• Title/Summary/Keyword: qualitative and quantitative evaluation

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The Research on Compression Image Quality of Full Field Digital Mammography on PACS Environment (PACS환경에서 Full Field Digital Mammography 영상의 압축 화질평가에 관한 연구)

  • Jeong, Jaeho;Kim, Eunsoo
    • Journal of the Korean Society of Radiology
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    • v.8 no.4
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    • pp.147-153
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    • 2014
  • We tried to assessment about characteristics of image through quantitative evaluation method and qualitative evaluation method in Full Field Digital Mammography. It satisfied an approval standard of ten score regardless of compression ratio measuring detection score after compressing and appling an algorithm of JPEG2000 orJPEG compression targeting ACR accreditation phantom. Also, it was apparent that when we selected and compressed the image of real fine lesion and measured a change of diagnosis ability magnifing over 50 percent after compressing over 20:1 ratio, it had a strong influence on diagnosis ability. We realized that the difference between the original image according to compression ratio measuring a quantitative evaluation which is PSNR,RMSE,MAE and SSIM was relatively allowable.

Research on Core patent mining methods based on key components of Generative AI (생성형 인공지능 기술의 핵심 구성 요소 기반 주요 특허 발굴 방법에 관한 연구)

  • Gayun Kim;Beom-Seok Kim;Jinhong Yang
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
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    • v.16 no.5
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    • pp.292-300
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    • 2023
  • This paper proposes a patent discovery method and strategy for Generative AI-related patents by utilizing qualitative evaluation indicators established based on the core components of the technology. Currently, the evaluation of patent quality relies on quantitative indicators, but existing quantitative indicators cannot represent the characteristics of Generative AI technology, making it difficult to accurately evaluate. Therefore, there is a need for additional qualitative indicators that consider technical characteristics based on patent claims, which can reveal the actual strength of the patent. In this paper, we propose a new evaluation index considering the technical characteristics of Generative AI. Core patents were selected using the proposed evaluation index, and the appropriateness of the proposed index was verified through the existing quantitative evaluation method for the selected core patents.

Development of the Qualitative Model for Post Construction Evaluation (건설공사 사후평가의 정성평가 모델 개발)

  • Lee, Kyu-Sun;Park, Hee-Sung
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.38 no.5
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    • pp.733-739
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    • 2018
  • Various public construction projects have been performed for public welfare and appropriate evaluation of the effectiveness and efficiency has been required. In accordance with legislation of a post construction project evaluation in Construction Technology Promotion Act, all construction projects that exceed 30 billion won in budget are required to perform post evaluation. Korean Government provides post construction evaluation manual that includes both quantitative and qualitative criteria. However, it only provides general concepts and procedures not but detail guidelines for different construction project types and characteristics. Therefore, this paper developed a standard format for qualitative evaluation using survey through analyzing previous cases and research. As a result, the developed standard for survey can be applied for most civil and architectural facilities. However, it will need further research regarding establishment of detailed evaluation criteria for each type of facilities and data storage system for feedback.

A Qualitative Study on Steering of Education Accreditation: With Case Study on Korean Medicine Education (학문분야별 평가인증제 운영에 관한 질적 사례 연구: 한의학을 중심으로)

  • Seo, Dongin;Shin, Sangwoo
    • The Journal of Korean Medicine
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    • v.40 no.3
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    • pp.21-34
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    • 2019
  • Objectives: The purpose of this article is to develop steering of program accreditation system in Korean Medicine Education through meta-evaluation. For this study, the subjects of our research were categorized as the accreditation criteria and system, results and effects, tasks for improvement on Korean Medicine Education. Methods: We conducted Focus Group Interview on 102 full-time professors with experience of participating on accreditation of Korean Medicine Education from 12 college of Korean Medicine Education and we analyzed it by thematic analysis. Results: The accreditation criteria and program evaluation system of Korean Medicine were listed as 'Confusion about the goals of program evaluation', 'High hurdles on accreditation', 'obsession to success cases', 'Small college complaints about applying the same criteria', 'Dilemma of quantitative and qualitative evaluation'. The results and effects of program evaluation in Korean Medicine Education were listed as 'Establishment of base infrastructure for basic medical education', 'Benchmarking and exchanging opinions through evaluation certification', 'Resistance to documents and document-based evaluation', and 'Double-sided of evaluation certification'. As for the tasks for further improvement, the following list is suggested. 'Actively promote evaluation certification', 'Simplification and standardization of forms', 'Requesting for activating about Evaluation committee', 'Need for consulting before regular evaluation'. Conclusion: It is necessary to upgrade the accreditation system and make efforts to improve the issues discovered for better Korean Medicine Education.

