KR101687656B1 - Method and system for controlling blackbox using mobile - Google Patents

Method and system for controlling blackbox using mobile Download PDF

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Publication number
KR101687656B1
KR101687656B1 KR1020150088571A KR20150088571A KR101687656B1 KR 101687656 B1 KR101687656 B1 KR 101687656B1 KR 1020150088571 A KR1020150088571 A KR 1020150088571A KR 20150088571 A KR20150088571 A KR 20150088571A KR 101687656 B1 KR101687656 B1 KR 101687656B1
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South Korea
Prior art keywords
information
terminal
image data
driving information
registered
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KR1020150088571A
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Korean (ko)
Inventor
박소영
지정희
박현선
김지은
도선영
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건국대학교 산학협력단
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D41/00—Fittings for identifying vehicles in case of collision; Fittings for marking or recording collision areas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/22—Platooning, i.e. convoy of communicating vehicles

Abstract

The present invention relates to a vehicle black box system using a terminal and a method of operating the same. The present invention detects the occurrence of an event based on at least one among vehicle information received during the running of the vehicle and a touch operation and a voice command by a user and transmits driving information collected at the time of detection of the event occurrence to a pre-registered group member terminal, thereby enabling group members to share the traffic situation in real time during driving and preventing waste of a storage medium caused by storage of unnecessary driving information. In addition, the navigation information collected at the time of occurrence of the event is divided into predetermined numbers of pixels, and then divided into a center area, a surrounding area, and a background area to be compressed at a predetermined compression rate for each separated area to transmit the optimized driving information to a pre-assigned group member. Therefore, it is possible to transmit a traffic accident situation to a group member terminal registered with high resolution and transmission rate at the time of occurrence of the event and to accurately and quickly analyze the occurrence of a traffic accident by the registered group member. Also, it is possible to prevent the damage to and manipulation of the driving information due to the abnormal exposure of the driving information by allowing the collected driving information to be played only by the registered group member.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle black box system using a terminal,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle black box system using a terminal and more particularly to a vehicle black box system using a terminal, The control unit detects the occurrence of an event based on at least one of the group members, compresses the driving information received at the time of occurrence of the event, and transmits the information to a plurality of registered group member terminals. The present invention relates to a technique of sharing a traffic situation in real time.

A typical automobile black box is connected to a camera installed in the front and rear of the vehicle and various sensors inside the automobile, thereby recording the driving state of the vehicle and the state of the accident.

Recently, black boxed car images are increasingly used as evidence for traffic accidents. The black box image information records all the traffic situations that occurred while driving the vehicle, so that more accurate traffic situation analysis is possible. In addition, as more and more families own vehicles, many vehicles travel together, and many buses travel to the same destination on a school trip or group trip. In this situation, if the traffic situation of each other is shared, not only the position of the vehicle but also the situation around the vehicle can be known in real time.

Such conventional black box image related research is focused on developing an integrated management system capable of collecting and retrieving black box image information of a vehicle using a mobile cloud or developing an application for a terminal performing a black box function for a vehicle have.

Regarding the black box device for a vehicle using such a smart phone, Korean Patent Laid-Open No. 2011-0131161 (a black box device for a vehicle using a smart phone equipped with a camera) and many other prior patents are disclosed.

As shown in FIG. 1, the prior art patent discloses a technique in which driving information obtained by using a smart phone equipped with a camera is transmitted to a remote server through a Wi-Fi and mobile communication network connection so that the smart phone is damaged And it is disclosed that the cause of an accident can be confirmed by reproducing driving information stored in a remote server.

However, as all the collected driving information is transmitted to the remote server, the capacity of the storage medium storing the driving information increases, and there is a possibility that the driving information is exposed to the outside through the remote server. .

SUMMARY OF THE INVENTION It is an object of the present invention to provide an information processing apparatus and method for detecting whether or not an event has occurred based on at least one of vehicle information collected during running of a vehicle and a touch operation and a voice command by a user, And to share the traffic situation among the group members in real time as they are transmitted to the group terminal.

Another object of the present invention is to reduce the capacity of a storage medium for storing driving information in a terminal in sharing image-based traffic information acquired through a black box.

