• 제목/요약/키워드: subjectivity research

검색결과 242건 처리시간 0.029초

Automatic Extraction of Lean Tissue for Pork Grading

  • Cho, Sung-Ho;Huan, Le Ngoc;Choi, Sun;Kim, Tae-Jung;Shin, Wu-Hyun;Hwang, Heon
    • Journal of Biosystems Engineering
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    • 제39권3호
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    • pp.174-183
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    • 2014
  • Purpose: A robust, efficient auto-grading computer vision system for meat carcasses is in high demand by researchers all over the world. In this paper, we discuss our study, in which we developed a system to speed up line processing and provide reliable results for pork grading, comparing the results of our algorithms with visual human subjectivity measurements. Methods: We differentiated fat and lean using an entropic correlation algorithm. We also developed a self-designed robust segmentation algorithm that successfully segmented several porkcut samples; this algorithm can help to eliminate the current issues associated with autothresholding. Results: In this study, we carefully considered the key step of autoextracting lean tissue. We introduced a self-proposed scheme and implemented it in over 200 pork-cut samples. The accuracy and computation time were acceptable, showing excellent potential for use in online commercial systems. Conclusions: This paper summarizes the main results reported in recent application studies, which include modifying and smoothing the lean area of pork-cut sections of commercial fresh pork by human experts for an auto-grading process. The developed algorithms were implemented in a prototype mobile processing unit, which can be implemented at the pork processing site.

Knowledge Based Automated Boundary Detection for Quantifying of Left Ventricular Function in Low Contrast Angiographic Images (저대조 혈관 조영상에서 좌심실 기능의 정량화를 위한 지식 기반의 경계선 자동검출)

  • 전춘기;권용무
    • Journal of Biomedical Engineering Research
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    • 제17권1호
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    • pp.109-120
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    • 1996
  • Cardiac function is evaluated quantitatively using angiographic images via the analysis of the shape change or the heart wall boundaries. To kin with, boundary defection or ESLV(End Systolic Lert Ventricular) and EDLV(End Diastolic Left Ventricular) is essential for the quantitative analysis of cardiac function. The boundary detection methods proposed in the past were almost semi-automatic. Intervention by a knowledgeable human operator was still required Of con, manual tracing of the boundaries is currently used for subsequent analysis and diagnosis. This method would not cut excessive time, labor, and subjectivity associated with manual intervention by a human operator. EDLV images have noncontiguous and ambiguous edge signal on some boundary regions. In this paper, we propose a new method for automated detection of boundaries in noncontiguous and ambiguous EDLV images. The boundary detection scheme which based on a priori knowledge information is divided into two steps. The first step is to detect the candidate edge points of EDLV using ESLV boundaries. The second step is to correct detected boundaries of EDLV using the LV shape. We developed the algorithm of modifying EDLV boundaries defined adaptive modifier. We experimented the method proposed in this paper and compared our proposed method with the manual method in detecting boundaries of EDLV. In the areas within estimated boundaries of EDLV, the percentage of error was about 1.4%. We verified the useflilness and obtained the satisfying results througll the experiments of the proposed method.

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A study on location selection of total circulation complex using fuzzy theory (퍼지이론을 이용한 종합유통단지 입지 선정에 관한 연구)

  • Oh, Sun-Il;Yoon, Ho-Bin;Kang, Kyung-Sik
    • Journal of the Korea Safety Management & Science
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    • 제10권1호
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    • pp.91-105
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    • 2008
  • Nowadays, circulation industry is taking charge of important role in improvement of competitive power on the manufacturing industry and public welfare increase of consumer, price stabilization, employment creation and so on. A lot of research have been progressing for formation of total circulation complex, but decision making for selection of location on some facility is only calculated the optimum value when correct data values are inserted. However, a lot of decision making is accomplished in situation that have little knowledge of objective and constraints and as real world is also evaluated inclusive of analyst's subjectivity about variable, indefinite and fuzzy part, so it is decreasing a reliability on evaluation result and complicating objective evaluation on various effect and negative impact. Accordingly, from under like this situation, this study is to develop location decision model of circulation complex using fuzzy theory from the intention for the most reasonable decision making in fuzzy situation based on decision making problem on conventional location and size decision that did to be satisfactory constraints necessarily.

