• Title/Summary/Keyword: Slide Evaluation

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MORPHOLOGICAL CHARACTERIZATION OF COTTON FIBER USING IMAGE ANALYSIS

  • Cho, Yong-Jin;Han, Young J.
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1996.06c
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    • pp.812-819
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    • 1996
  • This study was performed to quantify microscopically morphological characteristics of cotton fiber to identify parameters for quality evaluation using image analysis . The image of each fiber was captured by a Pc-based color imaging system using a conventional microscope. Ends of individual cotton fibers were glued on a microscope slide without any tension or straightening. A modified watershed technique was implemented to identify individual convolution segments, which were defined as sections of the fiber bordered by two neighboring convolutions. Length, area and perimeter of each convolution segment were measured directly from the image . Average width, shape factor and number of convolution segments in mm were calculated from the measured parameters. The performance of the image analysis algorithm was compared with visual varieties of cotton . The image analysis results agreed with visual inspection in 89.6% of the tested images.

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The study for the role of urban greenery and the planning index in the urban landscape assessment of the residential area in Daegu City (도시경관 평가에 있어서 녹지의 역할과 계획지표 설정에 관한 연구 -대구시를 중심으로-)

  • 박찬용;이영대
    • Journal of the Korean Institute of Landscape Architecture
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    • v.25 no.1
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    • pp.18-35
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    • 1997
  • This research aims at exploring the relationship between urban greenery and urban landscape and thereby deriving proper planning indicators of urban landscape, For the purpose, this research used survey research method which asked urban residents to answer the research questionnaires about the urban landscape which was presented by slide projection. The analysis results are as follows: 1) urban residents have highly positive image about the greenery; 2) they highly evaluate urban beautification and amenity function of the greenery; 3) the supply of the greenery is very short regardless of the survey locations; 4) due to the small amount of the greenery, its role in landscape is little. Landscape assessment can be approached from various aspects. Urban residents cognitively regard greenery important, however, in real situation it is not necessarily true. There is a discrepancy of the residents'expectation for the role of the greenery in the reality. Therefore, it is difficult to apply residents'evaluation directly to landscape planning. It is recommended that both planners'judgement and the residents'expectation should be balanced in the planning process.

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A Study on the Emotional Adjective Extraction and Subjective Evaluation of Sound Quality for Vehicle Power Seat (차량용 파워 시트 작동음의 감성 어휘 추출 및 주관적 음질 평가에 관한 연구)

  • Kim, Sung-Yuk;Jang, Ju-Gwang;Ji, Hyo-Seong;Kim, Ok-Whan;Kim, Key-Sun
    • Journal of the Korean Society of Manufacturing Process Engineers
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    • v.18 no.2
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    • pp.29-37
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    • 2019
  • In this study, emotional adjectives about the operating sound quality of the vehicle power seat are constructed, and the effectiveness of the emotional adjectives are verified by evaluating the operating sound quality. First, emotional adjectives were collected from the literature related to the automobile field and other sound qualities. A questionnaire was made using these adjectives. The questionnaire was designed to be able to select all adjectives that could express the operating noise of the power seat slide adjuster by applying the multiple- response method. Next, a subjective sound quality evaluation was conducted using the emotional adjectives. In the evaluation, we first recorded the operating noise for two power seats. Second, the subjective sound quality evaluation was performed on the recorded operating noise using a loudspeaker. Finally, through a statistical analysis on the sound quality evaluation results, the relationship between the semantic space and the preference score was verified, and the validity of the emotional adjectives was verified.

Assessing Landscape Impacts of Apartment Complex on Suburban Hilly Openspace; Multilateral Approach by Analysis of Physical Landscape Variables and Eye Fixation Movements (도시주변 능선녹지를 배경으로 하는 아파트 경관의 시각적 영향 - 물리적 경관변수 및 와시점분석에 의한 다각적 접근-)

  • Choi, Yun;Cho, Tong-Buhm
    • Journal of the Korean Institute of Landscape Architecture
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    • v.22 no.2
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    • pp.81-103
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    • 1994
  • In recent years, the visual characteristics of natural open space and greenbelt surrounding the urban landscapes have been changed with sprawling of residential areas and highrised residential buildings. Since these natural areas being the background element of residential areas are topographically sloped mountains in many cities. It is easy to be seen in the distance and it is important to preserve these areas as a visual infrastructure of the urban landscape. The purposes of this study are to extract the factors of landscape impact evaluation for these areas and to clarify the physical landscape variables representing these factors, and to infer the visual-perceptional relationships between image and landscape variables. As results, conceptional three factors were extracted with semantic differential evaluation to classified 18 landscape slide, and three regression models were established with factor score of landscapes and physical variables measured in photographs. On the basis of these relationships, visual-perceptional characteristics were discussed by analyzing the data form eye-movement recording to each of landscapes. The factors of "spatial unfolding of backdropped hilly greenspace", "horizontal quence of residential buildings", and "landscape complexity" prove to be important. And it prove important variables of "skyline of mountainous ridge" and "visual edge of building structure" in regression models and eye fixation movements.

