• Title/Summary/Keyword: Adaptation

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A New Speaker Adaptation Technique using Maximum Model Distance

  • Lee, Man-Hyung;Hong, Suh-Il
    • 제어로봇시스템학회:학술대회논문집
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    • 2001.10a
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    • pp.99.1-99
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    • 2001
  • This paper presented an adaptation approach based on maximum model distance (MMD) method. This method shares the same framework as they are used for training speech recognizers with abundant training data. The MMD method could adapt to all the models with or without adaptation data. If large amount of adaptation data is available, these methods could gradually approximate the speaker-dependent ones. The approach is evaluated through the phoneme recognition task on the TIMIT corpus. On the speaker adaptation experiments, up to 65.55% phoneme error reduction is achieved. The MMD could reduce phoneme error by 16.91% even when only one adaptation utterance is used.

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A Prior Model of Structural SVMs for Domain Adaptation

  • Lee, Chang-Ki;Jang, Myung-Gil
    • ETRI Journal
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    • v.33 no.5
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    • pp.712-719
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    • 2011
  • In this paper, we study the problem of domain adaptation for structural support vector machines (SVMs). We consider a number of domain adaptation approaches for structural SVMs and evaluate them on named entity recognition, part-of-speech tagging, and sentiment classification problems. Finally, we show that a prior model for structural SVMs outperforms other domain adaptation approaches in most cases. Moreover, the training time for this prior model is reduced compared to other domain adaptation methods with improvements in performance.

Gains Achieved by Symbol-by-Symbol Rate Adaptation on Error-Constrained Data Throughput over Fading Channels

  • Lee, Daniel C.;Tsaur, Lih-Feng
    • Journal of Communications and Networks
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    • v.9 no.3
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    • pp.213-218
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    • 2007
  • Methods for symbol-by-symbol channel feedback and adaptation of symbol durations have been recently proposed. In this paper, we quantitatively analyze the gain in error-constrained data throughput due to such an extremely rapid adaptation of symbol durations to fast-time-varying channels. The results show that a symbol-by-symbol adaptation can achieve a throughput gain by orders of magnitude over a frame-by-frame adaptation.

Performance Comparison and Duration Model Improvement of Speaker Adaptation Methods in HMM-based Korean Speech Synthesis (HMM 기반 한국어 음성합성에서의 화자적응 방식 성능비교 및 지속시간 모델 개선)

  • Lee, Hea-Min;Kim, Hyung-Soon
    • Phonetics and Speech Sciences
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    • v.4 no.3
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    • pp.111-117
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    • 2012
  • In this paper, we compare the performance of several speaker adaptation methods for a HMM-based Korean speech synthesis system with small amounts of adaptation data. According to objective and subjective evaluations, a hybrid method of constrained structural maximum a posteriori linear regression (CSMAPLR) and maximum a posteriori (MAP) adaptation shows better performance than other methods, when only five minutes of adaptation data are available for the target speaker. During the objective evaluation, we find that the duration models are insufficiently adapted to the target speaker as the spectral envelope and pitch models. To alleviate the problem, we propose the duration rectification method and the duration interpolation method. Both the objective and subjective evaluations reveal that the incorporation of the proposed two methods into the conventional speaker adaptation method is effective in improving the performance of the duration model adaptation.

Variables Influencing the Adaptation to Wife Abuse -Based on the Double ABCX model - (아내학대에 대한 적응의 영향 변인 - Double ABCX 모델을 기초로 -)

  • 정혜정
    • Journal of the Korean Home Economics Association
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    • v.37 no.10
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    • pp.107-122
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    • 1999
  • Based on the theoretical framework of the Double ABCX model of family stress and adaptation, this study was to analysis the causal relationships of stressors (psychological sexual, and physical wife abuse), personal resources (self-efficacy and self-esteem) and social support(emotional and informational support), appraisal(positive appraisal and downward comparisons) with adaptation (psychological well-being and somatic symptoms). Self-administered questionnaire method was used to collect data from 264 wives residing in Chonbuk-do and Kyonggi-do area. The causal model was tested and modified by the maximum likelihood method using UISREL 7 program. Results showed that wife abuse had effect on adaptation indirectly through the latent variables of personal resource and appraisal, which influenced the adaptation directly. In addition, social support indirectly affect the adaptation through personal resource and appraisal. It was also found that all these variables explained 27.6% of the total variance of wives'adaptation, and that personal resources was the most powerful variable in predicting the adaptation of the wives.

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N- gram Adaptation Using Information Retrieval and Dynamic Interpolation Coefficient (정보검색 기법과 동적 보간 계수를 이용한 N-gram 언어모델의 적응)

  • Choi Joon Ki;Oh Yung-Hwan
    • MALSORI
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    • no.56
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    • pp.207-223
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    • 2005
  • The goal of language model adaptation is to improve the background language model with a relatively small adaptation corpus. This study presents a language model adaptation technique where additional text data for the adaptation do not exist. We propose the information retrieval (IR) technique with N-gram language modeling to collect the adaptation corpus from baseline text data. We also propose to use a dynamic language model interpolation coefficient to combine the background language model and the adapted language model. The interpolation coefficient is estimated from the word hypotheses obtained by segmenting the input speech data reserved for held-out validation data. This allows the final adapted model to improve the performance of the background model consistently The proposed approach reduces the word error rate by $13.6\%$ relative to baseline 4-gram for two-hour broadcast news speech recognition.

