Nothing Special   »   [go: up one dir, main page]

KR20170110426A - Integrated satellite information service system and service method using the system - Google Patents

Integrated satellite information service system and service method using the system Download PDF

Info

Publication number
KR20170110426A
KR20170110426A KR1020160034794A KR20160034794A KR20170110426A KR 20170110426 A KR20170110426 A KR 20170110426A KR 1020160034794 A KR1020160034794 A KR 1020160034794A KR 20160034794 A KR20160034794 A KR 20160034794A KR 20170110426 A KR20170110426 A KR 20170110426A
Authority
KR
South Korea
Prior art keywords
satellite information
satellite
unit
information
providing
Prior art date
Application number
KR1020160034794A
Other languages
Korean (ko)
Inventor
채태병
전갑호
김민아
전정남
송정헌
김의찬
천용식
Original Assignee
한국항공우주연구원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국항공우주연구원 filed Critical 한국항공우주연구원
Priority to KR1020160034794A priority Critical patent/KR20170110426A/en
Publication of KR20170110426A publication Critical patent/KR20170110426A/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2457—Query processing with adaptation to user needs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/25—Integrating or interfacing systems involving database management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The present invention relates to a satellite information integration support system and method for supporting satellite information integration, and a satellite information providing system for providing satellite information in response to a user request, the system comprising: An interface unit, and an integrated satellite information providing unit for collecting and managing the respective satellite information from a plurality of satellites, providing the satellite information according to the user request, and the satellite information providing unit connected between the user interface unit and the satellite information providing unit And a satellite information utilization unit for processing and utilizing the satellite information according to the user request and the utilization information.

Description

TECHNICAL FIELD [0001] The present invention relates to an integrated satellite information providing system,

The present invention relates to a combined satellite information providing system and a method for providing integrated satellite information using the same.

Since the launch of the world's first satellite in 1957, satellites have been used extensively in various fields such as security, industry, economy and culture for about 60 years.

Such satellites can be used in various fields such as broadcasting and communications, earth observation, meteorological observations, ocean observation, navigation, as well as scientific fields such as space environment measurement, solar system and deep space observation, It has become a necessary skill to operate.

Developed countries that already have several satellites are constantly developing high-performance large-earth observation satellites, such as increasing the resolution of satellite cameras and mobility of satellites in order to enhance observation capabilities. The emerging economies, which are just beginning to develop in the space industry, are increasingly developing small and medium-resolution satellites that are relatively inexpensive to develop.

In this way, it is necessary to manage the satellite which is developed and launched with great cost and time, more efficiently, and also it is necessary to create the economic profitability as much as possible. However, in the conventional satellite operation, the user service is satisfactory level And thus the complaints of the users of satellite information have remained.

In particular, the concept of a search system for using satellite information has been developed and operated only for each individual satellite, and when considering the satellite information generated from various satellites, the user separately accesses each individual satellite, There is a problem that information needs to be retrieved.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and an object of the present invention is to provide an integrated management of geostationary wide area observation image information such as high-resolution satellite information such as multipurpose practical satellites, And a method of providing integrated satellite information using the integrated satellite information providing system.

It is another object of the present invention to provide an integrated satellite information providing system and a satellite information providing system which can improve user's demand and information utilization by providing a plurality of satellite information having various characteristics provided by various satellites in an easy, And to provide a method for providing integrated satellite information using the same.

According to an aspect of the present invention, there is provided a combined satellite information providing system for providing satellite information in response to a user request, the system comprising: A user interface unit for receiving satellite information, a user interface unit for collecting and managing each satellite information from a plurality of satellites, providing satellite information according to the user request, And a satellite information utilization unit for processing and utilizing the satellite information according to the user request and the utilization information.

As described above, the integrated satellite information providing system and the integrated satellite information providing method using the same according to the embodiment of the present invention can be applied to high-resolution satellite images such as multipurpose practical satellites, next generation mid-range satellites, etc. and geostationary wide areas It is possible to manage the observation image information in an integrated manner and facilitate the utilization of satellite information.

In addition, satellite information provided by various satellites can be provided in an easy, fast, and convenient service form, thereby enhancing the availability of satellite information according to a user's demand.

1 is a block diagram illustrating a system for providing integrated satellite information according to an embodiment of the present invention;
FIG. 2 is a block diagram showing the integrated satellite information providing unit of FIG. 1. FIG.
3 is a block diagram showing the satellite information utilizing unit of FIG.

