• Title/Summary/Keyword: Spatial Transformation

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An Implementation of Integrated System for Topographic and Cadastral Data (지형 및 지적자료의 통합체계 구축)

  • 유복모;김갑진
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.18 no.2
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    • pp.143-155
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    • 2000
  • With the increasing needs for the integrated use of topographic and cadastral data in order to build an efficient geo-spatial information system. it is urgently necessary to research into its solution. The intention of this study is to detect error types of data and to propose adjustment methods for solving the problems caused by integrating topographic and cadastral data. For this purpose a primary integrated data model is created to link attribute data(land management system) and graphic data within cadastral information in the first step. In next, a secondary integrated data model based on the improved method is formed to coincide the graphic data of cadastral map with that of topographic map. At the first, because a numerous error types md sources caused by separate management of graphic and attribute data are easily checked, it is possible to suggest an improved method to correct these errors using the primary integrated data model. In addition, the accuracy in position and area with coordinate transformation method based on multi-block adjustment is more efficient than rubber-sheeting method. As a result, the secondary integrated data model could be built by harmonizing cadastral map with topographic map using the improved solution.

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A study on the Interpretation of Modernity & Contemporary in University Educational Projects of Fumihiko Maki - Focus on Steinberg Hall and Kemper Art Museum in Washington University in St. Louis - (후미히코 마키(Fumihiko Maki)의 대학교육시설에서 근대성과 현대성의 해석에 관한 연구 - 세인트 루이스 워싱턴 대학의 스타인버그 홀과 켐퍼 아트 뮤지움을 중심으로 -)

  • Lim, Jong-Yup
    • Journal of the Korean Institute of Educational Facilities
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    • v.21 no.4
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    • pp.31-40
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    • 2014
  • The modern day architectural giant, Maki Fumihiko, has lived through both the early and the more recent modernism, Contemporary. In the 1950's he was faithful to the spirit that was founded on the early modernity, Metabolism. In his later years in the 2000's, his style can be distinguished into Neo-Modernism which was based on local influence. The educational system at Washington University and the modern city of Saint Louis carries the continuation of Fumihiko Maki's early and later architectural career. Steinberg Hall and Kemper Art Museum have been built adjacent to each other in an extended period of time. These two projects encompass the changes in the era that has gone through modernism, transformation of an architect's career, and the maturation of the university. Steinberg Hall carries the ideal and the spirit of young Fumihiko Maki, therefore, the basic platform of experimentation of the early Metabolist has been applied. Spatial theory that concentrates on the integration of relations is also evident in this project. In contrast, Kemper Art Museum expresses the work of a 78 year-old veteran from the perspective of Neo-Modernism. This piece focuses on the internal space through the coexistence of a variety of space, and with that it notably interprets the integration of the pieces to the whole as a set theory. The partial change that we see is the evidence of the change in the early and the later modernism, while maintaining the innocence and the spirit of it. This is to highlight the fact that, ultimately, the goal of architecture is to secure the human race's honesty and their freedom expressed through space.

A Study on Receipt Caused by Spatial Transformation of Kitchen Space in Apartment Housing

  • Choi, Lee-Seoung;Kim, Hyung-Woo
    • Journal of the Korea Furniture Society
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    • v.19 no.4
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    • pp.260-272
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    • 2008
  • The recent concept of kitchen is likely defined as "Kitchen Culture" including the function of living room where all families make a conversation as well as a dinner, and it is becoming another type of the residential environment, deviating from the stereotype as only cooking area. Particularly the comfortableness of living room is closely associated with a receipt function of kitchen, and the sort & dimension & size of furniture and diversity of shapes playa more meaningful role for improving our life standard & comfortableness compared with the past, nevertheless this receipt study is carelessly handled in the first phase of construction. This Study is focusing on understanding the modern concept of kitchen where the open space concept is being introduced as more reasonable space concept, and on suggesting a solution for receipt-function of the modern kitchen concept connected with "L-D-K (Living room - Dining room- Kitchen)" space idea. In the Chapter 2 the concept of receipt and function of kitchen, the wide variety of kitchen utensils was checked up, and in the Chapter 3 the change of trends of kitchen area & receipt space was considered, and finally in the Chapter 4 the modern concept of kitchen was presented, by instancing overseas examples with receipt planning. As a consequence, the alternative of the receipt in the modern kitchen is to install an Ireland table or another type of receipt-available table (lower furniture) in the dead space between kitchen & living room for motivating smooth communication and convenient receipt, and that is the trend nowadays. Kitchen desires a rapid change. Through this kind of study it should be more researched that kitchen is not an independent space any more and lies in the mutual connection of L-D-K.