It is another object of the present invention to improve the resolution and the transmission rate of the driving information collected through the camera at the time of occurrence of the event, thereby analyzing the traffic situation quickly and accurately.

It is another object of the present invention to fundamentally eliminate the possibility of damage or manipulation of driving information due to unusual exposure of driving information by storing driving information collected by a plurality of registered group members.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described, a car black box system using a terminal according to the present invention includes a CarTalk app for providing a black box service, It registers the group circle after registering through the web page, detects the occurrence of the event by vehicle information collected during black box mode, touch operation by user and voice command, A terminal for compressing and delivering information; A cargo server for storing the driving information received through the terminal in correspondence with the registered member information and delivering the compressed driving information to the pre-registered group member; And a plurality of group source terminals registered at the time of driving the caroque app and displaying and storing the driving information received from the cargo server on the screen.

Preferably, the vehicle information includes at least one of a current time during travel and a vehicle speed including a longitude and latitude collected from a Global Positioning System (GPS) sensor and a vehicle speed derived from a vehicle acceleration obtained from the vehicle acceleration sensor Wherein the driving information is static image data collected by the camera at the time of occurrence of the event and the terminal receives at least one of the metadata received by the carousel application being driven and the touch operation by the user and the voice command, It is possible to detect the occurrence of an event when the event occurs, compress the travel information collected through the camera at the time of occurrence of the event, and transmit the information to the cargo server.

The terminal registers the group source based on the previously registered contact information, groups a predetermined number of group sources, registers the group source through the group name, and transmits the registration to the catalog server. The terminal divides the static image data received at the time of occurrence of the event into a predetermined number of pixel units, divides the received static image data into a central region, a peripheral region, and a background region, and calculates a predetermined compression ratio To compress the static image data.

Preferably, the terminal is equipped with a carock app for providing a black box service, and the driving information collected through the camera and the microphone by the carousel application is stored in a preset resolution, a recording image storage time, Capacity, and presence / absence of voice recording; A vehicle speed derivation unit for deriving at least one of a vehicle speed based on the current time of the traveling vehicle and the vehicle acceleration including the position of the vehicle including the longitude and latitude collected from the Global Positioning System (GPS) sensor and the vehicle acceleration obtained from the acceleration sensor; An event occurrence detecting unit for detecting occurrence of an event by at least one of a derived vehicle speed, a touch operation by a user, and a voice command; A driving information processing unit for compressing the driving information collected through the camera at the time of detecting the occurrence of the event in the form of static image data and transmitting the compressed driving information; And a communication unit for transmitting the compressed static image data to the cargo server through a communication network.

The catalog server receives the group origin or group name registered by the terminal and stores it in association with the registered member information and transmits the compressed static image data to a plurality of registered group origin terminals .

Preferably, the group source terminal is configured to display the received driving information, the member information of the terminal, the location information of the terminal converted into the map data type, and the reception time information for a predetermined period of time, .

The method for operating a vehicle black box using the terminal of the present invention based on the system described above is a method for operating an automobile black box using the terminal according to at least one of the above- (A) detecting whether an occurrence of an event is detected, and obtaining driving information received via a camera at an event detection time; Dividing the obtained driving information into a predetermined number of pixel units, dividing the obtained driving information into a central area, a peripheral area, and a background area, and compressing the divided areas by differentially applying a predetermined compression ratio for each area; And (c) transferring the compressed image data to the catalog server.

(D) transmitting the static image data received from the catalog server, the image information including the terminal location information and the terminal member information to a plurality of registered group source terminals, (E) displaying the received image information for a predetermined period of time and storing the image information.

According to the present invention, it is possible to detect whether or not an event has occurred based on at least one of vehicle information received while the vehicle is running, a touch operation by the user, and a voice command, It is possible to share the traffic situation with the group members in real time while traveling to the original terminal, and it is possible to prevent waste of the storage medium storing unnecessary driving information.