The advantages and features of the present invention and the techniques for achieving them will be apparent from the following detailed description taken in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. The present embodiments are provided so that the disclosure of the present invention is not only limited thereto, but also may enable others skilled in the art to fully understand the scope of the invention.

The terms used herein are intended to illustrate the embodiments and are not intended to limit the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. It is to be understood that the terms 'comprise', and / or 'comprising' as used herein may be used to refer to the presence or absence of one or more other components, steps, operations, and / Or additions.

In addition, like reference numerals denote like elements throughout the drawings, and a detailed description of known features and techniques may be omitted so as to avoid unnecessarily obscuring the discussion of the described embodiments of the present invention .

FIG. 1 is a block diagram illustrating a system for providing integrated satellite information according to an exemplary embodiment of the present invention, FIG. 2 is a block diagram illustrating a combined satellite information providing unit of FIG. 1, and FIG. 3 is a block diagram to be.

As shown in FIG. 1, the integrated satellite information providing system according to an embodiment of the present invention has a technical feature to integrally provide satellite information collected from a plurality of satellites according to a user request. The integrated satellite information providing unit 200, and the satellite information utilizing unit 300.

The user interface unit 100 may receive user requests for searching for satellite information desired by the user and utilization information for utilizing the satellite information. At this time, the satellite information may be a satellite image photographed by a satellite, a geographic information system (GIS) map, and the utilization information may utilize satellite information through combination with satellite information. Or any combination of satellite information and satellite information.

Here, the user interface unit 100 may be a smart phone, a tablet, a computer, or the like. However, the present invention is not limited thereto, and the user interface unit 100 may be configured to input user request and utilization information.

In addition, the integrated satellite information providing system of the present invention can input user's request and utilization information through the user interface unit 100. The integrated satellite information providing system searches satellite information according to input request and utilization information of the user, The user can confirm the process of processing the screen by using the screen.

In addition, the user interface unit 100 can utilize satellite information such as a satellite image and a geographic information system map, and a user who does not have expertise in image processing Analyze, edit, and utilize satellite information.

At this time, the user interface unit 100 may provide an application program and an Open Application Program Interface (API) so that the satellite information can be easily processed according to the purpose of the user. Accordingly, it is possible to provide an environment in which users without expertise in image processing can freely and creatively process and utilize satellite information.

As shown in FIG. 2, the integrated satellite information providing unit 200 collects and manages each satellite information from a plurality of satellites, and can provide satellite information according to a user request. A satellite information DB 220 and a satellite information management unit 230. [

In addition, the integrated satellite information providing unit 200 may further include a metadata DB 240 and a temporary satellite information DB 250.

Here, the integrated satellite information providing unit 200 is configured in a cloud form, and the user interface unit 100 may be connected to the integrated satellite information providing unit 200 through the Internet.

Meanwhile, the satellite information collecting unit 210 may collect satellite information from a plurality of satellites.

At this time, the satellite information collecting unit 210 may collect satellite information directly from a plurality of satellites, or may collect satellite information from a professional agency receiving satellite information from a plurality of satellites.

In addition, the satellite information DB 220 may store satellite information collected by the satellite information collecting unit 210.

Here, the satellite information DB 220 may store satellite information of a large capacity collected by the satellite information collecting unit 210 in a distributed manner. At this time, the satellite information stored in the satellite information DB 220 may be original satellite information collected by the satellite information collecting unit 210. In addition, the satellite information stored in the satellite information DB 220 is preprocessed and stored, thereby making it possible to more effectively and quickly search for satellite information and process satellite information.

The satellite information management unit 230 manages satellite information and can provide satellite information according to a user's request.

Here, the satellite information management unit 230 may pre-process the satellite information stored in the satellite information DB 220 and store the satellite information in the metadata DB 240.

Specifically, the satellite information management unit 230 may generate metadata from the satellite information of a large capacity collected by the satellite information collecting unit 210 or may perform an image preprocessing process such as image tiling. At this time, the satellite information management unit 230 can generate a satellite image catalog by performing a preprocessing process on satellite information, and store the generated satellite image catalog in the metadata DB 240.

The satellite information management unit 230 searches for satellite image catalogs in the metadata DB 240 according to a user's request and stores satellite information corresponding to the satellite image catalogs in the satellite information DB 220 250).

In detail, the satellite information management unit 230 can search the satellite image catalog stored in the metadata DB 240 according to a user request input through the user interface unit 100. At this time, when the satellite image catalog according to the user's request is searched, the satellite information management unit 230 can provide the original satellite information about the searched satellite image catalog from the satellite information DB 220 to the temporary satellite information DB 250 . Accordingly, without searching all the satellite information, only the satellite image catalog can be searched and the original satellite information can be provided. Therefore, it is possible to search for satellite information and utilize the satellite information more effectively and quickly.

