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조현상,김성은,유준일 한국정보과학회 2022 정보과학회 컴퓨팅의 실제 논문지 Vol.28 No.9
Walking and running is the most basic human behavior, and the gait analysis information has been helpful in health management and disease monitoring. This paper proposes a gait analysis method with instant current consumption of a treadmill. We show that the gait on a treadmill can be used for real-time interaction with a virtual environment that is the Metaverse, and after finishing the gait, the statistical analysis can be applied to the existing gait analysis methods. The accurate real-time gate state information can enhance exercise effects through immersive interaction. Massive data collection does not require dedicated equipment but can be available using conventional treadmills, and the collected big data will be processed by automated analysis models using machine learning and artificial intelligence for the development and utilization of medical technology, especially regarding untact disease diagnosis and treatment. 걷기와 뛰기는 인간의 가장 기본적인 행동양식으로 보행 분석정보는 건강 관리와 질환의 모니터링의 유용한 정보로 활용되어 왔다. 본 논문에서는 트레드밀의 전동기에서 소비되는 순시전류를 이용한 보행분석방법을 제안하였다. 실제 수집된 데이터를 활용하여 트레드밀에서의 보행을 메타버스(metaverse)와 같은 가상환경과의 실시간 상호작용에 사용할 수 있음을 보이고 보행완료 후 통계분석 결과와 기존의 보행 분석방식을 비교하였다. 보행상태에 대한 정확한 실시간 정보는 몰입도 높은 상호작용으로 트레드밀 운동의 효과를 증진할 수 있다. 전용기구가 아닌 일반적인 트레드밀에서 수집되는 대용량의 데이터는 기계학습과 인공지능을 이용한 자동화된 분석모델을 이용해 비대면 질환 진단과 치료를 위한 의료기술의 개발에 활용될 수 있다.
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企業評價指標로서 EVA는 韓國資本市場에 適用 可能한가?
趙鉉相 목포대학교 기업경영연구소 2000 企業經營硏究 Vol.4 No.1
EVA is a financial performance measurement tool that determines whether a business is earning more than its true cost of capital. This gives managers a clearer idea of whether they are creating wealth for shareholder by subtracting a capital cost from the retruns they generates on invested capital. Recording the EVA is a tool for measuring the creation of shareholders' wealth, I conducted simple regression analysis to see the correlation between EVA and stock price movement of 70 listed companies from 1981 to 2000. From the analysis, I found there was a significant correlation between EVA and stock price movement. The analysis also show strong correlation between EPS and stock price movement during the same period of time. This results show that investors in Korean stock market have already had the creation of shareholders' wealth in mind when they made investment decision even before the concept of EVA was introduced in Korea. However, not so many companies in Korea is actually adopting EVA, or other form of tools which measures creation of shareholders' wealth, into their management. This is attributable to the fact that Korean style of corporate management has not really been geared toward creating value for the shareholder. But, current changes that both the management and investors realized the need for creating wealth for shareholders. I consider that EVA provide an easy way or Korean companies to manage their ompanies for their shareholders' benefit by value creation.
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