KR100792662B1 - System for reading air picture - Google Patents

System for reading air picture Download PDF

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KR100792662B1
KR100792662B1 KR1020070041697A KR20070041697A KR100792662B1 KR 100792662 B1 KR100792662 B1 KR 100792662B1 KR 1020070041697 A KR1020070041697 A KR 1020070041697A KR 20070041697 A KR20070041697 A KR 20070041697A KR 100792662 B1 KR100792662 B1 KR 100792662B1
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South Korea
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model
aerial
reading
aerial photograph
module
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KR1020070041697A
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Korean (ko)
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김성현
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삼아항업(주)
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
    • G01C11/04—Interpretation of pictures
    • G01C11/06—Interpretation of pictures by comparison of two or more pictures of the same area
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/05—Geographic models
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/003—Maps
    • G09B29/006—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes
    • G09B29/007—Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes using computer methods

Abstract

A system for reading an air picture is provided to model a digital air photo, which is captured by using a digital camera for air photo survey, and overlap the digital summarized state map on the air photo model, thereby reading the difference between an air photo model and a digital summarized state map. A reading area selecting module(130) indexes the air photo models and the summarized state maps of a selected reading area by referring to the air photo model database(110) and a summarized state map database(120). An overlapping module(150) overlaps the summarized state map on the indexed air photo model. A correcting module(160) corrects the summarized state map by receiving the difference between the air photo model and the summarized state map, and stores the corrected summarized state map to a result database. The reading area selecting module indexes the air photo models and the summarized state maps of the selected reading area by each year, course, and model.

Description

항공사진 판독 시스템{SYSTEM FOR READING AIR PICTURE}Aerial photograph reading system {SYSTEM FOR READING AIR PICTURE}

도 1은 종래의 항공사진 판독 방법을 나타내는 예시도,1 is an exemplary view showing a conventional aerial photograph reading method;

도 2는 본 발명에 따른 항공사진 판독 시스템을 나타내는 구성도,2 is a block diagram showing an aerial photograph reading system according to the present invention;

도 3은 본 발명에 따른 약식현황도를 나타내는 예시도,3 is an exemplary view showing a schematic diagram according to the present invention,

도 4는 본 발명에 따른 출력장치를 나타내는 예시도,4 is an exemplary view showing an output device according to the present invention;

도 5는 본 발명에 따른 항공사진모델을 나타내는 예시도,5 is an exemplary view showing an aerial photograph model according to the present invention;

도 6은 본 발명에 따른 항공사진모델에 약식현황도를 중첩시킨 것을 나타내는 예시도,6 is an exemplary view showing that the abbreviated state diagram is superimposed on the aerial photograph model according to the present invention,

도 7은 본 발명에 따른 항공사진 판독 방법을 나타내는 순서도.7 is a flow chart showing an aerial photograph reading method according to the present invention.

** 도면의 주요 부분에 대한 부호의 설명 ** ** Description of symbols for the main parts of the drawing **

10: 항공사진 판독 소프트웨어 20: 출력장치10: Aerial photograph reading software 20: Output device

30: 입체경 110: 항공사진모델DB30: stereoscopic 110: aerial photograph model DB

120: 약식현황도DB 130: 판독지역 선택모듈120: summary status DB 130: reading area selection module

140: 입체시 생성모듈 150: 중첩모듈140: stereoscopic view generation module 150: superposition module

160: 수정모듈 170: 작업결과DB160: modification module 170: operation result DB

본 발명은 지리정보시스템(GIS, Geographic Information System)에 이용되는 수치사진측량장비를 이용하여 촬영한 항공사진을 판독하는 시스템에 관한 것으로서, 특히 항공사진측량용 디지털카메라를 통해 촬영한 디지털 항공사진들을 항공사진모델화 하고, 이 항공사진모델에 수치화된 약식현황도를 중첩하여 양자의 상이점을 판독할 수 있는 시스템에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for reading aerial photographs photographed using digital photogrammetry equipment used in a geographic information system (GIS). The present invention relates to a system capable of modeling an aerial photograph and superimposing the abbreviated state diagrams on the aerial photograph model to read the differences between them.