Meanwhile, the integrated satellite information providing unit 200 may collect and provide satellite information from at least one satellite among a plurality of satellites according to a user request through the satellite information collecting unit 210.

Specifically, if a satellite image catalog according to a user's request is not found in the metadata DB 240, the satellite information management unit 230 may transmit a satellite image order signal to the satellite information collection unit 210 according to a user's request . At this time, the satellite information collecting unit 210 may collect satellite information from at least one of the plurality of satellites according to the received satellite image order signal, and the collected satellite information is provided to the temporary satellite information DB 250 .

1 and 3, the satellite information utilizing unit 300 is connected between the user interface unit 100 and the integrated satellite information providing unit 200, and processes satellite information according to user request and utilization information The satellite information processing unit 310 and the satellite information search unit 320 can be used.

Here, the satellite information utilizing unit 300 is configured in a cloud form, and the user interface unit 100 can be connected to the satellite information utilizing unit 300 via the Internet. The satellite information is edited and processed in real time, And may be provided to the interface unit 100.

Here, the satellite information processing unit 310 may perform overall process management on the satellite information analysis and processing according to a user's request.

At this time, the satellite information processing unit 310 may distribute and process satellite information based on the cloud.

In particular, the satellite information processing unit 310 may be expanded or reduced to a plurality of clouds according to the number of the user interface units 100 connected to the satellite information utilizing unit 300. Accordingly, the satellite information processing unit 310 can connect with a plurality of clouds according to the number of the user interface units 100 connected to the satellite information utilizing unit 300, so that it is possible to process the satellite information of a large capacity more easily and quickly And it is possible to more easily provide satellite information.

In addition, the satellite information processing unit 310 may process satellite information through a satellite information processing algorithm generated according to a user request.

That is, the satellite information processing unit 310 can perform satellite information processing for analyzing and editing satellite information in a state that can utilize the satellite information according to the satellite information processing algorithm. For example, the user can analyze and edit satellite images and maps for desired areas according to user requests and utilization information.

Meanwhile, the satellite information studying unit 320 may process the satellite information processed by the satellite information processing unit 310 according to utilization information.

At this time, the satellite information studying unit 320 may combine the satellite information processed in the satellite information processing unit 310 with the utilization information to generate processed satellite information. For example, the satellite information studying unit 320 can process satellite information such as a satellite image or a map by combining utilization information such as a location of a cultural property, weather, and the like.

Meanwhile, the satellite information utilizing unit 300 may further include a sharing unit 330 for storing and sharing the satellite information and the satellite information processing algorithm processed in the satellite information studying unit 320.

Here, the sharing unit 330 may store the processed satellite information and the satellite information processing algorithm in the satellite information processing unit 320 and may share the processed satellite information and the satellite information processing algorithm, thereby reusing the processed satellite information and the satellite information processing algorithm, It is possible to process the satellite information more quickly and efficiently without repeating the processing of the same satellite information at the time of access for utilization of the satellite information and to sell the processed satellite information and satellite information processing algorithm to other users .

The satellite information providing system of the present invention is provided between the user interface unit 100 and the satellite information utilizing unit 300 to control the connection between the user interface unit 100 and the satellite information utilizing unit 300, And a connection control unit 400 for controlling user requests, utilization information and satellite information transmitted between the satellite information utilization unit 300 and the satellite information utilization unit 300.

The connection control unit 400 can control connection between the user interface unit 100 and the satellite information utilizing unit 300 through connection authentication of the user interface unit 100.

The connection control unit 400 may transmit user request and utilization information input through the user interface unit 100 to the satellite information utilization unit 300 and may transmit satellite information processed in the satellite information utilization unit 300 To the user interface unit 100.

Accordingly, the satellite information providing system of the present invention can perform community mapping, which allows a user to plan, create, input, and update a satellite image product directly using satellite information. That is, the user information and utilization information input to the user interface unit 100 in the satellite information utilizing unit 300 are maximized through utilization of the satellite information provided in the integrated satellite information providing unit 200 And can freely utilize satellite images to link and fuse with various big data.

Accordingly, the integrated satellite information providing system according to an embodiment of the present invention configured as described above can integrate high-resolution satellite images such as multipurpose satellite, next-generation mid-satellite, etc., and geostationary wide- And can facilitate the utilization of satellite information.

In addition, satellite information provided by various satellites can be provided in an easy, fast, and convenient service form, thereby enhancing the availability of satellite information according to a user's demand.

