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이종욱(Jongwook Lee),이지형(JiHyung Lee),이지현(Jihyun Lee) 한국컴퓨터정보학회 2016 한국컴퓨터정보학회 학술발표논문집 Vol.24 No.1
전문적인 건축 정보가 제공되는 건축문화유산 콘텐츠를 위해서는 콘텐츠에서의 디지털 문화유산은 실재 문화유산의 구조 및 구성을 반영하여야 한다. 즉, 건축문화유산의 구성 요소인 부재를 기반으로 제작된 디지털 문화유산이 콘텐츠에서 제공되어야 한다. 본 연구에서는 XML기반의 건축문화유산 정보구조를 정의하고 이를 기반으로 한 콘텐츠 저작도구 및 체험 콘텐츠를 소개한다.
( Jongwook Oh ),( Jihee Kim ),( Young In Lee ),( Ju Hee Lee ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.2
Background: Treatment of Acne scars remains a therapeutic challenge with broad range of treatment options. Especially for the atrophic scars, ablative fractional laser has demonstrated its efficacy in various reports. Meanwhile, microneedle radiofrequency (RF) can allow a more selective microthermal zone of the dermis without epidermal damage. Objectives: The aim of this study was to analyze the effect and safety of combination treatment with AFL and microneedle RF in acnes and postacne scars. Methods: The photographs of 50 patients with acnes and post-acne scars who received microneedle RF treatments were retrospectively reviewed. The reduction in numbers of active acne lesions and postacne scars, overall improvement degrees were evaluated by two dependent dermatologists, and patients’ satisfaction levels were evaluated from the patients. Results: The active acne lesions, global improvement scale and patient satisfaction levels showed significant improvement in all treated patients, although there was no significant difference in these parameters between RF alone group and combination treatment group. However, the reductions of box scars and rolling scars showed significant improvement in the combination therapy group compared to the RF alone group. Conclusion: The combination treatment with AFL and microneedle RF therapy is effective in treatment of inflammatory acne lesions and postacne scars.
Energy efficient scheduling for downlink elastic traffic in wireless networks
Lee, Jongwook,Bahk, Saewoong John Wiley Sons, Ltd. 2010 WIRELESS COMMUNICATIONS AND MOBILE COMPUTING Vol.10 No.7
<P>In wireless networks, maximizing throughput and minimizing energy consumption are two conflicting objectives. For elastic traffic, it is the total completion time, not the delay constraint of a single packet or the short-term throughput requirement, that directly affects the quality-of-service (QoS). At the same time, the energy consumption should be minimized in order to prolong the battery lifetime of the mobile station (MS). In this paper, we propose energy efficient schedulers that consider throughput and energy saving simultaneously. Through extensive simulations, we compare the proposed schemes with the conventional scheme where a mobile terminal stays awake until all the pending packets are completely serviced. The simulation results show that our schemes outperform the conventional one in terms of utility, i.e., user satisfaction, which is defined as inversely proportional to the multiplication of weighted service completion time and energy consumption. Copyright © 2009 John Wiley & Sons, Ltd.</P> <B>Graphic Abstract</B> <P>For a mobile station which is downloading elastic traffic in a wireless network, it is shown that Best-pick sleep (BPS) scheme which is proposed in this paper is effective in performance by balancing between the throughput and energy saving. <img src='wiley_img_2010/15308669-2010-10-7-WCM803-gra001.gif' alt='wiley_img_2010/15308669-2010-10-7-WCM803-gra001'> </P>
Analysis and Suggestions of Digital Heritage Policy
Jongwook Lee(이종욱) 한국컴퓨터정보학회 2019 韓國컴퓨터情報學會論文誌 Vol.24 No.10
본 논문은 국내외 디지털 문화 활성화 정책을 4가지 유형으로 나누었다. 또한 각 정책의 대표적인 프로젝트를 설명하고 한계를 분석하였다. 마지막으로 이러한 한계점들을 극복 할 수 있는 솔루션을 제안하였다. 최근 5G 네트워크 기술, 증강현실 및 가상현실 기술의 발달로 인한 일상생활의 변화는 문화유산의 보존 및 활용 방식에 많은 변화를 가져 왔다. 특히, 디지털 기술은 문화유산의 디지털화, 디지털 데이터의 저장 및 관리, 문화유산의 디지털 복원, 시공간 및 다감각 체험을 가능하게 하였다. 이 연구는 국내 및 국제 디지털 유산 정책을 디지털 인프라 구축, 공유 및 커뮤니케이션 플랫폼 구축, 홍보 및 시범 콘텐츠 제작 지원 정책으로 나누었다. 이 연구는 디지털 유산 정책을 분류하고 디지털 유산 정책 동향 설명하고 개선점을 제안하는데 기여한다. In this paper, we divided domestic and foreign digital cultural activation policies into four types. We also described projects of each policy and analyzed the limitations of the policy. Finally, we suggested solutions to overcome these limitations. Changes in daily life caused by the recent development of 5G network technology, augmented reality, and virtual reality technology have brought many changes in the way of preservation and utilization of cultural heritage. In particular, digital technology is used for digitization of cultural heritage, storing, and managing digital data, digitally restoring cultural heritage, and enabling time, space, multi-sensory experiences. For this purpose, new policies was required to utilize this. This study divides domestic and international digital heritage policies into digital infrastructure construction, sharing and communication platform construction, public relations, and demonstration contents production support policies. This study is meaningful in classifying the fields of digital heritage policy and introducing digital heritage policy trends. It is also meaningful to suggest ways to improve digital heritage policies through analysis of domestic and foreign cases.