The Recommended Approaches for the Evaluation of Testicular Toxicity with Awareness of the Spermatogenic Cycle and Quantitative Testicular Toxicity Evaluation Methods (정자생성 주기법을 이용한 고환독성 평가 필요성과 정량적인 고환독성 평가방법에 대한 고찰)

  • 손우찬;김종춘;유일재
    • Toxicological Research
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    • v.19 no.2
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    • pp.83-90
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    • 2003
  • Since histopathological examination was known to be the most sensitive evaluation for testicular toxicity, regulatory authorities have been published the guidelines on practical testicular assay approach. Those guidelines specified details of evaluation including fixation, embedding, stain-ing, histological examination and also seminiferous tubular staging methods. However, there have been confusing understanding among toxicologists and even pathologists on staging theory and its application on industrial testicular toxicity. Guidelines did not intend to conduct quantitative assay with staging but recommended the use of knowledge of staging. To count each tubular stage with statistical analysis is known to be time consuming and labor burdening work but the significance of toxicity has little value. It also has been pointed out that the application of staging theory for longer-term toxicity considered to be lacking of rationale. It could be recommended that qualitative assay with aware-ness of germ cell loss is more efficient method rather than quantitative counting of each tubular stage. Therefore it would be required that comprehensive understanding of testicular toxicity evaluation and the use of testicular staging method.

A Study on the Evaluation Methods of IRDS for Screening the Industrial Design Proposals (IRDS 시스템에 의한 디자인 컨셉트의 평가방법 연구)

  • 우흥룡
    • Archives of design research
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    • v.20
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    • pp.51-58
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    • 1997
  • This paper aims to aid a practical evaluation for screening out the design proposais under applying the IRDS system, which is developed a computer aided industrial design system as a computer application system. In this study, the author adopted 3 evaluation methods with criteria which have quantitative and qualitative attributes : the Intuitive Evaluation Methods(X), the Accumulative Evaluation Method(Y), the Benchmarking Evaluation Methods(Z). The results show that the 3 Methods have reciprocal relationships under reliability(r=0.0001). In analysis on the properties of the evaluation methods, the Evaluation Method (X) shows rapidity especially, the Evaluation Method (Y); relativity, the Evaluation Method(Z); importance respectively. The correlation analysis between the evaluation methods makes the null hypothesis denying, then we could adapt the research hypothesis. Therefore the correlation between them has positive relationship, and it shows thicker than the result of the 1st study.

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Quality Evaluation of Ultrasonographic Equipment Using an ATS-539 Multipurpose Phantom in Veterinary Medicine

