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모바일 3D 레이싱 게임을 위한 물리 엔진 및 상황인식 아키텍처 설계
김회창(Hoi-chang Kim),신동규(Dong-kyoo Shin),신동일(Dong-il Shin) 한국정보과학회 2009 한국정보과학회 학술발표논문집 Vol.36 No.1
현재 게임에 있어서 중요한 이슈는 게임 속 세계에 존재하는 캐릭터들이 사실감과 생동감을 유지하면서도 프로그램의 속도 감소 문제를 발생시키지 않는 방안을 찾는 것이다. 본 논문이 제시하는 내용은 모바일 3D 레이싱 게임을 위한 물리 엔진 및 상황인식 아키텍쳐에 대한 것으로 본 아키텍쳐는 Physical Manager부, Collision Manager부,Game Character Manager부, Physics Context-aware Component부로 구성되어있다. 그리고 약 1000회의 실험을 하였으며 그에 대한 분석 및 평가를 보인다.
김회창(Hoi-Chang Kim) 한국의료정보교육협회 2013 보건의료생명과학논문지 Vol.1 No.1
In this study, the results of a comprehensive medical examination for cancer research through the analysis of the characteristics of the examinee found public health level should resolve to improve cancer management business primarily based on the effectiveness of the information. In addition, the early detection of cancer of the effects of a comprehensive medical examination and medical examination of the need to present verification study. Health promotion center at a hospital in Seoul in 1999, January 1 to December 31, 2002, four years to the national clinical survey conducted by the examinee to 141,662 people (male 84,191 people, over 57,471 people) who discovered the cancer-related a comprehensive analysis of data comprehensive health prevention and early detection of cancer diagnosis, early treatment appeared to be very necessary.
종합건강진단을 통한 암발견 수진자의 특성 분석 연구 : A 병원 건강진단결과를 중심으로
김회창,정두채 남서울대학교보건의료개발연구소 2004 보건복지 연구 논집 Vol.1 No.1
This study aims to provide information about the management of cancer and to indicate importance of regular health check-up procedure for early detection of cancer. The study population composed of 829 cancer patients of the total 141,662 persons (male: 84,191 and female: 57,471) who received health check-up at a general hospital in Seoul during 4-year from January 1, 1999 to December 31, 2002. The major results of this study are as follows. First, among 141,662 persons who received the routine health check-up, 829 persons (0.59%) had cancerous cell growth. Male are 523(0.62%) and female are 306(0.53%) (P<0.031), that is, one person out of 171(male: 161 and female: 188) who received a regular health check-up was diagnosed as cancer patient. Second, the older of age and the lower level of education has the higher rate in detection of cancer. As to the frequency of consultation, the detection of cancer was higher at the first visit than subsequent visit (P<0.001). And as to the type of application for health check-up, the detection of cancerous growth was higher in individual application than group application (P<0.001). Third, in terms of the type of cancer, detection of stomach cancer was highest (295 out of 829 patients) and the lowest was biliary cancer (26 out of 82 patients) (P<0.001). When the progress of cancerous growth of 717 patients out of the total 829 patients admitted in A hospital was analyzed. The patients in the early stage was 66.5%(477 patients) while 33.5% (240 patients) was in the advanced stage (P<0.001). In addition, among 608 patients who had surgery 75% (456 patients) were at the early stage of cancer while 25% (152 patients) were in the advanced stage of cancer. This result demonstrates importance of general health check-up and early detection of any cancerous growth. In relation with life style of the patients, 35 patients of the 37 lung cancer patients had a smoking habit, reaffirming the strong relationship between smoking habit and lung cancer. In addition, 79.4% of gastroentestinal cancer patients had habit of drinking. The positive relationship between the characteristic variables of the patients whose cancer were found by health check-up process: between smoking and drinking, between drinking and level of education, between admittance to hospital and surgery, between surgery and age, and between status of cancer and surgery. As conclusion it is proved that the general health check-up is very useful in preventing, detecting and timely treatment of cancer.
한국인 렙토스피라증 환자 혈청중의 렙토스피라균에 대한 형광항체에 관한 연구
김회창 고려대학교 의과대학 1987 고려대 의대 잡지 Vol.24 No.1
Recently in the methods of serclogic diagnosis of Leptospirosis patient, microagglutination test is most specific and widely used method and now indirect immunofluorescent antibody (IFA) technique using the Leptospira interrogans is developing state. Therefore, this study was designed to examine immunofluo-rescent antibodies against Leptospira interrogans of sera from leptospirosis patients in Korea, during forty days after onset of illness. The results are as follows: 1. Many patients among who were diagnosed clinically as the hemorrhagic fever with pneunmonia patients were leptospirosis by IFT. 2. The immunoflorescent antibodies against Leptospira interrogans of sera from Leptospirosis were rapidly produced after onset of illness and reached a peak level 128-4,096 about 2-3 weeks after onset of fever and then decreased slowly but were demonstrated after forty days. 3. Sera from suspicious leptospirosis patients at a week interval with 2 times and if the evidence of in-creased immunofluorescent antibodies against Leptospira interrogans and demonstrated, serologic diagnosis is possible. The above results indicated that Leptospirosis patient can be serologically diagnosed with ease by in-direct immunofluorescent antibody technique using infected Apodemus mice liver section as antigen.