• Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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• 2010.04a
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• pp.259-261
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• 2010

This paper describes the results and possibility of continuous cadastral map compilation with digital camera image. A high quality serial cadastral map can be produced and work efficiency can be increased with using digital aero-photogrammetry when edge matching method could be used to match digital cadastral map.

• Proceedings of the IEEK Conference
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• 2006.06a
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• pp.737-738
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• 2006

This paper present a method of education configuration for U-learning. The proposed U-Learning configuration is more upgrade than earlier method. For the future, it is demanded that more advanced U-Learning systems and configuration toward to next generation education system, namely blended teaching and learning system.

• Digital Contents
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• no.11 s.126
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• pp.72-73
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• 2003

미취학 아동 대상의 교육용 웹 콘텐츠는 수없이 많다. 많은 교육 콘텐츠 개발업체 중에서 살아 남으려면 킬러 콘텐츠가 필요하다. 때문에 업체들을 킬러 콘텐츠를 개발하기 위해서 아이디어를 짜내고, 시장 조사를 통해 콘텐츠를 개발하고 시장에 내 놓는다. 하지만 수많은 콘텐츠 중 주목받는 몇몇을 제외하고는 소리없이 시장에서 사라지는 경우가 허다하다. 아이페이퍼즈는 e-비즈니스와 감성적 지식 사회를 창조하기 위해 디자인과 기술정보를 결합해 인간의 가치를 구현하는 휴먼웨어(Humanware)를 추구하는 회사로, 상호작용성을 고려한 새롭고 창조적인 다지인으로 디지털 멀티미디어 콘텐츠를 제공하는 기업이다. 주요 사업으로는 캐릭터 디자인, 교육용 콘텐츠 개발, 디지털 영상 편집, 웹 디자인 등이 있다.

• Proceedings of the Korea Contents Association Conference
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• 2019.05a
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• pp.365-366
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• 2019

3d 애니메이션 제작 기술의 발전은 시청자의 수요를 충족시키기 위해 다양한 방면에서 성장을 해오고 있는데 툰 쉐이딩 기술역시 빠른 발전을 거듭해오고 있다. 2019년 개봉한 스파이더맨 애니메이션은 마블과 DC코믹스의 그래픽 노블 애니메이션의 새로운 시각적 스타일을 제시하고 있다. 기존의 툰 쉐이딩 스타일에서 벗어나서 캐릭터 뿐 아니라 배경, 카메라, 애니메이션, 편집에 이르기까지 영화의 전 영역에서 그래픽 노블을 보는듯한 착각을 일으키게 한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2021.11a
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• pp.930-932
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• 2021

영상처리에서 데이터 증강(Data augmentation)은 단순히 사진을 편집하여 사진의 개수를 증강하는 것이다. 단순 데이터 증강은 동물의 반점이나 다양한 색깔을 반영하지 못하는 한계가 있다. 본 논문에서는 GAN을 통한 데이터 증강 기법을 제안한다. 제안하는 방법은 CycleGAN을 사용하여 GAN 이미지를 생성한 뒤, 데이터 증강을 거쳐 동물의 종 분류 정확도를 측정한다. 정확도 비교를 위해 일반 사진으로만 구성한 집단과 GAN 사진을 추가한 두 집단으로 나누었다. ResNet50을 사용하여 종 분류 정확도를 측정한다.

• Journal of Digital Contents Society
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• v.14 no.4
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• pp.481-491
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• 2013

This paper is introducing on a strategy of storytelling which is utilized as a core skill in developing cultural contents. The proposed storytelling method consists of three steps(planning, production, editing). The method of storytelling strategy is based on rhetoric metaphors and classifies rhetoric metaphors into three kinds of image metaphor, image personification and image simile. This thesis produced and studied 3 visual-image contents including 1 metaphor, 1 personification and 1 simile. As a result, visual-image contents can be a resonable method of the communicational act of visual-image contents with a rhetoric expression. This result will contribute to recognize the possibility of expressing visual-image contents by various figure. Recently, there are a lot of concernments on the expression by creative visual-image contents, but a theoretical study on creative idea for visual-image contents is insufficient. So, in the future, this thesis will be used for basic materials to express a creative visual-image contents, and also contribute to offering basic theories for visual-image contents study and teaching.

• The Journal of the Korea Contents Association
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• v.11 no.2
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• pp.1-12
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• 2011

Movie contents requiring multiple shootings in places need much man power and many equipments. It is more serious in the case of multiple simultaneous shootings. In the points of small broadcasting companies, it is more difficult to cope with the situation, but it is also an essential task for the variety of video contents. We propose an one-person movie production scheme based on an IP camera-based live webcasting system which makes multiple shootings in places possible. It consists of three main functions of (1) collecting multiple video streams sent from IP cameras installed in places, (2) properly distributing them to Internet, and (3) receiving and editing them including recording video. By using the proposed scheme, we can be able to remotely utilize a new framework of Single-Person/ Multiple-Camera which beyonds the conventional Single-Person/Single-Camera framework. It becomes possible to take multiple simultaneous shoots in places. We can get an advantage of saving man power and time for producing various movie contents.

• Journal of Digital Convergence
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• v.18 no.3
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• pp.311-316
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• 2020

is a mobile application based SNS video platform that launched its service in China in 2016. At the beginning of the service, TikTok is a music video content platform, and later, it evolved into a social platform that provides a wide variety of contents, and the process of creating, producing, and editing videos was easily provided. Since started its service, it has analyzed various social phenomena that have appeared to young people and the types and characteristics of video content popular in this app. The demand for vertical video content in the form of short clip is on the rise rapidly, which can be expected to improve the quality of video content in accordance with the development of mobile-based imaging technology. Useful for mobile based on the creative video producers through this study data are to be used to.

• Journal of Practical Engineering Education
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• v.14 no.2
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• pp.439-445
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• 2022

Due to the development of online media platforms and the COVID-19 incident, the mass production and consumption of digital video content are rapidly increasing. In order to select digital video content, users grasp it in a short time through thumbnails and teaser videos, and select and watch digital video content that suits them. It is very inconvenient to check all digital video contents produced around the world one by one and manually edit teaser videos for users to choose from. In this paper, keyframes are extracted based on YCbCr color models to automatically generate teaser videos, and keyframes extracted through clustering are optimized. Finally, we present a method of producing a teaser video to help users check digital video content by connecting the finally extracted keyframes.

• 전자공학회논문지 IE
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• v.43 no.4
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• pp.37-42
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• 2006

This paper proposes a adaptive video watermarking algorithm according to bitrate and motion vector size in MPEG2 system. The watermark strength in the I-frames is adapted for quantization step size and the strength in the P-B-frames is adapted for quantization step size and motion vector of macroblock to make the watermark more robust against the accompanying degradation due to aggressively compression. A realtime watermark extraction is done directly in the DCT domain during MPEG decoding without full decoding of MPEG video. The experimental simulations show that the video quality results almost invisible difference between the watermarked frames and the original frames and the watermark is resistant to frame dropping, MPEG compression, GoP conversion and low pass filter attacks.