC (Ultra Mobile Personal Computer), navigation, personal digital assistants (PDA), mobile communication terminals, etc., the GPS 22 and an imaging unit 24 capable of capturing the surrounding images ), Storage means 26 for storing the image taken by the imaging unit 24, control means 28 for controlling the GPS 22 and the imaging unit 24, and the processed data. And display means 25 for displaying to the user.

The GPS 22 checks the position of the mobile terminal 20 by receiving a signal transmitted from the satellite.

In this embodiment, the imaging unit 24 is a camera module capable of capturing a still picture or a video, and is disposed in the mobile terminal 20. In contrast, the imaging unit may be implemented as a digital camera or a digital camcorder, and may be connected to the mobile terminal 20 and transmit the captured image to the mobile terminal 20.

The storage means 26 may be a RAM, a hard disk drive, a flash memory, or the like, and the photographed image may be stored and detachably installed in the mobile terminal 20 through a memory card.

In addition, the storage means 26 may store data of the image DB 12 or the information DB 16 of the server 10.

The control means 28 processes the image photographed by the imaging unit 24, stores the image in the storage means 26, and increases or decreases the sharpness or increases or decreases the contrast ratio according to the photographed image. Processed image data.

In addition, the control means 28 calculates the position of the mobile terminal 20 through the signal received by the GPS (22).

The display means 25 is composed of an LCD or an OLED, and the data shown to the user is displayed.

Hereinafter, the control method of the geographic information confirmation system according to the present embodiment will be described in more detail.

First, a user photographs a landscape or a building that the user wants to know through the imaging unit 24 of the mobile terminal 10 (S10), and the image or image input through the imaging unit 24 is the control means ( 28 is stored in the storage means 26. (S20)

In addition, the control means 28 receives the location information where the photographing is performed through the GPS 22, and then combines the photographed image and the photographing time with the location data. (S30)

Meanwhile, in the present embodiment, the image or image input through the imaging unit 24 is stored as an example, but the control means 28 is an image or image input through the imaging unit 24. It can be combined with the location data as described above even without storing.

Next, the control means 28 transmits the photographed image data and position data to the server 10 through the wired / wireless communication network 30, and the CPU 14 of the server 10 Receive image data and location data. (S40)

Here, the user may check an image or an image input to the mobile terminal 10 and press a predetermined button to transmit the image to the server 10.

The CPU 14 compares the image data of the image DB 12 with the transmitted image data based on the received position data. (S50)

That is, the CPU 14 sets a predetermined range based on the position data, and then calculates the similarity by comparing the transmitted image data with the image data within the setting range.

In this case, the CPU 14 or the control means 28 determines the transmitted image data to determine that the image data is a landscape, sets the setting range to a range suitable for the landscape, and determines that the landscape is not a landscape. Set the setting range narrower than the landscape.

For example, the CPU 14 or the control means 28 determines that the landscape is a mountain or valley when the photographed time is summer day and the green image is more than a predetermined value in the photographed image data.

Next, the CPU 14 or the control means 28 may determine that the mountain or valley when the white or brown image in the photographed image data is more than a predetermined value when the photographed time is winter.

As such, the CPU 14 or the control means 28 may roughly determine the photographed image to increase or decrease the setting range for the photographing position.

Thus, the CPU 14 compares the image within the setting range with the photographed image in the image DB 12 and arranges the images in the order of high similarity. (S60)

Meanwhile, the CPU 14 stores the image photographed by the user in the image DB 12 to be used as a database.

The CPU 14 transmits the sorted data to the mobile terminal 10 (S70), and the user selects the transmitted data sorted according to similarity (S80), and the selected at least one data is The data is transmitted back to the server 10 (S90).

The data arranged by the CPU 14 may include at least one of image data, video data, and text data, and the user may select a plurality of the sorted data.

Next, when the data selected by the user is transmitted to the server 10, the CPU 14 extracts the information according to the selected data from the information DB 16 and transmits the information to the mobile terminal 10. . (S100)

Here, the data extracted by the CPU 14 is information about the captured image.

For example, if the data selected by the user through a similarity analysis after photographing is related to a mountain, the information data extracted from the information DB 16 may include a history of the selected mountain, mountain climbing information, a historic site located in the mountain, a historic spot, and the like. Information such as national treasures, national treasures, and the like can also be extracted and provided from the location currently photographed with water to the optimal movement route.

If the data selected by the user after the similarity analysis is the same building as the temple, the information data extracted from the information DB 16 is provided by extracting the history of the selected temple, the list of cultural assets located in the temple, and tourist attractions around the temple. can do.

Next, the information data transmitted to the mobile terminal 10 is displayed on the display means 25 so that the user can check the information.

