• 제목/요약/키워드: Combined sequence

검색결과 390건 처리시간 0.022초

Identification of a Tandemly Repented DNA Sequence Using Combined RAPD and FISH in Welsh Onion (Allium fistulosum)

  • Bong Bo Seo;Geum Sook Do;Seon Hee Lee
    • Animal cells and systems
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    • 제3권1호
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    • pp.69-72
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    • 1999
  • A tandemly repeated DNA sequence was identified and characterized y the combined RAPD and FISH data from a total genomic DNA of Welsh onion (Allium fistulosum). A clone containing this repeating sequence was selected and sequenced. This repeating unit of 314 bp inserted into pAf 072 contained 54.1% adenine and thymine residues, and showed the primer sequence used, 5'-GAAACGGGTG-3', in both terminals of the sequence. Fluorescence in situ hybridization using this tandemly repeated sequence as a probe indicated that the detected sites were coincident with the major C-banded constitutive heterochromatin in the terminal regions of both arms of all 6 chromosomes.

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SDL을 사용한 INAP 프로토콜 시험 (Protocol Conformance Testing of INAP Protocol in SDL)

  • 도현숙;조준모;김성운
    • 한국멀티미디어학회논문지
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    • 제1권1호
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    • pp.109-119
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    • 1998
  • 본 논문은 형식기술기법으로 기술된 차세대지능망 응용프로토콜(INAP: Intelligent Network Application Protocool)로부터 추상시험스위트 (Abstract Test Suite) 자동생성에 대한 연구 결과를 기술한다. 시험 자동생성을 위해 RCP tour(Rural Chinese Postman tour) 개념과 UIO 시퀀스 (UIO:Unique Input Output Sequence) 개념을 응용하였다. SDL(System Description Language) 형식기술 기법으로 명세화된 INAP명세로부터 생성한 I/O FSM(Input/Output Finite State Machine)을 중간모델로 하여 UIO 시퀀스를 정의하고, 정의된 UIO 시퀀스를 RCP tour 개념과 결합하여 최적의 시험 시퀀스를 생성하였다. 본 논문에서는 또, 생성된 시험 스위트의 오류커버영역 예측방법을 제시하고, 마지막으로 표준화된 시험 표기법인 TTCN(Tree and Tabular Combined Notation)으로 생성된 시험스위트의 변환방법도 제시한다.

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오존을 이용한 신갈나무 크라프트펄프의 무염소표백 (Non-chlorine Bleaching of Oak Kraft Pulp by Ozone)

  • 김동호;백기현
    • 펄프종이기술
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    • 제29권2호
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    • pp.36-45
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    • 1997
  • Newly bleaching sequence using oxygen, ozone and hydrogen peroxide has introduced to avoid pollution hazards from chlorinated organic compounds, because chlorine dioxide substitution bleaching was produced a little chlorinated organic substance. Oxygen-type chemicals replaced for chlorine has attracted much research attention. Bleachability of ozone was improved at low temperature and high pulp consistency. In third bleaching followed OZ bleaching, addition of O2 and NaBH4 in alkali extraction was effective than only alkali extraction. Bleachability of pulps in ozone bleaching(Z) was improved at higher consistency and lower temperature The addition O2 and NaBH4 in alkali extraction after OZ bleaching sequence improved brightness, when compared to those obtained by only alkaline extraction. Pulps bleached by ECF bleaching sequences such as OZEoD and OZEopD was obtained by 90% ISO brightness. The brightness of pulp bleached by TCF sequences with the ozone dosage of 1.6% was approached to target brightness (88~90%ISO). Pulps bleached Z stage combined bleaching sequence was reduced the viscosity to a little greater extent. However, physical properties of pulps was not great different compared to those bleached by conventional bleaching sequences. A pollution index of bleaching effluente by ozone combined bleaching sequences was lower than by conventional bleaching sequence, but somewhat higher than multistage bleaching sequences combined C/D stage.

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비디오 얼굴 식별 성능개선을 위한 다중 심층합성곱신경망 결합 구조 개발 (Development of Combined Architecture of Multiple Deep Convolutional Neural Networks for Improving Video Face Identification)

  • 김경태;최재영
    • 한국멀티미디어학회논문지
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    • 제22권6호
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    • pp.655-664
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    • 2019
  • In this paper, we propose a novel way of combining multiple deep convolutional neural network (DCNN) architectures which work well for accurate video face identification by adopting a serial combination of 3D and 2D DCNNs. The proposed method first divides an input video sequence (to be recognized) into a number of sub-video sequences. The resulting sub-video sequences are used as input to the 3D DCNN so as to obtain the class-confidence scores for a given input video sequence by considering both temporal and spatial face feature characteristics of input video sequence. The class-confidence scores obtained from corresponding sub-video sequences is combined by forming our proposed class-confidence matrix. The resulting class-confidence matrix is then used as an input for learning 2D DCNN learning which is serially linked to 3D DCNN. Finally, fine-tuned, serially combined DCNN framework is applied for recognizing the identity present in a given test video sequence. To verify the effectiveness of our proposed method, extensive and comparative experiments have been conducted to evaluate our method on COX face databases with their standard face identification protocols. Experimental results showed that our method can achieve better or comparable identification rate compared to other state-of-the-art video FR methods.

