KR20110086525A - Navigation system, server connected to the navigation system, and control method of a navigation device for vehicle - Google Patents

Abstract

PURPOSE: A navigation system, a server connected to the navigation system, and a control method for a car navigation are provided to offer a variety of services including path guide information and accident hazard area information which is obtained from image data mapped with location information. CONSTITUTION: A car navigation(100) comprises a display part, an input part(120), a storage part(150), a communication part(110), and a control part(170). The input part is inputted with information corresponding to a reference position. The storage part stores video data and map data mapped with first location information. The communication part receives the image data from the black box of a vehicle. The control part obtains second location information from the map data using the input information, searches the image data mapped with the first location information within a set range based on the second location information from the storage part, and outputs the search result through the display part.

Description

NAVIGATION SYSTEM, SERVER CONNECTED TO THE NAVIGATION SYSTEM, AND CONTROL METHOD OF A NAVIGATION DEVICE FOR VEHICLE}

The present invention relates to a navigation system, and more particularly to a vehicle navigation, and a vehicle black box.

With the opening of the Internet network and the revision of laws related to location information, the industry based on location based services (LBS) is being activated. As an area-based service, the vehicle navigation industry for positioning a current location of a vehicle equipped with a device or guiding a route to a destination is also rapidly being activated.

On the other hand, objective data are increasing in order to determine the error rate according to the responsibility for accidents that occur during the stopping or driving of a vehicle. Accordingly, a vehicle black box capable of providing objective data is used. However, the conventional vehicle black box can only provide simple and flat information on the state of the vehicle, and thus does not effectively meet the needs of the user.

The present invention relates to a navigation system for retrieving image data to which location information is mapped, a server connected thereto, and a vehicle navigation method.

As one aspect of the present invention for realizing the above object is a vehicle navigation according to the present invention, a display unit; An input unit configured to receive input information corresponding to a reference position; A storage unit which stores image data and map data mapped with the first location information; A communication unit configured to receive the image data from a vehicle black box mounted on a vehicle; Acquiring second location information from the map data using the input information, and searching the storage unit for image data to which first location information within a predetermined distance is mapped based on the second location information; And a control unit outputting the search result to the display unit.

According to the present invention, a navigation system, a server connected thereto, and a vehicle navigation method may be configured to search image data in which first location information within a predetermined distance is mapped based on second location information obtained by using input information. Even if the user does not receive the exact place from the user, the video data or the video frame can be searched.

In addition, new and various services may be provided to the user by providing the user with route guidance information, accident risk area information, etc. acquired using the image data to which the first location information is mapped.

1 is a diagram of a navigation system according to an embodiment of the present invention.
2 is a diagram of a navigation system according to another embodiment of the present invention.
FIG. 3 is a block diagram of a vehicle navigation system shown in FIG. 1.
4 is a block diagram of the vehicle black box shown in FIG. 1.
5 is a configuration diagram of a communication network including the navigation system shown in FIG. 1.
6 to 8 are flowcharts illustrating a process of mapping image data to position information according to an embodiment of the present invention, respectively.
9 is a flowchart illustrating a process of searching image data according to an embodiment of the present invention.
10 is a diagram illustrating an example of inputting input information according to an embodiment of the present invention.
11 is a diagram illustrating another example of inputting input information according to an embodiment of the present invention.
12 is a diagram illustrating an example of a search result screen according to an embodiment of the present invention.
13 is a block diagram illustrating a server connected to a navigation system according to an embodiment of the present invention.
14 is a block diagram illustrating the server of FIG. 13 in more detail.
15 is a flowchart illustrating a process of searching image data according to another embodiment of the present invention.

The above objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. It is to be understood, however, that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities. Like reference numerals designate like elements throughout the specification. In addition, when it is determined that the detailed description of the known function or configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, the numbers (eg, first, second, etc.) used in the description process of the present specification are merely identification symbols for distinguishing one component from another component.

Hereinafter, a navigation system according to the present invention will be described in more detail with reference to the accompanying drawings. The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other.

1 is a diagram of a navigation system according to an embodiment of the present invention.

As shown in the drawing, the navigation system 10 according to an embodiment of the present invention may include a vehicle navigation apparatus 100 and a vehicle black box 200.

The navigation system 10 may refer to a system for informing a driver and a passenger of a vehicle of various information related to driving and maintenance of the vehicle. The navigation system 10 may be a vehicle navigation apparatus 100 in a narrow sense, and in a broad sense, the navigation system 10 may be viewed as a concept including various electronic devices that operate in conjunction with the vehicle navigation apparatus 100 in a wired or wireless manner. That is, the integrated navigation system 10 may be configured by connecting various electronic devices capable of supplementing and increasing the function of the vehicle navigation apparatus 100. The electronic device capable of constituting the navigation system 10 by interworking with the vehicle navigation apparatus 100 may be another mobile terminal, a remote controller, or the like that can be connected to a mobile communication network. In addition, an electronic device that may be connected to the vehicle navigation apparatus 100 to configure the navigation system 10 may include the vehicle black box 200. The vehicle black box 200 may be provided integrally or separately from the vehicle navigation apparatus 100. That is, in FIG. 1, although the vehicle black box 200 provided separately from the vehicle navigation apparatus 100 is connected through the communication cable 300, the vehicle black box 200 may be integrated with the vehicle navigation apparatus 100. Means.

