• Title/Summary/Keyword: Implementation levels

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Corpus-based Korean Text-to-speech Conversion System (콜퍼스에 기반한 한국어 문장/음성변환 시스템)

  • Kim, Sang-hun; Park, Jun;Lee, Young-jik
    • The Journal of the Acoustical Society of Korea
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    • v.20 no.3
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    • pp.24-33
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    • 2001
  • this paper describes a baseline for an implementation of a corpus-based Korean TTS system. The conventional TTS systems using small-sized speech still generate machine-like synthetic speech. To overcome this problem we introduce the corpus-based TTS system which enables to generate natural synthetic speech without prosodic modifications. The corpus should be composed of a natural prosody of source speech and multiple instances of synthesis units. To make a phone level synthesis unit, we train a speech recognizer with the target speech, and then perform an automatic phoneme segmentation. We also detect the fine pitch period using Laryngo graph signals, which is used for prosodic feature extraction. For break strength allocation, 4 levels of break indices are decided as pause length and also attached to phones to reflect prosodic variations in phrase boundaries. To predict the break strength on texts, we utilize the statistical information of POS (Part-of-Speech) sequences. The best triphone sequences are selected by Viterbi search considering the minimization of accumulative Euclidean distance of concatenating distortion. To get high quality synthesis speech applicable to commercial purpose, we introduce a domain specific database. By adding domain specific database to general domain database, we can greatly improve the quality of synthetic speech on specific domain. From the subjective evaluation, the new Korean corpus-based TTS system shows better naturalness than the conventional demisyllable-based one.

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Design and Implementation of the u-Health Care Services in the Life Environment (생활환경 기반 u-건강관리서비스 설계 및 구현)

  • Hong, In-Hwa;Kim, Ju-Young;Choi, Ho-Chun;Kim, Chan-Gyu;Jung, Kwang-Mo;Kim, Nam-Il;Kang, Jeong-Jin
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.11 no.6
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    • pp.107-118
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    • 2011
  • This paper shows a u-Health management system in user's Life environment, which is different from previous ones by enterprises. It's designed for users(citizens) and service provider(especially providing medical service). This paper is discussing on the proof on the service model being operated near the Tancheon stream in the city of Sung-nam. To maximize users' satisfaction, this service has been designed on four disciplines(so easy, so simple, well-customized, funny feedback) in the viewpoint for users. Its algorithm has 4 levels which are measurement, prescription, monitoring and feedback. In the system. there are HCBs(health check boothes) checking out status and assessment of users, customized health prescription customized a health management service prescription engine, exercise programs customized on exercise equipments near the stream and monitoring system.

How Teachers Use Mathematics Curriculum Materials in Planning and Implementing Mathematics Lessons (교사의 수업 계획 및 실제 수업에서의 수학 교과서와 교사용지도서 활용 연구)

  • Kim, Goo-Yeon
    • School Mathematics
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    • v.13 no.3
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    • pp.485-500
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    • 2011
  • The purpose of this study is to investigate how elementary mathematics teachers use and implement a reform-oriented mathematics curriculum material, Everyday Mathematics, and to examine what features the curriculum material has. Eight elementary mathematics teachers in the United States participated in the study. Data sources consist of teacher classroom observation write-ups, interviews, and the curriculum material. The results from the analysis of the curriculum material suggest that 80 percent of the tasks are at the high-level in terms of cognitive demand and 26 percent of tasks are identified as transparent. The results also show that the teachers appeared to adapt the curriculum material and partially take suggestions or activities out of the curriculum material in enacting them in their mathematics classrooms. The analysis of enacted tasks suggests that the levels of cognitive demand were shifted from high-level to low-level; 27 percent of the high-level tasks in the curriculum material were maintained at the high-level as enacted in the mathematics classrooms. The level of cognitive demand shifted in many cases; shifts from high-level to low-level occurred. This contributes to the curriculum material not being transparent to teachers.

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An Implementation of Low Power MAC using Improvement of Multiply/Subtract Operation Method and PTL Circuit Design Methodology (승/감산 연산방법의 개선 및 PTL회로설계 기법을 이용한 저전력 MAC의 구현)

  • Sim, Gi-Hak;O, Ik-Gyun;Hong, Sang-Min;Yu, Beom-Seon;Lee, Gi-Yeong;Jo, Tae-Won
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.37 no.4
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    • pp.60-70
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    • 2000
  • An 8$\times$8+20-bit MAC is designed with low power design methodologies at each of the system design levels. At algorithm level, a new method for multipl $y_tract operation is proposed, and it saves the transistor counts over conventional methods in hardware realization. A new Booth selector circuit using NMOS pass-transistor logic is also proposed at circuit level. It is superior to other circuits designed by CMOS in power-delay-product. And at architecture level, we adopted an ELM adder that is known to be the most efficient in power consumption, operating frequency, area and design regularity as the final adder. For registers, dynamic CMOS single-edge triggered flip-flops are used because they need less transistors per bit. To increase the operating frequency 2-stage pipeline architecture is adopted, and fast 4:2 compressors are applied in Wallace tree block. As a simulation result, the designed MAC in 0.6${\mu}{\textrm}{m}$ 1-poly 3-metal CMOS process is operated at 200MHz, 3.3V and consumed 35㎽ of power in multiply operation, and operated at 100MHz consuming 29㎽ in MAC operations, respectively.ly.

