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민병철(Byung-Cheol Min),김동한(Donghan Kim),김기열(Ki-Yeoul Kim),박종국(Chongkug Park) 한국지능시스템학회 2009 한국지능시스템학회 학술발표 논문집 Vol.19 No.1
바이올린은 아름다운 음색과 풍부한 표현력으로 현악기 가운데 중요한 위치를 차지하고 있다. 그러나 바이올린연주를 처음 시작하는 초보자들에게는 정확한 연주를 하기가 쉽지 않다. 이는 연주 시 활의 힘과 활을 켜는 속도 그리고 활과 현과의 접촉점 및 현을 집는 손가락 위치의 부정성에서 기인된다. 따라서 본 논문에서는 이 점을 해결하기위해 전문 바이올리니스트의 운궁법에 대한 데이터베이스를 사전 구축하고, 연주자가 실제 바이올린을 켤 때 얻어지는 데이터를 구축된 데이터베이스와 실시간으로 비교하고 그 결과를 퍼지 Logic을 사용한 성능평가함수로 성능평가를 한 후 Monitor상에 결과를 보이도록 하였다.
민병철(Byung Cheol Min),김동한(Donghan Kim),김윤혁(Yoon Hyuk Kim),김기열(Ki Yeoul Kim),박종국(Chongkug Park) 한국지능시스템학회 2009 한국지능시스템학회논문지 Vol.19 No.4
바이올린은 아름다운 음색과 풍부한 표현력으로 현악기 가운데 중요한 위치를 차지하고 있다. 그러나 바이올린 연주를 처음 시작하는 초보자들에게는 정확한 연주를 하기가 쉽지 않다. 이는 연주 시 활의 힘과 활을 켜는 속력 그리고 활과 현과의 접촉점 및 현을 집는 손가락 위치의 부정성에서 기인된다. 따라서 본 논문에서는 이 점을 해결하기 위해 전문 바이올리니스트의 운궁법에 대한 데이터베이스를 사전 구축하고, 연주자가 실제 바이올린을 켤 떼 얻어지는 데이터를 구축된 데이터베이스와 실시간으로 비교하고 그 결과를 퍼지 Logic을 사용한 성능평가함수로 성능평가를 한 후 Monitor상에 결과를 보이도록 하였다. A violin plays an essential role among string instruments. It has an extremely strong expressive power that can be conveyed through beautiful timbre when played correctly. However, a beginner who attempts to play the violin will be most likely to face difficulties in placing his or her fingers on a specific point of the fingerboard or in bowing the violin on a specific string. In order to resolve this difficulty, the database of a professional violinist's bowing skills were inserted beforehand. By doing so, a beginner can emulate professional's violin by comparing his playing with the constructed database that is programmed in the computer. Accordingly, the results are displayed on the monitor after being evaluated by the performance evaluation function using a fuzzy logic.
김동회(Dong-Hoe Kim),민병철(Byung-Cheol Min),김동한(Donghan Kim) 제어로봇시스템학회 2013 제어·로봇·시스템학회 논문지 Vol.19 No.10
In this paper, we develop a dust detection sensor system capable of identifying types of dust for an improvement of a robot vacuum cleaner. The dust detection sensor system is composed of a set of infra-red sensors: a single transmitter and multiple receivers. Given the fixed amount of light transmitted from the transmitter, the amount of light coming in multiple receiver sensors varies, depending on the type and density of dust that is passing between the transmitter and the receivers. Therefore, the type of dust can be identified by means of observing the change of the amount of light from the receiver sensors. For experiments, we use two types of dust, rice and sesame, and validate the effectiveness of the proposed method.
흰쥐에서 Iodine-131-Iododeoxyadenosine 의 생체분포 및 유방암 영상화에 관한 연구
김혜원,원종진,최시성,이현철,김창근,김선구,Yang, David J,이강무,민병철,이종덕,Kim, E Edmund 대한핵의학회 1998 핵의학 분자영상 Vol.32 No.4
Purpose: I-131 labeled (2'-deoxy-2-iodo-β-D-arabinofuranosyl) adenine (IAD) may be involved in DNA synthesis during active proliferation of tumor cells. We conducted this study to find out the biodistribution of IAD and its feasibility for scintigraphic tumor imaging. Materisls and Methods: Tosyl acetyl-adenosine was dissolved in acetonitrile, and I-131-NaI was added and heated to synthesize IAD. Female Fisher 344 rats innoculated with breast tumor cells were injected witb 0.27 MBq of IAD. Rats were sacrificed at 0.5, 1, 2, 4, 24h and the % of injected dose per gram of tissue (%ID/g) was determined. For scintigraphy, rats bearing breast cancer were administered with 1.11 MBq of IAD and imaging was perforrned after 2 and 24h. Then, rat body was fixed and rnicrotomized slice was placed on radiographic film for autoradiography, Results: %ID/g of tumor wa.' 0.74 (0.5h), 0.73 (1h), 0.55 (2h), 0.38 (4h), and 0.05 (24h), respectively. At 1h after injection, %ID/g of tumor was higher than that of heart (0.34), liver (0.42), spleen (0.47), kidney (0,69), muscle (0.14), bone (0.33) and intestine (0.51). However, %1D/g of tumor was lower than blood (1.06), lung (0.77), and thyroid (177.71). At 4h, %ID/g of tumor in comparison with other tissue did not change. Tumor contrast expressed by tumor to blood ratio was 0.69 and tumor to muscle ratio was 5.11 at 1h. However, these ratios did not improve through 24h. On autoradiogram and scintigraphy at 2 and 24 hour, the tumor was well visualized. Conclusion: This results suggest that Ial) may have a potential for tumor scintigraphy. However, further work is needed to improve localization in tumor tissue. (Korean J Nucl Med 1998;32:374-81)