• 복식
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• 제67권3호
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• pp.115-132
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• 2017

This study recognizes the importance of the social network platform as a new fashion media, and analyzes the significance of various digital fashion images, based on the 'Aura' theory of Walter Benjamin. The concept of "Disappearance of Artistic Aura" can be summarized into three discussions: 1) the change in the way of artistic perception, which is changes in value from worship to exhibition. 2) the change in the way of artistic acceptance, from personal to mass. 3) the emergence of new artistic concepts such as camera and film. By reviewing characteristics of the $21^{st}$ digital replication era, the study tried to discover and evaluate the expanded significance of the 'Aura' represented on digital fashion images, which are infinitely generated, modified, reproduced, transmitted, and shared in social network environments. The 'Burberry Instagram' was chosen as the subject of the study. The study reviewed around 2,500 images, which were uploaded from February 2011 to July 2016, and selected 200 images deemed the most representative of Burberry, and categorized and analyzed by the extended concept of 'Aura'. The study results as follows: First, the 'Aura' in digital fashion image appearing on social network platforms signifies the expansion of product value in fashion, and it also represents inherited traditions and modernization of images. Second, it also signifies the democratization and globalization of fashion through the open replication and sharing as well as the interaction of criticism and acceptance. Third, it signifies the personalized taste and fashion as everyday lifestyle, through personalized services, securing playful space, and real-time updates.

• 한국산학기술학회논문지
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• 제19권2호
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• pp.238-246
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• 2018

최근 3D 디지털 렌더링 및 CGI 소프트웨어의 급격한 발전으로 디지털 렌더링 이미지에서 매우 사실적인 포토리얼리즘의 구현이 가능해졌다. 건축 시각화 분야는 영화, 게임, 가상현실 등 다른 디지털 렌더링이 응용되는 분야의 기반 환경을 창조하는 역할을 하므로 디지털 건축 렌더링 이미지의 포토리얼리즘에 관한 심도 갚은 논의가 필요한 상황이다. 이에 본 연구는 건축 시각화 분야에서 디지털 렌더링 이미지의 포토리얼리즘을 구현하기 위한 원칙을 정립하고 세부 요소들을 분석하였다. 이를 위하여 기존의 선행 연구를 이론적으로 분석하여 서로간의 상관관계를 밝히고 이후의 신기술을 이용한 건축 렌더링 이미지로부터 포토리얼리즘의 4가지 원칙(물리적으로 정확한 빛의 계산, 정확한 오브젝트 형상의 재현, 사실적인 재질과 텍스쳐의 표현, 사진에 나타나는 카메라의 특성 재현)을 도출하였다. 이 원칙들의 세부 항목들을 포토리얼리즘을 구현하기 위한 필수적인 요소들과 아티스트의 판단에 따라 취사선택이 가능한 요소로 분류하였으며, 선택적 요소들은 무작위성과 관련이 깊으며 이것이 포토리얼리스틱 건축 렌더링의 다양한 스타일을 결정하는 원인임을 고찰하였다.

• 대한디지털의료영상학회논문지
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• 제16권1호
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• pp.1-5
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• 2014

This study is about efficiency export and import of medical images According to the Type of Compression. PACS to be used in many hospitals and medical images export is growing more and more because cheaper and good usability than film system. Thereby export department takes a lot of time, which may cause the patient discomfort. Compression images takes less time for images export, import than nocompression images. therefore, if no significant problems clinicians to view the images, this is one method to compressed images export for reduce the time and it will provide less cost and shorter time for patient.

• 대한전기학회논문지:시스템및제어부문D
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• 제54권9호
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• pp.559-566
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• 2005

An effective do-blurring algorithm is proposed to remove the blur of the even and the odd line images of the interlaced scan type camera. n the object or the camera moves fast while the interlaced scan type digital camera is acquiring images, blur is often created due to the misalignment between two images of even and odd lines. In this paper, the blurred original image is separated into the even and the odd line images of the half size. Two full sized images are generated using interpolation technique based on these two in ages. Again, these images are signed and combined through the processes of feature extraction, matching, sub-pixel matching, outlier removal, and mosaicking. De-blurring simulations about the images of different camera motions have been done.

