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하이퍼로컬 미디어와 생활세계 재생산: <월간 옥이네> 사례 분석
정명진,김재영 한국언론정보학회 2024 한국언론정보학보 Vol.124 No.-
하이퍼로컬 미디어는 생활세계에 맞닿아 있다. 기존 미디어가 온전히 비추지 못한 일상생활을 조명하면서 ‘로컬 그 자체’에 집중한다. 이 연구는 하이퍼로컬 미디어의 전형인 <월간 옥이네>가 생활세계 재생산에 어떻게 관여하는지 파악하는 것을 목적으로 한다. 이를 위해 <월간 옥이네>를 매개로 한 미디어 실천 참여자를 심층인터뷰했다. 하버마스가 생활세계 재생산의 구조적 요소로 제시한 문화, 사회, 인성을 준거틀로 삼았다. 분석 결과, <월간 옥이네>는 기록, 내러티브, 미시적 접근 등의 방식으로 생활세계 재생산에 관여했다. 문화적 차원에서 사라져가는 기억을 기록해 의사소통을 위한 비축지식을 생산했다. 사회적 차원에서는 미시적 삶을 내러티브 방식으로 담아내고, 타인에 대한 이해를 바탕으로 관계를 맺게 하고 행위를 조정했다. 인성적 차원에서는 평범한 사람들에게 삶을 발화할 수 있는 경험을 제공하고, 지역에 대한 새로운 지식을 재생산해 생활세계의 지평을 넓혔다. 외면당했던 생활세계의 관점에서 바라보면 하이퍼로컬 미디어의 온전한 가치가 드러난다. 하이퍼로컬 미디어는 ‘지방소멸’ 담론으로부터 지역공동체의 안전지대를 구축하며, 생활세계의 든든한 지지자로서 공론장이라는 미디어의 본성을 일깨운다. Hyper-local media encounters the life-world. It centers on the ‘local itself’, illuminating everyday life. This study aims to understand how <Monthly Okine>, a hyper-local media, is involved in the reproduction of the life-world. To achieve this, in-depth interviews were conducted with participants who engage in media practices mediated by <Monthly Okine>. The framework for this study was based on Habermas's conceptualization of culture, society, and humanity as structural elements of the life-world. The results of the analysis revealed that <Monthly Okine> contributes to the reproduction of the life-world through archival, narrative, and micro approaches. At the cultural level, it records disappearing memories and provides a stored knowledge for communication. Socially, it captures micro-life in a narrative way, contributing to relationships and adjusting behavior based on an understanding of others. On the humanity level, it offers ordinary people experiences that articulate their lives and generates new knowledge about the local area. The full value of hyper-local media is revealed when viewed from the perspective of the life-world. Hyper-local media creates a safe zone for local communities from the discourse of ‘local extinction’, and reminds us of the media’s nature as a public sphere.
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CST-트리를 채택한 Mint 시스템을 이용한 멀티미디어 콘텐츠 검색 개선
정명진,조성제 (사)디지털산업정보학회 2013 디지털산업정보학회논문지 Vol.9 No.3
Multimedia contents’ searching methods in existing mobile computer environment tend to be brought with many over heads when attempting to search data in large bulks. The MINT system has been studied to resolve such problem. However, MINT system delivers many over heads by searching multimedia contents through applying B-Tree. The suggested method is said to be CST-MCR searching system based on CST-Tree. The specific characteristic of this method is improved MINT system by applying CST-Tree’s index. The result of capacity evaluation came out with improved capacity of 4.27% from MINT system and CST-MCR methods in average. Conclusively, it has been proven that the suggested method is superior.
