• 제목/요약/키워드: Segmented

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분할된 영역의 특성을 이용한 윤곽선 부호화 (CONTOUR CODING BASED ON THE CHARACTERISTICS OF REGIONS IN SEGMENTED IMAGE)

  • 이준상;어진우
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 1998년도 추계종합학술대회 논문집
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    • pp.915-918
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    • 1998
  • Region based coding consistsof image segmentation contour and texture coding. Contour coding techniques can be classified into contour or shape-oriented approaches. In this paper, geodesic skeleton based on shape-oriented approach is used for contour coding. Efficient application of geodesic skeleton for contour coding based on the characteristics of regions in segmented image will be discussed.

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Evaluation of Flower by Neural Network

  • Ikeda, Y.;Sawada, T.
    • 한국농업기계학회:학술대회논문집
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    • 한국농업기계학회 1993년도 Proceedings of International Conference for Agricultural Machinery and Process Engineering
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    • pp.1282-1291
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    • 1993
  • The color image of the rose was segmented by the cluster analysis on the color space into the characteristic sub-regions, the degree of bloom of the flower was represented numerically base on the segmented image and judged by the artificial neural network system whose input variable were the characteristic regions. Judgement by neural system were compared with that of the farmers and it was found that degree of agreement were fairly good.

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뇌조직 CT 영상의 자동영상분할 (Automatic Image Segmention of Brain CT Image)

  • 유선국;김남현
    • 대한의용생체공학회:의공학회지
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    • 제10권3호
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    • pp.317-322
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    • 1989
  • In this paper, brain CT images are automatically segmented to reconstruct the 3-D scene from consecutive CT sections. Contextual segmentation technique was applied to overcome the partial volume artifact and statistical fluctuation phenomenon of soft tissue images. Images are hierarchically analyzed by region growing and graph editing techniques. Segmented regions are discriptively decided to the final organs by using the semantic informations.

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Segmented Block Copolymer의 구조와 특성관계 II. Hard Segment 함량이 열적거동에 미치는 영향

  • 도문석;이한섭;서승원
    • 한국섬유공학회:학술대회논문집
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    • 한국섬유공학회 1998년도 봄 학술발표회 논문집
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    • pp.71-75
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    • 1998
  • Segmented block copolymer인 polyurethane은 열역학적으로 불친화성을 갖는 두 segment unit (Hard segment unit과 Soft segment unit)에 의해 미세 상분리 현상이 나타나며 그 결과 hard-segment-rich hard domain과 soft-segment-rich soft matrix 구조를 갖는다. 상온보다 높은 유리전이온도를 갖는 hard segment와 낮은 유리전이온도를 갖는 soft segment의 특성으로 인해 polyurethane은 열가소성 탄성체의 성질을 갖으며 두 성분의 조성비에 따라 넓은 범위의 역학적인 성질을 나타낸다.(중략)

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Segmented Polyurethanes with BHPP, 2, 2-bis[4-(2-hydroxy-ethoxy)phenyl] propane, as a Chain Extender.

  • Lee, Dong-Won;Lim, Sang-Kyoo;Jang, Doo-Sang;Koo, Kang;Son, Tae-Won
    • 한국섬유공학회:학술대회논문집
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    • 한국섬유공학회 1998년도 봄 학술발표회 논문집
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    • pp.5-8
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    • 1998
  • Polyurethane elastomers are segmented cocoplymer with an [HS]n-type structure. Typically, these materials are two-phase systems, prepared from relatively polar and stiff component called the hard segment(H) and relatively flexible component known as the soft segment(S). Diisocyanate and chain extender together form the hard segment, which is dispersed within a matrix of the soft segment, composed of the macrodiolos.(omitted)

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Analysis on the Amino Acid Distributions with Position in Transmembrane Proteins

  • Chi, Sang-Mun
    • Journal of the Korean Data and Information Science Society
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    • 제16권4호
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    • pp.745-758
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    • 2005
  • This paper presents a statistical analysis on the position-specific distributions of amino acid residues in transmembrane proteins. A hidden Markov model segments membrane proteins to produce segmented regions of homogeneous statistical property from variable-length amino acids sequences. These segmented residues are analyzed by using chi-square statistic and relative-entropy in order to find position-specific amino acids. This analysis showed that isoleucine and valine concentrated on the center of membrane-spanning regions, tryptophan, tyrosine and positive residues were found frequently near both ends of membrane.

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Structure and Properties of Segmented Block Copolyetheresters Based on PBT and PTMGT. 2. Mechanical and Dynamic Mechanical Properties

  • Jeon, Byoung-Yeol;Baik, Doo-Hyun
    • 한국섬유공학회:학술대회논문집
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    • 한국섬유공학회 1998년도 가을 학술발표회논문집
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    • pp.33-36
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    • 1998
  • Segmented block copolyetheresters defined as copolymers having sequences of alternating polyester hard blocks and polyether soft blocks create labile physical cross-links upon crystallization of hard polyester blocks Since the nature of the physical interlocking is a crystallite formed exclusively from the crystallizable hard segment, the hard segment content (HSC) and hard segment length (HSL) will play an important role in determining the properties such as mechanical property and dynamic mechanical property. (omitted)

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수리 형태론을 이용한 3차원 비디오 분할 (3D Video Segmentation using mathematical Morphology)

  • 김해룡;김남철
    • 한국방송∙미디어공학회:학술대회논문집
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    • 한국방송공학회 1995년도 학술대회
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    • pp.143-148
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    • 1995
  • In this paper, we describe a fast 3D video segmentation method using mathematical morphology. The proposed 3D video segmentation algorithm is composed of intra-frame segmentation step and inter-frame segmentation step. In the intra-frame segmentation step, the first frame is segmented using the fast hierarchical segmentation method. Then, in the inter-frame segmentation step, the next frames are segmented using markers that are extracted from the difference of previous segmentation result and simplified present image. Experimental results show that the proposed method has more fast structure and is suitable for video segmentation.

Migration Strategies for Temporal Data based on Time-Segmented Storage Structure

  • Yun, Hongwon
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2000년도 ITC-CSCC -1
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    • pp.329-332
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    • 2000
  • Research interests on temporal data have been almost focused on data models. There has been relatively less research in the area of temporal data management. In this paper, we propose two data migration strategies based on time-segmented storage structure: the migration strategy by Time Granularity, the migration strategy by LST-GET. We describe the criterion for data migration and moving process. We simulated the performance of the migration strategy by Time Granularity in order to compare it with non-segmentation method. We compared and analyzed two data migration strategies for temporal data.

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Representation of Spatial Relations between Regions in a 2D Segmented Image

  • Ralescu, Anca;Miyajima, Koji
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 1993년도 Fifth International Fuzzy Systems Association World Congress 93
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    • pp.1317-1320
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    • 1993
  • We are concerned with developing a robust method for comprehensive scene analysis. In particular, we address the problem of representing spatial relations between regions in a segmented 2D image. Spatial relations are modeled as fuzzy sets. The method has two aspects, symbolic and quantitative, consisting of assigning labels for spatial relations and numeric degrees to which a relation holds respectively. The procedure of deriving a spatial relation is hierarchical taking into account geometric/physical characteristics of the regions in question.

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