A Study on the Formation of a Style - Focusing on the Style of Iris Van Herpen - (스타일 형성에 관한 연구 - Iris Van Herpen의 스타일을 중심으로 -)

  • Kim, Yon-Son
    • Journal of Fashion Business
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    • 제16권2호
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    • pp.124-137
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    • 2012
  • This study aims to identify the meaning and formation cause of a style, and the essential elements of style formation, through psychobiological research as well as an analysis of the designs of Iris Van Herpen, a fashion designer, who in just 6 years has developed into a world-renowned new designer. As a result, it has been found that the psychobiological causes to form a style stem from the action of 'long-term memory', which is consolidated by 'selective attention', 'perceptional subjectivity', the principle of the 'neuron's connection specificity and invariance', and the principle of a 'neuronal signal's unilateral flow'. With such action, Herpen could develop her own original composition techniques. The formative shapes created by such composition techniques are characterized by enumeration, superposition, and hanging. The study has also found that the essential elements for a designer to be able to form his/her own style include 'aesthetic originality' in which the designer views the property of a thing from his/her inherent perspective, and finds the uniqueness from the thing that only he/she can express, 'technical differences' that are creative and original, and 'formative specificity' that is summarized into one property through an impressive shape.

A Semantic Analysis of Human Body Russian Slang (사람의 신체에 대한 러시아어 슬랭의 의미론적 분석)

  • Kim, Sung Wan
    • Cross-Cultural Studies
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    • 제31권
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    • pp.241-262
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    • 2013
  • In this study, we select and analyze the slang that is represented in Elistratov's "Dictionary of Russian slang". Through the above analysis, some conclusions were drawn as follows: First, as a social and psychological phenomenon appears universal in all languages, the study of slang generates strict criteria for the analysis. Unlike literary language, listed in the dictionary slang expressions can become obsolete for their short period of usage by native speakers. Therefore, in the following research of the actual data, we have to validate words targeted for analysis. Second, as the result of the analysis it is metaphor for the most part studied rather than metonymy. The semantic derivations as a result of metonymy are used very frequently in real life. But in this study we mainly analyze words, therefore the number of words was less in metonymy than was expected. Third, the basic types of metaphor are appeared as similarity by form, function, and location, and there are varieties of intervening of subjectivity in similarity of emotional impression. Fourth, the metonymy is divided into three cases: the part meaning the whole, the whole meaning the part, and some thing meaning the reality of where it exists. Fifth, not only literary language, but also slang as the 'transitional process' is the most active way of development of new meanings, and there are two methods to transfer main meaning to second meaning.

Types of Perception toward Ethical Issues in Perioperative Nurses: Q-Methodological Approach (수술실 간호사의 윤리적 이슈에 대한 인식 유형: Q방법론적 접근)

  • Kim, Jin Nam;Jeong, Seok Hee
    • Journal of Korean Academy of Nursing
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    • 제48권6호
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    • pp.679-691
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    • 2018
  • Purpose: This study was aimed at identifying the types of perceptions of ethical issues among perioperative nurses. Methods: Q-methodology focusing on individual subjectivity was used with data collected in November 2016. Thirty-four Q-statements were selected and scored by the 35 participants on a 9-point scale with normal distribution. Participants were perioperative nurses working in advanced general hospitals and general hospitals. The data were analyzed using the PC-QUANL program. Results: A total of 35 perioperative nurses were classified into 4 factors based on the following viewpoints: self-centered (type 1), onlooking and avoiding (type 2), patient-centered (type 3), and problem-centered (type 4). The 4 factors accounted for 57.84% of the total variance. Individual contributions of factors 1, 2, 3, and 4 were 41.80%, 7.18%, 5.20%, and 3.66%, respectively. Conclusion: The major contribution of this study is the clarification of perioperative nurses' subjective perceptions of ethical issues. These findings can be used in formulating effective strategies for nursing educators, professional nurses, and nursing administrators to improve ethical decision-making abilities and to perform ethical nursing care by the appropriate management of ethical issues in everyday nursing practice.

