• Title/Summary/Keyword: 복수초

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Studies on Characteristics of Adonis amurensis Reger et Radde native to South Korea (남한에 자생하는 복수초의 형질특성에 관한연구)

  • 안영희;여성희;이남숙;이상태
    • Korean Journal of Environment and Ecology
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    • v.13 no.3
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    • pp.203-208
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    • 1999
  • 본 연구는 남한에 자생하는 한국산 복수초를 원예용 경제작물로 개발하고자 수행하였다, 남한의 21개 자생지를 대상으로 분포지역에 따른 개체군의 형질특성을 조사하여 다음과 같이 식물체의개체군 특성에 의해 4가지 유형으로 구분되었다. 강원도의 백두대간을 중심으로 자생하는 복수초군은 개화시기가 가장 빠르고 초장은 15cm이하로 작았으며 꽃받침이 꽃잎에 비해 큰 것이 특징이다 . 화경은 2.73cm 로 다른 복수초들에 비해 소형이다. 중부지방의 광릉 등지에 자생하는 복수초군은 개화시기가 3월 15일경으로 상대적으로 개화시기가 늦다. 화경은 3.67cm로 나타났다. 충청도 및 서해안 등지에 자생하는 복수초군은 개화시기가 빠르고 화경이 6,82cm 로 꽃이 크며 초장이 길어 관상가치가 뛰어나므로 금후 원예금후 원예작물로 개발 가능성이 높다. 제주도에 자생하는 복소초군은 잎과 꽃이 동시에 발달하고 화색은 밝은 황색이며 엽색도 다른 복수초들에 비해 엷은 빛깔의 초록색으로 나타났다. 또한 우리나라에 자생하는 복수초의염색체는 자생지에 관계없이 2n=16으로 조사되었다.

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복수초 화단이용과 재배기술

  • Song, Jeong-Seop
    • Landscaping Tree
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    • v.78 no.1_2
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    • pp.24-26
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    • 2004
  • 우리 산야에 자생하는 것 중 이른 봄 가장 먼저 피는 것을 들라하면 단연 복수초이다. 추위에 강해 겨울의 한복판인 2월에도 설악산에서 눈과 얼음을 뚫고 나올 정도이다. 반면에 여름 고온에는 무척 약해 햇볕이 많이 드는 곳에서는 6월 하순부터 지상부가 거의 말라죽는다.

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Multi-Frame-Based Super Resolution Algorithm by Using Motion Vector Normalization and Edge Pattern Analysis (움직임 벡터의 정규화 및 에지의 패턴 분석을 이용한 복수 영상 기반 초해상도 영상 생성 기법)

  • Kwon, Soon-Chan;Yoo, Jisang
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.38A no.2
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    • pp.164-173
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    • 2013
  • In this paper, we propose multi-frame based super resolution algorithm by using motion vector normalization and edge pattern analysis. Existing algorithms have constraints of sub-pixel motion and global translation between frames. Thus, applying of algorithms is limited. And single-frame based super resolution algorithm by using discrete wavelet transform which robust to these problems is proposed but it has another problem that quantity of information for interpolation is limited. To solve these problems, we propose motion vector normalization and edge pattern analysis for 2*2 block motion estimation. The experimental results show that the proposed algorithm has better performance than other conventional algorithms.

Phylogenetic study of the section Adonanthe of genus Adonis L. (Ranunculaceae) based on ITS sequences (ITS 염기서열에 의한 복수초속 복수초절(미나리아재비과)의 계통분류학적 연구)

  • Son, Dong Chan;Park, Beom Kyun;Ko, Sung Chul
    • Korean Journal of Plant Taxonomy
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    • v.46 no.1
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    • pp.1-12
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    • 2016
  • DNA sequences of nrITS regions obtained from 49 accessions representing 12 species and one variety within the section Adonanthe of the genus Adonis were analyzed to test the previous intra-sectional classification system and to determine their phylogenetic relationships. The results showed that the seven accessions of A. amurensis Regel et Radde included in the present study did not form a monophyletic group, as some of the accessions showed a close relationship with the Japanese endemic species A. ramosa Franch., which implies that the current species delimitation and identification of A. amurensis is problematic. Adonis pseudoamurensis W. T. Wang, which is frequently misidentified as A. ramosa in Korea, formed a segregated group, which suggests that they should not be considered as conspecific taxa. Accessions from A. shikokuensis Nishikawa et Koji Ito, A. multiflora Nishikawa et Koji Ito, and A. pseudoamurensis formed a clade, but monophyly of each species was not evident. The nrITS data did not support the classification system proposed by Wang, who classified sect. Adonanthe into four series, as most of these were found to be either polyphyletic or paraphyletic.

