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Jang, Soobin,Kim, Kyeong Han,Sun, Seung-Ho,Go, Ho-Yeon,Lee, Eun-Kyung,Jang, Bo-Hyoung,Shin, Yong-Cheol,Ko, Seong-Gyu Hindawi 2017 Evidence-based Complementary and Alternative Medic Vol.2017 No.-
<P><I>Background.</I> This survey aimed to investigate the characteristics of users and nonusers of herbal medicine and the adverse events experienced due to herbal medicines in South Korea.<I> Methods.</I> The questionnaire consisted of safety, using experience, using type, usage and nonusage reason, purchase location, and adverse events of herbal medicine. The survey was administered by online.<I> Results.</I> Of the total 1,134 respondents, 726 (64.0%) considered herbal medicine safe, and 693 (61.1%) answered that they have taken herbal medicines within the past year. Most common place to purchase them was “TKM hospital or clinic” (63.6%), and most participants (72.2%) took a decoction from a TKM institution. The biggest reason for taking them was for “health improvement” (57.3%), and the reasons for not using them was “medication not necessary” (63.7%). Among those who took herbal medicines, 46 experienced adverse events, and the most frequently reported symptoms were digestive disorders (52.2%). Of the 46 participants who experienced adverse events, 20 (43.5%) were treated by TKM doctors.<I> Conclusions.</I> This study suggests that regulation of herbal medicines is needed in order to resolve problems related to the safety of herbal medicines. </P>
Development of questionnaire for metabolic disease with blood stasis: A Delphi survey
Jang, Soobin,Kang, Byung-Gab,Ko, Mi-Mi,Jung, Jeeyoun Society of Preventive Korean Medicine 2018 대한예방한의학회지 Vol.22 No.3
Objectives : The aim of this study was to investigate expert opinions on the questions contained in a questionnaire for diagnosing blood stasis accompanying metabolic disorders. Methods : Two rounds of Delphi survey were conducted online targeting on one hundred Korean medicine doctors. Respondents rated the appropriateness of the 30 questions in diagnosing metabolic disorder on a five-point scale, anchored at '5 = very appropriate', '4 = appropriate', '3 = somewhat appropriate', '2 = inappropriate', and '1 = very inappropriate'. Results : The mean score on 30 questions of first and second Delphi survey was 3.26 points and 3.31 points, respectively. The ranking of the top 10 questions that were rated as appropriate for diagnosing blood stasis accompanying metabolic disorder were 'sublingual varices', 'reddish black tongue', 'reddish black gum', 'reddish black lips', ''dark purple palatal mucosa and venous edema', 'night pain, 'ecchymosis of the tongue', 'piercing pain', 'ecchymosis of the skin' and 'prolonged numbness'. Conclusions : The experts agreed that three of the most typical symptoms of blood stasis and the conditions of capillary vessels in the tongue or the oral cavity were highly associated with metabolic disorder, whereas the questions related to abdominal pain lacked an association with metabolic disorders.
Jang, Soobin,Jang, Bo-Hyoung,Ko, Youme,Sasaki, Yui,Park, Jeong-Su,Hwang, Eui-Hyoung,Song, Yun-Kyung,Shin, Yong-Cheol,Ko, Seong-Gyu Hindawi Publishing Corporation 2016 Evidence-based Complementary and Alternative Medic Vol.2016 No.-