A Study on the Data Quantification of Weapon System RAM Objective Setting Using Evidence Theory (증거 이론을 활용한 무기체계 RAM 목표값 설정근거 정량화에 관한 연구)

  • Na, Il Yong
    • Journal of the Korea Institute of Military Science and Technology
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    • 제25권1호
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    • pp.96-107
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    • 2022
  • When setting the RAM objectives, various data such as expert opinions and the historical data of similar types of equipment are used. However, many times subjectivity is involved in the process of merging and utilizing data, and there are many cases where some information is omitted or an ambiguous method is used. Most of the previous work focused only on the process or method of calculating values using well-organized data rather than manipulating raw data. But if the data manipulation process is not objective, it is difficult to guarantee the accuracy of the results even if the calculation logic and method are accurate. This study proposes a systematic data merging process used to set the RAM objectives using the evidence theory. The proposed method can be used to avoid information loss and merge the data objectively. Moreover, contribute to improving the accuracy of setting the RAM objectives in the future.

Monitoring People's Emotions and Symptoms after COVID-19 Vaccine

  • Najwa N. Alshahrani;Sara N. Abduljaleel;Ghidaa A. Alnefaiy;Hanan S. Alshanbari
    • International Journal of Computer Science & Network Security
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    • 제23권6호
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    • pp.202-206
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    • 2023
  • Today, social media has become a vital tool. The world communicates and reaches the news and each other's opinions through social media accounts. Recently, considerable research has been done on analyzing social media due to its rich data content. At the same time, since the beginning of the COVID-19 pandemic, which has afflicted so many around the world, the search for a vaccine has been intense. There have been many studies analyzing people's feelings during a crisis. This study aims to understand people's opinions about available Coronavirus vaccines through a learning model that was developed for this purpose. The dataset was collected using Twitter's streaming Application Programming Interface (API) , then combined with another dataset that had already been collected. The final dataset was cleaned, then analyzed using Python. Polarity and subjectivity functions were used to obtain the results. The results showed that most people had positive opinions toward vaccines in general and toward the Pfizer one. Our study should help governments and decision-makers dispel people's fears and discover new symptoms linked to those listed by the World Health Organization.

Practical Analysis of Developed Bibliometric Indicators for Evaluation of National R&D Programs - Case Study of World Class University Program - (국가연구개발사업 계량평가 도입 효용성에 대한 실증적 분석- 세계수준의 연구중심대학(WCU)육성사업을 중심으로 -)

  • Cho, Woo-Hyun;Woo, Jung-Pyo;Song, Chung-Han
    • Journal of Korea Technology Innovation Society
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    • 제13권3호
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    • pp.494-512
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    • 2010
  • Recently diversity of research field is emphasized all over the world. Nations with advanced programs in research field keep developing new R&D programs for interdisciplinary studies. These new research atmospheres need objective validity in evaluation process. Peer review is recognized as a best evaluation method for national research and development programs. However, peer review system has restrictive boundary because of its subjectivity of the reviewer. Scientometrics has been developed as an alternative system to peer review. But the effectiveness of quantitative indicators which also has qualitative aspect is rarely analyzed in real program evaluation. In this study, we suggest distribution of marks of peer review and newly developed quantitative review through analyzing deviations between two different reviews in real national R&D program evaluation. Moreover, we could have significant correlation between two review systems in the same case study.

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A Study on the Users' Perception of Autonomous Vehicles using Q Methodology (Q 방법론을 활용한 자율주행 자동차에 대한 사용자 인식에 관한 연구)

  • Lee, Young-Jik;Ahn, Hyunchul
    • The Journal of the Korea Contents Association
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    • 제20권5호
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    • pp.153-170
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    • 2020
  • With the recent development of AI and ICT, autonomous vehicles are becoming a reality, and sales of the vehicles equipped with partial autonomous driving technology are also rapidly expanding. In this situation, technology research on autonomous vehicles has been actively conducted, but research on exploring the perception of autonomous vehicles from the user's perspective is relatively insufficient. Therefore, this study categorizes autonomous vehicle users into four types - , , , and . Then, it examines the characteristics of each type. For this purpose, we applied Q-methodology, a qualitative research method, to observe self-referent subjectivity of 32 P-samples using a Q-sample which consists of 34 statements. The results of our study have significance in that they provide domestic and global automakers with strategic directions for technological development and market expansion of autonomous vehicles, and academically provide hypotheses for subsequent quantitative research.