The vehicle navigation apparatus 100 may include a display unit 145 provided on the front surface of the navigation housing 191, a navigation operation key 193, and a navigation microphone 195.

The navigation housing 191 forms the exterior of the vehicle navigation apparatus 100. The vehicle navigation apparatus 100 may be exposed to an environment of various conditions such as being exposed to high or low temperatures due to seasonal factors or being subjected to direct / indirect external shocks. The navigation housing 191 may have a purpose to protect various electronic components inside the vehicle navigation apparatus 100 from changes in the external environment and to enhance the appearance of the vehicle navigation apparatus 100. In order to achieve this purpose, the navigation housing 191 may be processed by injection molding a material such as ABS, PC or strength-enhanced engineering plastics.

The display unit 145 visually displays various types of information. The various types of information displayed on the display unit 145 may be map data combined with route information, various broadcast screens including DMB broadcasting, or images stored in a memory. The display unit 145 may be divided into several physically or logically. The physically divided display unit 145 refers to a case in which two or more display units 145 are adjacent to each other. The logically divided display unit 145 refers to a case in which a plurality of independent screens are physically displayed on one display unit 145. For example, when the DMB broadcast is received and displayed, the route information is displayed on a part of the display unit 145 or the DMB broadcast and the map screen are displayed on a part different from the part of the display unit 145, respectively. Can be. In accordance with the tendency for various functions to converge in the vehicle navigation apparatus 100, the display unit 145 is logically divided to display various information. Furthermore, in order to display various kinds of information, the display unit 145 is gradually becoming larger.

The entire surface or part of the display unit 145 may be a touch screen that may receive a user's touch input. For example, the function may be activated by touching the function selection button displayed on the display unit 145. That is, it means that the display unit 145 may be an output unit (140 of FIG. 3) and an input unit (120 of FIG. 3) of an image.

The navigation operation key 193 may be provided for executing various functions of the vehicle navigation apparatus 100 or for allowing a user to directly input necessary data. The convenience of use can be improved by mapping a frequently used specific function to the navigation operation key 193.

The navigation microphone 195 may be provided to receive a sound including voice and sound. For example, the specific function of the vehicle navigation apparatus 100 may be executed based on the voice signal received by the navigation microphone 195. In addition, the current state of the vehicle, such as the occurrence of an accident, may be detected based on the acoustic signal received by the navigation microphone 195.

The vehicle black box 200 may store information necessary for an accident handling process of the vehicle by exchanging a signal with the vehicle navigation apparatus 100. For example, when an accident occurs while driving a vehicle, the image obtained and stored in the vehicle black box 200 may be analyzed and used to determine the extent of the accident and the degree of error. In addition, the vehicle black box 200 connected to the vehicle navigation apparatus 100 may utilize various types of information stored in the vehicle navigation apparatus 100. For example, the image obtained by the vehicle black box 200 may be mapped to map data stored in the vehicle navigation apparatus 100 to increase the utility of the vehicle black box 200.

The vehicle black box 200 may obtain information of the vehicle while driving and stopping. That is, not only can the image be taken while the vehicle is running, but also the image can be taken even when the vehicle is stopped. The image quality of the image acquired through the vehicle black box 200 may be constant or change. For example, before and after the occurrence of an accident, the image quality of the image is increased, and in general, the image quality can be saved by minimizing the required storage space by storing the image quality.

The vehicle black box 200 may include a black box camera 222, a black box microphone 224, and an attachment part 281.

The black box camera 222 may photograph the outside or the interior of the vehicle. In addition, the black box camera 222 may be provided in singular or plural. When there are a plurality of black box cameras 222, one may be integrated with the vehicle black box 200 and the other may transmit an image photographed while being attached to each part of the vehicle to the vehicle black box 200. . In the case where the black box camera 222 is singular, the black box camera 222 may be installed to photograph the front of the vehicle. The image photographed by the black box camera 222 may be stored in the vehicle black box 200 or the vehicle navigation apparatus 100.

The black box microphone 224 may acquire sound generated inside and outside the vehicle. The black box microphone 224 may perform a function similar to the navigation microphone 195 described above.

The attachment part 281 may fix the vehicle black box 200 to the vehicle. The attachment part 281 may be a suction plate that may attach the vehicle black box 200 to the windshield of the vehicle, or may be a fixing device that may be coupled to a room mirror of the vehicle.

FIG. 2 is a diagram of a navigation system according to another embodiment of the present invention, and only parts different from the embodiment of the present invention will be described.

In the navigation system 10 according to another embodiment of the present invention, the vehicle navigation apparatus 100 and the vehicle black box 200 may be wirelessly connected. That is, the vehicle navigation apparatus 100 and the vehicle black box 200 are separate devices, and there may be no physical connection device therebetween. The vehicle navigation apparatus 100 and the vehicle black box 200 may communicate through Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra WideBand (UWB), ZigBee, and the like. .

