• Title/Summary/Keyword: digital fusion

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Pan-Sharpening Algorithm of High-Spatial Resolution Satellite Image by Using Spectral and Spatial Characteristics (영상의 분광 및 공간 특성을 이용한 고해상도 위성영상 융합 알고리즘)

  • Choi, Jae-Wan;Kim, Yong-Il
    • Journal of Korean Society for Geospatial Information Science
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    • v.18 no.2
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    • pp.79-86
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    • 2010
  • Generally, image fusion is defined as generating re-organized image by merging two or more data using special algorithms. In remote sensing, image fusion technique is called as Pan-sharpening algorithm because it aims to improve the spatial resolution of original multispectral image by using panchromatic image of high-spatial resolution. The pan-sharpened image has been an important task due to various applications such as change detection, digital map creation and urban analysis. However, most approaches have tended to distort the spectral information of the original multispectral data or decrease the spatial quality compared with the panchromatic image. In order to solve these problems, a novel pan-sharpening algorithm is proposed by considering the spectral and spatial characteristics of multispectral image. The algorithm is applied to the KOMPSAT-2 and QuickBird satellite image and the results showed that our method can improve the spectral/spatial quality compared with the existing fusion algorithms.

Virtuality in Digital Fashion Images (디지털 패션영상에 나타난 가상성 연구)

  • Kim, Hyang-Ja;Kim, Young-Sam
    • Journal of the Korean Society of Clothing and Textiles
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    • v.39 no.2
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    • pp.233-246
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    • 2015
  • Focus on Digital Fashion Image, the conceptual framework for the thesis is established from Virtuality in Digital Art. Formative characteristics and aesthetic characteristics were studied by classifying the Digital Fashion Image applied and expressed by digital media and technology. A detective research method was used for a case study. A literature study for case-by-case data was analyzed with focus on the works expressing fashion that utilized digital media and technology since the 2000s. Through this study, the Digital revolution has created the socio-cultural impact of a Virtual representation to implement technology and fashion culture that finds ways to take advantage of the image shown in a Digital Fashion Media by understanding Virtuality. The results are as follows. First, it was a re-formation of the fashion culture through the experience of virtuality with mental zone parameters between the media 'Mediation Code'. Reflect the reality of the virtual environment as represented by a cultural image of fashion brands and fashion that reset the team relationship and formed a Homo Ludens cultural code. Second, 'Interactive Exchange' acts on the exchange interaction between the method of digital technology, the human and the machine as well as the technical interoperability of network elements and techniques. This exchange is applied to fashion images that express emotion. Forming personalized fashion items and the user interactively storage that expresses the interactive exchange to forward the identity of the emotional fashion by a change in the message delivery system fashion. Third, the emphasis on intuitive artistic expression 'Synesthesia Immersion' induces a sense of immersion and excitement through the fusion of the interconnected. Enhance a visual image in fashion sensory representation and maximize a tactile and visual virtual reality involvement.

The Aesthetic Value and Art-media's Characteristics as Appeared in Contemporary Digital Fashion (현대 디지털 패션에 나타난 예술 매체적 특성과 미적 가치)

  • Cho, So-Young;Yang, Sook-Hi
    • The Research Journal of the Costume Culture
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    • v.19 no.1
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    • pp.230-243
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    • 2011
  • In this modern digital era, there are very vigorous arguments about digital and media aesthetics throughout culture and art on the basis of new transferring of recognition about the art-media's characteristics. Therefore, this paper tries to discover the art-media's characteristics and aesthetic value that are included in contemporary digital fashion through studying the fusion between digital and fashion. The purpose of this research is to offer positive and evolutive opportunity of artistic thinking to make the meeting between fashion and media suggest the future generation, adaptation and recognition in the media - developmental environment that will be deeper and more fueling. In the area of research method, this paper takes the method of theoretical research by referring national and foreign literatures and preceding research-papers, and carries out investigation and analysis about digital fashion for the last 10 years. The results of this study; The art-media's characteristics of modern digital fashion are virtuality, immateriality and characteristics of multimedia. The aesthetic values can be classified with four kinds of properties. First is hybridity initiated from multi-media that creates works; the second is infinite reproductivity initiated from the characteristics of the multi media and the digital carrier. Thirdly, there is also interactivity appeared all over the area of production, adaptation and perception caused by non-linearity and immateriality. Finally there is synesthesia that can extend the capability of sense through digital media.

A Study on Digital Play Types of Virtuality through the Play Theory of Roger Caillois (로제카이와의 놀이론을 통한 가상성의 디지털 놀이 유형 연구)

  • Lee, Tae-Eun;Chung, Jean-Hun
    • Journal of Digital Convergence
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    • v.16 no.9
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    • pp.383-390
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    • 2018
  • The purpose of this study is to find out how the evolution of digital play in virtualization and digital play tools are combined with and stereotyping the properties of traditional play. Virtualization characteristics and play theory were examined and the case was derived in four types and analyzed in four play properties with Roser Cailliois. In the case of Agon, the targets of mutual competition are expanded to singular and plural, computer and oneself of the future, and Mimicry showed the ambiguity of the segments and boundaries crossing the on-off line boundary, and in the case of Alea, the diversity of accident occurrence by immediacy and simultaneity has been strengthened, and in the case of Ilinx, the maximization of immersion has been developed and experimented with a variety of techniques for the utilization of senses and tools and the virtuality for this. As a result, play is developing due to the tendency to expand and coexist in time and space by various fusion combinations.

