KR20180101074A - Method for providing 3D map information and apparatus for the same - Google Patents

Abstract

Disclosed are a method and apparatus for generating 3D map information of an indoor space using previously generated data without making or storing indoor space information. A method for providing map information according to the present disclosure includes the steps of receiving building information; detecting drawing data of an area corresponding to the received building information; and generating 3D space information based on the drawing data. Accordingly, the present invention can provide the 3D map information of the indoor space using previously generated data without making or storing additional map data or images about the indoor space information.

Description

TECHNICAL FIELD [0001] The present invention relates to a 3D map information providing apparatus,

This disclosure relates to a three-dimensional geographical information providing technique, and more particularly, to a method and apparatus for providing three-dimensional geographical information on an indoor space.

Advances in 2D map services have increased consumer demand for 3D map services.

In order to provide a 3D map service, a large amount of 3D geographical information is required, and in order to provide the required 3D geographical information in response to user input, a lot of computation processing is required. In consideration of this, in order to provide a 3D map service, a program capable of efficiently processing three-dimensional geographical information is required.

However, with the development of data processing technology and hardware devices, 3D map service can be used in a web browser without installing a separate program.

The 3D map service is mostly provided in the service providing the outdoor map, but the 3D map service for the indoor space is not actively provided due to a relatively large amount of data, As well.

In order to provide a 3D map service for an indoor space of a general building, there is a demand for a three-dimensional map service for indoor space There is a problem that a lot of cost and time are required for the production of the map.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and it is an object of the present invention to provide a method and apparatus for generating three-dimensional map information of an indoor space using data already generated without producing or storing indoor spatial information.

The technical objects to be achieved by the present disclosure are not limited to the above-mentioned technical subjects, and other technical subjects which are not mentioned are to be clearly understood from the following description to those skilled in the art It will be possible.

According to an aspect of the present disclosure, a method of providing map information may be provided. The method may include receiving building information, detecting drawing data of an area corresponding to the received building information, and generating three-dimensional spatial information based on the drawing data.

According to another aspect of the present disclosure, an apparatus for providing map information may be provided. The apparatus includes a user input unit for processing a user input, a building information confirmation unit for confirming building information corresponding to the user input, a drawing data detection unit for detecting drawing data of an area corresponding to the inputted building information, And a three-dimensional spatial information providing unit for generating and providing three-dimensional spatial information based on the drawing data.

The features briefly summarized above for this disclosure are only exemplary aspects of the detailed description of the disclosure which follow, and are not intended to limit the scope of the disclosure.

According to the present disclosure, it is possible to provide three-dimensional map information of an indoor space by utilizing already generated data without producing or storing images or map data for separate indoor space information.

The effects obtainable from the present disclosure are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description below will be.

1 is a block diagram showing a map information providing apparatus according to an embodiment of the present disclosure;
2 is a flowchart showing a procedure of a map information providing method according to an embodiment of the present disclosure.
3 is a diagram illustrating map data used in a map information providing method according to an embodiment of the present disclosure;
4A is a diagram exemplifying the drawing data used in the map information providing method according to the embodiment of the present disclosure.
FIG. 4B is a diagram in which contour lines are extracted from the drawing data of FIG. 4A.
FIG. 4C is a diagram illustrating a three-dimensional drawing generated using FIG. 4B. FIG.
FIG. 5 is another example of a three-dimensional drawing generated in a map information providing method according to an embodiment of the present disclosure; FIG.

Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings, which will be easily understood by those skilled in the art. However, the present disclosure may be embodied in many different forms and is not limited to the embodiments described herein.

In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present disclosure rather unclear. Parts not related to the description of the present disclosure in the drawings are omitted, and like parts are denoted by similar reference numerals.

In the present disclosure, when an element is referred to as being "connected", "coupled", or "connected" to another element, it is understood that not only a direct connection relationship but also an indirect connection relationship May also be included. Also, when an element is referred to as " comprising "or" having "another element, it is meant to include not only excluding another element but also another element .

In the present disclosure, the terms first, second, etc. are used only for the purpose of distinguishing one element from another, and do not limit the order or importance of elements, etc. unless specifically stated otherwise. Thus, within the scope of this disclosure, a first component in one embodiment may be referred to as a second component in another embodiment, and similarly a second component in one embodiment may be referred to as a first component .