수치지도란, 종이지도가 가지고 있는 정보를 점, 선, 면 형태의 기하학적 도형 요소나 화소들의 집합으로 디지털화한 도면 또는 수치지도(Digital Map)를 의미하며, 국가기관인 국토지리정보원(National Geographic Information Institute)에 제공하는 표준서식에 부합하도록 작성된다. 약식현황도는 표시하고자 하는 지표면상의 상황에 대한 측량결과와 행정구역경계, 지명 등을 도시하고 있으며, 국토의 이용개발과 통계조사 등 여러 분야에서 기초자료로 이용된다.A digital map is a drawing or digital map that digitizes the information contained in a paper map into a set of geometric figure elements or pixels in the form of points, lines, and planes, and is the national geographic information institute. It is written in conformity with the standard form provided in. The abbreviation chart shows the survey results, the boundary of administrative districts, the names of places, etc., and is used as basic data in various fields such as land use development and statistical survey.

한편, 어느 지역에 대해 작성된 수치지도는 소정 주기로 갱신될 필요성이 있다. 이는 그 지역의 지형적 변화 또는 지형지물의 변화가 수반되는 것이 일반적이기 때문이다. 종래 수치지도 갱신 과정을 간략히 살피면, 먼저 해당 지역에 대한 한 쌍의 항공사진(좌안·우안 사진)을 촬영한다. 작업자는 도 1에 도시된 바와 같이 입체경(편광스크린 및 편광안경)을 통해 입체화(3차원 이미지)된 항공사진 그리고 이 항공사진과 부합하는 수치지도를 번갈아 확인하면서, 상이한 부분을 수치지 도 상에 표시한다.On the other hand, the numerical map created for a certain area needs to be updated at predetermined intervals. This is because it is usually accompanied by geographic changes or features of the area. To briefly review the conventional digital map update process, first, a pair of aerial photographs (left and right eye photographs) of the area are photographed. The operator alternates between three-dimensional (three-dimensional image) aerial photographs and the numerical map corresponding to the aerial photographs through the stereoscopic mirrors (polarizing screen and polarized glasses), as shown in FIG. Display.

그러나, 이러한 종래의 수치지도 갱신 방식은, 작업자가 항공사진 및 수치지도를 수차례 번갈아가며 확인해야 하는바, 그에 따른 작업시간의 증가는 물론이고 작업의 능률저하를 수반한다.However, such a conventional digital map updating method requires the operator to alternately check the aerial photographs and the digital map several times, thereby increasing work time as well as reducing work efficiency.

본 발명은 상기와 같은 문제점들을 해결하기 위해 창안된 것으로서, 입체화된 항공사진모델과 약식현황도를 중첩하여, 이들의 상이점을 능률적으로 판독할 수 있도록 한 항공사진 판독 시스템을 제공한다.The present invention has been devised to solve the above problems, and provides an aerial photograph reading system that can superimpose the three-dimensional aerial photograph model and the summary state, and efficiently read these differences.

이와 같은 특징적인 목적을 구현하기 위한 본 발명은 항공사진모델들을 저장·관리하는 항공사진모델DB와, 항공사진별 약식현황도를 저장·관리하는 약식현황도DB를 포함하는 항공사진 판독 시스템을 구성한다.The present invention for realizing such a characteristic object constitutes an aerial photograph reading system including an aerial photograph model DB for storing and managing aerial photograph models, and an abbreviated status diagram DB for storing and managing a summary status for each aerial photograph. do.

