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Performance Improvement of Steganalysis based on image Categorization Using Correlation Coefficient (상관계수를 이용한 영상의 범주화에 근거한 스테그분석의 성능 개선)

  • Park, Tae Hee;Eom, Il Kyu
    • Journal of the Institute of Electronics and Information Engineers
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    • v.50 no.6
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    • pp.221-227
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    • 2013
  • This paper proposes an improved steganalysis method based on image categorization. In general, most steganalysis methods extract the statistical moments based features which contain the global natures of images regardless of their inherent characteristics. However, the steganalysis method based on the statistical moments leads to degraded performance by applying to images with different complexity. In this paper, we decompose an 8-bit image into an upper 4-bit plane and a lower 4-bit plane, and categorize the image with two classes according to the correlation coefficient between decomposed sub-images. Two independent steganalyses can be performed for the categorized images. Since our method uses independent steganalysis technique according to the image category, it can reduce the drawback of the steganalysis methods utilizing the statistical moments. The performance of the proposed scheme is compared with well-known four steganalysis methods. Experiment results show that the proposed scheme has higher detection rate than previous methods.

Study on the 'Pulse Syndrome Complex and Treatment of Blood Paralysis and Weakness Fatigue' in The Synopsis of Golden Chamber (금궤요략.혈비허로병맥증병치제육(血痺虛勞病脈證幷治第六)에 대한 연구)

  • Cheon, Sang-Muk;Han, Sung-Kyu;Yeo, Sung-Won;Lee, Yun-Cheon;So, Yong-Sub;Ro, Seung-Jo;Jeong, Heon-Young
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.20 no.2
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    • pp.333-344
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    • 2006
  • The Blood paralysis(血痺) is infected by a poisonous factor of wind and it disturbs the circulation of meridian. This disease is similar phenomenon to the Blutsaure(血柱) and belongs to the category like the Radial nerve paralysis, the Ulna nerve paralysis and the unstability syndrome of the lower limbs. This dissertation will inquire into symptoms, the way of treatment and the prescriptions of this disease based on the Synopsis of Golden Chamber. The Weakness and fatigue(虛勞) is occurred by several causes. This disease means all the functions of body weakened. This dissertation will inquire into pulse conditions according to the type of the Weakness and fatigue(虛勞), symptoms, the way of treatment and the prescriptions of this disease based on the Synopsis of Golden Chamber.

선도기술개발사업의 경제.사회적 평가방법연구

  • 김상준;임윤철;최기련
    • Proceedings of the Technology Innovation Conference
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    • 1999.12a
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    • pp.216-239
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    • 1999
  • Korean government has planned a large scale multidepartment-participated national R&D program to advance and improve her science and technology and the quality of life In the level of advanced(especially G-7) countries in the forthcoming 21st century. It is called as "Highly Advanced National projects" or "G7 projects", which was initiated in 1991 with 18 sub-programs to date. It has planned to be continued until 2001 with its total fund of 4, 591 billion Won, comprised of 2, 033 billion Won from the public sector and 2, 558 billion Won from the private sector. Evaluation activities, the country has carried out to date, for national R&D programs including HAN projects are focused mainly on the assessment of scientific and technological results to decide that a specific program should be continued, terminated, or modified. Thus, it is necessary for national R&D programs to be evaluated socioeconomically for the purpose of assessing the nationwide economic and social impact from the program. Socioeconomic evaluation would be told how and where the program contributed to the society, and what the socioeconomic impacts are resulted from the program. It would be useful for the means of (ⅰ) fulfillment of public accountability to legitimate the program and to reveal the expenditure of pubic fund, and (ⅱ) managemental and strategical learning to give information necessary to improve the making. program and policy decision making, The objectives of the study are to develop the methodology of modeling the socioeconomic evaluation, and build up the practical socioeconomic evaluation model of the HAN projects including scientific and technological effects. Since the HAN projects consists of 18 subprograms, it is difficult In evaluate all the subprograms simultaneously. Despite, each program is being performed under the category of HAN projects, so the common socioeconomic issues are existing, The followings are main results of the study. First, the hierarchical structure of the socioeconomic evaluation are constructed; Evaluation Perspective, Evaluation Bounds, and Evaluation Aspect. Second, based on the goals of the HAN projects, the evaluation perspectives are established as (ⅰ) the strengthening of industrial competitiveness, (ⅱ) the enhancement of national scientific and technological capability, (ⅲ) the improvement of quality of life. Third, the evaluation bounds for each evaluation objective are defined to specify the affected area. Finally, the evaluation aspects for each evaluation bounds are formulated containing essential elements describing the evaluation bounds.