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Evaluation of the Landscape Attraction of Seonunsan Provinlcial Park (선운산도립공원의 경관매력도 평가)

  • Rho, Jae-Hyun;Hu, Jun;Kim, Young-Suk
    • Journal of Environmental Science International
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    • v.11 no.6
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    • pp.471-482
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    • 2002
  • The purpose of this study is in identifying the attraction degree of Seonunsan Provincial Park by quantitative analysis. For this, landscape slide test was performed by questionaries. And multiple regression analysis and Factor analysis were performed far identifying the attraction degree of users. The attraction degree of natural resources was evaluated by questionaries about the landscape scene of 120 slides which was pictured at the chief visual corridor So it is considered that tourism route far attracting people into natural characteristic resources should be developed. It is identified once again that factors of $\boxdr$Naturalness$\boxul$,$\boxdr$Uniqueness$\boxul$and $\boxdr$Mysteriousness$\boxul$are important in natural landscape. And 16 explanation variables which explain the attraction degree of viewing landscape were classified as 4 factors. Those were defined as $\boxdr$Ability (FⅠ)$\boxul$, $\boxdr$Season harmony (FII)$\boxul$,$\boxdr$Simplicity (FⅢ)$\boxul$ and $\boxdr$Legibility(FⅣ)$\boxul$. It is identified that the variables of FⅠ, mysteriousness, is a representative image which expresses the characteristics of Seonunsan Provincial Park.

A Study on the Emotional Evaluation of the Guestroom Design at a Boutique Hotel (부티크 호텔 객실 디자인에 대한 감성적 평가 연구)

  • Won, Mi-Suk;Lee, Youn-Jung;Jeong, Jun-Hyun
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2008.04a
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    • pp.382-385
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    • 2008
  • The purpose of this study is to analyse design characteristics of the boutique hotel guestrooms to formalize their internal design concepts, and to evaluate the emotional response to these concepts, focusing on the response of consumers to the current trend of designs. It seems to be important, therefore, that this study are able to provide basic information necessary to establish a successful design strategy from the viewpoint of design marketing. This study was carried out with the guestrooms of 'O' Hotel, located at Paju, Gyeonggi-do Province, Korea, that is considered to fully introduce the concepts of 'Boutique Hotel.' A preliminary survey was performed by taking pictures and visiting the field from the 17th to 19th day of January 2008. Based on its results, a questionnaire survey as a major survey was conducted using a slide show according to Semantic Differential Scale on March 5, 2008. The collected data was evaluated by 50 students who majored in interior architectural design at D college, and was analysed using the SPSS Package

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Fabrication of a Partial Genome Microarray of the Methylotrophic Yeast Hansenula polymorpha: Optimization and Evaluation of Transcript Profiling

  • OH , KWAN-SEOK;KWON, OH-SUK;OH, YUN-WI;SOHN, MIN-JEONG;JUNG, SOON-GEE;KIM, YONG-KYUNG;KIM, MIN-GON;RHEE, SANG-KI;GERD GELLISSEN,;KANG, HYUN-AH
    • Journal of Microbiology and Biotechnology
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    • v.14 no.6
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    • pp.1239-1248
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    • 2004
  • The methylotrophic yeast Hansenula polymorpha has been extensively studied as a model organism for methanol metabolism and peroxisome biogenesis. Recently, this yeast has also attracted attention as a promising host organism for recombinant protein production. Here, we describe the fabrication and evaluation of a DNA chip spotted with 382 open reading frames (ORFs) of H. polymorpha. Each ORF was PCR-amplified using gene-specific primer sets, of which the forward primers had 5'-aminolink. The PCR products were printed in duplicate onto the aldehyde-coated slide glasses to link only the coding strands to the surface of the slide via covalent coupling between amine and aldehyde groups. With the partial genome DNA chip, we compared efficiency of direct and indirect cDNA target labeling methods, and found that the indirect method, using fluorescent-labeled dendrimers, generated a higher hybridization signal-to-noise ratio than the direct method, using cDNA targets labeled by incorporation of fluorescence-labeled nucIeotides during reverse transcription. In addition, to assess the quality of this DNA chip, we analyzed the expression profiles of H. polymorpha cells grown on different carbon sources, such as glucose and methanol, and also those of cells treated with the superoxide­generating drug, menadione. The profiles obtained showed a high-level induction of a set of ORFs involved in methanol metabolism and oxidative stress response in the presence of methanol and menadione, respectively. The results demonstrate the sensitivity and reliability of our arrays to analyze global gene expression changes of H. polymorpha under defined environmental conditions.