FIG. 3 is a block diagram of a vehicle navigation system shown in FIG. 1.

As shown in the drawing, the vehicle navigation apparatus 100 according to an embodiment of the present invention includes a first communication unit 110, an input unit 120, a first sensing unit 130, an output unit 140, The first storage unit 150, the power supply unit 160, and the first control unit 170 may be included.

The first communication unit 100 may be provided for the vehicle navigation apparatus 100 to communicate with other devices. The first communication unit 100 includes a first location information module 111, a first wireless internet module 113, a broadcast transmission / reception module 115, a first local area communication module 117, and first wired communication. Module 119 may be included.

The first location information module 111 is an apparatus for obtaining location information through a global navigation satellite system (GNSS). GNSS refers to a navigation system that can calculate the position of the receiving terminal using the radio signal received from the satellite (20 of FIG. 5). Specific examples of GNSS include Global Positioning System (GPS), Galileo, Global Orbiting Navigational Satellite System (GLONASS), COMPASS, Indian Regional Navigational Satellite System (IRNS), and Quasi-Zenith Satellite System (QZSS), depending on the operating entity. Can be. The first location information module 111 of the vehicle navigation apparatus 100 according to an embodiment of the present invention may receive location information by receiving a GNSS signal serving in an area where the vehicle navigation apparatus 100 is used.

The first wireless internet module 113 is an apparatus for accessing the wireless internet to obtain or transmit information. The wireless Internet accessible through the first wireless internet module 113 may be a wireless LAN (WLAN), a wireless broadband (WBRO), a world interoperability for microwave access (Wimax), a high speed downlink packet access (HSDPA), or the like. .

The broadcast transmission / reception module 115 is a device for transmitting and receiving broadcast signals through various broadcast systems. The broadcast system capable of transmitting and receiving through the broadcast transmission / reception module 115 includes a digital multimedia broadcasting terrestrial (DMBT), a digital multimedia broadcasting satellite (DMBS), a media forward link only (MediaFLO), a digital video broadcast handheld (DVBH), and an ISDBT ( Integrated Services Digital Broadcast Terrestrial). The broadcast signal transmitted and received through the broadcast transmission / reception module 115 may include traffic information, living information, and images captured by the vehicle black box (200 of FIG. 1).

The first short range communication module 117 is a device for short range communication. As described above, the first short-range communication module 117 may communicate through Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra WideBand (UWB), ZigBee, or the like. have.

The first wired communication module 119 is an interface device capable of connecting the vehicle navigation apparatus 100 to another device by wire. The first wired communication module 119 may be a USB module capable of communicating through a USB port. The vehicle navigation apparatus 100 according to an embodiment of the present invention and the other embodiment may communicate with other devices through the first local area communication module 117 or the first wired communication module 119 as necessary. Furthermore, in the case of communicating with a plurality of devices, one may communicate with the first local area communication module 117 and the other may communicate with the first wired communication module 119.

The input unit 120 is a device that converts a physical input from the outside of the vehicle navigation apparatus 100 into a specific electric signal. The input unit 120 may include a user input module 121 and a first microphone module 123.

The user input module 121 is a key input device that a user can input through a push operation. The user input module 121 may be implemented as a navigation manipulation key (193 of FIG. 1) provided outside the housing (191 of FIG. 1) of the vehicle navigation apparatus 100.

The first microphone module 123 is a device for receiving a user's voice and sound generated in and out of the vehicle. The first microphone module 123 may be implemented as a navigation microphone 195 provided outside the housing (191 of FIG. 1) of the vehicle navigation apparatus 100.

The first sensing unit 130 is a device capable of detecting the current state of the vehicle navigation apparatus 100. The first sensing unit 130 may include a first motion sensing module 131 and an optical sensing module 133.

The first motion sensing module 131 may detect a motion in a three-dimensional space of the vehicle navigation apparatus 100. The first motion sensing module 131 may include a three-axis geomagnetic sensor and a three-axis acceleration sensor. The motion information obtained through the first motion sensing module 131 may be combined with the location information obtained through the location information module 111 to calculate a more accurate trajectory of the vehicle to which the vehicle navigation apparatus 100 is attached.

The light sensing module 133 is a device for measuring the ambient illuminance of the vehicle navigation apparatus 100. The brightness of the display unit 145 may be changed to correspond to the ambient brightness by using the illumination information obtained through the light sensing module 133.

The output unit 140 is a device in which the vehicle navigation apparatus 100 outputs information. The output unit 140 may include a display module 141 and an audio output module 143.

The display module 141 is a device that outputs information that can be visually recognized by the vehicle navigation apparatus 100. The display module 141 may be implemented as a display unit 145 of FIG. 1 provided on the front surface of the housing (191 of FIG. 1) of the vehicle navigation apparatus 100. Meanwhile, as described above, when the display module 141 is a touch screen, the display module 141 may simultaneously serve as the output unit 140 and the input unit 120.