According to the present invention, the driving information collected at the time of event occurrence is divided into a predetermined number of pixel units, and then divided into a center area, a surrounding area, and a background area, and compressed to a predetermined compression ratio It is possible to transmit the traffic accident occurrence status to the group member terminal registered with a clear resolution and transmission rate at the time of occurrence of the event by transmitting the running service information to the group member terminal previously registered, There is an effect that can be analyzed.

According to the present invention, since the driving information collected only by the registered group member is reproduced, it is possible to prevent the damage and manipulation of the driving information due to the abnormal exposure of the driving information.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further understand the technical idea of the invention. And should not be construed as limiting.
1 is a view illustrating a configuration of a conventional black box system for a vehicle using a smart phone.
2 is a block diagram illustrating a vehicle black box system using a terminal according to the present invention.
3 is a view illustrating a detailed configuration of a vehicle black box system using a terminal according to the present invention.
FIG. 4 is a view showing a screen for driving a car Talk app in a black box system for a vehicle using a terminal according to the present invention.
5 is a view illustrating a black box mode driving of a vehicle black box system using a terminal according to the present invention.
FIG. 6 is a view illustrating a screen at the time of occurrence of an event in a vehicle black box system using a terminal according to the present invention.
FIG. 7 is a diagram illustrating a process of compressing an image collected at the time of occurrence of an event in a vehicle black box system using the terminal according to the present invention.
8 is a diagram illustrating a screen of a group source terminal of a black box system for a vehicle using the terminal according to the present invention.
9 is a flowchart illustrating a black box operation procedure for a vehicle using a terminal according to the present invention.

Specific features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, terms and words used in the present specification and claims are to be interpreted in accordance with the technical idea of the present invention based on the principle that the inventor can properly define the concept of the term in order to explain his invention in the best way. It should be interpreted in terms of meaning and concept. It is to be noted that the detailed description of known functions and constructions related to the present invention is omitted when it is determined that the gist of the present invention may be unnecessarily blurred.

2, a vehicle black box system using a terminal according to the present invention includes a terminal 10, a cargo server 20, and a plurality of group source terminals 30. [

Hereinafter, it is preferable to understand that the terminal 10 according to the present invention is an apparatus that includes an application that carries a carock app that provides a black box service and transmits the travel information collected through the camera.

The terminal 10 includes a memory means such as a mobile communication terminal, a notebook computer, a workstation, a palmtop computer, a personal digital assistant (PDA), a web pad, and the like, And the like.

Data transmission / reception between the terminal 10 and the cargo server 20 is performed through a wireless communication network of TCP (Transmission Control Protocol). Here, the wireless communication network according to the present invention is not limited to 3G, 4G, 5G, WiFi, or WIBRO, but is preferably understood as a network capable of transmitting and receiving files between the terminal 10 and the cargo server 20.

FIG. 3 shows a detailed configuration of the terminal shown in FIG. 2. Referring to FIG. 3, a detailed configuration of a vehicle black box system using a terminal according to the present invention will be described with reference to FIG.

First, the terminal 10 registers a group circle after membership through a web page on the Internet provided from the catalog server 20. The group circle is registered in association with a telephone number previously registered in the terminal, and can be registered through a group name after grouping a plurality of group circles. The personal information of the registered group member terminal is transferred to the catalog server 20 via the communication network, and the catalog server 20 stores the personal information of the group member terminal in association with the registered member information. Personal information of the group source terminal may be set to a terminal number, but is not limited thereto. FIG. 4 is an example of a screen showing a member registration and a group member registration when driving a caroque app. Referring to FIG. 4, a group circle is registered after member registration by driving a caroque app.

Such a terminal 10 is equipped with a carock app for providing a black box service, a black box for processing and transmitting driving information collected through a camera (CAM) and a microphone (MIC) Based on at least one of the position information of the vehicle including the current time of the traveling vehicle and the longitude and latitude collected from the GPS (Global Positioning System) sensor 12 and the acceleration information collected through the acceleration sensor, A vehicle speed deriving unit 14 for deriving a vehicle speed, an event occurrence sensing unit 16 for sensing whether an event has occurred based on the derived vehicle speed, at least one of a touch operation and a voice command by the user, A driving information processor 17 for compressing driving information collected through a camera (CAM) in the form of static image data according to a user's touch operation or a voice command at a time, And a communication unit 18 for transmitting the compressed static image data to the cargo server 20 through a communication network.