  • Cho, Young-kwon;Lee, Youngjin;Lee, Kichang
    • Journal of Veterinary Clinics
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    • v.39 no.3
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    • pp.114-120
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    • 2022
  • The purpose of this study is to examine the status of quality control using multipurpose phantom of ultrasound equipment used in hospital of veterinary college in South Korea by using ATS-539 multipurpose phantom so as to examine quantitative and objective new image evaluation method. Specialists discussed and analyzed multipurpose phantom images acquired by using convex transducer of 10 ultrasound imaging devices, currently used in 9 veterinary colleges, at 4.0-6.0 MHz. Total 8 items that can be measured with ATS-539 multipurpose phantom including dead zone, vertical and horizontal measurement, axial/lateral resolution, sensitivity, focal zone, functional resolution and gray scale/dynamic range were evaluated. For qualitative evaluation, valid decisions were made based on dead zone, axial/lateral resolution, and gray scale/dynamic range which are resolution index, and coefficient of variation (COV) and blind referenceless image spatial quality evaluator (BRISQUE) were found to increase objectivity. As a result of experiment, all the targeted ultrasonic devices were found appropriate from qualitative evaluation items of dead zone, axial/lateral resolution, and gray scale/dynamic range. In other evaluation items, they were found to be appropriate from focal zone and vertical measurement of quantitative evaluation while inappropriate from horizontal measurement, sensitivity, and functional resolution. COV value was 0.12 ± 0.04, and BRISQUE value was 47.77 ± 2.77, both analysis results show that the noise level of all ultrasonic devices was located within tolerance range. Upon image examination using ATS-539 multipurpose phantom, they were 100% appropriate with inspection standards of dead zone, axial/lateral resolution, and gray scale/dynamic range, and besides, focal zone and functional resolution can be used as evaluation items. In the field of veterinary medicine, 8 standard items using ATS-539 multipurpose phantom and image evaluation items using COV and BRISQUE can be used as standards for quality control of ultrasonography machine.

A Study on the Design of Sustainability Evaluation Model Applied to Systems Engineering Technical Process : Focused on the Mobile Industry (시스템엔지니어링 기술 프로세스를 적용한 지속 가능 평가모델 설계 연구 : 모바일 산업 중심으로)

  • Kim, Sang Jin;Cha, Woo Chang
    • Journal of the Korean Society of Systems Engineering
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    • v.17 no.2
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    • pp.9-22
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    • 2021
  • A study on the sustainability evaluation of the requirements of the mobile industry closely related to the human factor was needed. We conducted the sustainability evaluation of the mobile industry using a quantitative evaluation method with the AHP tool and a qualitative evaluation method reflecting the technological age flow of the philosophical thoughts to improve the reliability of the evaluation results of the model verification. And this evaluation is to evaluate the consistency of the connection between the national sustainability and the mobile industry. In order to draw the conclusion of the relevance, the team member Delphi 5-point scale was used. As a result, the priority was confirmed in the national sustainable development indicator and mobile industry indicator. Quantitative and qualitative evaluation was applied to the discontinued model of mobile to derive insufficient indicators, and it was confirmed that if the indicators were improved and reflected, it would be sustainable. And in order to secure reliability and accuracy, we made a proposal to apply the systems engineering process to the development of the model evaluation field. The systems engineering technology process meets the needs and requirements of stakeholders throughout the lifecycle and it is suitable for the development model of the industry's sustainability assessment.

A Review of FTA Methods for FT Construction & Evaluation(I) (FT구축 및 평가를 위한 FTA방법의 일반적 고찰(I))

  • 박주식;김길동;강경식;박상민
    • Journal of the Korea Safety Management & Science
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    • v.2 no.3
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    • pp.13-25
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    • 2000
  • This paper reviews and classify fault-tree analysis methods developed since 1960 for system safety and reliability. Fault-tree analysis is a useful analytic tool for the reliability and safety of complex systems. The literature on fault-tree analysis is, for the most part, scattered through conference proceedings and company reports. This paper classify the literature according to system definition, fault-tree construction, qualitative evaluation, quantitative evaluation, and available computer codes for fault-tree analysis.

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A Research on Economic Evaluation of Public Web Service (공공 웹 서비스의 경제성 평가에 관한 연구)

  • 박정선
    • The Journal of Society for e-Business Studies
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    • v.6 no.2
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    • pp.57-71
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    • 2001
  • This paper provides an economic evaluation model for public web services which are mainly operated by government agencies. Though there are various services, this paper focus on services for bottleneck problem solving and management information providing. This paper suggests quantitative and qualitative effects of public web services and evaluates them with I-NET users using e-mail surveys. This Paper mv provide a guideline for the future investment on public web services.

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