<P><I>Objective</I>. The aim of this systematic review is to evaluate the efficacy and safety of herbal medicines in the management of metabolic syndrome.<I> Materials and Methods</I>. On December 9, 2015, we searched PubMed, EMBASE, Cochrane Library, SCOPUS, AMED, CNKI, KoreaMed, KMBASE, OASIS, and J-STAGE with no restriction on language or published year. We selected randomized controlled trials that involved patients with metabolic syndrome being treated with herbal medicines as intervention. The main keywords were “Chinese herbal medicines”, “metabolic syndrome”, and “randomized controlled trials”. Herbal substances which were not based on East Asian medical theory, combination therapy with western medicines, and concurrent diseases other than metabolic syndrome were excluded. The risk of bias was assessed by Cochrane's “Risk of Bias” tool. The protocol or review was registered in PROSPERO (an international prospective register of systematic reviews) (CRD42014006842).<I> Results</I>. From 1,098 articles, 12 RCTs were included in this review: five trials studied herbal medicines versus a placebo or no treatment, and seven trials studied herbal medicines versus western medicines. Herbal medicines were effective on decreasing waist circumference, blood glucose, blood lipids, and blood pressure.<I> Conclusion</I>. This study suggests the possibility that herbal medicines can be complementary and alternative medicines for metabolic syndrome.</P>
데이터의 이해에서 시각화 매체가 정신 노동량에 미치는 영향
임수빈(Soobin Yim),윤찬영(Chanyoung Yoon),유상봉(Sangbong Yoo),장윤(Yun Jang) 한국HCI학회 2021 한국HCI학회 학술대회 Vol.2021 No.1
데이터 시각화는 데이터의 패턴을 발견하여 이해할 수 있게 도와준다. 복잡성이 높은 다차원 데이터의 분석에서 가상현실과 같은 실감형(immersive) 매체는 분석가에게 더 높은 통찰력을 제공해 주기도 한다. 하지만, 아직까지 데이터 시각화 및 분석에서 시각화 매체에 의한 영향을 분석한 연구를 찾기 어렵다. 또한 시각화 매체 평가는 별도의 정량적인 평가 척도가 없기에 설문지로 주관적인 평가를 사용하는 경우가 많다. 본 연구에서는 가상현실과 데스크톱 환경을 비교해 사용자가 주어진 시각화에서 문제 해결을 할 때 매체가 미치는 이점을 다룬다. 우리는 Unity를 사용해 시각화를 생성한 후 EMOTIV EPOC+를 통해 뇌파를 수집한다. 사용자의 뇌파로부터 정신적 작업량 지수를 산출해 사용자의 정신 노동량을 추정한다.
고속 HEVC 부호화를 위한 효율적인 PU레벨 움직임예측 병렬화 구현
박수빈(Soobin Park),최기호(Kiho Choi),박상효(Sang-hyo Park),장의선(Euee Seon Jang) 한국방송·미디어공학회 2013 방송공학회논문지 Vol.18 No.2
In this paper, we propose an efficient parallelization technique of PU-level motion estimation (ME) in the next generation video coding standard, high efficiency video coding (HEVC) to reduce the time complexity of video encoding. It is difficult to encode video in real-time because ME has significant complexity (i.e., 80 percent at the encoder). In order to solve this problem, various techniques have been studied, and among them is the parallelization, which is carefully concerned in algorithm-level ME design. In this regard, merge estimation method using merge estimation region (MER) that enables ME to be designed in parallel has been proposed; but, parallel ME based on MER has still unconsidered problems to be implemented ideally in HEVC test model (HM). Therefore, we propose two strategies to implement stable parallel ME using MER in HM. Through experimental results, the excellence of our proposed methods is shown; the encoding time using the proposed method is reduced by 25.64 percent on average of that of HM which uses sequential ME.
고속 HEVC 부호화를 위한 효율적인 PU 레벨 움직임예측 병렬화 구현 기법
박수빈(Soobin Park),최기호(Kiho Choi),박상효(Sanghyo Park),장의선(Eueeseon Jang) 한국방송·미디어공학회 2012 한국방송공학회 학술발표대회 논문집 Vol.2012 No.11
본 논문에서는 차세대 비디오 표준인 High Efficiency Video Coding(HEVC)의 영상 부호화 과정의 시간복잡도 감소를 위한 효율적인 Prediction Unit(PU)레벨 움직임예측(Motion Estimation, ME) 병렬화의 구현기법을 제시하고자 한다. 움직임예측 과정은 부호화기에서 80%의 복잡도를 차지하는 과정으로 고속 부호화의 걸림돌이 되고 있다. 이를 해결하기 위한 방법으로 제안된 것이 움직임예측 알고리즘의 병렬화이다. 알고리즘 수준에서 ME 의 일부인 Merge Estimation 의 병렬화를 위해서 Merge Estimation Region (MER)기반의 ME 방법이 제안되었다. 하지만 HEVC Test Model reference software(HM)에 반영된 MER 을 이용하여 실제로 병렬화된 ME 를 구현하는 과정에서는 알고리즘 측면에서 아직 고려되지 않은 문제들이 존재한다. 이에 본 논문에서는 MER 을 사용한 안정적인 병렬 ME 를 구현하기 위한 전략으로 각 PU 의 정보를 독립적으로 사용하기 위한 부분 순차화 방법과 메모리 접근제한을 이용한 병렬화 방법을 제시한다. 실험을 통해 본 연구의 우수성이 확인되었는데, 제안된 방법에 기반을 둔 구현에서 순차적인 ME 를 이용한 부호화기 대비 평균 25.64%의 전체 부호화 과정 시간의 감소가 나타났다.