In the present disclosure, the components that are distinguished from each other are intended to clearly illustrate each feature and do not necessarily mean that components are separate. That is, a plurality of components may be integrated into one hardware or software unit, or a single component may be distributed into a plurality of hardware or software units. Thus, unless otherwise noted, such integrated or distributed embodiments are also included within the scope of this disclosure.

In the present disclosure, the components described in the various embodiments are not necessarily essential components, and some may be optional components. Thus, embodiments consisting of a subset of the components described in one embodiment are also included within the scope of the present disclosure. Also, embodiments that include other elements in addition to the elements described in the various embodiments are also included in the scope of the present disclosure.

The terms used in this disclosure can be defined as follows.

The three-dimensional spatial information may include data required to construct a three-dimensional map.

The drawing data may include two-dimensional drawing data that is a basis for constructing the three-dimensional spatial information.

The building information is information used to acquire the drawing data, and may include information that can identify a required indoor space.

Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings.

1 is a block diagram showing a map information providing apparatus according to an embodiment of the present disclosure; 1, a map information providing apparatus 10 according to an embodiment of the present disclosure includes an input device 11, a display 12, a communication unit 13, a building information confirmation unit 15, a drawing data detection unit 16, and a 3D spatial information providing unit 17.

The input device 11 may include a touch panel, a (digital) pen sensor, a key, or an ultrasonic input device.

The touch panel can recognize the touch input by at least one of an electrostatic type, a pressure sensitive type, an infrared type, and an ultrasonic type. The touch panel may further include a control circuit. In electrostatic mode, physical contact or proximity recognition is possible. The touch panel may further include a tactile layer. In this case, the touch panel may provide a tactile response to the user.

The (digital) pen sensor can be implemented, for example, in the same or similar method as receiving the touch input of the user or using a separate recognizing sheet. The key may comprise, for example, a physical button, an optical key or a keypad. The ultrasonic input device is an apparatus for recognizing data by sensing an ultrasonic wave in an electronic device through an input tool for generating an ultrasonic signal, and is capable of wireless recognition. According to one embodiment, the electronic device may receive user input from an external device (e.g., a computer or a server) connected thereto using the communication module.

The display 12 may include a panel, a hologram device, or a projector. The panel may be, for example, a liquid-crystal display (LCD) or an active-matrix organic light-emitting diode (AM-OLED). The panel may be embodied, for example, flexible, transparent or wearable. The panel may be formed of one module with the touch panel. The hologram device can display stereoscopic images in the air using interference of light. The projector can display an image by projecting light onto a screen. The screen may be located, for example, inside or outside the electronic device. According to one embodiment, the display may further include a control circuit for controlling the panel, the hologram device, or the projector.

The communication unit 13 may perform data transmission / reception in communication between other electronic devices connected through a network. According to one embodiment, the communication unit may include a cellular module, a Wifi module, a BT module, a GPS module, an NFC module, and a radio frequency (RF) module.

In one embodiment of the present disclosure, the input device 11 may receive building information from a user. The building information may be information that can identify the building, and may include an address, a building name, and the like corresponding to the building information.

As another example, the map information providing apparatus may display the map data through the display 12, select a predetermined area on the map data from the user through the input device 11, . Therefore, the building information may further include coordinate information on which the building is located.

The building information confirmation unit 15 can confirm the building information using the information input through the input device. For example, the building information verifying unit 15 confirms the building identifier existing in the area corresponding to the address, confirms the building identifier corresponding to the building name, or corresponds to the coordinate information And the corresponding building identifier can be confirmed.

The building information confirmation unit 15 can acquire the floor information identifier or the call information identifier as the building information. The input device 11 can receive the address information from the user. At this time, the address information can not only identify the building, but also can identify the floor information identifier or the lake of the building, Lt; / RTI > Accordingly, the building information verification unit 15 can acquire the layer information identifier or the call information identifier through the information input from the user.

The map information providing apparatus has a database for storing map data therein, and can confirm building information from a database provided therein. As another example, the building information verifying unit 15 can be connected to at least one server that provides map data through the communication unit, and can obtain building information using the information input through the input device 11 . Further, the map data may include three-dimensional map data, and the map information providing device may provide a three-dimensional map of the building included in the map through the display 12. [ The building information confirmation unit 15 can confirm the selected area through the input device 11 and confirm the corresponding location in the three-dimensional map data. That is, it is possible to confirm whether the selected area through the input device 11 corresponds to the number of buildings of the building or to which lake of the building. Accordingly, the building information verification unit 15 can acquire the layer information identifier or the call information identifier through the information input from the user.