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Domain Analysis on the Field of Open Access by Co-Word Analysis (동시출현단어 분석 기반 오픈 액세스 분야 지적구조에 관한 연구)

  • Seo, SunKyung;Chung, EunKyung
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.24 no.1
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    • pp.207-228
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    • 2013
  • Due to the advance of scholarly communication, the field of open access has been studied over the last decade. The purpose of this study is to analyze and demonstrate the field of open access via co-word analysis. The data set was collected from Web of Science citation database during the period from January 1998 to July 2012 using the Topic category. A total of 479 journal articles were retrieved and 8,643 noun keywords were extracted from the titles and abstracts. In order to achieve the purpose of this study, network analysis, clustering analysis and multidimensional scaling mapping were used to examine the domain and the sub-domains of open access field. 18 clusters in the network analysis are recognized and 4 clusters are shown in the map of multidimensional scaling. In addition, the centrality analysis in the weighted networks was used to explore the significant keywords in this field. The results of this study are expected to demonstrate and guide the intellectual structure and new approaches of open access field.

A Structured Methodology of Optimal Combination of Eco-Energy Development Technologies: Focusing on Wind Power Technology Combination (친환경 에너지 개발 기술 최적 조합 선정을 위한구조적 방법론: 풍력 발전 기술 조합 선정을 중심으로)

  • Kwon, Ohbyung;Cui, Nan
    • Journal of Environmental Policy
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    • v.10 no.1
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    • pp.93-127
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    • 2011
  • Investment on technology to obtain green energy is prevailing all over the world. The technology development project is more likely to involve multiple sub-projects, each of which is related to develop elementary technology when the project is larger and nation-wide. However, the methodologies identifying optimal combination of elementary technologies among the candidates have been very few. Hence, the purpose of this paper is to propose a novel methodology which provides an optimal combination of green energy technologies. To do so, to-be developed technologies are clustered with multiple categories. Among the technologies, based on Delphi method, the experts select a representative technology, which is indispensible to the green energy system and has the highest connectivity with other elementary technologies. Then the methodology selects an elementary technology from each technology category based on two metrics: Relatedness with representative technology and project risk. To show the feasibility of the proposed methodology, we applied the methodology to an actual windmill development project.

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A Study on Emergency Medical System Out of Hospital (Centering on the Limitation of Emergency Medical Service Out of Hospital in the Emergency Medical Technicians) (병원 전 응급의료체계에 관한 연구(응급구조사의 병원 전 응급의료의 제한 중심으로))

  • Park, Sang-Sub;Baek, Hong-Seok
    • The Korean Journal of Emergency Medical Services
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    • v.9 no.2
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    • pp.89-100
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    • 2005
  • Due to the improvement in life, we, human beings, are living in the more convenient world. However, as society gets complex, it comes to be faced a dangerous situation that needs to request a help due to an unexpected accident. The promptly emergency relief and emergency treatment from this accident, can be said to be extremely important in increasing a rate of resuscitation. This study analyzed on a case study and problems about the Emergency Medical System out of hospital in our country. The contents in the results of a study can be summarized as follows. 1. given the occurrence of medical disputes in a situation of emergency treatment, the regulation in the legal protection 'Will need to be reinforced. 2. in relation to the mobilization of ambulance, the preferentially passage right in ambulance needs to be guaranteed. In general, the preferentially passage right in ambulance is secured, but it will need to be supplemented by improving the education in civic consciousness and the social system. 3. in case of emergency duties in the emergency medical technician, the countermeasure will need to be strengthened in terms of abusive language and violence from a citizen. 4. in terms of emergency duties in the emergency medical technician, aiming to keep safety from a sudden situation, the possession of the protective equipments will need to be completely provided. 5. the limitation of activity will need to be eased by expanding the range of duties in the emergency medical technician within the ambulance, and the opening of duties will need not to be allowed to the similarly job category. 6. it needs to be reinforced the safety of the emergency medical technician from infectious diseases. Aiming at these emergency medical technicians whose service spirit is thoroughgoing, the nation and the local government will need to form all the conditions in which emergency medical technicians can be active passionately.

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A Study on the Characteristics of System Furniture (시스템 가구의 특성에 관한 연구)

  • 신홍경
    • Korean Institute of Interior Design Journal
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    • no.6
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    • pp.45-52
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    • 1995
  • The presentation of the method by which the furniture and the architecture can be unified in one category, and the study and the verification on the mutual relation in the shape and the function are having been consistently made till the late twenties. The change of the social structure such as increasing the unit dwelling space with the small scale comes to need the efficiency in using space and the open dwelling space by the systematic spa-cial formation. Therefore, the understanding of the mean-ing and the characteristics of system furnitures as the design method which can meet such needs will be made here in this study. The application of the systematic consideration as the method of interior design means the formation of the firm image on the spacial environment through the mix-ture and link of the heterogeneous factors, the organic connection of each surface, the establishment of the natu-ral relation by linking the heterogeneous materials mutu-ally. and the easiness of the entire plan in the end. This study aims at analyzing and studying the typical charac-teristics by understanding the historical background and methodical principle which enabled the appearance of this kind of thought, and the adapted cases of the wood and metal material system furniture. There may be difference between the structural sub-stance and formative consideration. Transformative furni-ture which consists of the factors is the concept for the encrease of the multi purpose value by mixing the unit cabinets. One system can be separated horizontally, verti-cally, and to the drawers, and it gives us the disengage-ment from the artificial environment, since all the heights and width can be transformed as per each situa-tion of the space. The factors which can not be found in the other existing furniture are as follows. 1. disengagement from the artificial environment. 2. establishing the new productiosn trend as freed from the customers' fashion trend. 3. presenting the producing condition which leads the exact technology. 4. flexibility of the furniture which enables the reduction and enlargement in each situation.