The audio output module 143 is a device for outputting information that can be recognized acoustically by the vehicle navigation apparatus 100. The audio output module 143 may be embodied as a speaker that expresses sound to be informed to the user including the driver by the vehicle navigation apparatus 100.

The first storage unit 150 is an apparatus that stores information necessary for the operation of the vehicle navigation apparatus 100 and information generated by the operation. The first storage unit 150 may be a memory built in the vehicle navigation apparatus 100 or a removable memory. Information necessary for the operation of the vehicle navigation apparatus 100 may include an OS, a route search application, a map, and the like. In addition, the information generated by the operation of the vehicle navigation apparatus 100 may be searched route information, a received image, and the like.

The power supply unit 160 is a device for supplying power required for the operation of the vehicle navigation apparatus 100 or the operation of another device connected to the vehicle navigation apparatus 100. The power supply unit 160 may be a device that receives power from an external power source such as a battery or a vehicle built in the vehicle navigation apparatus 100. In addition, the power supply unit 160 may be implemented as the first wired communication module 119 or a device that is wirelessly supplied according to the form of receiving power.

The first controller 170 is a device that outputs a control signal for controlling various operations of the vehicle navigation apparatus 100. In addition, the first controller 170 may output a control signal for controlling another device connected to the vehicle navigation apparatus 100.

4 is a block diagram of the vehicle black box shown in FIG. 1.

As shown in the drawing, the vehicle black box 200 according to an embodiment of the present invention includes a second communication unit 210, an AV input unit 220, a user input unit 230, and a second sensing unit 240. And a second storage unit 250.

The second communication unit 210 is an apparatus capable of communicating with the first communication unit 110 or another device of the vehicle navigation apparatus 100 (FIG. 3). The second communication unit 210 may include a second location information module 211, a second wireless internet module 213, a second short range communication module 215, and a second wired communication module 217. . The second location information module 211 and the second wireless internet module 213 perform operations similar to those of the first location information module 111 of FIG. 3 and the first wireless internet module 113 of FIG. 3, respectively. The second local area communication module 213 may communicate with the first local area communication module 117 of FIG. 3, and the second wired communication module 215 may communicate with the first wired communication module 119.

The AV input unit 220 is a device capable of acquiring sound and an image. The AV input unit 220 may include a camera module 221 and a second microphone module 223.

The camera module 221 may acquire an image of inside and outside of the vehicle on which the vehicle black box 200 is mounted. As described above, the camera module 221 may be implemented as a black box camera 222 of FIG. 1.

The second microphone module 223 may acquire sound generated inside and outside the vehicle. The sound obtained through the second microphone module 223 may be used to control the operation of the vehicle black box 200. For example, when a sound stronger than usual is received through the second microphone module 223, the camera module 221 may acquire an image having a higher resolution. The second microphone module 223 may be implemented as a black box microphone 224.

The user input unit 230 is a device provided to allow a user to directly manipulate an operation of the vehicle black box 200. The user input unit 230 may be implemented as a push button (not shown) provided outside the vehicle black box 200. However, if the vehicle black box 200 is controlled by the control signal of the first control unit (170 of FIG. 3) of the vehicle navigation apparatus 100 (FIG. 3), the user input unit 230 may be connected to the vehicle black box 200. May be excluded.

The second sensing unit 240 is a device that can detect the current state of the vehicle black box 200. The second sensing unit 240 may include a second motion sensing module 241, and performs a similar operation to that of the first motion sensing module 131 of FIG. 3 except for the installed position. When the second sensing unit 240 is provided in the vehicle black box 200, the information related to the movement of the 3D space may not be received from the vehicle navigation apparatus 100.

The second storage unit 250 is a device that stores information necessary for the operation of the vehicle black box 200 and information generated by the operation. The information stored in the second storage unit 250 may be an image obtained through the camera module 221. The second storage unit 250 may be embedded in the vehicle black box 200 or may be a memory detachable from the vehicle black box 200.

The second control unit 270 is a device for outputting a control signal for controlling various operations of the vehicle black box 200. The second control unit 270 may be affected by the control signal of the first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3. That is, the second control unit 270 may be dependent on the first control unit 170 of FIG. 3.

5 is a configuration diagram of a communication network including the navigation system shown in FIG. 1.

As shown therein, the navigation system 10 according to an embodiment of the present invention may be connected to various communication networks and other electronic devices 61 to 64.

The navigation system 10 can calculate the current position using the radio wave signal received from the satellite 20. Each satellite 20 may transmit L band frequencies having different frequency bands. The navigation system 10 may calculate the current position based on the time it takes for the L-band frequency transmitted from each satellite 20 to reach the navigation system 10.

The navigation system 10 can wirelessly connect to the network 30 via the control station 40 (ACR), the base station 50, RAS, etc. via the first communication unit (110 in FIG. 3). When the navigation system 10 is connected to the network 30, the electronic device 61 and 62 connected to the network 30 may be indirectly connected to exchange information.

