• Title/Summary/Keyword: alternative methods

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Impostor Detection in Speaker Recognition Using Confusion-Based Confidence Measures

  • Kim, Kyu-Hong;Kim, Hoi-Rin;Hahn, Min-Soo
    • ETRI Journal
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    • v.28 no.6
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    • pp.811-814
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    • 2006
  • In this letter, we introduce confusion-based confidence measures for detecting an impostor in speaker recognition, which does not require an alternative hypothesis. Most traditional speaker verification methods are based on a hypothesis test, and their performance depends on the robustness of an alternative hypothesis. Compared with the conventional Gaussian mixture model-universal background model (GMM-UBM) scheme, our confusion-based measures show better performance in noise-corrupted speech. The additional computational requirements for our methods are negligible when used to detect or reject impostors.

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Review on the Treatment Methods of Korean Medicine for Menopausal Women's Depression in Foreign Clinical Research (갱년기 및 폐경 후 여성의 우울증에 대한 한방의 국외 임상연구동향 고찰)

  • Kim, Deok-Ho;Kim, Dong-Il
    • The Journal of Korean Obstetrics and Gynecology
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    • v.28 no.2
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    • pp.76-90
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    • 2015
  • Objectives : This study were invesitigated papers published in international journals to assess the effect of Korean Medicine treatments for menopausal depression. Through this review, we aimed to research more effective ways of menopausal depression treatment. Methods : The database of this review was created through searching PubMed from Jan, 2005 to Feb, 2015 : using terms of ‘menopausal depression’ and ‘post menopausal depression’ with ‘acupuncture’, ‘alternative medicine’, ‘CAM’ and ‘herbal medicine’. Results : 119 studies were analyzed but some of them were excluded due to lack of relevance or noncomformity of subjects. Finally, 16 studies were included in this review. Conclusions : In 16 studies, the acupuncture and herb decoction had significant interventions to improve menopausal depression. Therefore Acupuncture and herbal medicine may be effective treatment method of menopausal depression.

Study for Level of Evidence and Recommendation of Anticancer Effect for the Materials of Green Vegetable Juice by Using Natural Standard Methodology (Natural Standard Methodology를 이용한 녹즙재료의 항암효과에 대한 근거 및 권고수준에 대한 연구)

  • Yoo, Hwa-Seung
    • Journal of Haehwa Medicine
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    • v.17 no.1
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    • pp.11-19
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    • 2008
  • Objective : We designed this study to analyse the anti-cancer effects of materials of green vegetable juice by using the natural standard methodology and apply the results to new studying and evaluating methods. Methods : We investigated the main stream of complementary and alternative medicine (CAM), the methodology of natural standard, guideline in CAM, and concrete 15 green vegetable juice in cancer therapy. Results : There are 15 graded materials of green vegetable juice that associated with cancer in natural standard contents. Most of them get grade C, unclear or conflicting scientific evidence. Conclusion : Natural Standard aims to provide high-quality, reliable information about CAM therapies to clinicians, patients, and healthcare institutions. We have to acquire more reliable evidence in future.

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Development of the Causally Related Weighting Method (새로운 가중값 결정방법의 개발)

  • Park, Chang-Kyu
    • IE interfaces
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    • v.12 no.1
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    • pp.43-48
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    • 1999
  • This paper indicates deficiencies of existing weighting methods for decision problems that require trading off a selection of one alternative against others. Deficiencies originate from the definition of weight, $W_i$, satisfying that $W_i{\geq}0$ for all i and sums up to one and an assumption of independence between attributes. Thus, existing weighting methods can not handle a situation where all attributes are interrelated, resulting in that attributes can give either positive, or negative, contributions to the value of an alternative. In order to cope with deficiencies, this paper redefines weight and proposes a new causally related weighting method. The proposed method was applied in the study of developing a comprehensive organizational performance measurement system and showed a good performance.

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An Alternative Way of Constructing Ancestral Graphs Using Marker Allele Ages from Population Linkage Disequilibrium Information

  • Park, Lee-Young
    • Genomics & Informatics
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    • v.7 no.1
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    • pp.1-12
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    • 2009
  • An alternative way of constructing ancestral graphs, which is different from the coalescent-based approach, is proposed using population linkage disequilibrium (LD) data. The main difference from the existing method is the construction of the ancestral graphs based on variants instead of individual sequences. Therefore, the key of the proposed method is to use the order of allele ages in the graphs. Distinct from the previous age-estimation methods, allele ages are estimated from full haplotype information by examining the number of generations from the initial complete LD to the current decayed state for each two variants depending on the direction of LD decay between variants. Using a simple algorithmic procedure, an ancestral graph can be derived from the expected allele ages and current LD decay status. This method is different in many ways from previous methods, and, with further improvement, it might be a good replacement for the current approaches.