5, the terminal 10 collects and stores driving information received through a camera and a microphone in a black box mode of the terminal. In the black box mode, as shown in FIG. 5, Information on the driving information based on the preset resolution, the recording image storage time, the total storage capacity of the recorded image, and the presence or absence of the voice recording. Here, a series of processes for collecting, processing, and storing driving information is the same as or similar to a general process of processing and storing a driving road including images and sounds collected through a camera through a black box device.

On the other hand, the vehicle speed derivation unit 14 compares the current position of the vehicle with the current position of the vehicle including the longitude and latitude of the running vehicle obtained from the GPS (Global Positioning System) sensor 12 and the acceleration sensor 13 , And the derived vehicle speed is stored in a predetermined cycle determined as meta data. At this time, if the GPS reception is impossible, the vehicle speed is derived using the acceleration sensor mounted on the terminal.

The event occurrence detection unit 16 detects whether an event is generated based on at least one of a vehicle speed of the vehicle speed derivation unit 14, a touch operation by a user, and a voice command. The occurrence of an event refers to an unexpected situation including sudden braking sensed from a vehicle speed, a touch operation of a screen reflecting a user's request, a voice command, and the like. In the embodiment of the present invention, for the sake of convenience of explanation, an unexpected situation of sudden braking of the vehicle is described as an example of occurrence of an event. However, the lane change and the preceding vehicle can be changed through the meta data of various sensors such as a G sensor provided at a predetermined position of the vehicle body The occurrence of an abnormal impact such as a collision of the vehicle may be detected as an event occurrence.

At this time, the driving information received through the camera 11 at the time of occurrence of the event is transmitted to the driving information processing unit 17. The driving information processing unit 17 divides the driving information at the time of occurrence of the event into a predetermined number of pixel units, The area, the surrounding area, and the background area are separated, and the driving information is compressed to a predetermined compression ratio for each separated area. Here, the driving information is static image data for each frame received through an event occurrence point-in-time camera, and the compression rate is set to a predetermined table value in consideration of the resolution and the transmission rate.

FIG. 6 is a diagram illustrating an area separated into a center area, a surrounding area, and a background area by dividing the frame image data received through the camera into a predetermined number of pixels, FIG. 5 is a view .

Referring to FIG. 6, the image data of the center area on the screen is the area showing the most important situation in front of the vehicle, and has the maximum resolution by minimizing the compression rate. The image data of the peripheral area has a resolution enough to recognize the unexpected situation by applying a compression rate slightly higher than the compression rate of the central area. On the other hand, the image data of the background area has the minimum resolution by applying the largest compression rate to the area including the surrounding environment and the background which are not related to the unexpected situation.

7, the process of compressing the driving information in the driving information processing unit 17 includes a process of compressing the driving information of the driving information processing unit 17, Converts the image data of the domain into a frequency domain through discrete cosine transform (DCT), compresses the compressed image data based on the predetermined table value, and encodes the quantized image data based on the Hoffman table value . The encoded image data is transmitted to the cargo server 20 through the communication unit 18.

The cargo server 20 stores the compressed video data received through the communication unit 18 in a memory of a predetermined area corresponding to the subscription member information, and the video data is multicast Transmission method. At this time, the group source terminal is displayed on the screen as shown in Fig.

8 shows an example of a screen of the group source terminal 30. Referring to Fig. 8, the group source terminal 30 displays the image of the received travel information, the reception time, And terminal information, and stores the captured image information in a predetermined area of the memory after screen capturing using a screen capture applet based on a cato app which is driven by the displayed image information.

FIG. 9 is a flowchart illustrating an operation procedure of a vehicle black box system using the terminal shown in FIG. 2. Referring to FIG. 9, a black box process using a terminal according to another embodiment of the present invention will be described.

First, the terminal registers the group circle after the member registration by the carousel application being driven and then executes the black box mode to receive and display driving information, which is traveling road condition information occasionally made through the camera and the microphone (steps S1 and S2) .