The navigation system 10 may connect to the network 30 indirectly through another device 63 having a communication function. For example, when a device capable of connecting to the network 30 is not provided in the navigation system 10, the first local area communication module 117 of FIG. 3 or the like communicates with another device 63 having a communication function. It means you can communicate.

6 to 8, an operation of mapping image data to position information according to an embodiment of the present invention will be described.

6 to 8 are flowcharts illustrating a process of mapping image data to position information according to an embodiment of the present invention, respectively.

The vehicle navigation apparatus 100 (in FIG. 3) receives image data obtained by photographing the inside and the outside of the vehicle from the vehicle black box (200 in FIG. 4), and stores the received image data in the first storage unit (150 in FIG. 3). do. The image data is mapped with location information including longitude information, latitude information, and the like.

The image data may be image data obtained through the vehicle black box 200 of FIG. 4 for a predetermined time. For example, it refers to video data having a predetermined playback time such as 1 minute, 5 minutes, and the like. In addition, the image data may be image data having a predetermined size. For example, the image data has a predetermined size, such as 1 MB (megabyte), 5 MB, and the like.

The vehicle black box (200 of FIG. 4) periodically transmits image data obtained by photographing the inside and the outside of the vehicle to the vehicle navigation (100 of FIG. 3), or at the request of the vehicle navigation (100 of FIG. 3). 100 in FIG. 3).

Referring to FIG. 6, a process of mapping image data to position information according to an embodiment of the present invention will be described.

The second communication unit 210 of FIG. 4 of the vehicle black box 200 of FIG. 4 transmits the image data obtained by photographing the inside and the outside of the vehicle to the vehicle navigation apparatus 100 (S411). Thereafter, the first communication unit (110 of FIG. 3) of the vehicle navigation apparatus 100 (FIG. 3) acquires vehicle position information (S413), and the first control unit (170 of FIG. 3) may store the vehicle black box (200 of FIG. 4). In operation S415, the image data received from FIG. 3 is mapped to the location information and stored in the first storage unit 150 (FIG. 3).

Meanwhile, although step S413 has been described as being performed after step S411, the present invention is not limited thereto, and step S413 may be performed before step S411 or may be performed simultaneously with step S411 according to an exemplary embodiment. .

A process of mapping image data to position information according to another embodiment of the present invention will be described with reference to FIG. 7.

The second communication unit 210 of FIG. 4 (200 of FIG. 4) acquires vehicle position information (S421), and transmits image data to which the position information is mapped to vehicle navigation (100 of FIG. 3). (S423). Subsequently, the first communication unit 110 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 receives image data from the vehicle black box 200 of FIG. 4, and the first control unit 170 of FIG. 3 receives the received image data. The data is stored in the first storage unit 150 of FIG. 3 (S425).

Referring to FIG. 8, a process of mapping image data to position information according to another embodiment of the present invention will be described.

The first communication unit 110 of FIG. 3 of the vehicle navigation apparatus 100 (FIG. 3) acquires vehicle position information (S431) and transmits the position information to the vehicle black box (200 of FIG. 4) (S433). Thereafter, the second communication unit 210 of FIG. 4 (200 of FIG. 4) receives the location information from the vehicle navigation (100 of FIG. 3) (S435), and the image data to which the location information is mapped is used for the vehicle. Transmission is made to the navigation apparatus (100 in FIG. 3) (S437). Subsequently, the first communication unit 110 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 receives image data from the vehicle black box 200 of FIG. 4, and the first control unit 170 of FIG. 3 receives the received image data. The data is stored in the first storage unit 150 of FIG. 3.

Next, an operation of mapping image data to position information according to an embodiment of the present invention will be described in detail.

The first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 may store the location information mapped to the image data in the first storage unit 150 of FIG. 3 as a separate file. That is, the file name of the location information may be the same as the file name of the image data, and the location information may be stored in the folder where the image data is stored. In this case, the location information includes time information and may be synchronized with the image data using the time information. For example, if the total reproduction time of the video data is 10 minutes, and is mapped to the A position five minutes before and to the B position after five minutes, the place information consists of the position information of "A position" and "B position". Each positional information is associated with time information of "0 minutes to 5 minutes" and "5 minutes to 10 minutes".

The first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 may map location information to an image frame of a predetermined image frame type among image frames in the image data. The image frame type may include an I (infra) frame, a P (predicted) frame, a B (bidirectional) frame, and the like. For example, location information is mapped to an I frame among image frames of the image data.

The first controller 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 may map location information to image data at predetermined time intervals. For example, location information is mapped to image data at predetermined intervals such as 1 minute and 5 minutes.

Meanwhile, although the above-described operation of the vehicle navigation apparatus 100 (FIG. 3) maps the position information to the image data has been described above, the operation of the vehicle black box 200 (FIG. 4) to map the position information onto the image data may be performed in the same manner. Can be.

Next, an operation of storing image data according to an exemplary embodiment of the present invention will be described in detail.