In this case, the mobile terminal may be serviced through a mobile communication service such as a mobile phone, and may charge a fee for the search service according to a general electronic commerce method.

3 is a block diagram showing a geographic information confirmation system according to a second embodiment of the present invention, Figure 4 is a flow chart showing a control method of the geographic information confirmation system according to a second embodiment of the present invention.

Unlike the first embodiment, the geographic information according to the present embodiment stores and judges data only in the mobile terminal 20.

The user photographs a landscape or a building that the user wants to know through the imaging unit 24 of the mobile terminal 10 (S10), and the image or image input through the imaging unit 24 is the control means 28. Is stored in the photographing image database 26c (hereinafter referred to as "photographing image DB") of the storage means 26. (S20)

Here, the control means 28 receives the positional data on which the photographing is performed through the GPS 22, and then combines the photographed image and the photographing time with the positional data to generate the geographic information data 27. (S130)

Meanwhile, in the present embodiment, the image or image input through the imaging unit 24 is stored as an example, but the control means 28 is an image or image input through the imaging unit 24. It can be combined with the location data as described above even without storing.

The control means 28 compares the geographic information data 27 with the image DB 26a stored in the storage means 26. (S150)

Here, the user may check the image or image input to the mobile terminal 10 and then press a predetermined button to proceed the process described below. If the input image or the image is not clear, the process described below may be stopped. .

Here, the control means 28 compares the image data stored in the image DB 26a with the photographed image of the geographic information data 27 based on the position data included in the geographic information data 27.

That is, the control means 28 sets a predetermined range based on the position data to reduce the range of the image DB 26a, and then calculates the similarity by comparing with the photographed image.

The control means 28 compares the photographed image and the image data and arranges the image data in the order of high similarity. (S160)

The user selects any one of the sorted image data, and the control means 28 recognizes the user's selected image data.

The data arranged by the control means 28 may include at least one of image data, video data, or text data, and the user may select a plurality of the arranged data.

The control means 28 extracts information associated with the selected image data from the information DB 26b of the storage means 26 and displays the information on the display means 25. (S190)

For example, if the data selected by the user through the similarity analysis after photographing is about a mountain, the information data extracted from the information DB 26b may include a history of the selected mountain, mountain climbing information, a historical site located in the mountain, a historic spot, and the like. Information such as national treasures, national treasures, and the like can also be extracted and provided from the location currently photographed with water to the optimal movement route.

If the data selected by the user through the similarity analysis after photographing is the same building as the temple, the information data extracted from the information DB 26b is provided by extracting the history of the selected temple, the list of cultural assets located in the temple, and the tourist attractions around the temple. can do.

In addition, a user may input personal information into the photographed image through the mobile terminal 20.

Here, the storage means 26 includes a personal information DB 29 in which the user's personal information is stored, and the data stored in the personal information DB 29 includes text input by the user and the geographic information data 27. For example, the tracking information including the movement path of the user, the voice information input by the user, or the captured image or the captured video recorded by the user may be mentioned.

Thus, after the user photographs the object through the imaging unit 24, the user can record a memo or an appreciation through text, and the recorded data is stored in the personal information DB 29.

In addition, the personal information DB 29 may store the geographic information data 27 generated by the control means 28, or the movement path of the user.

For example, when the user moves with the mobile terminal 20, location data received through the GPS 22 is received, and the location data may be connected to generate tracking information of the user.

In addition, when photographing an image or a moving image while the user is moving, the tracking information and the image data or the video data are combined, and the combined image data or the video data is stored in the personal information DB 29.

Next, when a user wants to share the personal information DB 29 with another person, the user changes the setting of the mobile terminal 20 to set at least some data of the personal information DB 29 to share, The control means 28 transmits shared data to the server 10, and the CPU 14 of the server 10 stores the transmitted shared data in the information DB 16.

Thus, any user may receive shared data stored in the information DB 16 of the server 10, and thereby share personal information of each user.

On the other hand, the mobile terminal 20 may update the data of the storage means 26 through the wired / wireless communication network (30).

For example, when data of the image DB 12 or the information DB 16 of the server 10 is changed, it is confirmed through mutual communication between the CPU 14 and the control means 28, and the changed data Is moved to the mobile terminal 20 through a wired / wireless communication network 30, the control means 28 stores the updated data in the storage means (26).

The updated data in the storage means 26 includes personal information shared by other users.

On the other hand, the control means 28 may continuously store the position data received through the GPS 22 to generate a user's movement path, the image data or the image data captured by the imaging unit 24 during the movement or Tracking information may be generated by combining video data with the movement path.