Further, the building information verifying unit 15 may detect the lakes included in the corresponding number of the buildings in the building using the building identifier and the floor information identifier. Specifically, the building information verifying unit 15 provides the building identifier and the floor information identifier to the server device that provides the building information, and stores information (e.g., call information identifier) of the lake included in the corresponding floor of the building Can be requested and received.

As another example, the building information verifying unit 15 may be connected to a server device for searching for building information to search for information corresponding to the building identifier and the floor information identifier, It is possible to extract information having a value equal to or greater than a predetermined reliability as a result of the search. The building information confirmation unit 15 can detect information (e.g., call information identifier) of the lake corresponding to the building identifier and floor information identifier from the extracted information.

The drawing data detecting unit 16 can confirm the drawing data corresponding to the building information confirmed by the building information confirming unit 15. [ For example, the drawing data detector 16 may transmit the building identifier and the floor information identifier to a server device that provides the drawing data of the building, and request the corresponding drawing data. The drawing data detector 16 can receive drawing data for all the lakes included in the corresponding layer of the building from the server device that provides the drawing data of the building.

The three-dimensional spatial information providing unit 17 can generate three-dimensional spatial information based on the drawing data. For example, the drawing data may include a topographic image, wherein the three-dimensional spatial information providing unit 17 may extract the outline from the drawing data of the topographic image format. Then, the three-dimensional spatial information providing unit 17 can generate a three-dimensional drawing in which the extracted contour line is set as a wall surface.

Further, a plurality of lakes may exist in the layer of the building, and the three-dimensional spatial information providing unit 17 may acquire a plurality of three-dimensional drawings corresponding to the plurality of lakes. Further, the three-dimensional spatial information providing unit 17 may combine a plurality of three-dimensional drawings. At this time, the three-dimensional spatial information providing unit 17 may merge the plurality of three-dimensional drawings reflecting the accumulation information included in the drawing data.

2 is a flowchart showing a procedure of a map information providing method according to an embodiment of the present disclosure.

The map information providing method according to an embodiment of the present disclosure can be performed by the map information providing apparatus described above.

First, in step S21, the map information providing apparatus can confirm the building information corresponding to the user input.

The building information can be confirmed based on the information input from the user. For example, the map information providing apparatus can receive an address, a building name, and the like through a user input interface. The map information providing apparatus transmits the input information, that is, the address and the building name, to a server device that provides building information, As shown in FIG. In this case, the information input from the user, that is, the address information may include not only the information for identifying the building, but also a floor information identifier for identifying the number of floors of the building or a call information identifier for identifying a lake of the building . Accordingly, the layer information identifier or the call information identifier can be obtained through the information input from the user.

As another example, the map information providing apparatus can display the map data through the display, select a predetermined area on the map data through the user input interface, and confirm the coordinate information on the selected area. Then, it can be obtained by transmitting the confirmed coordinate information (or the address information corresponding to the coordinate information) to the server device for providing the building information and requesting the corresponding building information.

3 is a diagram illustrating map data used in a map information providing method according to an embodiment of the present disclosure;

Referring to FIG. 3, the map data may include three-dimensional map data, and the map information providing apparatus may provide a three-dimensional map 310 of the building included in the map through the display. Then, the map information providing apparatus can confirm the area 320 selected by the user, and can confirm the corresponding position in the three-dimensional map data. That is, the map information providing apparatus can confirm which building corresponds to the selected area, the number of floors of the building, or which lake of the building. Accordingly, the map information providing apparatus can acquire the floor information identifier or the call information identifier through the information inputted from the user, and the building information can be a building identifier for identifying the building, A floor information identifier, and a call information identifier capable of identifying a lake included in the building.

In step S22, the map information providing device can confirm the drawing data corresponding to the confirmed building information. For example, the map information providing apparatus can transmit the building identifier and the floor information identifier to the server apparatus that provides the drawing data of the building, and request the corresponding drawing data. The map information providing device can receive drawing data for all the lakes included in the corresponding layer of the building from the server device providing the drawing data of the building.

The map information providing apparatus can connect to a server apparatus (e.g., a server apparatus that provides real estate information) that provides drawing data of the building, and can process the web crawl to confirm the drawing data corresponding to the building information.

FIG. 4A is a diagram illustrating the drawing data used in the map information providing method according to the embodiment of the present disclosure, FIG. 4B is a diagram in which contour lines are extracted from the drawing data of FIG. 4A, FIG. 1 is a diagram illustrating a three-dimensional drawing. 5 is another example of a three-dimensional drawing generated in the map information providing method according to an embodiment of the present disclosure.