The first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 may classify and store image data according to an image data type. That is, the folder may be classified according to the image data type and the image data may be stored in the corresponding folder, or the image data may be stored by including the image data type in the file name. The image data type may be image data acquired according to a signal of a sensor mounted in a vehicle (hereinafter, referred to as "first image data type") and image data obtained by a user's operation (hereinafter referred to as "second image data type". &Quot; ", image data (hereinafter referred to as " third image data type ") obtained as the vehicle black box 200 (in FIG. 4) is operated without a signal from a sensor or a user's operation. That is, the first image data type (“E” shown in FIG. 12) is a signal of a sensor that detects an external shock applied to the vehicle, detects an overspeed, a rapid deceleration, a rapid acceleration, etc. of the vehicle, or detects external noise. According to the image data obtained by photographing the inside and outside of the vehicle. The second image data type (“M” illustrated in FIG. 12) refers to image data obtained by photographing the inside and the outside of the vehicle according to a photographing request of the user. The third image data type ("A" shown in FIG. 12) is obtained by photographing the inside and the outside of the vehicle in a state in which the vehicle black box (200 of FIG. 4) is normally operated without a signal from a sensor or a user's request for photographing. Refers to video data.

The first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 may classify and store image data according to location information. That is, folders may be classified according to location information, and image data may be stored in the folder.

Meanwhile, although the above-described operation of the vehicle navigation apparatus 100 (FIG. 3) storing the image data has been described above, the operation of storing the image data by the vehicle black box 200 (FIG. 4) may be similarly performed.

Next, an operation of searching for image data according to an embodiment of the present invention will be described with reference to FIGS. 9 through 12.

9 is a flowchart illustrating a process of searching image data according to an embodiment of the present invention, and FIG. 10 is a diagram illustrating an example of inputting input information according to an embodiment of the present invention. FIG. 12 is a diagram illustrating another example of inputting input information according to an embodiment of the present invention, and FIG. 12 is a diagram illustrating an example of a search result screen according to an embodiment of the present invention.

The user receives input information corresponding to the reference position through the input unit (120 of FIG. 3) of the vehicle navigation apparatus 100 (FIG. 3) (S510). That is, as shown in FIG. 10, the user may input place information, which is a reference position, in the search term input portion SW through the keyboard portion KI. The place information includes address information, place name information, business name information, point of interest (POI) information, and the like. Address information is an identification symbol given by a national or public agency to identify a place. The address information may be a full address, such as "31, 1-ga, Taepyeong-ro, Jung-gu, Seoul," or may be part of a full address, such as "1, Taepyeong-ro, 1-ga, Jung-gu, Seoul," or "Yeoksam-dong." The place name information is a name for identifying a village, a province, a mountain stream, an area, and the like, such as "Seorae Village". Trade name is a name used by merchants to identify themselves in business activities such as Lotteria, Starbucks, etc. POI information is a well-known place such as "Gwanghwamun Square", "City Hall Square", or "Gangnam Station", " The name of a subway station such as "Sadang Station", or a national institution or public institution such as "Seoul City Hall", "Jongno-gu Office", etc. Of course, designating a specific place such as "home", "company", etc. by the user as POI. In this case, when there are a plurality of places corresponding to the place information input from the user, the first controller (170 of FIG. 3) of the vehicle navigation apparatus 100 of FIG. 3 displays a plurality of place lists. 145), and the correct place can be input from the user.

 Meanwhile, as shown in FIG. 11, the user touches the reference position TP using the finger FG on the map output to the display unit 145 of FIG. Location information can be entered. In addition, the user points the reference position TP by using a direction key provided in the vehicle navigation (100 in FIG. 3), a remote control connected to the vehicle navigation (100 in FIG. 3), and the like. You can also enter.

The first controller 170 of FIG. 3 of the vehicle navigation apparatus 100 (100 of FIG. 3) obtains second location information from the map data using input information (S520). The map data stores not only map information but also place information and corresponding location information. Accordingly, location information corresponding to place information input from the user may be obtained. On the other hand, the map data also stores location information for each location in the map. Accordingly, the position information corresponding to the touch position information or the pointing position information input from the user can be obtained.

The first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 stores image data in which first location information within a predetermined distance is mapped based on the second location information. 150) (S530). That is, based on the second location information, the image data to which first location information included within a predetermined distance, such as a radius of 500m or 1km, is mapped is searched. For example, the distance between the first position information and the second position information mapped to the image data is calculated, and if the calculated distance is within a predetermined distance, the corresponding image data is added to the search result. Of course, the first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 may receive a distance from the user and search for image data based on the input distance. On the other hand, when the image data is stored in the vehicle black box (200 in FIG. 4), the first control unit (170 in FIG. 3) of the vehicle navigation (100 in FIG. 3) searches for the vehicle black box (200 in FIG. 4). A request may be made and a search result may be received from the vehicle black box (200 of FIG. 4).

At this time, when the image data is being reproduced, the first controller (170 of FIG. 3) of the vehicle navigation apparatus 100 (FIG. 3) may determine that the first data within a predetermined distance based on the second position information among the image frames in the image data being reproduced. Search for an image frame (partial image) to which location information is mapped.

