http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박민철(Mincheol Park),정우용(Wooyong Jung),양승만(Seungman Yang),홍희승(Heeseung Hong),홍성훈(Seonghun Hong),이희진(Heejin Lee),김창묵(Changmook Kim),문지현(Jihyun Moon),강민성(Minsung Kang),김영준(Youngjoon Kim),유근수(Geunsu You),김 한국자동차공학회 2020 한국자동차공학회 부문종합 학술대회 Vol.2020 No.7
The global construction industry is becoming smart as it moves away from the traditional labor-intensive. Doosan Infracore presented a business model that maximizes efficiency and productivity via Concept-x demonstration. This paper introduces the autonomous excavator control system, which was developed by Doosan Infracore Corporation to participate in the Concept-X Project. The unmanned excavator has perception, planning, and control system. In perception system, the unmanned excavator recognizes the surrounding environment and classify the obstacle using various sensors installed on the excavator. In planning system, the excavator estimates work sequence plans, operation trajectory and driving routes. In control system, the unmanned excavator performs work safely and accurately. The performance of the control system is verified with experimental data obtained from Concept-X demonstration scenario.
김민철,문경래,박상기 朝鮮大學校 附設 醫學硏究所 1991 The Medical Journal of Chosun University Vol.15 No.1
Following a period of primary dependence on the maternal organism for substrate the fetus is delived not only with the need of providing itself with glucose for energy and accelerated growth but also th the necessity of maintaining a balance between glucose deficiency and excess. The variable and intermittent nature of exogenous oral intake in the neonate accentuates the potential problem. Author studied serum glucose levels in 53 pairs of cord blood in newborn infant and materanl blood paturition, and four determinations were made on each baby at 2-3, 8-10 24 and 48 hours after th. Serum glucose levels were measured by glucose oxidase method and samples were taken by iternal basilic veins, umbilical veins, and skin punctures on the heel of the infants. For the purpose analysis, the study objects were divided into two groups : fullterm infant group (43 case) and pretenn ant group(10 case). The following results were obtained. 1. The serial observations of serum glucose in neonates represent a fluctuations for 48 hours. The ues at birth decrease markedly from 2-3 hours-fasting and begin to rise gradually after milk feeding I the serum glucose levels reach a peak about 48 hours later. 2. The mean serum glucose level of cord blood was 74.63±12.14mg/dl and that of maternal blood was 86.38±25.06mg/dl. In comparison of serum glucose levels for the newborn infants and mothers, serum glucose levels of the newborn infants were significantly lower than those of the mothers (P<5). In the newborn infants, the mean serum glucose level of the fullterm infant group was 74.63±12.14mg/dl, and that of the preterm infant group was 63.75±9.84mg/dl. In the comparisom of serum glucose levels for fullterm and the preterm infant group, the serum glucose levels of the fullterm infan group were significantly higher than those of the preterm infant group (p<0.05). But, the levels of seria serum glucose determinations were similiar in two groups. 3. Serum glucose levels in male infant group were revealed lower blood level than those of femalfinfant group. The difference of glucose levels between male and female infant group were not statist ically significant (P>0.05). 4. There was no significant difference in serum glucose levels between primipara and multipara (P>0.05). 5. Low serum glucose levels were noted in babies delivered by Cesahan section compared with vagina delivery, but no significant difference was observed between two group (P>0.05). 6. In relation to prolonged labor, the serum glucose levels of cord blood below 12 hours showed 76.08±13.61mg/ dl, those over 12 hours showed 55.16±13.80mg/ dl. But their difference was not statistically significant (P>0.05). The levels of serial serum glucose determinations were similiar in two groups.
장민철(Mincheol Chang),문석하(Seokha Moon),김진규(Jinkyu Kim) ICT플랫폼학회 2023 ICT플랫폼학회 하계학술발표대회논문집 Vol.10 No.2
멀티뷰 카메라 영상을 사용한 자율주행 객체 탐지 알고리즘은 2차원의 정보를 3차원 조감도 (Bird’s-Eye-View) 좌표계로 바꾸어 물체인식을 진행한다. 그러나, 카메라 기반 객체 탐지 모델은 2차원 영상의 깊이 정보를 추정하기 어려움이 있고 부정확한 조감도 정보가 생성되므로 심각한 물체 오탐지가 발생한다. 본 연구에서는 기존 멀티뷰 카메라 기반 객체인식 모델의 거리추정 정확성과 조감도 상의 특징정보를 향상시키고자 지도 정보를 2D에서 3D 전환 과정에 융합해 3D 객체 인지 성능을 향상시키는 AI 모델을 개발하였다. 본 연구는 2023년도 대한전자공학회 하계학술대회 및 IEEE/CVF Winter Conference on Applications of Computer Vision 2024에서 발표됨.