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      • 대용량 롤-플레잉 게임을 위한 AOI 에 관한 연구

        전일곤 ( Il-gon Jeon ),오삼권 ( Sam-kweon Oh ) 한국정보처리학회 2004 한국정보처리학회 학술대회논문집 Vol.11 No.1

        MMORPG(Massively Multiplayer Online Role Playing Game)에서의 게임 서버는 모든 플레이어에게 게임 정보(오브젝트, NPC, 이벤트, 다른 플레이어들의 정보 등)를 실시간으로 전송해야 한다. 그러나, MMORPG 에 참여하는 플레이어의 증가로 인해 전송되는 정보의 양이 많아지면 네트워크 전송 지연과 서버의 부담으로 인해 플레이어들간 정보 전송의 문제가 발생한다. 이를 해결하기 위해 본 논문에서는 AOI(Area Of Interest, 관심영역)를 이용하여 자원 이동 및 동기화를 효율적으로 관리할 수 있는 구성요소들과 적용방안을 제시한다.

      • SCOPUSKCI등재

        수술실에서의 환자체온의 변화

        전세웅,전일곤 대한마취과학회 1974 Korean Journal of Anesthesiology Vol.7 No.1

        It is known that changes in body temperature occur during surgical operations with the patient under general anesthesia. Body temperature who has had elective surgery on St. Mary's Hospital at spring time (February to April) was measured by rectal thermometer. Body temperature was checked at before surgery and immediate postoperatively. Measured body temperature was analysed for sex, comparison of abdorninal surgery, skin graft or cranial surgery (who had exposed room temperature (20~23℃) as almost naked), duration of operstion, types of anesthetic system and operating room temperature. Results were as follows; 1. In abdominal surgery, body temperature change in man was decreased 0.64℃ postoperatively, in woman decreased 0.35℃ pastoperatively. But no statistical significance was obtained(p$gt;0.05). 2. In abdominal surgery, body temperature change was decreased 0.25℃ postoperatively but room temperature was increased 0.51℃ significantly(p$lt;0.01) postoperatively. Correlation coefficient between body temperatud room temperature was not observed(γ=0.37, 0.04). 3. In skia graft and cranial surgery, body temperature was decreased 1.3℃ postoperatively and room temperature was increased 0.4℃, respectively. But no statistical significance and no correlation coefficient vrere observed. 4. In duration of surgery (in abdominal surgery), body temperature was decreased 0.75℃ within 2 hours and over 3 hours duration, each. 5. In duration of surgery (in skin graft and cranial surgery), body temperature was significantly decreaaed 0.51℃ within 2 hours and significantly decreased 1.17℃ over 3 hours duration(p$lt;0.001). 6. In vaporizer inside the circuit (Air-Med anesthetic machine), body temperature was incre- ased 0.3℃ postoperatively and was significant(p$lt;0.001). Room temperature change was significantly increased 1.17℃ postoperatively and was significant(p$lt;0.001).

      • SCOPUSKCI등재

        Atropine 과량 투여에 의한 유별난 마취후 흥분

        전세웅,전일곤 대한마취과학회 1975 Korean Journal of Anesthesiology Vol.8 No.1

        Postanesthetic unusual excitement and prolonged postauesthetic recovery time were experienced after general anesthesia. The cause was discovered later due to accidentally administered atropine overdoses. Atropine vials supplied by the hospital pharmacy were labeled no containing quantity. After survey, the content of atropine was notified as 5 mg/ml instead of 0.5 mg/ml. It was ten times stronger content of the usual dose. General anesthesia were performed under halothane-N2O or methoxyflurane-N2O with semi- closed circle absorber system. Pentothal sodium or epontol intravenously was used as induction agent. For premedication, valium and atropine or valium, demerol and atropine was given intramuscularly. Additional atropine was given before reversing the muscle relaxation with neostigmine. 20 cases of acute atropine toxicity after general anesthesia were analysed for incidence of excitement, prolonged recovery time, total doses of atropine, change of the pulse rate, scarlet and tremor. The results were as follows; 1. Postanesthetic unusual excitement was observed but there were no mortality. 2. Doses of accidentally administered atropine were 9.53±4.75 mg (Mean±S.D.) 3. Postanesthetic recovery time was unusually prolonged, Mean recovery time was 146.1±24.4 minutes. 4. Among the patients, the following rate of complications were found; unusual excitement was 75%, scarlet was 50% and tremor was 10%, respectively 5. Law of the pharmacist should be strictly observed to prevent the accidental overdoses.

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