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김호원,김도형,이승욱,최진성,구본기,Kim, H.W.,Kim, D.H.,Lee, S.W.,Choi, J.S.,Koo, B.K. 한국전자통신연구원 2012 전자통신동향분석 Vol.27 No.3
아바타(avatar)는 온라인 게임이나 채팅, 가상 공간 등에서 사용자의 역할을 대신하는 애니메이션 캐릭터를 뜻하는 말로 1990년대 인터넷 보급과 더불어 활발히 도입되기 시작하였으며 2000년대에 실제 사람의 사실성보다는 3D 그래픽 캐릭터의 관점에서 세컨드라이프(Second Life)나 리니지 등의 서비스에서 활용되었다. 또한 컴퓨터 그래픽스 기술의 발달로 인해 보다 사실적인 인체 표현이 가능한 아바타 기술이 영화나 CF를 중심으로 활발히 활용이 되었다. 최근 컴퓨터 그래픽 기술과 컴퓨터 비전 기술의 결합으로 인한 시너지 효과 및 센서 기술과 컴퓨팅 하드웨어의 발전으로 인해 실제 사용자의 외형이나 움직임을 사실적으로 표현할 수 있는 실사 인체 아바타에 대한 연구와 산업으로의 응용이 활발히 진행되고 있다. 본고에서는 이러한 실사 인체 아바타의 생성 기술과 아바타를 응용한 활용 기술에 대해 살펴보고자 한다.
S. H. Kwon(權臣漢),K. H. Im(任建爀),H. W. Kim(金昊元),M. H. Heo(許萬浩) 한국육종학회 1975 한국육종학회지 Vol.7 No.1
Length of coleoptile, number of cells and cell length per vertical column in coleoptiles were observed in dormant seeds of three wheat varieties, Yuksung 3. 12 SE, and Young-Kwang, exposed to various doses of Co-60 gamma rays. Length of coleoptiles was significantly decreased with the increase of gamma ray doses up to 30kR, whereas it was not changed in higher doses over 30kR. Number of cells was also decreased inversely with radiation dose by 60 kR which may be due to suppression of cell division, however constant number of cells was observed in higher doses over 60 kR. Consequently, number of cells found at higher doses was considered as the basic number of cells formed already in embryo. From this point, it was concluded that growth of the coleoptile of seedlings from seeds irradiated with higher doses was dependent upon a elongation of a basic number of cells, even though suppression of cell division occurs by irradiation with high doses.
C. M. Kim(金智文),J. K. Kim(金淙根),H. W. Kim(金昊元),J. D. Moon(文章達) 한국육종학회 1972 한국육종학회지 Vol.4 No.2
In order to induce mutation, especially bud sports of cold hardiness, several varieties of Citrus Unshu were chronically irradiated to the γ-rays (⁶⁰Co) differing in dose rate and total dose during different growing stages. Scions and buds from the irradiated plants during dormant and growing stage were grafted on the stock of trifoliate orange and survival rate and growth of grafts were examined. Growth inhibition, deformation and mutation in the irradiated plants during the growing stage were observed. In April, cutting back method was applied to the irradiated plants during dormant stage. The results obtained were as follows: 1. Survival rates of scion grafts from the irradiated plants during dormant stage showed no differences compared with the control at the dose applied (7.69 kR, 15.1R/hr.) in four varieties. 2. In four varieties, survival rates of bud grafts from the irradiated plants during growing period were more than 50% (RD-50) as compared with the control even at the highest dose applied (34.7kR, 18.06 R/hr.). 3. In chronic irradiation during growing period internodial length, petiole length, leaf length, leaf width and leaf area were significantly decreased with increasing dosage. 4. Deformation following irradiation were mostly appeared at higher doses. Deformed leaves were characterized by asymmetry, bifurcation, irregular toothed margin, slender shape, thickness and dark greenness. Also, deformed fruits showed basal protuberance, rugous and thick rind and lower sugar content. Adventitious shoot with untoothed, round, large, thick and dark green leaves also developed from the base of stalk. 5. In three varietieties four individuals with small leaved and compact type were preliminarily selected as cold hardy character from cutting back treated plants.
S. H. Kwon(權臣漢),H. S. Song(宋禧燮),H. W. Kim(金昊元),K. H. Lee(李庚熙) 한국육종학회 1974 한국육종학회지 Vol.6 No.2
Eight hundred fourty native soybean lines, collected throughout the Korean peninsula, were grown a field in the vicinity of Seoul City, and studied their maturity and relationshipes among the important agronmic characters within the maturity group. 1. The collected lines were classified according to the maturity. The distribution of maturity groups were 0.1% for group 0, 0.6% for group I, 8.9% for group II, 20.1% for group III, 24.5% for group IV, 34.4% for group V, and 11.4% for group VI. These results indicats that majority of Korean native soybeans are belong to maturity groups III and IV. 2. The majoity of the collected lines from the Gyeonggi Province were earlier in maturity as compare to the lines collected from the other provinces. The collected lines from the provinces of the lower latitude tend to late in maturity. 3. The maturity appeared in large deviation ranging from 112 clays to 160 days. However, either extremely early or late maturity lines from this population were found in a small number. Correlation between maturity and seed yield was shown in negative.