• Title/Summary/Keyword: 객관적 품질평가지수

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Calculation of Objective Quality-Evaluation-Index for Mosaic Imagery (모자이크 영상의 객관적 품질평가지수 산정 방법)

  • Woo, Hee-Sook;Noh, Myoung-Jong;Park, June-Ku;Cho, Woo-Sug;Kim, Byung-Guk
    • Journal of Korean Society for Geospatial Information Science
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    • v.17 no.3
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    • pp.33-40
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    • 2009
  • This paper proposes the assessment method for objective quality-evaluation-index of mosaic images. Quality assessment was evaluated using seam-line method and similarity and contrast of adjacent images. The evaluation measure was calculated based on selected evaluation criteria and compared with human visual inspection. It was found that quantitative quality evaluation measure showed that the evaluation results were similar to human visual check. Conclusively experimental results proved that proposed evaluation measure could be used for quantitative and objective quality assessment of mosaic images.

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Evaluation of Web Sites as Information Resources of Liraries (정보자원으로서의 웹사이트 평가에 관한 연구)

  • 황혜경;정영미
    • Proceedings of the Korean Society for Information Management Conference
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    • 1999.08a
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    • pp.95-98
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    • 1999
  • 본 연구의 목적은 양질의 웹사이트를 선별하기 위한 평가 기준을 수립하고 평가 항목에 계량적인 평가 척도를 적용한 평가 모형을 제시하는 데 있다. 문헌연구 및 예비실험을 통해 보편적이고 객관적으로 적용될 수 있다고 판단된 평가 항목을 선정하여 내용, 디자인, 접근의 용이성 범주로 구분, 국내 웹사이트 평가실험에 사용하였다. 평가실험은 객관적 평가와 주관적 평가를 사용하였으며, 이를 토대로 산출된 각 품질 평가 지수에 근거하여 유용한 웹사이트를 선정하는 단계를 제시하였다.

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Evaluation Model for Design Quality using Change Order Analysis (설계변경 분석을 통한 설계품질 평가모델)

  • Lee Seung-Heon;Lee Hyun-Soo
    • Korean Journal of Construction Engineering and Management
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    • v.1 no.1 s.1
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    • pp.72-79
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    • 2000
  • Design quality in constructed project is a primary consideration to achieve overall project objectives. It is not easy to evaluate the design quality because various factors are involved in the design process. This paper presents a new approach to improve the evaluation process of design quality In the construction project The evaluation model is developed to satisfy the requirement for implementing the ISO 9000 Quality Assurance Standards in the design process. It is assumed that design changes are resulted from the poor management of design quality. The model relates design changes to design quality management items. It assigns weight ratio to each design quality item to evaluate quantitatively Design Quality Index (DQI) is calculated to assess design quality based on the Objectives Matrix. A case study is performed to illustrate the practical implementation of the design quality evaluation.

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A Study on the classification of quality attributes in culinary education based on the Kano model (Kano 모델을 기반으로 한 조리교육 품질속성 분류에 관한 연구 - 전문대학, 전문학교를 중심으로 -)

  • Kim, Tae-Hyun;Kim, Tae-Hee
    • Culinary science and hospitality research
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    • v.19 no.5
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    • pp.170-183
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    • 2013
  • The purpose of this study is to classify the attributes of culinary educational quality by using the Kano model. This study carried out literary research and empirical analysis. Data were collected among 486 students whose major is culinary arts and analyzed with SPSS 19.0 and EXCEL 2007. It classified culinary educational quality by employing the Kano model and modified the Better and Worse quotients suggested by Timko. The results of the study are as follows. First, it was found that total 25 attributes could be classified into 17 Attractive quality attributes, 2 Must-be quality attributes and 6 Indifferent quality attributes, while One-dimensional quality, Reverse quality and Questionable quality attributes were not found. Second, according to the Better and Worse quotient by Timko, "Objective instructor's evaluation" item was the highest score in the Better quotient. On the other hand, the "Having foreign professors" item is the lowest in the Worse quotient. Third, marketing implications and limitations were discussed.