복합하중상태에 있는 복합재료 원통형 쉘의 좌굴 거동 (Buckling Analysis of Laminated Composite Cylindrical Shell under Combined Load State)

  • 여경수;양원호;조명래;성기득
    • 한국자동차공학회논문집
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    • 제7권9호
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    • pp.119-130
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    • 1999
  • This paper deals buckling behavior of laminated composite cylindrical shells subjected to combination of axial compression and torison. Linear and nonlinear finite element analysis are carried out . the influence of load type, load ratio, fiber orientation angle, stacking sequence, and intial imperfect on buckling behavior is discussed.

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First Report of Botryosphaeria parva Causing Stem Blight on Rubus crataegifolius in Korea

  • Park, Sangkyu;Kim, Seung-Han;Back, Chang-Gi;Lee, Seung-Yeol;Kang, In-Kyu;Jung, Hee-Young
    • 식물병연구
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    • 제22권2호
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    • pp.116-121
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    • 2016
  • In 2015, stem blight of Rubus crataegifolius was observed in Pohang, Korea. The symptoms began as dark red spots in the stem, which led to stem blight, then leaf blight, and eventually resulted in death. A fungal isolate was obtained from a symptomatic stem and incubated on a potato dextrose agar plate. The isolated fungus produced white, cloudy mycelia turned black in 3 days. Based on the morphological characteristics, the causal fungus was assumed to be Botryosphaeria sp. A pathogenicity test was conducted according to Koch's postulates. To identify the causal agent, the combined sequence of the internal transcribed spacer, ${\beta}$-tubulin, and translation elongation factor $1{\alpha}$ genes were used for phylogenetic analysis. Approximately 1,200 bp of the combined sequence clearly suggested that the isolated pathogen was Botryosphaeria parva. This is the first report on stem blight in R. crataegifolius caused by B. parva in Korea.

비디오 영상 기반의 얼굴 검색 (Face Detection based on Video Sequence)

  • 안효창;이상범
    • 반도체디스플레이기술학회지
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    • 제7권3호
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    • pp.45-49
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    • 2008
  • Face detection and tracking technology on video sequence has developed indebted to commercialization of teleconference, telecommunication, front stage of surveillance system using face recognition, and video-phone applications. Complex background, color distortion by luminance effect and condition of luminance has hindered face recognition system. In this paper, we have proceeded to research of face recognition on video sequence. We extracted facial area using luminance and chrominance component on $YC_bC_r$ color space. After extracting facial area, we have developed the face recognition system applied to our improved algorithm that combined PCA and LDA. Our proposed algorithm has shown 92% recognition rate which is more accurate performance than previous methods that are applied to PCA, or combined PCA and LDA.

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가변직경을 갖는 자동차용 카울크로스바의 복합인발공정 개발 (Development of Combined Drawing Process for Automotive Cowl Cross Bar with Variable Diameters)

  • 김홍석;윤재웅
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 2009년도 춘계학술대회 논문집
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    • pp.236-239
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    • 2009
  • Cowl cross bar, a component of automotive cockpit module, has been manufactured by using welding processes of several tube parts with different diameters. However, in order to reduce costs and increase the quality, it is required to develop a new production method to manufacture the cowl cross bar as one-piece In this study, therefore, eliminating the welding process, tube drawing process which is one of metal forming processes was designed by using combined drawing technique. In addition, the selectable range of area reduction ratio was defined as a design guideline and the designed process sequence was verified by finite element analysis.

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유전자 기법을 이용한 복합재 보강구조물 외피 및 보강재의 적층각 최적설계 (Optimal Design of Skin and Stiffener of Stiffened Composite Shells Using Genetic Algorithms)

  • 윤인세;최흥섭;김철
    • 한국복합재료학회:학술대회논문집
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    • 한국복합재료학회 2002년도 추계학술발표대회 논문집
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    • pp.233-236
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    • 2002
  • An efficient method was developed in this study to obtain optimal stacking sequences, thicknesses, and minimum weights of stiffened laminated composite shells under combined loading conditions and stiffener layouts using genetic algorithms (GAs) and finite element analyses. Among many parameters in designing composite laminates determining a optimal stacking sequence that may be formulated as an integer programming problem is a primary concern. Of many optimization algorithms, GAs are powerful methodology for the problem with discrete variables. In this paper the optimal stacking sequence was determined, which gives the maximum critical buckling load factor and the minimum weight as well. To solve this problem, both the finite element analysis by ABAQUS and the GA-based optimization procedure have been implemented together with an interface code. Throughout many parametric studies using this analysis tool, the influences of stiffener sizes and three different types of stiffener layouts on the stacking sequence changes were throughly investigated subjected to various combined loading conditions.

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트렐리스 부호화된 8PSK/CPSC를 위한 RSSE 방식 (Reduced-state sequence estimation for trellis-coded 8PSK/cyclic prefixed single carrier)

  • 고상보;강훈철;좌정우
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2003년도 통신소사이어티 추계학술대회논문집
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    • pp.20-23
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    • 2003
  • A reduced-state sequence estimation(RSSE) for trellis-coded (TC) 8PSK/cyclic prefixed single carrier(CPSC) with minimum mean-square error-liner equalization(MMSE-LE) on frequency-selective Rayleigh fading channels is proposed. The Viterbi algorithm (VA) is used to search for the best path through the reduced-state trellis combined equalization and TCM decoding. The symbol error probability of the proposed scheme is confirmed by computer simulation.

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