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Support for a Campus Tobacco-Free Policy among Non-Smokers: Findings from a Developing Country

  • Yasin, Siti Munira;Isa, Mohamad Rodi;Fadzil, Mohd Ariff;Zamhuri, Mohammad Idris;Selamat, Mohamad Ikhsan;Ruzlin, Aimi Nadira Mat;Ibrahim, Nik Shamsidah Nik;Ismail, Zaliha;Majeed, Abu Bakar Abdul
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.1
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    • pp.275-280
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    • 2016
  • Background: A tobacco-free workplace policy is identified as an effective means to reduce tobacco use and protect people from second-hand smoke; however, the number of tobacco-free policies (TFP) remains very low in workplaces in Malaysia. This study explored the factors affecting support for a tobacco-free policy on two healthcare campuses in Malaysia, prior to the implementation of TFP. Materials and Methods: This cross-sectional study was conducted among 286 non-smokers from two healthcare training centres and two nearby colleges in Malaysia from January 2015 to April 2015. A standardized questionnaire was administered via staff and student emails. The questionnaire collected information on sociodemographic characteristics, support for a tobacco-free policy and perceived respiratory and sensory symptoms due to tobacco exposure. Bivariate and multivariate logistic regression analyses were performed to estimate the independent effects of supporting a tobacco-free campus. Results: The percentage of individuals supporting completely tobacco-free facilities was 83.2% (N=238), as opposed to 16.7% (N=48) in support of partially tobacco-free facilities. Compared to the supporters of partially tobacco-free facilities, non-smokers who supported completely tobacco-free health facilities were more likely to be female, have higher education levels, to be very concerned about the effects of other people smoking on their health and to perceive a tobacco-free policy as very important. In addition, they perceived that tobacco smoke bothered them at work by causing headaches and coughs and, in the past 4 weeks, had experienced difficulty breathing. In the multivariate model, after adjusting for sociodemographic characteristics and other factors, only experiencing coughs and headaches increased the odds of supporting a completely tobacco-free campus, up to 2.5- and 1.9-fold, respectively. Conclusions: Coughs and headaches due to other people smoking at work enhances support for a completely tobacco-free campus among non-smokers.

Literature Review Nursing Intervention for Developmental Support on Preterm Infants (미숙아의 발달지지를 위한 간호중재에 관한 문헌연구)

  • Kim, Tae-Im;Sim, Mi-Kyung
    • Korean Parent-Child Health Journal
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    • v.4 no.1
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    • pp.35-55
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    • 2001
  • Recently attention has been focused on the effects of early intervention, or its lack, on both normal and preterm infants. Particularly numerous studies suggest that premature infants are not necessarily understimulated but instead are subjected to inappropriate stimulation. Developmental support and sensory stimulation have become clinical opportunities in which nursing practice can impact on the neurobehavioral outcome of premature infants. Developmental care has been widely accepted and implemented in neonatal intensive care units across the country. Increasingly, attention and concern in caring for low-birth-weight infants and premature infants has led clinicians in the field to explore the effects of a complex of interventions designed to create and maintain a developmentally supportive environment; to provide age-appropriate sensory input; and to protect the infant from inappropriate, excessive and stressful stimulation. The components of developmental care include modifications of the macro-environment to reduce NICU light and sound levels, care clustering, nonnutritive sucking, and containment strategies, such as flexed positioning or swaddling. Sensory stimulation of the premature infants is presented to standardize the modification of a developmental intervention based on physiologic and behavioral cues. The most appropriate type of stimuli are those that are sensitive to infant cues. Evaluation of infant physiological and behavioral responds to specific intervention stimuli may help to identify more appropriate interventions based on infants' cues. A critical question confronting the clinician is that of determining when the evidence supporting a change in practice is sufficient to justify making that change. There are acknowledged limitations in the current studies. Many of the studies examined had small sample sizes; used nonprobability sampling; and used a phase lag design, which introduces the possibility of threats to internal validity and limits the generalizability of the results. Although many issues regarding the effects of developmental interventions remain unresolved, the available research base documents significant benefits of developmental care for LBW infants in consistent outcomes, without significant adverse effects. Particularly, although the individual studies vary somewhat in the definition of specific outcomes measured, instrumentation used, time and method of data collection, and preparaion of the care providers, in all studies, infants receiving the full protocol of individualized developmentally supportive care had improvements in some aspect of four areas of infant functioning: level of respiratory or oxygen support, the establishment of oral feeding; length of hospital stay, and infant behavioral regulation. In summary, based on the available literature, individualized developmental intervention should be incorporated into standard practice in neonatal intensive care. And this implementation needs to be coupled with ongoing research to evaluate the impact of an individualized developmental care programs on the short- and long-tenn health outcomes of LBW infants.