A process of providing integrated satellite information using the integrated satellite information providing system configured as described above will be described with reference to FIGS. 1 to 3. FIG.

First, user requests and utilization information can be input.

Also, it is possible to collect and store each satellite information from a plurality of satellites, preprocess the collected satellite information, and store it after generating a satellite image catalog.

At this time, satellite information collected from a plurality of satellites can be integrated and stored in the satellite information DB 220. In addition, the satellite image catalog generated by preprocessing the collected satellite information can be stored in the metadata DB 240.

The satellite image catalog may be searched according to the input user request, and satellite information corresponding to the searched satellite image catalog may be provided.

Specifically, the satellite image catalog stored in the metadata DB 240 may be searched according to the input user request, and the original satellite information corresponding to the searched satellite image catalog may be provided from the satellite information DB 220.

At this time, if the satellite image catalog according to the user request is not searched, satellite information according to a user's request can be collected from at least one satellite among a plurality of satellites and provided.

Thereafter, the satellite information provided through the satellite information processing algorithm generated according to the input user request may be processed, and the satellite information provided according to the utilization information may be processed.

At this time, the satellite information processing algorithm and the processed satellite information can be stored and shared.

Next, the processed satellite information can be provided to the user.

Where a method is described herein as including a series of steps, the order of such steps presented herein is not necessarily the order in which such steps may be performed, any of the described steps may be omitted, Any other step that is not possible may be added to the method.

In addition, the singular forms herein include plural forms unless the context clearly dictates otherwise. Also, components, steps, operations, and elements referred to in the specification as " comprises " or " comprising " refer to the presence or addition of one or more other components, steps, operations, elements, and / or devices.

The present invention has been described with reference to the preferred embodiments. It is to be understood that all embodiments and conditional statements disclosed herein are intended to assist the reader in understanding the principles and concepts of the present invention to those skilled in the art, It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: user interface unit 200: integrated satellite information providing unit
210: satellite information collecting unit 220: satellite information DB
230: satellite information management unit 240: metadata DB
250: temporary satellite information DB 300: satellite information utilization section
310: satellite information processing unit 320:
400: connection control section

Claims (12)

1. A combined satellite information providing system for providing satellite information in response to a user request,
A user interface for inputting utilization information for utilizing the user request and the satellite information;
Collecting and managing each satellite information from a plurality of satellites, and providing the satellite information according to the user request; And
A satellite information utilization unit connected between the user interface unit and the integrated satellite information provider for processing and utilizing the satellite information according to the user request and the utilization information;
The satellite information providing system comprising:
The method according to claim 1,
The integrated satellite information providing unit
A satellite information collecting unit for collecting satellite information from the plurality of satellites;
A satellite information DB in which the satellite information collected by the satellite information collecting unit is stored; And
A satellite information management unit for integrally managing the satellite information and providing the satellite information according to the user request;
The satellite information providing system comprising:
3. The method of claim 2,
The satellite information management unit
And generating a satellite image catalog that preprocesses the satellite information stored in the satellite information DB and stores the preprocessed satellite information in a metadata DB further included in the integrated satellite information providing unit.
The method of claim 3,
The satellite information management unit
Searches the satellite image catalog in the metadata DB according to the user request, and provides satellite information corresponding to the satellite image catalog searched in the satellite information DB to a temporary satellite information DB included in the integrated satellite information providing unit Integrated satellite information providing system.
3. The method of claim 2,
The integrated satellite information providing unit
And collects and provides satellite information from at least one of the plurality of satellites according to the user request through the satellite information collecting unit.
The method according to claim 1,
The satellite information utilizing unit
A satellite information processing unit for processing the satellite information through a satellite information processing algorithm generated according to the user request; And
A satellite information processing unit for processing the satellite information processed by the satellite information processing unit according to the utilization information;
The satellite information providing system comprising:
The method according to claim 6,
The satellite information utilizing unit
And a sharing unit for storing and sharing the processed satellite information and the satellite information processing algorithm.
The method according to claim 1,
Wherein the integrated satellite information providing unit and the satellite information utilizing unit are configured in a cloud form.
The method according to claim 1,
And a control unit that is provided between the user interface unit and the integrated satellite information providing unit to control the connection between the user interface unit and the integrated satellite information providing unit and transmits the user request, And a connection control unit for controlling the utilization information and the satellite information.
An input step of inputting user request and utilization information;
A satellite information collecting and storing step of collecting and storing satellite information from a plurality of satellites, generating a satellite image catalog by preprocessing the collected satellite information, and storing the satellite image catalog;
A satellite information searching step of searching the satellite image catalog stored according to the input user request and providing satellite information corresponding to the searched satellite image catalog;
A satellite information processing step of processing the satellite information provided through the satellite information processing algorithm generated according to the input user request and processing the satellite information provided according to the utilization information; And
A satellite information providing step of providing the processed satellite information;
And providing the integrated satellite information.
11. The method of claim 10,
Between the satellite information search step and the satellite information processing step,
And collecting the satellite information according to the user request from at least one of the plurality of satellites if the satellite image catalog is not searched according to the user request.
11. The method of claim 10,
The satellite information processing step
Wherein the satellite information processing algorithm and the processed satellite information are stored and shared.

