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Treatment Options for Patients With Mild-to-Moderate Coronavirus Disease 2019 in Korea
Jeon Jaehyun,Chin BumSik 대한의학회 2022 Journal of Korean medical science Vol.37 No.48
The coronavirus disease 2019 (COVID-19) continues to threaten public health in Korea although several surges have passed in the past 3 years since 2019. Although patients with mild-to-moderate COVID-19 can usually recover at home, antiviral therapy to prevent disease progression and hospitalization is beneficial for those at high risk of progressing to severe COVID-19. The purpose of this article was to review how antivirals have been rolled out for the treatment of COVID-19 and how domestic and international guidelines for their use have evolved. Several evidence-based treatment guidelines have been developed in Korea, including those derived from domestic studies. Although many different antiviral agents were nominated as promising therapeutics at the onset of the pandemic, most failed to show efficacy in clinical trials. Currently, three types of antiviral agents—nirmatrelvir-ritonavir, molnupiravir, and remdesivir—are available in Korea to treat severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Each antiviral has its advantages and disadvantages. For most individuals, nirmatrelvir/ritonavir is preferred because of its high efficacy and convenience of administration. When serious drug interactions occur or are expected with nirmatrelvir/ritonavir administration, 3 days of remdesivir treatment is shown to be a reasonable alternative. Molnupiravir may be prescribed with caution only if no other therapeutic options are available or acceptable.
전재현(JaeHyun Jeon),김세민(Semin Kim),민현석(Hyunseok Min),노용만(Yong Man Ro),한승완(Seungwan han),최병철(Byeongcheol Choi) 한국멀티미디어학회 2010 한국멀티미디어학회 학술발표논문집 Vol.2010 No.2
최근 인터넷과 같은 정보 공간의 확산으로 영상의 유통 및 소비 시스템이 급격히 변화하면서 영상의 양적성장이 가속화되고 접근 또한 용이해졌다. 이에 따라 유해 비디오의 분류 및 차단 기술이 중요한 문제가 되었다. 이러한 문제를 해결하기 위해 여러 연구자들이 유해 비디오 분류 및 차단 기술에 대하여 연구하고 있다. 기존의 연구에서는 유해 이미지 검출에서 사용되던 비주얼 (visual) 정보에 추가적으로 비디오에서 얻어지는 모션 정보와 오디오 정보들을 이용하고 있다. 기존 연구에서는 유해 비디오에서 유해 액션들을 구분하지 않고 유해 비디오 여부만 판단하는데 연구의 초점을 두었다. 본 논문에서는 유해 비디오에서 많이 관측되는 유해 동작들을 정의하고, 유해 동작들을 검출하는데 이용되는 모션 정보들을 분석해 보고자 한다.
Jaehyun Im,Jaehwan Jeon,Hayes, M. H.,Joonki Paik IEEE 2011 IEEE transactions on consumer electronics Vol.57 No.4
<P>In this paper, we present a novel high dynamic range (HDR) imaging method using a single image. The existing multiple image-based HDR methods work only on condition that there is no camera and object movement when acquiring multiple, differently exposed low dynamic range (LDR) images. To overcome such an unrealistic restriction, we make three LDR images from a single input image using local histogram stretching. An edge-preserving spatially adaptive denoising method is also proposed to suppress the noise that is amplified in the histogram stretching process. Because the proposed method self-generates three histogram-stretched LDR images from a single input image, ghost artifacts that are the result of the relative motion between the camera and objects during exposure time, are inherently removed. Therefore, the proposed method can be applied to mobile imaging devices such as a mobile phone camera and a consumer compact camera to provide the ghost artifacts free HDR function in the form of either embedded or post-processing software.</P>
Park, Jaehyun,Jeon, Byongtae,Kang, Sungki,Oh, Mirae,Kim, Myonghwa,Jang, Seyoung,Park, Pyojam,Kim, Sangwoo,Moon, Sangho Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.9
This study was conducted to investigate changes in blood enzyme parameters and to evaluate the relationship between insulin-like growth factor-1 (IGF-1), antler growth and body weight during the antler growth of sika deer (Cervus nippon). Serum enzyme activity and IGF-1 concentrations were measured in blood samples collected from the jugular and femoral veins at regular intervals during the antler growth period. Blood samples were taken in the morning from fasted stags (n = 12) which were healthy and showed no clinical signs of disease. Alfalfa was available ad libitum and concentrates were given at 1% of body weight to all stags. The experimental diet was provided at 9 am with water available at all times. There were no significant differences in alkaline phosphatase, aspartate aminotransferase, and alanine aminotransferase during antler growth, but alkaline phosphatase concentrations increased with antler growth progression, and the highest alkaline phosphatase concentration was obtained 55 days after antler casting. Serum IGF-1 concentrations measured from blood samples taken from the jugular vein during antler growth, determined that levels of IGF-1 was associated with body weight and antler growth patterns. Serum IGF-1 concentrations were higher at the antler cutting date than other sampling dates. Antler length increased significantly during antler growth (p<0.001), and there was a similar trend to between right and left beams. Body weight increased with antler growth but was not significant. Consequently it appeared that serum alkaline phosphatase concentration was related to antler growth and both antler growth and body weight were associated positively with IGF-1 concentrations during antler growth.