Thereafter, the first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 outputs a search result to the display unit 145 of FIG. 1 (S540). As illustrated in FIG. 12, the search result screen displays a list of image data to which location information within a predetermined distance is mapped based on a reference position input by a user. Each item is composed of a video data file name portion FN, a video data type portion VT, and the like. The video data type portion VT indicates the type of video data. Accordingly, the user may know whether the image data is obtained according to a signal of a sensor mounted in the vehicle, whether the image data is obtained according to a user's photographing request, or while the vehicle black box 200 (in FIG. 4) is in operation. Can be. When the image data is selected by the user, the first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 outputs the currently selected image data to the display unit 145 of FIG. 1. In this case, the image data may be output in the form of picture in picture (PIP), navigation in picture (NIP), or the like.

On the other hand, when a search is performed during image data reproduction, the first control unit 170 of FIG. 3 of the vehicle navigation apparatus 100 of FIG. 3 may display a list of image frames (some images) instead of a list of image data on the search result screen. . In this case, time information of an image frame may be displayed in the image data file name portion FN. For example, time information such as "1 minute 10 seconds to 3 minutes 20 seconds" is displayed.

Meanwhile, the input screens shown in FIGS. 10 and 11 and the search result screen shown in FIG. 12 are just examples and may be configured in other forms.

As such, by searching for the image data in which the first location information within a predetermined distance is mapped based on the second location information obtained by using the input information input from the user, even if the correct location is not received from the user. Search for data or a corresponding video frame.

Next, a server connected to the navigation system according to an embodiment of the present invention will be described with reference to FIGS. 13 and 14.

FIG. 13 is a block diagram illustrating a server connected to a navigation system according to an embodiment of the present invention, and FIG. 14 is a block diagram showing the server shown in FIG. 13 in more detail.

The server 70 may be connected to the navigation system 10 and the user terminal 80 through the network 30.

The server 70 includes a third communication unit 71, a third storage unit 73, and a third control unit 71, stores image data received from the navigation system 10, and stores the user terminal 80. Various data, information, and the like may be transmitted to the user terminal 80 upon request of the user.

The third storage unit 73 is a device that stores information necessary for the operation of the server 70 and information generated by the operation. The third storage unit 73 may be a memory built in the server 70 or a removable memory. Of course, the third storage unit 73 may be an independent storage device connected to the server 70 through the network 30. Information necessary for the operation of the server 70 includes an OS, map data, and the like. As described above, not only the map information but also the place information and the location information corresponding thereto are stored in the map data. The map data also stores location information for each location in the map. The information generated by the operation of the server 70 may be route guidance information, accident risk area information, and the like.

The third communication unit 71 receives the image data to which the first location information is mapped from the navigation system 10 through the network 30. At this time, the vehicle navigation (100 in FIG. 1) or the vehicle black box (200 in FIG. 1) transmits the image data to the server 70, or the vehicle black box (200 in FIG. 1) is the vehicle navigation (100 in FIG. 1). Image data may be transmitted to the server 70 through the server 70. In addition, the navigation system 10 may transmit identification information identifying the navigation system 10 to the server 70 together with the image data. The third communication unit 71 transmits / receives various data, information, and the like with the user terminal 80 through the network 30.

The third control unit 75 stores the image data received from the navigation system 10 through the third communication unit 71 in the third storage unit 73. In this case, the third controller 75 may classify and store the image data according to the image data type, location information, navigation system identification information, and the like.

The third controller 75 obtains the second location information from the map data stored in the third storage unit 73 using the input information received from the user terminal 80 through the third communication unit 71. As described above, the input information refers to place information, touch location information, pointing location information, and the like. The user inputs place information through a search word input screen output on the user terminal 80 or touches a map on the map output on the user terminal 80 with a finger or the like to input touch location information serving as a reference position when searching. In addition, the user may input pointing location information having a reference position at the time of searching by pointing through a keyboard (not shown), a mouse (not shown), etc. connected to the user terminal 80. As described above, not only the map information but also the location information and the location information corresponding thereto are stored in the map data, so that the location information corresponding to the place information can be obtained. In addition, the map data also stores location information for each location in the map, so that location information corresponding to touch location information or pointing location information can be obtained.

The third controller 75 searches the third storage unit 73 for image data to which first location information within a predetermined distance is mapped based on the second location information. As described above, the third controller 75 searches for image data to which first location information included within a predetermined distance, such as a radius of 500m or 1km, is mapped based on the second location information. Of course, the third controller 75 may search image data based on the distance information received from the user terminal 80. The distance information refers to the distance input from the user. The third control unit 75 transmits the obtained search result to the user terminal 80 through the third communication unit 71.

In this case, when the image data is being reproduced, the third controller 75 may be an image frame (part image) to which first position information within a predetermined distance is mapped based on the second position information among the image frames in the image data being reproduced. Search for.