본 발명의 특징에 따르면, 항공사진모델DB와 약식현황도DB를 참조하여 작업자가 선택한 판독지역의 항공사진모델들과 약식현황도들을 색인하는 판독지역 선택모듈과, 색인된 항공사진모델을 입체화하여 출력장치로 출력하는 입체시 생성모듈과, 입체화된 항공사진모델에 상기 약식현황도를 중첩시키는 중첩모듈, 그리고 작업자로부터 중첩된 항공사진모델과 약식현황도의 상이점을 입력받아 약식현황도를 수정하여 작업결과DB에 저장하는 수정모듈을 포함하며, 판독지역 선택모듈은 작업자가 선택한 판독지역의 항공사진모델과 약식현황도를 연도별, 코스별 및 모델별로 색인하는 것을 특징으로 한다.According to a feature of the present invention, a reading area selection module for indexing the aerial photographic models and the summary status of the reading area selected by the operator with reference to the aerial photographic model DB and the simplified status map DB, and the indexed aerial photograph model are three-dimensionally Stereoscopic generation module for outputting to the output device, superposition module for superimposing the abbreviated state diagram on the three-dimensional aerial photograph model, and modifying the abbreviated state diagram by receiving the difference between the superimposed aerial model and the abbreviated state diagram from the operator It includes a correction module for storing in the work results DB, the reading area selection module is characterized by indexing the aerial photograph model and summary status of the selected reading area by the year, course and model.

삭제delete

본 발명의 구체적 특징 및 이점들은 첨부도면에 의거한 다음의 상세한 설명으로 더욱 명백해질 것이다. 이에 앞서 본 발명에 관련된 공지 기능 및 그 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우에는 그 구체적인 설명을 생략하였음에 유의해야 할 것이다.Specific features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. It should be noted that, if it is determined that the detailed description of the known functions and the configurations related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

도 2는 본 발명에 따른 항공사진 판독시스템을 개념적으로 도시한 구성도로서, 이하에서는 그 언급을 생략하겠으나 모든 처리과정은 항공사진 판독 소프트웨어(10)에 의해 수행되며, 본 발명이 개시하는 일련의 항공사진 판독 방법은 항공사진 판독 소프트웨어(10)의 일부 기능으로 이해하는 것이 바람직하다. 아울러 본 발명에 따른 약식현황도는 전체 작업지역을 기저장된 크기의 격자방식으로 분할되어 항공사진별로 약식현황도DB에 저장되는 것으로 상정한다.FIG. 2 is a schematic diagram showing an aerial photographic reading system according to the present invention. Hereinafter, a description thereof will be omitted, but all processes are performed by the aerial photographic reading software 10. The aerial photograph reading method is preferably understood as some function of the aerial photograph reading software 10. In addition, it is assumed that the summary status according to the present invention is divided into a lattice method of a pre-stored size of the entire work area and stored in the summary status DB for each aerial photograph.

도면을 참조하여 본 발명의 전반적인 기술적 사상을 살펴보면, 항공사진모델DB(110)와, 약식현황도DB(120), 판독지역 선택모듈(130)과, 입체시 생성모듈(140)과, 중첩모듈(150)과, 수정모듈(160) 및 작업결과DB(170)를 포함한다. Looking at the overall technical spirit of the present invention with reference to the drawings, aerial photographic model DB 110, summary status DB 120, reading area selection module 130, stereoscopic vision generation module 140, overlapping module And a modification module 160 and a work result DB 170.

구체적으로 항공사진모델DB(110)에는 항공사진측량용 디지털카메라로 촬영한 항공사진들이 저장·관리된다. 이때, 항공사진들은 항공기의 진행방향 및 인접지역이 중복되도록 위상의 차이를 두어 두 장씩 촬영되며, 이 중복 촬영된 두 장의 항공사진들은 서로 한 쌍을 이루도록 모델화(이하, '항공사진모델')되어 저장된다. 약식현황도DB(120)에는 도 3에 도시된 바와 같은 수치화된 약식현황도들이 항공사진별로 기저장되어 있다.In detail, the aerial photograph model DB 110 stores and manages aerial photographs photographed with a digital camera for aerial photographing. At this time, the aerial photographs are photographed two by two at different phases to overlap the direction of travel and adjacent areas of the aircraft, and these two photographed aerial photographs are modeled to be paired with each other (hereinafter referred to as an 'air photograph model'). Stored. In the abbreviated state diagram DB 120, the numerical abbreviated state diagrams as shown in FIG. 3 are stored for each aerial photograph.