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A Novel Method for Moving Object Tracking using Covariance Matrix and Riemannian Metric (공분산 행렬과 리만 측도를 이용한 이동물체 추적 방법)

  • Lee, Geum-Boon;Cho, Beom-Joon
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.15 no.2
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    • pp.364-370
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    • 2011
  • This paper propose a novel method for tracking moving object based on covariance matrix and Riemannian Manifolds. With image backgrounds continuously changed, we use the covariance matrices to extract features for tracking nonrigid object undergoing transformation and deformation. The covariance matrix can make fusion of different types of features and has its small dimension, therefore we enable to handle the spatial and statistical properties as well as the component correlation. The proposed method can estimate the position of the moving object by employing the covariance matrix of object region as a feature vector and comparing the candidate regions. Rimannian Geometry is efficiently adapted to object deformation and change of shape and improve the accuracy by using geodesic distance to predict the estimated position with the minimum distance. The experimental results have shown that the proposed method correctly tracked the moving object.

Rigorous Modeling of the First Generation of the Reconnaissance Satellite Imagery

  • Shin, Sung-Woong;Schenk, Tony
    • Korean Journal of Remote Sensing
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    • v.24 no.3
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    • pp.223-233
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    • 2008
  • In the mid 90's, the U.S. government released images acquired by the first generation of photo reconnaissance satellite missions between 1960 and 1972. The Declassified Intelligent Satellite Photographs (DISP) from the Corona mission are of high quality with an astounding ground resolution of about 2 m. The KH-4A panoramic camera system employed a scan angle of $70^{\circ}$ that produces film strips with a dimension of $55\;mm\;{\times}\;757\;mm$. Since GPS/INS did not exist at the time of data acquisition, the exterior orientation must be established in the traditional way by using control information and the interior orientation of the camera. Detailed information about the camera is not available, however. For reconstructing points in object space from DISP imagery to an accuracy that is comparable to high resolution (a few meters), a precise camera model is essential. This paper is concerned with the derivation of a rigorous mathematical model for the KH-4A/B panoramic camera. The proposed model is compared with generic sensor models, such as affine transformation and rational functions. The paper concludes with experimental results concerning the precision of reconstructed points in object space. The rigorous mathematical panoramic camera model for the KH-4A camera system is based on extended collinearity equations assuming that the satellite trajectory during one scan is smooth and the attitude remains unchanged. As a result, the collinearity equations express the perspective center as a function of the scan time. With the known satellite velocity this will translate into a shift along-track. Therefore, the exterior orientation contains seven parameters to be estimated. The reconstruction of object points can now be performed with the exterior orientation parameters, either by intersecting bundle rays with a known surface or by using the stereoscopic KH-4A arrangement with fore and aft cameras mounted an angle of $30^{\circ}$.

Rotation Invariant Face Detection Using HOG and Polar Coordinate Transform

  • Jang, Kyung-Shik
    • Journal of the Korea Society of Computer and Information
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    • v.26 no.11
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    • pp.85-92
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    • 2021
  • In this paper, a method for effectively detecting rotated face and rotation angle regardless of the rotation angle is proposed. Rotated face detection is a challenging task, due to the large variation in facial appearance. In the proposed polar coordinate transformation, the spatial information of the facial components is maintained regardless of the rotation angle, so there is no variation in facial appearance due to rotation. Accordingly, features such as HOG, which are used for frontal face detection without rotation but have rotation-sensitive characteristics, can be effectively used in detecting rotated face. Only the training data in the frontal face is needed. The HOG feature obtained from the polar coordinate transformed images is learned using SVM and rotated faces are detected. Experiments on 3600 rotated face images show a rotation angle detection rate of 97.94%. Furthermore, the positions and rotation angles of the rotated faces are accurately detected from images with a background including multiple rotated faces.

Thrice Repair Works and Three Space Conceptions in Seokguram - focusing on Seokguram Architecture and Virtual Space Division of Inside and Outside - (석굴암, 세 번의 수리 공사와 세 개의 공간 개념 - 석굴암 건축과 안팎의 공간 구분을 중심으로 -)

  • Yoon, Chae-Shin
    • Journal of the Architectural Institute of Korea Planning & Design
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    • v.35 no.8
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    • pp.89-100
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    • 2019
  • The purpose of this study is to critically review the repair works of Seokguram architecture and to search for its original form and space. Seokguram's architectural form has been transformed throughout three repair works. The first transformation occurred during the repair work of the Colonial Government in 1913-1915, and the second occurred during the repair work of the Colonial Government in 1920-1923. The repair work done by the Korean Government in 1961-1964 also caused a severe change in the architectural form and space of Seokguram architecture. The more the repair work was added to Seokguram, the more its original form flew away like a mirage. Through the three repair works, the spatial composition of Seokguram changed in the following directions: from ((front chamber + passageway) + main chamber) to (front chamber + (passageway + main chamber)) through the second repair work, from (front chamber + (passageway + main chamber)) to (front chamber + passageway + main chamber) through the last repair work. Although the compositional space hierarchy of Seokguram was maintained during the first repair work, the architectural form based on the dry method was changed to the form based on the wet method. The Korean government's repair work was a tragedy for the 'Seokguram conservation project' that the people who led the conservation process misunderstood the architectural nature of Seokguram.