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Endless Management of Mind and Body for Healing: The Process of Pursuing Complementary and Alternative Medicine in Patients with Breast Cancer (유방암 환자의 보완대체요법 추구 과정: 치유를 향한 끝없는 심신 다스리기)

  • Tae, Young Sook;Kwon, Suhye;Lee, Young Sook;Bae, Ju Young
    • Korean Journal of Adult Nursing
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    • v.27 no.6
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    • pp.728-741
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    • 2015
  • Purpose: The purpose of the study was to explore and describe the experience of pursuing complementary and alternative medicine (CAM) in breast cancer patients. Methods: Ten women with breast cancer participated in the study. Data were collected through individual in-depth unstructured and individualized interviews with each participant from February to July, 2015. Theoretical sampling was used upto the point of theoretical saturation. Data were analyzed using Corbin & Strauss's grounded theory methodology. Results: Through open coding, 22 sub-categories, and 13 categories were identified. Analysis revealed that the core category was 'endless management of mind and body for healing', which consisted of four phases; exploring, applying, grasping, and integrating. Through this process, the participants utilized various action/interactional strategies such as 'dealing with information', 'trying out blindly', 'enduring volitionally', 'experiencing effects on mind and body,' and 'grasping one's own way.' The consequences of these strategies were integrating the habit of health remedy into one's life, becoming a main agent for change, and tolerating one's weak body. Conclusion: In-depth understanding of the CAM pursuing experiences of patients with breast cancer would guide clinical nurses and policy makers to develop effective interventions and policies for better supporting them with regard to the usage of CAM.

A study on the mother-infant intercation in teaching and feeding situation (모아상호작용에 관한 연구 - 교육과 수유상황을 중심으로)

  • Jo, Gyeol-Ja
    • The Korean Nurse
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    • v.29 no.5
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    • pp.54-68
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    • 1991
  • This study was conducted to provide the basic information for nursing intervention in infant teach. ing and feeding situation. The subjects were 30 pairs of mother and her infant(9 month) who were normally delivered at 3 university hospital in Seoul area. The data collection was conducted by observation using videotaperecord from September 27, 1989 to Feburary 26, 1990 in their home. The measulsement tools used by this researcher were Nursing child Assessment Teaching scale (NCATS) and Nursing child Assessment Feeding Scale(NCAFS) which was developed by Barnard. The higher sum of "yes" score means the higher mother-infant interaction level. Mother-Infant interaction behaviors in both sitution were based on 6 subcategories; sensitivity to cue, response to distress, social-emotional growth fostering, cognitive growth 'fostering, clarity of + cues, and responsiveness to parent. The data collected through above method were analyzed by mean and t-test and the results were as follows. 1. The sum of maternal behavior score was 40.2 out of 50.0 in teaching situation and 37.9 out of 50.0 in feeding situation. Out of the 4 subcategories on maternal behavior in both situation, the highest subcategory was shown by response to infant's distress and the lowest subcategory by cegnitive growth fostering. 2. The sum of infant behavior score was 14.7 out of 23 in teaching situation and 17.9 out of 26 in feeding situation. Out of the 2 categories on infant behavior in both situation, the highest sub categroy was shown by the clarity of infant's cue in both situation. 3. There was a statistical significance between father's educational level and mother-infant interaction in teaching situation; college group was higher than high school group, particulary in category of sensitivity to infant's cue and congnitive growth fostering. 4. There was a statistical significance in teaching situation between mother's educational level and mother-infant interaction;college group was higher than high school group, particulary sensitivity to infant cue, social-emotional growth fostering and cognitive fostering. 5. There was no statistical difference in between parent educational level and mother.infant interaction in feeding situation.situation.

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An Exploratory Approach to Textile Designer's Cognition Model -focused on the Stage of Motif Development- (텍스타일 디자이너의 인지 모형에 대한 탐색적 접근 -모티브 개발 단계를 중심으로-)

  • 송승근;이주현
    • Science of Emotion and Sensibility
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    • v.6 no.1
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    • pp.55-62
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    • 2003
  • This study was an exploratory approach to the cognitive model of textile designers on the stage of motif development in textile design process. Prior to the main research, several previous studies adopting methods of video/audio protocol analysis were reviewed. On the basis of the review, the categories of design action were derived as an analysis frame by application of top-down access method, meanwhile the sub-groups of each category of design action were identified through a bottom-up access method. To summarize the research result, total three categories of textile design action appeared based on the theory of ‘Human processor’ model : ‘motor action’, ‘perceptual action’ and 'cognitive action'. In next, a new coding scheme suitably explaining these three categories of fertile design action was developed. Finally, a cognitive model of textile designer on the stage of motif development, employing the new coding scheme, was suggested in this study.

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