The third controller 75 obtains route guidance information to a predetermined place by using image data stored in the third storage 73. Route guidance information refers to a video composed of a route from a departure point to a specific place. For example, location information corresponding to a plurality of places included in a path from a departure point to a destination is obtained, and image data to which the obtained plurality of location information is mapped are searched. Route guidance information from the starting point to the destination may be obtained using the retrieved plurality of image data. In this case, the predetermined place may be obtained using destination information received from the user terminal 80 through the third communication unit 71. The destination information refers to the destination of the route that the user wants to check. Of course, the source information may also be received from the user terminal 80 and may be obtained as the source of the route using the received source information. The third controller 75 transmits the corresponding route guide information to the user terminal 80 through the third communication unit 71 at the request of the user terminal 80.

The third controller 75 obtains the accident danger zone information using the image data stored in the third storage 73. Accident danger zone information says video of accident danger zone. For example, location information corresponding to an accident danger area provided by a national agency, a public agency, or a private organization such as the National Police Agency is obtained, and image data to which the acquired location information is mapped is searched. The retrieved image data may be used to obtain an image of an accident danger area. The third controller 75 transmits corresponding accident danger zone information to the user terminal 80 through the third communication unit 71 at the request of the user terminal 80.

In this way, new and various services can be provided to the user by providing the user with route guidance information, accident risk area information, etc. acquired using the image data to which the first location information is mapped.

The user terminal 80 is a communication terminal device used by a user to use various services provided by the server 70. The user terminal 80 connects to the server 70 through a network 30 and transmits and receives various data, information, and the like. A user may access various types of services by accessing the server 70 using a web browser such as an internet explorer or an application program installed in the user terminal 80. The user terminal 80 may be a desktop computer, as well as a laptop computer, a workstation, a palmtop computer, an ultra mobile personal computer, a tablet PC, a personal digital assistant, a web pad, a portable computer. It can be made of a terminal having a computing capability by mounting a microprocessor such as a telephone and the like.

Next, an operation of searching for image data according to another embodiment of the present invention will be described with reference to FIG. 15.

15 is a flowchart illustrating a process of searching image data according to another embodiment of the present invention.

The navigation system 10 of FIG. 13 transmits the image data to which the first location information is mapped to the server 70 of FIG. 13 through the network 30 of FIG. 13 (S610). Thereafter, the server 70 in FIG. 13 stores the image data received from the navigation system 10 (S620).

Thereafter, the user terminal 80 of FIG. 13 receives input information corresponding to the reference position from the user (S630). As described above, the input information refers to place information, touch location information, pointing location information, and the like. The user terminal 80 of FIG. 13 transmits input information input by the user to the server 70 of FIG. 13 through the network 30 of FIG. 13 (S640).

Subsequently, the server 70 of FIG. 13 obtains second location information from map data using input information received from the user terminal 80 of FIG. 13 (S650). The server 70 of FIG. 13 searches for image data to which first location information within a predetermined distance is mapped based on the second location information (S660). As described above, the server 70 of FIG. 13 searches image data mapped with first location information included within a predetermined distance, such as a radius of 500m and 1km, based on the second location information. Of course, the server 70 of FIG. 13 may search image data based on the distance information received from the user terminal 80.

In this case, when the image data is being reproduced, the server (70 of FIG. 13) may be configured to display an image frame (part of the image) in which the first position information within a predetermined distance is mapped based on the second position information among the image frames in the image data being reproduced. ).

Thereafter, the server 70 of FIG. 13 transmits the search result to the user terminal 80 of FIG. 13 through the network 30 of FIG. 13 (S670). The user terminal 80 of FIG. 13 outputs a search result received from the server 70 of FIG. 13 to the screen (S680).

Meanwhile, although steps S610 and S620 are described as being performed first, the present invention is not limited thereto, and steps S610 and S620 may be performed before performing step S660.

As such, by searching for the image data in which the first location information within a predetermined distance is mapped based on the second location information obtained by using the input information input from the user, even if the correct location is not received from the user. You can search for data or a corresponding video frame.

Embodiments of the invention include a computer readable medium containing program instructions for performing various computer-implemented operations. This medium records a program for executing the control method of the vehicle navigation described so far. The media may include, alone or in combination with the program instructions, data files, data structures, and the like. Examples of such media include magnetic media such as hard disks, floppy disks and magnetic tapes, optical recording media such as CDs and DVDs, and ROMs. Hardware devices configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine code, such as produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.

10: navigation system 20: satellites
30 network 40 control station
50: base station 70: server
80: user terminal 100: vehicle navigation
120: input unit 130: first sensing unit
140: output unit 150: first storage unit
160: power supply unit 170: first control unit
200: vehicle black box 210: second communication unit
220: AV input unit 230: user input unit
240: second sensing unit 260: second storage unit
300: communication cable

Claims (1)

A display unit;
An input unit configured to receive input information corresponding to a reference position;
A storage unit which stores image data and map data mapped with the first location information;
A communication unit configured to receive the image data from a vehicle black box mounted on a vehicle; And
Acquiring second location information from the map data using the input information, and searching the storage unit for image data to which first location information within a predetermined distance is mapped based on the second location information; A control unit outputting a search result to the display unit
Vehicle navigation comprising a.

Images