A Study on the Level of Correctness of Decision Making using two Alternative Information Presenting Methods (회계정보의 표현양식이 의사결정자의 예측정확성에 미치는 영향에 관한 연구)

  • Park Jae-Yong;Park Seong-Kyu
    • Management & Information Systems Review
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    • v.4
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    • pp.573-593
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    • 2000
  • The purpose of this study is to investigate the level of correctness accounting information with the two alternative forms of presenting information outputs. Specifically two different methods of presenting accounting information, the table form and the graphical form were employed to test the level of correctness of the accounting information user's decision making. Using college students as a surrogate decision maker, this research have found that there is no statistically significant difference in the correctness of decision making between the two groups, one group using the table form of accounting information and another group using the graphical form of accounting information.

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Additive Materials to Reduce the Amount of Loess Being Applied for Red Tide Removal on Coastal Water (적조방제용 황토살포의 양을 줄일 수 있는 첨가제에 대한 연구)

  • Park, Chi-Hyun;Lee, Byoung-Ho
    • Journal of Environmental Science International
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    • v.16 no.6
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    • pp.745-750
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    • 2007
  • Large scale of loess has been applied on the south - sea shore of the Korean peninsula to treat red tides, due to many fishery's devastation by red tides every year. However, coastal ecosystem is ruined by the huge amount of loess applied every year. Almost all creatures, living under water such as sea weeds, clams, and fishes, where loess was applied, are disappearing. In this paper, alternative methods of the loess application are investigated. The amount of loess could be reduced by the alternative methods, Especially, loess mixed with calcium oxide has excellent effects to reduce Cochlodinium polykrikoides numbers. It was found that when loess is used with calcium oxide(CaO), removal efficiency of red tides is highly increased. Moreover, the amount of loess could be reduced dramatically.

ACCELERATED CONSTRUCTION OF URBAN INTERSECTIONS WITH PORTLAND CEMENT CONCRETE PAVEMENT (PCCP)

  • Kamran M. Nemati
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.886-891
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    • 2005
  • The frequent maintenance required on some asphalt concrete (AC) pavement sections has made reconstruction with Portland Cement Concrete Pavement (PCCP) a feasible alternative. However, many constructability issues need to be addressed in order to realize the full potential of this alternative. Accelerated paving encompasses three classes of activities: methods to accelerate the rate of strength gain, methods to minimize the construction time, and traffic control strategies to minimize user delay. Three major AC intersections with severe rutting problems were reconstructed with PCCP. The entire reconstruction of each intersection, including demolition of the AC pavement and its replacement with PCCP, took place over a period of three days, starting on Thursday evening and opening the intersection to the traffic on Sunday afternoon. This paper discusses the use of PCCP for accelerated reconstruction of major urban intersections with minimal user and traffic disruption, using innovative construction techniques and traffic management optimization principles and demonstrates that concrete pavements can be constructed efficiently and quickly.

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The shifted Chebyshev series-based plug-in for bandwidth selection in kernel density estimation

  • Soratja Klaichim;Juthaphorn Sinsomboonthong;Thidaporn Supapakorn
    • Communications for Statistical Applications and Methods
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    • v.31 no.3
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    • pp.337-347
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    • 2024
  • Kernel density estimation is a prevalent technique employed for nonparametric density estimation, enabling direct estimation from the data itself. This estimation involves two crucial elements: selection of the kernel function and the determination of the appropriate bandwidth. The selection of the bandwidth plays an important role in kernel density estimation, which has been developed over the past decade. A range of methods is available for selecting the bandwidth, including the plug-in bandwidth. In this article, the proposed plug-in bandwidth is introduced, which leverages shifted Chebyshev series-based approximation to determine the optimal bandwidth. Through a simulation study, the performance of the suggested bandwidth is analyzed to reveal its favorable performance across a wide range of distributions and sample sizes compared to alternative bandwidths. The proposed bandwidth is also applied for kernel density estimation on real dataset. The outcomes obtained from the proposed bandwidth indicate a favorable selection. Hence, this article serves as motivation to explore additional plug-in bandwidths that rely on function approximations utilizing alternative series expansions.

Changing Definitions of Complementary and Alternative Medicine and Related Research Analysis in Korea (보완대체의학의 정의 변화와 국내 관련 연구 분석)

  • Lee, Tae-Hyung;Kim, Nam-Il;Maeng, Woong-Jae
    • Korean Journal of Oriental Medicine
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    • v.16 no.2
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    • pp.43-55
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    • 2010
  • Objective : There is a growing interest on Complementary and Alternative Medicine(CAM). But the term 'CAM' often causes confusion, for the perception of CAM is determined by how the relationship between CAM and Conventional Medicine is established. Methods : In this paper, we researched the concept of CAM through the change in the terminology and definition of CAM throughout history. Furthermore, we also analyzed related papers in Korea. Results : International studies show that the relationship between Conventional Medicine and CAM has become more cooperative. Meanwhile, in Korea, Korean Medicine is categorized as a type of Conventional Medicine, not CAM. Conclusion : Though Korean Medicine is included in Conventional Medicine in Korea, the research methodology is still restricted in ways of bio-medical science. Further study on the original research method of Korean Medicine is needed.