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A Study on the Evaluation of Service Quality Index for International Airport Using MCJ (MCJ를 이용한 공항서비스 품질지수 평가에 관한 연구)

  • Lee, Seung-Chang;Lee, Gang-Seok
    • Journal of Korean Society of Transportation
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    • v.23 no.1
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    • pp.45-54
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    • 2005
  • The main purpose of this study is located at developing Ominibus Monitoring System(OMS) for the purpose of the internal management, which enable to establish job standards, find out matters to be improved, and appreciate for its treatment in a systematic way. It is through developing subjective or objective estimation tool with use of importance, perceived level, and complex index at international airport by each principal service items, The direction of this study came towards for the purpose of developing a metric analysis tool, utilizing the Quantitative Secondary Data, Analysing Perceived Data through airport user surveys, systemizing the data collection-input-analysis process, making data image according to the graph of results, planning service encounter and endowing control attribution, and ensuring competitiveness at the minimal international standards. It is much important to set up a pre-investigation plan on the base of existent foreign literature and actual inspection to international airport. Two tasks have been executed together on the base of this pre-investigation; one is developing subjective estimation standards for departing party, entering party, and airport residence and the other is developing objective standards as complementary methods. The study has processed for the monitoring services at airports regularly and irregularly through developing software system for operating standards after ensuring credibility and feasibility of estimation standards with substantial and statistical way.

Development of Quality Competitiveness Assessment Model for RFID Tags in Apparel Retail (의류품 유통관리용 RFID 태그 품질경쟁력 평가모델 개발)

  • Kwon, Jongwon;Yang, Ilyoung;Song, Taeseung;Cho, Wonseo
    • Journal of the Institute of Electronics and Information Engineers
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    • v.52 no.7
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    • pp.143-152
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    • 2015
  • The 'Quality Competitiveness Index' (QCI) is defined as an quantitative and disinterested indicator that measures and compares the quality of products across the world. The purpose of this study is to suggest the 'Quality Competitiveness Assessment Model' (QCAM) and calculate QCI of a popular UHF RFID Label tag (Global ISO 18000-3C supported) available these days in a global apparel market. The model was based on KS-QEI(Korean Standard-Quality Excellence Index), and was composed with the following 4 evaluation categories, a process capability test, an environmental reliability test, a durability test and a design margin test. The QCI score can be calculated with the following formula, using the weighted arithmetic mean between a score of each evaluation category ($X_1$, $X_2$, $X_3$, $X_4$) and each weight($w_1$, $w_2$, $w_3$, $w_4$). The actual weights was determined by an result of AHP survey to which was conducted for the related Industry-University-Institute experts. The proposed index shows the results of comparisons with global competitor's products as well as the high-quality domestic RFID label tags. In addition, it will play an important role for manufacturers when developing their future products.

A Systematic Approach to Quality Measurement of Official Statistics) (국가통계 품질측정을 위한 체계적 접근 - 표본조사의 품질평가지표 개발을 중심으로)

  • 이동명;김설희
    • Proceedings of the Korean Association for Survey Research Conference
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    • 2002.11a
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    • pp.111-127
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    • 2002
  • As the utilization of official statistics has been recently increased, the necessity of objective quality assessment also has been increased. Since mean square error(MSE) and response rate, which have been considered as representative quality indicators in the past, may have the limits of use, it has been demanded to develop new quality indicators which are able to reflect the various requirements of users. In this paper, regarding sample surveys conducted by governmental agencies, the flow of procedures in statistics production is analyzed using input-output of each procedure. As the result, how to identify and develop quality indicators for each procedure is discussed, with some instances of indicators. Finally, the quality index using the results of quality assessment would be calculated based on a weighting method by the size of deviation of statistical measures.