Then, the terminal detects whether an event has occurred based on at least one of an unexpected situation such as sudden braking, a touch operation by a user, and a voice command on the basis of the derived vehicle speed derived through at least one of the GPS sensor and the acceleration sensor S3, S4).

When the occurrence of an event is detected in step S4, the driving information received through the camera is divided into a predetermined number of pixels, divided into a center area, a peripheral area, and a background area, and then a predetermined compression ratio And transmits the compressed static image data to the cargo server 20 (S5, S6).

The cargo server 20 stores the received static image data corresponding to the registered member information and transmits the static image data to the registered group original terminal 30 (S7).

The group source terminal 30 displays at least one of the static image data, the reception time, the current location of the vehicle processed with the map data, and the terminal information, and extracts the center area and the surrounding area from the displayed image data through screen capture Is stored in a predetermined area of the memory (S8, S9).

Accordingly, by detecting the occurrence of an event on the basis of the vehicle information received while the vehicle is running, the touch operation by the user, and the voice command, and transmitting the operation information collected at the time of event occurrence detection to the previously registered group member terminal, It is possible to share the situation, and waste of the storage medium storing the unnecessary driving information can be prevented.

In addition, the driving information collected at the time of occurrence of the event is divided into a predetermined number of pixels, and then divided into a center area, a surrounding area, and a background area, compressed at a predetermined compression ratio for each area, By transmitting to the designated group member, it is possible to transmit a traffic accident occurrence situation at the time of occurrence of the event to the group member terminal registered with a clear resolution and transmission rate, and to accurately and quickly analyze the traffic accident occurrence situation by the registered group member, It is possible to prevent damage and manipulation of the driving information due to abnormal exposure of the driving information by regenerating the driving information collected only by the registered group member.

The term " module " used in this embodiment means a hardware component such as software, FPGA or ASIC, and the module performs certain functions. However, a module is not limited to software or hardware. A module may be configured to reside on an addressable storage medium and configured to play back one or more processors. Thus, by way of example, a module may include components such as software components, object-oriented software components, class components and task components, and processes, functions, attributes, procedures, Microcode, circuitry, data, databases, data structures, tables, arrays, and variables, as will be appreciated by those skilled in the art. The functionality provided within the components and modules may be combined into a smaller number of components and modules or further separated into additional components and modules. In addition, components and modules may be implemented to play one or more CPUs in the device.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be appreciated by those skilled in the art that numerous changes and modifications may be made without departing from the invention. And all such modifications and changes as fall within the scope of the present invention are therefore to be regarded as being within the scope of the present invention.

The control unit detects whether an event is generated based on at least one of the vehicle information received during the running of the vehicle, the touch operation by the user, and the voice command, and transmits the collected driving information to the pre- It is possible to prevent the waste of the storage medium storing the unnecessary driving information and to divide the driving information collected at the time of occurrence of the event into a predetermined number of pixels By transmitting the optimized driving information to the pre-designated group members by compressing the center area, the surrounding area, and the background area into a predetermined compression ratio for each area separated and separated, the traffic accident occurrence situation at the time of occurrence of the event is registered with a clear resolution and transmission rate Group terminal, and the group member of the group can transmit the traffic accident occurrence situation A black box system for a vehicle using a terminal capable of accurately and quickly analyzing and preventing driving information from being damaged and manipulated due to abnormal exposure of driving information by reproducing driving information collected only by a registered group member, It is possible to make a great progress in terms of accuracy and reliability of operation of the mobile terminal and further improve the performance efficiency and it is possible that the terminal to be applied or the operation of the terminal to be applied is sufficient, Invention.