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정명진,이광용,이병영,김혁주,임효근 대한영상의학회 2010 대한영상의학회지 Vol.62 No.6
Purpose: To establish recommendation criteria for the determination of patient dose for a plain chest radiography examination (PCR) by surveying the examination protocols for the performance of PCR, determining patient doses, and analyzing the relationship between these protocols and patient dose. Materials and Methods: We surveyed the examination protocols for the PCR of 95 radiography units in 82 institutes. We measured the patient dose as the surface entrance dose (SED) in these unites using an anthropomorphic phantom. We ultimately compared the results of the survey against several significant criteria. Results: The protocol for performing a PCR in Korea was 111 ± 17 kVp and 7.0 ± 6.7 mAs. The mean and median SED were 0.30 ± 0.27 mGy and 0.22 mGy, respectively. The third quartile value was 0.34 mGy, while the variability between the types of institutes and the average values of SED were 0.27 ± 0.17 mGy, 0.28 ± 0.29 mGy, and 0.34 ± 0.31 mGy for primary, secondary, and tertiary hospitals, respectively. The types of units include the average values of SED, which were 0.18 ± 0.11 mGy, 0.37 ± 0.28 mGy, and 0.32 ± 0.31 mGy for film/screen, CT, and digital radiography systems, respectively. Conclusion: The average patient dose during PCR in Korea was 0.30 mGy/exam. In perspective, the diagnostic reference level of patient dose for postero-anterior chest radiography was 0.34 mGy/exam. 목적: 환자방어의 최적화를 위하여 우리나라의 흉부엑스선검사 시 환자선량 실태를 측정하고 이로부터 환자선량 권고 수치를 확립하고자 하였다. 대상과 방법: 국내 각급 의료기관 82개소의 95개 흉부 엑스선 촬영장치를 대상으로 흉부엑스선 검사 시 촬영조건 및 진단영상정보를 수집하고 기관 표준 검사 조건을 원용한 검사법으로 인형 팬텀에 대한 입사선량을 측정하였다. 입사선량 중 상향 3/4 순위에 해당하는 선량을 환자 피폭선량 진단참고준위 권고 수치로 설정하였다. 결과: 대상 기관들이 흉부엑스선검사 시 사용하는 검사조건은 관전압 평균 111 ± 17 kVp, 관전류량 7.0 ± 6.7 mAs이었다. 해당 장비들로부터 흉부엑스선검사 시 환자가 받는 피폭선량은 입사선량 기준으로 평균 0.30 ± 0.27 mGy이었으며 제1사분위수 0.13 mGy, 제2사분위수 0.22 mGy 제3사분위수 0.34 mGy이었다. 의료기관 규모별 분류 시 1차 의료기관 평균 0.27 ± 0.17 mGy, 2차 의료기관 0.28 ± 0.29 mGy, 3차 의료기관 0.34 ± 0.31 mGy이었으며, 장비 종류별 분류 시 필름-스크린 시스템 0.18 ± 0.11 mGy, CT 0.37 ± 0.28 mGy, digital radiography 0.32 ± 0.31 mGy이었다. 결론: 우리나라 의료기관의 흉부엑스선검사 시 평균 환자선량은 후전면 촬영 1회당 0.30 mGy이며, 후전면 흉부엑스선검사 시 의료기관에 권고할 수 있는 환자 피폭선량 진단 참고준위 수치는 0.34 mGy이었다.
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Pisarenko Harmonic Decomposition에 의한 배경 뇌파 파워 스팩트럼 추정에 관한 연구
정명진,황수용,최갑석,Jeong, Myeong-Jin,Hwang, Su-Yong,Choe, Gap-Seok 대한의용생체공학회 1987 의공학회지 Vol.8 No.1
The power spectrum of background EEG is estimated by the Plsarenko Harmonic Decomposition with the stochastic process whlch consists of the nonhamonic sinus Bid and the white nosie. The estimation results are examined and compared with the results from the maximum entropy spectral extimation, and the optimal order of this from the maximum entropy spectral extimation, and the optimal order of this model can be determined from the eigen value's fluctuation of autocorrelation of background EEG. From the comparing results, this method is possible to estimate the power spectrum of background EEG.
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정명진,전병율 대한의사협회 2021 대한의사협회지 Vol.64 No.10
Background: Cancer has been the leading cause of death in Korea for more than 40 years. As the aging population in the country increases, this trend is expected to continue. Cancer care is also being subdivided into specialties according to the development of medical technology. This division of care has made it difficult for a single physician to set up a complete cancer treatment plan. As a result, the call for multidisciplinary care has risen. Multidisciplinary cancer care allows physicians to share opinions and choose optimal patient treatment plans across multiple specialties. In August 2014, the Ministry of Health and Welfare designated a set number of approved multidisciplinary treatments and has included them under its health insurance coverage. As a result, multidisciplinary care is rapidly increasing. Current Concepts: An analysis on cancer care was conducted from 2014 to 2018, which examined the average medical expenses, hospitalization costs, and surgery costs per person according to therapeutic modality. Findings showed that multidisciplinary care decreased the overall cost of medical care in cancer patients compared to segmented care provided by single specialty physicians. Discussion and Conclusion: This study predicted that multidisciplinary care would be effective in reducing medical expenses. Cancer patients do not need to be treated by individual subspecialty physicians when personalized care treatment plans through a multidisciplinary approach is possible. The results of this study show that the Korean government should expand health insurance premium support and coverage for multidisciplinary cancer care
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