Conservation Status of Rare and Endangered Plant Species in T$\v{o}$kyusan National Park (덕유산 국립공원내 회귀 및 멸종위기식물의 보전실태)

  • Yim, Kyong-Bin;Kim, Yong-Shik;Chun, Seung-Hoon;Kim, Sun-Hee;Kim, Whi
    • Korean Journal of Environment and Ecology
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    • v.7 no.2
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    • pp.112-117
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    • 1994
  • The present conservation status on the rare and endangered plants in Tokyusan National Park were surveyed and re-evaluated by the new criteria which prepared by I.U.C.N. The species such as Lonicera vidalii, Clematis chiisanensis, Cypripedium macranthum and Allium taquetii were grouped as Critical, Eranthis stellata, Abies koreana, Taxus cuspidata, Tricyrtis dilatata, Paeonia japonaca, Stewartia koreana, Rhododendron tschnoskii, Buplerum euphorbioides, Lilium cernum and Oreorchis patens were grouped as Endangered, Adonis amurenis and Disporum ovale were grouped as Vulnerable. The above mentioned species were mainly located at the vicinity of mountain trails and projected developing sites. The potentials for the habitat destructions, mainly, due to human activities are expected to be serious in the future unless the proper management plans prepared for the specific plants and the specific habitats.

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A morphological reexamination on the genus Adonis L. sensu lato (Ranunculaceae) in Korea (한국산 복수초속(미나리아재비과)의 형태분류학적 재검토)

  • Lee, Chunghee;Lee, Sangtae;Suh, Youngbae;Yeau, Sung-Hee;Lee, Nam Sook
    • Korean Journal of Plant Taxonomy
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    • v.33 no.4
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    • pp.435-454
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    • 2003
  • The morphology of plants and scanning electro-microscopical features of fruits were examined to evaluate the taxonomic entities of Korean Adonis L. in sensu lato (Ranunculaceae). The species of Korean Adonis were readily diagnosed by the branching pattern of stem, the number of flowers, the bifurcation of leaf main axis, the number of tepals, the flowering periods in relation to leaf sprouting, and the number of stomata and the texture of fruit surface. This study demonstrates that there are three species, A. amurensis, A. pseudoamurensis, and A. multiflora., found in Korea. However, A. ramosa, which has been often claimed to be distributed in Korea, is not present in Korea.

Application of Multi-Frame Based Super-Resolution Algorithm for a Color Recognition Enhancement for the UAV (복수영상기반 초해상도 색상인식능력향상 알고리즘의 무인기 적용)

  • Park, Jihoon;Kim, Jeongho;Lee, Daewoo
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.45 no.3
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    • pp.180-190
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    • 2017
  • This paper describes the application of Multi-frame based super-resolution method to enhance resolution of image information from the UAV, and the improvement of UAV's ground target recognition ability. To verify this algorithm, we designed a flight/ground control system, and the UAV, and then the algorithm was validated using the UAV system with ground target. As a result of the comparison between the pre-applied image and post-applied one shows that the RMSE is from 0.0677 to 0.0315, NRMSE is from 7.4030% to 3.5726%, PSNR is from 23.3885dB to 30.0036dB, and SSIM is from 0.6996 to 0.8948. Through these results, we validate this study can enhance the resolution of UAV's image using Multi-frame based super-resolution algorithm.

High Speep/High-Precision Chip Joining Using Self-Assembly Technology for Three-Dimensional Integrated Circuits (삼차원적층형 집적회로 구현을 위한 자기조직화정합기술을 이용한 고속.고정밀 접합기술)

  • Lee, Kang-Wook
    • Journal of Welding and Joining
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    • v.29 no.3
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    • pp.19-26
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    • 2011
  • 본 논문에서는 액체의 표면장력을 이용하여 복수의 KGD 들을 웨이퍼 상태에서 일괄접합함으로써, 높은 수율의 삼차원적층칩을 빠른 생산성으로 제작할 수 있는, 고속 고정밀 접합기술인 자기조직화정합 (Selfassembly) 기술에 대해 소개를 하였다. 본 연구실에서 개발한 self-assembly 기술을 적용하여 5mm 각(角) 크기의 칩 500개를 1초 이내에 평균 $0.5{\mu}m$ 정도의 높은 정밀도로 8인치 웨이퍼상에 일괄접합시키는데 성공하였다. Self-assembly 기술에 의한 삼차원 칩 적층방식은, 기존의 pick-and-place 적층방식에서 높은 정밀도의 접합특성을 확보하는데 필요한 공정시간을 혁신적으로 단축하는 것이 가능하고, 웨이퍼 레벨에서 복수의 KGD 들을 일괄접합하는 것이 가능하므로, 향후 TSV 기술의 양산화를 실현하는데 적합한 고속 고정밀 접합 기술로서 기대가 크다. 현재 본 연구실에서는 두께가 $50{\mu}m$ 이하의 얇은 LSI 칩 및 메탈범프가 형성된 LSI 칩 등을 이용하여, self-assembly 기술에 의한 삼차원 적층형 집적회로 구현을 위한 접합기술을 개발 중에 있다.