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A Study on the Effect of Upstream Parking to Traffic at the 4-Leg Intersection (교차로 상류부 주차가 교통에 미치는 영향에 관한 연구)

  • Ko, Jin;Oh, Seung Hwoon;Rhee, Jongho
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.32 no.2D
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    • pp.121-127
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    • 2012
  • One of the traffic problems has been caused by the illegal parking because of the lack of parking space. Especially, the illegal occupancy of the road near an intersection makes an serious reduction of road capacity. The current illegal parking and stop-prohibited areas have been designated for less than 5 meters from the edge or the corner of the 4-leg intersection. However, in reality, the cars parked at the place over 5 meters have had a significant impact on the intersection traffic. In addition, many variables such as intersection type, size, and service levels should be considered as factors which influence on the traffic condition at the intersection. It was assumed that through and right-turn traffic rate have a significant impact on the 4-leg intersection with the illegal parking or stop near it. This study tried to verify the impact through the simulation implementation with MOE and LOS. It shows a guideline to designate the parking or stop-prohibited area near the 4-leg intersection under various traffic conditions.

Improvement of basic Academic Skills for Junior College Students : Based on a Case Study of D College (전문대학 기초학습능력 향상 방안: D 대학 사례를 중심으로)

  • Choi, Kil-Sung;Lee, Seung-Hee
    • The Journal of the Korea Contents Association
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    • v.11 no.4
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    • pp.468-476
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    • 2011
  • A lack of basic academic skills of junior college students has negatively impacted on the quality of vacational education and student dropout prevention, and yet it is true that there still are unclear alternatives or solutions to come up with that concern. As a way to find out the actual levels of basic academic skills of junior college students and educational efforts to improve these skills, the study investigated prior studies and benchmarked strengths and weaknesses of the related educational programs and supporting systems operated by ten junior colleges around the nation. Further, the study addressed emerging issues and challenges related to basic academic skills, based on the case study of D college. Major research methodologies included literature review, surveys for students and faculty members and focus-group interviews of faculty members in order to examine the states of students' basic academic skills in the area of language, in particular. Accordingly, the study proposed several suggestions with which educational practitioners could assist in supporting students to acquire improved basic academic skills(such as the development of a competence-based curriculum, implementation of reliable diagnosis tools and supporting educational systems for evaluating students' basic academic skills and upgrading of diverse teaching and learning resources and methods).

Pesticide and Heavy Metal Residue Monitoring in 13 Types of Agroforestry Products in 2019 (2019년 유통 임산물 중 산나물류와 약초류, 과실류 13종의 농약 및 중금속 잔류 실태)

  • Kim, Junheon;Oh, Ji Yeon;Shin, Jihye
    • Journal of Food Hygiene and Safety
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    • v.35 no.4
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    • pp.341-353
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    • 2020
  • In accordance with the implementation of the Positive List System (PLS), the proper usage of pesticides is now being enforced. It is assumed that unregistered pesticides are being used on agroforestry products due to the low number of registered pesticides in the agricultural industry. In this study, pesticide and heavy metal residues were investigated in 13 types of products to determine the status of usage. The levels (%) of pesticides detected in Pimpinella beachscape, Platycodon grandiflorum, Codonopsis lancekolate, Artemisia dubia, Angelica gigas, Pyrus pyrifolia, and Punica granatum were 40.0, 20.0, 26.7, 13.3, 56.3, 57.1, 33.3, 26.7, 66.7, and 46.7%, respectively, while, those in Petridium aquilinum, Disoscorea batata and Senna tora were zero. Heavy metals (Pb, Cd) were detected only from P. grandisflorum and A. dubia. The pesticide usage and registration data by agroforestry product obtained in the study will be useful in the future for ensuring the safety of domestic agroforestry products.

Study on the Integration of MMS and Airborn Survey Data for the Implementation of Precise Road Spatial Database (정밀도로공간정보 구축을 위한 지상 MMS 측정자료와 항공측량자료의 결합방법 연구)

  • Hwang, Jin Sang;Kim, Jae Koo;Yun, Hong Sik;Jung, Woon Chul
    • Journal of Korean Society for Geospatial Information Science
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    • v.23 no.2
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    • pp.97-104
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    • 2015
  • Due to the introduction of various IT devices, including the recently smartphones and the widespread use of the car navigation system to the location-based information service space has been increased. Spatial information users have been requiring higher levels of quality. In this paper, we study how to build accurate three-dimensional space information by integrating MMS(Moblie Mapping System) survey and airborne survey data. Thus, to analyze the tendency of deviation between the MMS survey and airborne survey data observed in the experimental region, the deviation tendency of the data, it was confirmed that was not consistent. Deviation correction model to select how to change the georeferencing information directly contained in the GPS/INS processing results for the determination, classifies the standard is a method for acquiring the correction reference point coordinates using the calibration model, and analyzed their advantages and disadvantages. With the information of the reference point obtained by airborne photograph of a project, using the method of correcting the MMS survey data. Not only clear the deviation existing between the MMS survey data, it was possible to confirm that the deviation exists between the airborne survey data and MMS survey data was also almost erased.