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Evaluation of Image Quality and dose with the Change of kVp and BMI in the Liver CT (CT 검사 시 관전압과 BMI 변화에 따른 화질 및 피폭평가)

  • Kim, Dong-Hyun;Ko, Sung-Jin;Kang, Se-Sik;Kim, Jung-Hoon;Choi, Seok-Yoon;Kim, Changsoo
    • The Journal of the Korea Contents Association
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    • v.13 no.6
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    • pp.331-338
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    • 2013
  • CT for follow-up visits because of liver disease, body mass index (BMI) and kVp according to the change of the image quality and radiation dose to evaluate for changes. March 2010 to June 2011 at Pusan P University Hospital, abdominal CT scans a patient BMI (Body Mass Index. Less BMI) index was less than 25 in the treatment of subjects had a 48-person Noise and SNR at 100kVp abdominal image is lager than the 120kVp image. CTDI volume value at by the analysis of the radiation dose is 4.47mGy(100kVp) and 9.01mGy(120kVp). So CTDIvol in 100kVp is smaller than CTDIvol in 120kVp(decrease by 44.1%). And, effective dose is 7.1mSv(100kVp) and 12.51mSv(120kVp). So effective dose in 100kVp is smaller than effective dose in 120kVp(decrease by 43%). Evaluation of image quality is that Unacceptable 0 person, Suboptimal 0 person, Adequate 0 person, Good 1 person, Excellent 47 person. In case of repeatly patient, we examinate abdomianl CT scan by using low kVp and body mass index less than 25. We can has good quality image and benefit of low radiation dose.

Application of Color Index for Red Grapes (CIRG) for Assessment of Grape Quality (포도의 품질 평가를 위한 CIRG 값의 적용)

  • Choi, Jae-Youn;Cho, Eun-Kyung;Park, Seo-Jun;Hur, Youn-Young;Nam, Jong-Chul;Koh, Sang-Wook;Jung, Sung-Min
    • Journal of Bio-Environment Control
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    • v.23 no.3
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    • pp.244-249
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    • 2014
  • Hunter value ($L^*$, $a^*$, $b^*$) is a rapid and convenience method for compare with different skin color, but not suitable to compare quality with various grape cultivars. Color Index for Red Grapes (CIRG) is one of a simply convert method for grape skin color as numeric data, and many previously result showed that high correlation between CIRG index and various quality factors of grape. In this experiment, we measured CIRG index, total soluble solids (TSS), titratable acidity (TA), and total anthocyanin content on the grapes (Campbell Early, Heukbosuk, Kyoho) from the varaison to harvest. As a result, CIRG index and anthocyanin contents have an exponential correlation; r-square is each 0.8595 in the 'Campbell Early' and 0.8500 in 'Heukbosuk'. And TSS and CIRG index have a positive r-square, at the Campbell Early is 0.7758 and Heukbosuk is 0.7253. Also TA and CIRG index have a positive r-square, at the Campbell Early is 0.7279 and Heukbosuk is 0.6630. These results were shown that CIRG index is a reliable indicator for a none-destructive evaluation of the grape quality.

Perceptual Generative Adversarial Network for Single Image De-Snowing (단일 영상에서 눈송이 제거를 위한 지각적 GAN)

  • Wan, Weiguo;Lee, Hyo Jong
    • KIPS Transactions on Software and Data Engineering
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    • v.8 no.10
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    • pp.403-410
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    • 2019
  • Image de-snowing aims at eliminating the negative influence by snow particles and improving scene understanding in images. In this paper, a perceptual generative adversarial network based a single image snow removal method is proposed. The residual U-Net is designed as a generator to generate the snow free image. In order to handle various sizes of snow particles, the inception module with different filter kernels is adopted to extract multiple resolution features of the input snow image. Except the adversarial loss, the perceptual loss and total variation loss are employed to improve the quality of the resulted image. Experimental results indicate that our method can obtain excellent performance both on synthetic and realistic snow images in terms of visual observation and commonly used visual quality indices.