Landscape Evaluation of Rural Stream based on the Factor Analysis of Visual Preference (시각적 선호요인 분석을 통한 농촌 소하천 경관평가에 관한 연구)

  • Kim, Sung-Keun;Cho, Woo-Hyun;Im, Seung-Bin
    • Journal of Korean Society of Rural Planning
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    • v.5 no.1 s.9
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    • pp.35-44
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    • 1999
  • The purpose of this study is to find the bi-polar adjectives for rural stream landscape evaluation by the semantic differential scale and to suggest the major determinants of visual preference in rural stream landscapes. For this, the bi-polar adjectives for rural stream landscape evaluation was found by the method of the reliability test, and the spatial image was analyzed by the factor analysis. The level of visual preference was measured by slide simulation test, and these data were analyzed by the multiple regression. The major findings of this study can be summarized as follows : 1) Of the bi-polar adjectives expressing psychological and physical characteristics, the hi-polar adjectives which demonstrated reliability and consistency run as follows : Bi-polar adjectives expressing psychological characteristics : 'calm-bustling', 'unfamiliar-familiar', 'still-active','depressing-brisk', 'discomfortable-comfortable', 'suppressed-free', 'lifeless-living', 'quiet-noisy', 'unpleasant-pleasant'. Bi-polar adjectives expressing physical characteristics : 'artificial-natural', 'narrow-wide', 'rocky-not rocky', 'desolate-fertile', 'dirty-clean', 'enclosed-open', 'flat-steep', 'not gravelly-gravelly', 'thicketed-not thicketed', 'not weedy-weedy'. 2) Two factors, the harmony and the movement, were derived from the factor analysis for the psychological variables. Three factors, the naturalness, the rock, and the vegetation, were derived from the factor analysis for the physical variables. 3) Rural stream landscape types were classified into four types by the multi-dimensional scaling method. Type III, IV obtained higher rank of visual preference and type I, II obtained lower. 4) For all types, the factors determining the level of visual preference were found to be the harmony, the naturalness, and the vegetation. The visual preference determinants of rural stream landscape need to be considered in improving or restoring the rural stream landscapes.

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Micronucleus Frequencies in Human Umbilical Cord Blood by the Supravital Staining Method (인체에서의 초생체 염색법을 이용한 제대혈내 소핵 출현 빈도)

  • 박혜경;이은일;류재천;김해준
    • Environmental Mutagens and Carcinogens
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    • v.22 no.4
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    • pp.289-295
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    • 2002
  • This study was conducted to quantify of micronucleus frequencies in human umbilical cord blood by supravital staining method with acridine orange, and to find some factors that affected on micronucleus frequncies in humans. In this study, we used umbilical cord blood of new born infants that have sufficient reticulocytes compared with adult peripheral blood. The cord bloods were taken after childbirth from 60 normal infants in industrial and coastal region in Korea. The total of 3 ${mu}ell$ cord blood was applied to slide coated with acridine orange, and micronuclei were observed under fluorescent microscopy. Demographic factors and independent variables were collected from mothers by questionnaire. The frequencies of micronuclei in umbilical cord blood of new born infants were 0-5 per 2,000 reticulocytes by supravital staining method, and mean value and standard deviation were 1.75$\pm$0.97. There were no significant difference by the regions, smoking habits of father or mother. However, age of mother showed significant positive correlation with frequencies of micronuclei (p<0.05). Smoking at home by fathers also was found as a significant variable by muliple regression analysis. Therefore, further studies would be needed for genotoxicological evaluation of new born infants by microneuli test using supravital staining method.

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Weight Estimation of the Sea Cucumber (Stichopus japonicas) using Vision-based Volume Measurement

  • Lee, Donggil;Kim, Seonghoon;Park, Miseon;Yang, Yongsu
    • Journal of Electrical Engineering and Technology
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    • v.9 no.6
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    • pp.2154-2161
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    • 2014
  • Growth analysis and selection of sea cucumbers (Stichopus japonicas) is typically performed through length or weight measurements. However, because sea cucumbers continuously change shape depending on the external environment, weight measurement has been the preferred approach. Weight measurements require extensive time and labor, moreover it is often difficult to accurately weigh sea cucumbers because of their wet surface. The present study measured sea cucumber features, including the body length, width, and thickness, by using a vision system and regression analysis to generate $R^2$ values that were used to develop a weight estimation algorithm. The $R^2$ value between the actual volume and weight of the sea cucumbers was 0.999, which was relatively high. Evaluation of the performance of this algorithm using cross-validation showed that the root mean square error and worst-case prediction error were 1.434 g and ${\pm}5.879g$, respectively. In addition, the present study confirmed that the proposed weight estimation algorithm and single slide rail device for weight measurement can measure weights at approximately 4,500 sea cucumbers per hour.