A Case Study on Foreign Smart City (해외 스마트 시티 사례 연구)

  • Lee, Seong-Hoon
    • Journal of Digital Convergence
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    • v.12 no.4
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    • pp.305-310
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    • 2014
  • We called a current society the convergence generation. In information society, digital convergence means a service or new product which appeared through fusion of unit technologies in information and communication regions. The effects of convergence technologies and social phenomenons are visualized in overall regions of society such as economy, society, culture, etc. In 2011, The Government introduced "IT Convergence Technology Prediction Survey 2025". This report includes 10 ICT industries. In this paper, we described a smart city which was leading case in digital convergence and related with our life.

A Study on the Interactive acoustic Method of 3D(Three-dimensional)signage Image Contents on Multipurpose stage (공간상의 입체사이니지 영상 콘텐츠 연동형 음향연출기법 연구)

  • Park, Cheon-Il;Yang, Seungyoun;Cha, Jae-Sang
    • Journal of Satellite, Information and Communications
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    • v.12 no.1
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    • pp.107-113
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    • 2017
  • Recently, digital signage is various changes and converging media. It is common to exhibit and guide focusing on information transfer by using the display. Such a method can not express variously changing digital signage. Therefore, we have to find a way to solve the problem of place and structure. In this paper, we experimented the new direction technique. Finally, we are going to propose acoustic direction technique using a microphone to maximize digital signage and intention of delivery by adding an sound reinforcement method to the visual representation.

A Development of the Autonomous Driving System based on a Precise Digital Map (정밀 지도에 기반한 자율 주행 시스템 개발)

  • Kim, Byoung-Kwang;Lee, Cheol Ha;Kwon, Surim;Jung, Changyoung;Chun, Chang Hwan;Park, Min Woo;Na, Yongcheon
    • Journal of Auto-vehicle Safety Association
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    • v.9 no.2
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    • pp.6-12
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    • 2017
  • An autonomous driving system based on a precise digital map is developed. The system is implemented to the Hyundai's Tucsan fuel cell car, which has a camera, smart cruise control (SCC) and Blind spot detection (BSD) radars, 4-Layer LiDARs, and a standard GPS module. The precise digital map has various information such as lanes, speed bumps, crosswalks and land marks, etc. They can be distinguished as lane-level. The system fuses sensed data around the vehicle for localization and estimates the vehicle's location in the precise map. Objects around the vehicle are detected by the sensor fusion system. Collision threat assessment is performed by detecting dangerous vehicles on the precise map. When an obstacle is on the driving path, the system estimates time to collision and slow down the speed. The vehicle has driven autonomously in the Hyundai-Kia Namyang Research Center.

Real-Virtual Fusion Hologram Generation System using RGB-Depth Camera (RGB-Depth 카메라를 이용한 현실-가상 융합 홀로그램 생성 시스템)

  • Song, Joongseok;Park, Jungsik;Park, Hanhoon;Park, Jong-Il
    • Journal of Broadcast Engineering
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    • v.19 no.6
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    • pp.866-876
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    • 2014
  • Generating of digital hologram of video contents with computer graphics(CG) requires natural fusion of 3D information between real and virtual. In this paper, we propose the system which can fuse real-virtual 3D information naturally and fast generate the digital hologram of fused results using multiple-GPUs based computer-generated-hologram(CGH) computing part. The system calculates camera projection matrix of RGB-Depth camera, and estimates the 3D information of virtual object. The 3D information of virtual object from projection matrix and real space are transmitted to Z buffer, which can fuse the 3D information, naturally. The fused result in Z buffer is transmitted to multiple-GPUs based CGH computing part. In this part, the digital hologram of fused result can be calculated fast. In experiment, the 3D information of virtual object from proposed system has the mean relative error(MRE) about 0.5138% in relation to real 3D information. In other words, it has the about 99% high-accuracy. In addition, we verify that proposed system can fast generate the digital hologram of fused result by using multiple GPUs based CGH calculation.

Building Matching Analysis and New Building Update for the Integrated Use of the Digital Map and the Road Name Address Map (수치지도와 도로명주소지도의 통합 활용을 위한 건물 매칭 분석과 신규 건물 갱신)

  • Yeom, Jun Ho;Huh, Yong;Lee, Jeabin
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.32 no.5
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    • pp.459-467
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    • 2014
  • The importance of fusion and association using established spatial information has increased gradually with the production and supply of various spatial data by public institutions. The generation of necessary spatial information without field investigation and additional surveying can reduce time, labor, and financial costs. However, the study of the integration of the newly introduced road name address map with the digital map is very insufficient. Even though the use of the road name address map is encouraged for public works related to spatial information, the digital map is still widely used because it is the national basic map. Therefore, in this study, building matching and update were performed to associate the digital map with the road name address map. After geometric calibration using the block-based ICP (Iterative Closest Point) method, multi-scale corresponding pair searching with hierarchical clustering was applied to detect the multi-type match. The accuracy assessment showed that the proposed method is more than 95% accurate and the matched building layer of the two maps is useful for the integrated application and fusion. In addition, the use of the road name address map, which carries the latest and most frequently renewed data, enables cost-effective updating of new buildings.

3-D Modelling of Facility Using Digital Map and Aerial Photos (수치지도와 항공사진을 이용한 시설물 3차원 모델링)

  • 손홍규;최종현;김의명
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2003.10a
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    • pp.303-308
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    • 2003
  • Facility management system has been studied recently due to its increasing demand. As a starting step it is necessary to create 3-D shape of the facility. In this study, we attempted to create 3-D shape of the buildings by fusing the raster and vector information. the raster information comes from stereo aerial photographs and the vector information comes from the existing 2-D digital map. GPS surveying and data conversion using ACAD and ARCINFO also performed to extract building height from stereo aerial photographs. Finally we could be able to perform semi-automatic 3-D building modeling with fusion of two sources of information.

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