판독지역 선택모듈(130)은 항공사진모델DB 및 약식현황도DB를 참조하여 작업자가 선택한 판독지역의 항공사진모델들과 약식현황도들을 색인한다. 여기서 색인이란, 판독지역 선택모듈이 항공사진모델DB와 약식현황도DB를 참조하여 이들 DB에서 항공사진모델들과 약식현황도들이 서로 부합되도록 연도별, 코스별 및 모델별로 분류하여 목록화하는 것으로 이해할 수 있다. The reading area selection module 130 indexes the aerial view models and the summary status of the reading area selected by the operator with reference to the aerial photograph model DB and the summary status DB. Here, the index means that the reading area selection module classifies by year, course, and model so that the aerial photograph models and the summary status maps are matched with each other by referring to the aerial photograph model DB and the summary status DB. I can understand.

입체시 생성모듈(140)은 색인된 항공사진모델을 입체화하여 출력장치(20)로 출력한다. 입체화된 항공사진모델은 도 4에 예시된 바와 같이 작업자가 착용하는 입체경(30)을 통해 입체시된다(도 5 참조).The stereoscopic vision generation module 140 three-dimensionalizes the indexed aerial photograph model and outputs it to the output device 20. The stereoscopic aerial model is stereoscopically viewed through a stereoscopic mirror 30 worn by an operator as illustrated in FIG. 4 (see FIG. 5).

본 발명의 특징에 따라, 중첩모듈(150)은 첨부도면 도 6과 같이 출력장치에 약식현황도를 출력함으로써, 앞서 설명한 입체화된 항공사진모델이 약식현황도와 중첩되도록 기능한다.In accordance with a feature of the present invention, the superimposition module 150 outputs the summary state diagram to the output device as shown in FIG. 6, so that the three-dimensionalized aerial model described above overlaps the summary state diagram.

수정모듈(160)은 작업자가 입체화된 항공사진모델과 약식현황도의 상이한 점을 비교하여 약식현황도를 수정하도록 하며, 수정된 약식현황도는 작업결과DB(170)에 저장·관리된다.The correction module 160 allows the operator to compare the difference between the three-dimensional aerial photograph model and the summary status to modify the summary status, and the modified summary status is stored and managed in the work result DB 170.

이하, 도 7을 참조하여 디지털 수치사진측량장비를 이용한 항공사진 판독 과 정을 설명한다. Hereinafter, an aerial photograph reading process using digital digital photogrammetry will be described with reference to FIG. 7.

우선, 작업자가 판독을 수행하고자 하는 지역을 선택하면(S10), 판독지역 선택모듈(130)은 항공사진모델DB(110) 및 약식현황도DB(120)를 참조하여 선택된 지역에 부합하는 항공사진모델과 그에 부합하는 약식현황도를 색인한다(S20). First, when the operator selects a region to be read (S10), the reading region selection module 130 refers to the aerial photograph model DB 110 and the summary status DB 120, and the aerial photograph corresponding to the selected region. Index the model and the summary state corresponding thereto (S20).

이어서, 입체시 생성모듈(140)은 색인된 항공사진모델을 입체화하여 출력장치로 출력하며(S30), 뒤미처 중첩모듈(150)은 입체화된 항공사진모델에 해당하는 약식현황도를 출력장치에 중첩되도록 출력한다(S40).Subsequently, the stereoscopic vision generation module 140 three-dimensionalizes the indexed aerial photograph model and outputs it to the output device (S30), and the rear-view superposition module 150 superimposes the summary state corresponding to the three-dimensional aerial photograph model on the output device. Output so as to (S40).