In step S23, the map information providing apparatus can generate three-dimensional spatial information based on the drawing data. For example, the drawing data may include a floor plan image 410 (see FIG. 4A), which can construct a drawing 420 (see FIG. 4B) that extracts contours from drawing data in a floor plan image format have. Then, the map information providing apparatus can generate a three-dimensional drawing in which the outline is set as the wall in the drawing in which the outline is extracted (see FIG.

Furthermore, there may be a plurality of lakes in the floor of the building, and the map information providing apparatus can acquire a plurality of three-dimensional drawings corresponding to the plurality of lakes. The three map information providing apparatuses may provide a plurality of three-dimensional drawings by merging them (510 (see FIG. 5)). At this time, the map information providing device may merge the plurality of three-dimensional drawings reflecting the accumulation information included in the drawing data.

The map information providing device may reflect the call information identifier obtained in step S21 or step S22 on the three-dimensional drawing or may reflect the call information identifier extracted from the text included in the drawing data on the three-dimensional drawing (521, 522).

Although the exemplary methods of this disclosure are represented by a series of acts for clarity of explanation, they are not intended to limit the order in which the steps are performed, and if necessary, each step may be performed simultaneously or in a different order. In order to implement the method according to the present disclosure, the illustrative steps may additionally include other steps, include the remaining steps except for some steps, or may include additional steps other than some steps.

The various embodiments of the disclosure are not intended to be all-inclusive and are intended to illustrate representative aspects of the disclosure, and the features described in the various embodiments may be applied independently or in a combination of two or more.

In addition, various embodiments of the present disclosure may be implemented by hardware, firmware, software, or a combination thereof. In the case of hardware implementation, one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays A general processor, a controller, a microcontroller, a microprocessor, and the like.

The scope of the present disclosure is to be accorded the broadest interpretation as understanding of the principles of the invention, as well as software or machine-executable instructions (e.g., operating system, applications, firmware, Instructions, and the like are stored and are non-transitory computer-readable medium executable on the device or computer.

Claims (13)

A method for providing map information,
Inputting building information,
Detecting drawing data of an area corresponding to the received building information;
And generating three-dimensional spatial information based on the drawing data. The method of claim 1, wherein the step of detecting the drawing data comprises:
And checking at least one of a building identifier, a floor information identifier, and a call information identifier included in the building information. The method of claim 1, wherein the generating of the three-
Extracting contour lines from the drawing data;
And generating three-dimensional spatial information having the contour as a wall surface. The method of claim 1, wherein the step of receiving the building information comprises:
Displaying map data,
Receiving at least one area from the displayed map data;
And confirming building information corresponding to at least one inputted area. The method of claim 1, wherein the step of receiving the building information comprises:
And receiving information corresponding to at least one of a building identifier, a floor information identifier, and a call information identifier from a user. The method of claim 1, wherein the step of detecting the drawing data comprises:
Searching drawing data of an area corresponding to the building information;
And storing the retrieved drawing data. The method of claim 1, wherein the step of detecting the drawing data comprises:
Transmitting at least one drawing data request message including at least one drawing data requestor requesting the building information and the drawing data to at least one server apparatus for managing the drawing data;
And receiving drawing data of an area corresponding to the building information from at least one server apparatus that manages the drawing data. An apparatus for providing map information,
A user input section for processing user input,
A building information confirmation unit for confirming building information corresponding to the user input;
A drawing data detector for detecting drawing data of an area corresponding to the received building information;
And a three-dimensional spatial information providing unit for generating and providing three-dimensional spatial information based on the drawing data. 9. The method of claim 8,
Wherein the user input includes information corresponding to at least one of a building identifier, a floor information identifier, and a call information identifier. The apparatus according to claim 8, wherein the three-
Extracts a contour line from the drawing data, and generates three-dimensional space information having the contour line as a wall surface. 9. The method of claim 8,
And a display unit for displaying map data,
Wherein the user input unit comprises:
Receives at least one area of the map data, and confirms building information corresponding to the inputted at least one area. The image processing apparatus according to claim 8,
Searches the drawing data of an area corresponding to the building information, and stores the searched drawing data. The image processing apparatus according to claim 8,
Transmitting at least one drawing data request message including drawing data requestors requesting the building information and drawing data to at least one server apparatus managing the drawing data,
And receives drawing data of an area corresponding to the building information from at least one server apparatus that manages the drawing data.

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