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김문수(M.S. Kim),한민호(M.H. Han),최성욱(S.W. Choe) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
A medical stimulator has been used for pain relief treatment. But, it cannot deliver stimuli to the target tissue without any affection of other tissues, and, moreover, the undesired stimuli to the patient's heart can cause dangerous heart failure. As a result, the current intensity of stimuli should be limited within proper values. There are available solutions that ensure safety and raise the efficiency of stimulation at a target tissues by designing electrodes and the stimulation waveform. In this paper, we measured and estimated the stimuli transmission through the electrolyte chamber that are simulating the patient's tissue at different conditions that have different values and waveforms and that are equipped with different electrodes. We tried to find the most optimal stimulation condition that can concentrate stimulation energy to the target tissue at various stimuli waveforms according to the design of electrodes. The basic design concept of electrode is that the circular reference electrode block off the leaking current from the stimulating electrode. And, the stimulation waveforms are monophasic and biphasic exponential truncated pulses.
김정태,한민호,이종훈,김종현,김익균,Kim, J.T.,Han, M.H.,Lee, J.H.,Kim, J.H.,Kim, I.K. 한국전자통신연구원 2014 전자통신동향분석 Vol.29 No.1
본 논문은 인터넷을 통해 급격히 확산되고 있는 해킹, 바이러스 및 DDoS(Distributed Denial-of-Service) 공격과 같은 사이버 보안 공격(Cyber Security Attack) 등이 발생하였을 경우 각 공격에 효과적으로 대비하기 위한 방향 및 그 방법을 제시하기 위해서 실제적인 공격 근원지 정보 역추적을 위하여 관련 추적 기술의 의미, 세부기술 분류, 관련 연구 및 동향 등을 통하여 기존 역추적기술의 제약사항을 극복하고 현재 또는 차세대 인터넷에서 적용가능한 역추적기술에 대한 요구사항 및 향후 전망을 기술하였다.
손정우,한민호,김선중,Son, J.W.,Han, M.H.,Kim, S.J. 한국전자통신연구원 2019 전자통신동향분석 Vol.34 No.3
This study introduces artificial intelligence (AI) techniques for video generation. For an effective illustration, techniques for video generation are classified as either semi-automatic or automatic. First, we discuss some recent achievements in semi-automatic video generation, and explain which types of AI techniques can be applied to produce films and improve film quality. Additionally, we provide an example of video content that has been generated by using AI techniques. Then, two automatic video-generation techniques are introduced with technical details. As there is currently no feasible automatic video-generation technique that can generate commercial videos, in this study, we explain their technical details, and suggest the future direction for researchers. Finally, we discuss several considerations for more practical automatic video-generation techniques.