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점진적 앉은 자세에서의 PNF운동이 소뇌 손상환자의 동적 균형능력에 미치는 효과 -단일 사례 연구-
김대경,나은진,문상현,Kim, Dae-Kyeong,Na, Eun-Jin,Moon, Sang-Hyun 대한고유수용성신경근촉진법학회 2016 PNF and Movement Vol.14 No.2
Purpose: The purpose of this study was to investigate the effects of using proprioceptive neuromuscular facilitation (PNF) exercise in the progressive sitting position on the dynamic balance ability of a patient with a cerebellar injury. Methods: The subject had ataxia due to cerebellar injury. The subject participated in a PNF bilateral scapular pattern exercise with stabilizing reversal technique during a progressive sitting position session as well as baseline for 20 minutes a day for 4 weeks. In the first session, PNF exercises were performed at a height of 40 cm for 10 minutes, and in the second session they were performed at 50 cm for 10 minutes from a lower center of gravity (COG) to a higher COG sitting position. We used the Berg Balance Scale (BBS), Five-Times-Sit-to-Stand Test (FTSST), and the Timed Up and Go Test (TUGT) to measure the subject's dynamic balance ability every two days through the entire session. Results: After participating in the program, the subject's dynamic balance ability improved compared to the first baseline, as measured by BBS (2 points increased), FTSST (5.3 sec decreased), and TUGT (2 sec decreased). The increase was also maintained in the second baseline session. Conclusion: PNF exercise using bilateral scapula patterns with a stabilizing reversal technique helps to enhance the dynamic balance ability of a cerebellar injury patient.
디지털 멀티미디어 컨텐츠 불법 사용 차단을 위한 스테가노그라피 연구
김대경 ( Dae-kyeong Kim ),이상순 ( Sang-soon Lee ),이병수 ( Byung-soo Lee ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.1
본 연구는 디지털 멀티미디어 컨텐츠에 대한 불법 사용 차단 및 저작권 보호 기술에 대한 연구이다. 본 연구 주제와 관련해서 스테가노그라피 기술 자체에 대한 연구와 저작권을 위한 워터마킹 기술, 정당한 수신자의 권리를 위한 스크램블링 연구로 나뉜다. 본 논문은 저작권 증명, 원본 증명, 정보 추출, 정보 은닉을 위해 활용되어질 수 있는 스테가노그라피 기술을 다룬다.
동적 내비게이션 링크로서의 태그 클라우드 아키텍처에 관한 연구
김대경(Dae-Kyeong Kim),이병수(Byung-Soo Lee),김창복(Chang-Bok Kim) 한국정보기술학회 2011 한국정보기술학회논문지 Vol.9 No.8
There is an increasing interest in Tag Cloud as a recent effective dynamic navigation link. The tag is easy to access and plays a key role to recommend unlimited tags through folksonomy. Adding tags is a simple act for the users of Tag Cloud but it is processed very complicatedly because tag addition, renewal and recommendation require massive amount of calculation within the server. Therefore, this paper is contributed to the effective process for users based on architecture study on Tag Cloud as a dynamic navigation link. So architecture study is very important for calculation processing within the server in addition to algorithm. From the study, Tag Cloud as an important navigation should have a good chance for a business model forward, not just once the trend.
응용 및 융합 기술 : CORS 기반 필터를 이용한 NCS 학습모듈 제공 시스템
김대경 ( Dae Kyeong Kim ),나승철 ( Seung Cheul Na ),김창복 ( Chang Bok Kim ) 한국항행학회 2015 韓國航行學會論文誌 Vol.19 No.2
본 연구는 수시로 변경 및 갱신되는 국가 직무능력 표준 (NCS; national competency standards) 학습모듈을 제공하는 시스템을 제안하였다. 제안 시스템의 프로비저닝(provisioning)서버는 학습모듈을 제공하며, 관리서버는 장애관리, 빌링, 요청관리, 통계 및 집계등을 수행하며, 타겟서버는 도메인을 통하여 프로비저닝서버에 학습모듈을 요청한다. 제안 시스템은 프로비저닝서버와 타겟 서버의 도메인 일치 여부를 판단하는 CORS (cross-origin resource sharing) 기반 필터를 이용하여, 학습모듈의 제공을 결정하였다. 제안 시스템은 신규 갱신 또는 삭제되는 NCS기반 학습모듈에 대해 원격으로 패치 및 유지 보수할 수 있다. 또한, 기존 교육 관련 시스템과 연계하여 콘텐츠를 제공할 수 있으며, 타겟서버 도메인에 대한 관리가 가능하여 향후 확장기능을 도입하여 활용할 수 있다. This paper proposed system for providing the national competency standards learning module, which has changed and updated from time to time. The provisioning server of the proposed system provides learning module, and the management server carry out fault management, billing, request management, statistics and aggregate, etc, and the target server requests the learning module in the provisioning server through the domain. The proposed system determines provide of the learning module by CORS based on filter, which is to determine whether matches or not with domain of the provisioning server and the target server. The proposed system can be patch and maintenance remotely about NCS based learning module to be new update and removed. Also, the proposed system may provide contents in conjunction with existing educational systems, and may be extended in the future to enable the management for domain of the target server.