In addition, the tracking information generated by the mobile terminal 20 may be transmitted to the server 10 through sharing, and the tracking information transmitted to the server 10 may be shared with other users.

Thus, the mobile terminal according to the present embodiment can be used by renting a tourist to a tourist spot in a specific area. For example, when tourists come to a tourist spot, they usually enjoy sightseeing through brochures or maps, whereas when renting a mobile terminal according to the present embodiment, information about the tourist spot is frequently moved while moving to the area. There is an effect that can be provided. In addition, since the data of the information DB is provided without restriction on time / space, it is possible to minimize the inconvenience that tourists feel in unfamiliar spaces, and there is no need for a separate guide.

5 is a block diagram showing a geographic information confirmation system according to a third embodiment of the present invention.

Referring to FIG. 5, the mobile terminal 20 according to the present embodiment includes the GPS 22, the control means 28, and the display means 25, and is separate from the mobile terminal 20. An imaging device 50 is provided.

The imaging device 50 may be, for example, a digital camera or a digital camcorder, and the image data photographed and processed by the imaging device 50 may be input to the mobile terminal 20 to confirm the above-mentioned geographic information. .

Since the rest of the configuration and control process is similar to the first embodiment, detailed description thereof will be omitted.

On the other hand, the present invention is not limited by the embodiments and drawings presented herein, it can be applied by those skilled in the art within the scope of the technical spirit of the present invention is protected.

1 is a block diagram showing a geographic information confirmation system according to a first embodiment of the present invention

2 is a flowchart illustrating a control method of a geographical information confirmation system according to a first embodiment of the present invention.

3 is a block diagram showing a geographic information confirmation system according to a second embodiment of the present invention.

4 is a flowchart illustrating a control method of a geographical information confirmation system according to a second embodiment of the present invention.

5 is a block diagram showing a geographic information confirmation system according to a third embodiment of the present invention.

<Brief description of the symbols for the main parts of the drawings>

10: server 12: image database

14: controller 16: information database

20: mobile terminal 22: GPS

24: imaging unit 25: display means

26: storage means 26a: image DB

26b: Information DB 26c: Shooting Image DB

27: geographic information data 28: control means

29: Personal information DB 30: Wired / wireless communication network

Claims (6)

A mobile terminal comprising a global positioning system (GPS) capable of confirming location information and an imaging unit capable of taking pictures, and a control means for controlling at least one of the GPS or the imaging unit; A server including an image database storing image data according to each position, a central processing unit for comparing the image of the image database with an image photographed through the imaging unit, and an information database storing information according to each position; As a control method of a geographic information verification system using a wired or wireless communication network connecting the server and the mobile terminal, (a) inputting image data photographed through the imaging unit; (b) calculating the position of the mobile terminal through the GPS; (c) transmitting the photographed image data and the photographed position data to the server; (d) setting a search setting range within a predetermined distance in the image database based on the position data; (e) comparing the image data within the search setting range with the photographed image data; (f) when image data similar to the photographed image data is retrieved from the image database, the image data of the retrieved image database is sorted according to the similarity, and the sorted image data is transmitted to the mobile terminal, The image data photographed in step (d) and the photographed time are set as variables so that the setting ranges are differently set. When at least one of the sorted image data transmitted to the mobile terminal is selected by the user, the mobile terminal transmits the selected image data to the server, and the central processing unit sends information data related to the selected image data. Searching in the information database, wherein the retrieved information data is transmitted to the mobile terminal. GPS (global positioning system) to check the location information, an image pickup unit that can take a picture, an image database storing image data according to each position, an information database storing information associated with each image data, and the user stores A control method of a geographic information confirmation system using a storage means including one information, a control means for controlling the imaging unit, the GPS or the storage means, and a display means for displaying the image data or the information data. (a) inputting image data photographed through the imaging unit; (b) calculating the position of the mobile terminal through the GPS; (c) comparing the photographed image data with data of the image database; (d) setting the photographed image data and the photographed time as variables in the image database based on the position data to set a search setting range within a predetermined distance; (e) sorting the retrieved data in order of high similarity among the data of the image database; After step (e), And when the user selects at least one of the retrieved data, displaying the information data associated with the selected data on the display means. The method of claim 2, The control means further comprises the step of combining the position data of the GPS and the photographed image data to generate geographic information data. The method of claim 2, The control means is a control method of a mobile terminal for searching the image database within a predetermined range based on the position data of the GPS. The method of claim 2, The control means is a control method of a mobile terminal for generating personal information by connecting at least one of the image data generated by the image pickup means and the user input text, audio data, video data. The method of claim 5, The personal information is stored in the storage means control method of a mobile terminal.

Images