A Study of the Characteristics of Emergency Housing from Japan Prefabricated Construction Suppliers and Manufacturers Association and General Construction Companies Provided during the Great East Japan Earthquake - focusing on the Kaisei and Ohashi Complexes of Ishinomaki City - (동일본대지진 시 공급된 프리패브건축협회 및 종합건설사의 응급가설주택 특성에 관한 연구 - 이시노마키시(石巻市) 카이세이(開成)단지 및 오하시(大橋)단지를 중심으로 -)

  • Lee, Sang-Hee;Kim, Bong-Ae
    • Journal of the Architectural Institute of Korea Planning & Design
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    • v.36 no.4
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    • pp.61-70
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    • 2020
  • The purpose of this study is to provide data for planning future temporary housing in Korea by comparing and analyzing the characteristics of emergency housing rapidly supplied by Japan Prefabricated Construction Suppliers and Manufacturers Association(JPA) and general construction companies, according to the supply subject in times of natural disasters in Japan. Literature reviews and on-site field investigations are conducted as research methods during the period of August 4th~9th, 2019. As subjects of study, the characteristics of two housing complex built in Ishinomaki City with different supply subjects were compared and analyzed. As a result of this study, Japan has a clear distinction of terms for emergency housing, which are divided into rental and construction types. With the close cooperation between the government, local governments and construction companies, providing a prompt systematic supply is possible. The characteristics of emergency housing are differ depending on supply subjects. The emergency housing of JPA has diversity of plane, two rooms facing south, and fast construction time, while the emergency housing of the general construction company has a flexible spatial transformation and excellence of materials.

A Study on the Role of the National Police Agency Library Analyzed from a Macroscopic Perspective: Focusing on PEST Analysis (거시적 관점으로 분석한 경찰청 도서관 역할에 관한 연구: PEST 분석을 중심으로)

  • Roh, Yoon-ju
    • Journal of the Korean Society for information Management
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    • v.38 no.2
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    • pp.251-276
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    • 2021
  • In 2021, the Korean National Police Agency is facing a critical time as it meets a period of drastic changes such as the introduction of autonomous police system, the reform of its criminal investigation system, and its great transformation to a truly responsible investigative agency in keeping with the inauguration of the National Office of Investigation. This study carries out PEST analysis, which is a macro environmental analysis technique, and examines the current situation of operating the libraries of metropolitan-city and provincial police agencies and affiliated institutions, in order to suggest the role and function of the Korean National Police Agency's libraries in the fourth industrial revolution era. Based on the findings, this study classifies the essential components of a library into facilities, books, and librarians, i.e. spatial composition, book composition, and human resources, in addition to library operational governance establishment and future-oriented library services; and proposes the future-oriented roles of the National Police Agency's libraries in the fourth industrial revolution era.

The Value of Daesoon Jinrihoe's Temple Complexes from the Perspective of UNESCO World Heritage (세계유산 관점에서의 대순진리회 도장의 가치)

  • Kim, Jin-young
    • Journal of the Daesoon Academy of Sciences
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    • v.35
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    • pp.393-426
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    • 2020
  • In the past, holy sites were mainly designated on a basis of archaeological norms and endowed with a specific fixed identity according to historical, religious, and contextual interpretations. However, approaches to these sites are more flexible in recent times. These locations transcend the boundaries of space and time to enable the experience of diverse transformation and reveal multiple religious identities which are embedded in the complex interaction between power and authority. In this regard, the dynamic meanings of the religious symbology of Daesoon Jinrihoe's temple complexes, imagery, and the spatial structures enable us to grant them a new identity by re-establishing these structures as World Heritage sites. Temple complexes (dojang) correspond to the outstanding universal values identified by UNESCO in that the spiritual activities conducted at these holy sites draw the same attention as would be drawn by historical value. In this context, this study aims to explore the potential for Daesoon Jinrihoe's temple complexes to be designated UNESCO world heritage sites. To carry out this study, existing religious heritage sites such as Mount Athos Monasteries in Greece and Lumbini in Nepal are examined as case studies, and the operational plan, conservation, protection of relics, and interaction with its neighboring community and tourists are likewise closely examined in this study.