주문․예약 분할 시스템 최적화를 위한 큐잉 알고리즘 모델링 연구
김대경(Dae-Kyeong Kim),이병수(Byung-Soo Lee) 한국정보기술학회 2010 한국정보기술학회논문지 Vol.8 No.10
Buy. Book Order fulfillment process is essential in the supply chain part. However, for order fulfillment process in an effort to apply the queuing theory and queuing algorithms for modeling study did not actively than in other areas. Therefore, the limited resources allocated for this study, the problem effectively modeled as a queuing system for an explanation of how the orders based on rules Kendall. In this study, G/G/c/K/PR model in the scheduling policies may be biased against the queuing system, input and output clusters divided into rings and PQ/WFQ (Priority Queue/Weight Fair Queue) through a weighted the priority queuing model based on process-based queuing system, scheduling policy for a couple of fairness would acquire.
모바일 앱을 이용한 인쇄물의 위변조 검증 아키텍처에 관한 연구
김대경(Dae-Kyeong Kim),도경모(Kyeong-Mo Do),김창복(Chang-Bok Kim) 한국정보기술학회 2013 한국정보기술학회논문지 Vol.11 No.11
Current forgery prevention technologies are mostly the studies regarding methods of matching the original copy to the printed matters. And studies on a verification of the printed matters and its popularization are in need of progress. This paper proposed an architecture, for the sake of popularizing it, which uses a real-time verification with NFC method of mobile device. Proposed architecture is composed of passive tag, android application of mobile device, verification server and GCM push server. Passive tag stores encrypted information in the printed matters, android application reads encrypted information and sends it, showing the result of the process. And verification server as well as GCM push server sends the result of verification to an application through push message. Proposed architecture could allow the users to verify the forgery of printed matters through their mobile device without the need of any exclusive image input device and software for verification.
R과 Shiny를 이용한 NCS 능력단위와 교육과정의 갭 분석을 위한 인터렉티브 평가모델
김대경(Dae-Kyeong Kim),김창복(Chang-Bok Kim) 한국정보기술학회 2015 한국정보기술학회논문지 Vol.13 No.10
The NCS(National Competency Standards) standardize specific competency by competence unit. The education and training institutions make use of the NCS through a gap analysis based on subjects drawn on curriculum development. The existing automated evaluation model may be raised reliability problems due to the Hangul processing. This paper proposed evaluation model for gab analysis using statistical analysis and graphics capabilities of R and web interactive capabilities of shiny package. The proposal evaluation model was effectively extracted nouns in evaluation document, and was granted term weight with TF(Term Frequency)-IDF(Inverse Document Frequency), and was extracted document similarity with cosine similarity algorism. The evaluation model can analyze document-term matrix, wordcloud, cluster analysis, word association and so on with web interface. The evaluation model is possible effective index term extraction, and intuitive and objective evaluation of gab analysis then existing automation evaluation model.
고유수용성 신경근 촉진법이 편마비 환자의 균형에 미치는 영향 -율동적 안정화와 등장성 수축 결합기법을 중심으로-
이현옥,김대경,류시구,신재욱,이민형,이보경,Lee, Hyun-Ok,Kim, Dae-Kyeong,Ryu, Si-Goo,Shin, Jae-Wook,Lee, Min-Hyung,Lee, Bo-Kyoung 대한고유수용성신경근촉진법학회 2007 PNF and Movement Vol.5 No.2
Purpose : The purpose of this study was to examine the effects of Rhythmic Stabilization(RS) and Combination of Isotonic(CI) of Proprioceptive Neuromuscular Facilitation on balance in patients with hemiplegia. Methods : Ten patients with hemiplegia were trained with RS and CI for six weeks. Two Standard Scale(TSS), Functional Reach Test(FRT), Time Up and Go test(TUG) and Berg Balance Scale(BBS) were used to prove their improvement of balance. Results : Body weight bearing decreased on less affected side and increased on more affected side. Distance of forward reaching for FRT increased. Time for TUG decreased. BBS score increased. They all showed significant difference. Conclusion : This study suggests that balance training with RS and CI of Proprioceptive Neuromuscular Facilitation improved balance in patients with hemiplegia.