Claims (12)

A CarTalk app for providing a black box service is loaded, a group circle is registered based on contact information previously registered after membership registration through a web page received by driving the cato app, and a predetermined number of groups Grouping the circles, registering them through the group name, detecting whether an event has occurred by at least one of the vehicle information derived during the black box mode, the touch operation by the user, and the voice command, A terminal for processing the driving information after processing based on a predetermined resolution, a recording image storage time, a total storage capacity of the recorded image, and a voice recording presence / absence;
A cargo server for storing the driving information received through the terminal in correspondence with the registered member information and delivering the compressed driving information to the pre-registered group member; And
The video information including the received static video data of the driving information received from the carousel server, the member information of the terminal, the terminal position information in the form of map data, and the reception time information, And a plurality of group source terminals for extracting and storing the image information through screen capturing.
delete delete The method of claim 1,
Detecting whether or not an event has occurred when at least one of the metadata received by the carousel application being driven and the touch operation by the user and the voice command is inputted and displaying the driving information collected through the camera at the time of occurrence of the event, The video recording time, the recording time of the recorded video, the total storage capacity of the recorded video, and the presence or absence of voice recording, and then transmits the processed data to the cargo server.
delete The method of claim 1,
The static image data received at the time of occurrence of the event is divided into a predetermined number of pixels, and then divided into a center region, a peripheral region, and a background region,
The image data of the time domain for each of the regions divided into the center region, the peripheral region, and the background region is converted into a frequency domain through discrete cosine transform (DCT), and the compressed image data is converted into a predetermined table And compresses the quantized image data by applying different compression ratios to the static image data encoded based on the Hoffman table value in consideration of the resolution and the transmission rate for each separate area. Car black box system. The method of claim 1,
It is equipped with a karaoke application for providing black box service, and the driving information collected through the camera and microphone by the car karaoke application is stored in a predetermined resolution, the recording image storage time, the total storage capacity of the recorded image, A black box part for storing the processed data;
A vehicle speed deriving unit for deriving a vehicle speed based on at least one of vehicle position information including the current time during traveling and the vehicle latitude and longitude obtained from the GPS sensor and acceleration information collected by the acceleration sensor;
An event occurrence detection unit for detecting whether an event is generated from at least one of a vehicle speed, a touch operation by a user, and a voice command;
The image data of the time domain for each area divided into the center area, the peripheral area, and the background area is divided into a plurality of pixel data, Transforms the compressed image data into a frequency domain through DCT (discrete cosine transform), quantizes the compressed image data based on the predetermined table value, and compresses the quantized image data into static image data encoded based on the Hoffman table value A driving information processor for transmitting the driving information; And
And transmitting the compressed static image data to the cargo server through a communication network. The method according to claim 1,
A group source or group name registered on the basis of the contact information previously registered by the terminal, stores the group source or group name corresponding to the registered member information, and transmits the compressed static image data to a plurality of registered group source terminals A black box system for a vehicle using a terminal. The apparatus of claim 1,
Displays the received driving information, the member information of the terminal, the position information of the terminal converted into the map data form and the reception time information for a predetermined time, extracts the displayed image information through screen capture, The black box system comprising: The control unit detects whether an event has occurred based on at least one of vehicle information received through a terminal equipped with a caralk app, a touch operation by a user, and a voice command, and detects driving information received through the camera at a time of event detection, (A) processing based on the recorded image storage time, the total storage capacity of the recorded image, and the presence or absence of the voice recording;
The acquired driving information is divided into a central area, a peripheral area, and a background area by dividing the obtained driving information into a predetermined number of pixel units, and then the image data of the time domain for each area divided into the center area, the surrounding area, and the background area is subjected to discrete cosine transform Transforms the compressed image data into a frequency domain through DCT (discrete cosine transform), quantizes the compressed image data based on the predetermined table value, encodes the quantized image data based on the Hoffman table value, (B) compressing a predetermined compression rate for each region by applying differentiations;
And transmitting the compressed static image data to the cargo server through a touch operation and a voice command of the terminal (c). 11. The method of claim 10, wherein after step (c)
(D) receiving the registered group source or group name based on the pre-registered contact information in the catalog server, storing the group source or group name corresponding to the registered member information, and transmitting the compressed static image data to a plurality of registered group source terminals, The method of claim 1, further comprising the steps of: 12. The method of claim 11, wherein after step (d)
Displays the static image data received from the group source terminal, the member information of the terminal, the terminal location information of the map data type, and the reception time information for a predetermined time, extracts the image information through the screen capture Further comprising the step of: (e) storing the received information.


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