이후, 작업자는 중첩된 항공사진모델과 약식현황도를 비교하면서 상이점을 찾게 되는데, 작업자가 찾은 상이점들에 대해 수정모듈(160)이 상기 약식현황도에 반영하고(S50), 수정이 완료된 약식현황도를 작업결과DB(170)에 저장한다(S60).Afterwards, the worker finds a difference while comparing the abbreviated aerial photograph model with the abbreviated state level, and the modification module 160 reflects the abbreviated state at which the worker finds the difference (S50), and the abbreviated state where the modification is completed. The degree is stored in the operation result DB 170 (S60).

이러한 일련의 과정(S20~S60)은 앞서 선택한 지역에 대해 색인된 항공사진모델 또는 약식현황도의 개수만큼 반복 수행된다.This series of processes (S20 to S60) is repeated as many times as the number of aerial photographs or abbreviations that are indexed for the previously selected region.

상기와 같은 본 발명에 따르면, 작업자는 항공사진모델과 해당 약식현황도가 중첩 출력된 상태에서 작업을 하게 되므로, 양자의 상이점을 용이하게 파악하고 수정할 수 있다. 따라서 판독작업 시간 및 인적·물적 자원을 현저히 줄일 수 있음은 물론이고 향상된 작업 능률을 얻을 수 있다.According to the present invention as described above, since the worker is working in a state in which the aerial photo model and the abbreviated state diagrams are superimposed, it is possible to easily identify and correct the difference between the two. This can significantly reduce reading time and human and material resources, as well as improve work efficiency.

이상으로 본 발명의 기술적 사상을 예시하기 위한 바람직한 실시예와 관련하여 설명하고 도시하였지만, 본 발명은 이와 같이 도시되고 설명된 그대로의 구성 및 작용에만 국한되는 것이 아니며, 기술적 사상의 범주를 일탈함이 없이 본 발명에 대해 다수의 변경 및 수정이 가능함을 당업자들은 잘 이해할 수 있을 것이다. 따라서, 그러한 모든 적절한 변경 및 수정과 균등물들도 본 발명의 범위에 속하는 것으로 간주되어야 할 것이다. As described above and described with reference to a preferred embodiment for illustrating the technical idea of the present invention, the present invention is not limited to the configuration and operation as shown and described as described above, it is a deviation from the scope of the technical idea It will be understood by those skilled in the art that many modifications and variations can be made to the invention without departing from the scope of the invention. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (4)

항공사진모델들을 저장·관리하는 항공사진모델DB와, 상기 항공사진별 약식현황도를 저장·관리하는 약식현황도DB를 포함하는 항공사진 판독 시스템에 있어서,In an aerial photograph reading system comprising an aerial photograph model DB for storing and managing aerial photograph models, and a simplified status diagram DB for storing and managing the summary status for each aerial photograph, 상기 항공사진모델DB와 약식현황도DB를 참조하여 작업자가 선택한 판독지역의 항공사진모델들과 약식현황도들을 색인하는 판독지역 선택모듈; 색인된 항공사진모델에 상기 약식현황도를 중첩시키는 중첩모듈; 및 작업자로부터 중첩된 항공사진모델과 약식현황도의 상이점을 입력받아 상기 약식현황도를 수정하여 작업결과DB에 저장하는 수정모듈; 로 이루어지되,A reading area selection module for indexing the aerial photographic models and the summary status of the reading area selected by the operator with reference to the aerial photograph model DB and the summary status diagram DB; An overlap module for superimposing the summary state on the indexed aerial photograph model; And a modification module for receiving a difference between the aerial photographic model and the summary status from the operator, modifying the summary status, and storing the summary status in a work result DB. Consisting of, 상기 판독지역 선택모듈은, 작업자가 선택한 판독지역의 항공사진모델과 약식현황도를 연도별, 코스별 및 모델별로 색인하는 것을 특징으로 하는 항공사진 판독 시스템.The reading area selection module is an aerial photograph reading system, characterized in that by indexing the year-by-year, course and model of the aerial photographic model and summary status of the reading region selected by the operator. 삭제delete 삭제delete 삭제delete
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