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Factors Affecting Adaptation in Parents of Newborn with Congenital Heart Disease (선천성 심질환 환아 부모의 적응 영향요인)

  • Kim, Kyoung-Nam
    • The Korean Journal of Health Service Management
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    • v.7 no.3
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    • pp.111-123
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    • 2013
  • The purpose of this study was to identify factors affecting stress and adaptation in newborn congenital heart disease patients of parents. Data were obtained through questionnaires from 181 newborn congenital heart disease inpatients of parents from P university in Y city. The data were analyzed SPSS 18.0, using descriptive statistics, Pearson correlation coefficients and stepwise multiple regression. Stress was negative correlated with level of patents adaptation. Social support, marital communication and family cohesion were positive correlated with level of patents adaptation. The explained variances for patents adaptation were 45.2% and factors affecting patients adaptation were congenital heart disease, family cohesion, stress, social support and marital communication. Educational intervention program for parents of newborn with congenital heart disease, reduce stress, and to increase the adaptation will be developed.

Life Stress, Life Satisfaction, and Adaptation of Middle-aged Women in the Menopause Period (중년여성의 생활 스트레스, 생활만족도와 폐경기 적응에 관한 연구)

  • Park, Hye-Sook;Kim, Ae-Jung;Bae, Kyung-Eui
    • Korean Parent-Child Health Journal
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    • v.13 no.2
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    • pp.55-62
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    • 2010
  • Purpose: The purpose of this study was to describe life stress, life satisfaction, and adaptation of middle-aged women in the menopause period. Methods: The research design was to descriptive study using self-report questionnaires. Participants were 129 middle aged women living at A city. Data were collected from June 1 to June 30 and analyzed using SPSS/WIN program. Results: Significant differences in menopause adaptation were evident on the basis of spouse. There were significant differences in life satisfaction in terms of income. Life satisfaction was positively correlated to menopause period adaptation. Life stress was negatively correlated to menopause period adaptation. Life satisfaction and life stress were accounted for 36.2% in menopause period adaptation of middle-aged women. Conclusion: These results provide evidence of the effects of life stress and life satisfaction of menopause period adaptation.

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The Adaptation Process of Korean Food for Chinese (중국인들의 한국음식의 적응과정)

  • Han, Kyung Soo
    • Journal of the Korean Society of Food Culture
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    • v.32 no.2
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    • pp.99-110
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    • 2017
  • Diffusion of innovation theories have been used to explain the adaptation process of Chinese college students to Korean food. This study examined and compared Korean food adaptation among Chinese college students in Gyeonggido and Daejeon. A total of 141 Chinese college students were surveyed from August 01 to November supported by the Chinese Students Association in Gyeonggido. The results show that the adaptation process of Chinese college students to Korean food was different between Gyeonggido and Daejeon. Chinese college students did not have many opportunities to learn about Korean food and search information about Korean food. The adaptation process of Chinese college students to Korean food was different by residential type and period. The adaptation process of Chinese college students in Gyeonggido to Korean food was composed of three factors: interest-reinvention-adoption, awareness, and evaluation-trial-adoption. Three factors of the adaptation process of Chinese college students in Daejeon to Korean food were awareness-evaluationtrial, adoption-reinvention-trial, and interest.

A Study of Personality adaptation factor and Life Satisfaction of the aged (노인의 성격상응요인과 생활만족도에 관한 연구)

  • 김현진
    • Journal of the Korean Home Economics Association
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    • v.30 no.2
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    • pp.171-187
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    • 1992
  • The purpose of this study is to investigate personality adaptation factors related to life satisfaction of the aged. Personality adaptation factors were classified into four factors(The active-intergration, The dependent-passivity, The failing-overaboundance, The self-negativity). The hypothesises of this study are as follow : (1) Personality adaptation factors can be predited by demographic variables and family environmental variables. (2) Life Satisfaction can be predited by demogaphic variables and family environmental variables. (3) Each personality adaptation factors will be correlated with life satisfaction. For the test of hypothesises, Questionnaries were given to the randomly selected 332 persons over age 60 in Pusan. Questionnaries consist of 4 parts. These are demographic part, family environment part, personality adaptation factor part, and life satisfaction part. The data collected were analyzed by satistical methods such as Case, Percentage Factor Analysis, Multiple Regression Analysis, and Pearson's Correlation. According to the results of the analysis of this study, primary, personality adaptation factor is decided by personal problem. But, this personality adaptation factor of the aged is affected by family environment. Particulary, in the results of the study, frequent communication with their family is more important than physical solidary.

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