KR1020160034794A 2016-03-23 2016-03-23 Integrated satellite information service system and service method using the system KR20170110426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160034794A KR20170110426A (en) 2016-03-23 2016-03-23 Integrated satellite information service system and service method using the system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160034794A KR20170110426A (en) 2016-03-23 2016-03-23 Integrated satellite information service system and service method using the system

Publications (1)

Publication Number Publication Date
KR20170110426A true KR20170110426A (en) 2017-10-11

Family

ID=60138996

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160034794A KR20170110426A (en) 2016-03-23 2016-03-23 Integrated satellite information service system and service method using the system

Country Status (1)

Country Link
KR (1) KR20170110426A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102211983B1 (en) * 2019-12-23 2021-02-04 한국항공우주연구원 Intelligent Remote Satellite Image Transmission Method
KR20230172114A (en) * 2022-06-15 2023-12-22 (주)컨텍 Analysis system for satellite information utilization and the operation method for the same
CN117424632A (en) * 2023-10-18 2024-01-19 国家国防科技工业局重大专项工程中心(国家航天局对地观测与数据中心) Remote sensing resource comprehensive application system based on multi-source satellite data
KR102678086B1 (en) * 2024-01-25 2024-06-25 (주) 픽소니어 Satellite image processing apparatus and method for cloud environment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102211983B1 (en) * 2019-12-23 2021-02-04 한국항공우주연구원 Intelligent Remote Satellite Image Transmission Method
KR20230172114A (en) * 2022-06-15 2023-12-22 (주)컨텍 Analysis system for satellite information utilization and the operation method for the same
CN117424632A (en) * 2023-10-18 2024-01-19 国家国防科技工业局重大专项工程中心(国家航天局对地观测与数据中心) Remote sensing resource comprehensive application system based on multi-source satellite data
KR102678086B1 (en) * 2024-01-25 2024-06-25 (주) 픽소니어 Satellite image processing apparatus and method for cloud environment

Similar Documents

Publication Publication Date Title
US9020529B2 (en) Computer based location identification using images
US10186083B1 (en) Method and system for navigating in panoramic images using voxel maps
CN105409252B (en) Method and apparatus for identifying and transmitting position
CN102884400B (en) Messaging device, information processing system and program
KR20100068468A (en) Method, apparatus and computer program product for performing a visual search using grid-based feature organization
CN103761539B (en) Indoor locating method based on environment characteristic objects
CN105447766A (en) Three-dimensional power-grid weather-information panoramic display method based on GIS and system thereof
CN105021186B (en) Intelligent guide guide system based on hand-drawing map
CN111967339B (en) Method and device for planning unmanned aerial vehicle path
KR20170110426A (en) Integrated satellite information service system and service method using the system
Chebbi et al. Improvement of satellite image classification: Approach based on Hadoop/MapReduce
CA3129009C (en) Method and apparatus for providing education service using satellite imagery based on artificial intelligence
CN108712712A (en) Wireless Fidelity WiFi network related information display methods and device
US10921131B1 (en) Systems and methods for interactive digital maps
US9881232B2 (en) Viewpoints of a point of interest
CN105228105B (en) A kind of indoor orientation method and user terminal
Astsatryan et al. Scalable data processing platform for earth observation data repositories
CN114500428A (en) Navigation sharing method and device, electronic equipment, storage medium and program product
CN112632338A (en) Point cloud data retrieval method, device, equipment and storage medium
CN110377776B (en) Method and device for generating point cloud data
KR20130068463A (en) System for providing history information using location based information service and the method
US10521957B2 (en) Methods and systems for reconstructing GIS scenes
CN113362090A (en) User behavior data processing method and device
Tripathy et al. Generating megacity-scale building height maps without DGNSS surveyed GCPs: An open-source approach
JP2002189412A (en) Mapping system and mapping method

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
AMND Amendment