• 대한치과교정학회지
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• 제42권4호
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• pp.169-181
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• 2012

Objective: The purpose of this study was to develop superimposition method on the lower arch using 3-dimensional (3D) cone beam computed tomography (CBCT) images and orthodontic 3D digital modeling. Methods: Integrated 3D CBCT images were acquired by substituting the dental portion of 3D CBCT images with precise dental images of an orthodontic 3D digital model. Images were acquired before and after treatment. For the superimposition, 2 superimposition methods were designed. Surface superimposition was based on the basal bone structure of the mandible by surface-to-surface matching (best-fit method). Plane superimposition was based on anatomical structures (mental and lingual foramen). For the evaluation, 10 landmarks including teeth and anatomic structures were assigned, and 30 times of superimpositions and measurements were performed to determine the more reproducible and reliable method. Results: All landmarks demonstrated that the surface superimposition method produced relatively more consistent coordinate values. The mean distances of measured landmarks values from the means were statistically significantly lower with the surface superimpositions method. Conclusions: Between the 2 superimposition methods designed for the evaluation of 3D changes in the lower arch, surface superimposition was the simpler, more reproducible, reliable method.

• International Journal of Internet, Broadcasting and Communication
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• 제16권1호
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• pp.99-105
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• 2024

Runway released an updated version, Gen-2, in March 2023, which introduced new features that are different from Gen-1: it can convert text and images into videos, or convert text and images together into video images based on text instructions. This update will be officially open to the public in June 2023, so more people can enjoy and use their creativity. With this new feature, users can easily transform text and images into impressive video creations. However, as with all new technologies, comes the instability of AI, which also affects the results generated by Runway. This article verifies the feasibility of using Runway to generate the desired video from several aspects through personal practice. In practice, I discovered Runway generation problems and propose improvement methods to find ways to improve the accuracy of Runway generation. And found that although the instability of AI is a factor that needs attention, through careful adjustment and testing, users can still make full use of this feature and create stunning video works. This update marks the beginning of a more innovative and diverse future for the digital creative field.

• 한국측량학회:학술대회논문집
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• 한국측량학회 2004년도 춘계학술발표회논문집
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• pp.183-195
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• 2004

Photogrammetry is one of the most important sources of GIS application. Nowadays, color photos are used and camera is integrated with GPS/INS sensors. However the photos are still taken from analogue camera and scanned for digital image. For the convenient and accurate image application especially for 3D, airborne digital camera images is essential. In this paper, digital image calibration process with GPS/INS and its accuracy evaluation was presented.

• 지구물리
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• 제9권1호
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• pp.21-25
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• 2006

Aerial photo process with digital camera has some benefits. It is fast and simple by digital way incomparison with aerial photo based on film. Also it works with GPS/INS device to do direct geo-referencing. Sdata and digital map and GCP is produced. In base on it, ortho images are produced and compared with surveying data.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2003년도 Proceedings of ACRS 2003 ISRS
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• pp.1264-1267
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• 2003

To protect the digital image, video and audio from non-authorized use, the digital watermarking technology has received a great attention in the field of multimedia in recent years . An overview of the development of watermark techniques is given in the current paper followed by a discussion of potential application of spatial domain, transform domain watermark techniques in remote sensing images copyright protection and verification in different forms of processed images.

• 대한전자공학회논문지SP
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• 제48권3호
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• pp.30-41
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• 2011

산란선을 흡수하여 보다 선명한 x선 영상을 얻기 위하여 산란방지 그리드를 사용하여 투사영상을 얻는데, 이때 그리드로 인한 왜곡이 발생한다. 본 논문에서는 회전된 그리드를 사용하여 그리드 왜곡의 제거가 용이하도록 x선 디지털 영상을 얻는 방법에 있어서 기존의 왜곡 성분의 중심주파수를 가장자리로 보내는 경우를 보다 심도 있게 분석하여 확장된 결과를 도출하였으며, min-max 개념에서 주어진 그리드 밀도에 대하여 최적화하는 방법을 제시하였다. 또한 실질적으로 사용가능한 그리드 밀도에 대하여 적절한 그리드 각도를 제시하고 그러한 그리드를 사용하여 획득한 x선 디지털 영상에서 그리드 왜곡이 용이한 알고리듬을 제안하고 그 성능을 비교해보았는데, 원영상의 해상도를 어느 정도 유지하면서 그리드 왜곡을 줄일 수 있었다.