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취업한 발달장애인의 장애수용이 생활만족도에 미치는 영향: 직무만족도와 대인관계의 매개효과
김영운,선우정옥,Kim, Yeong-Un,Sunu, Jeong-Ok 대한산업경영학회 2021 산업융합연구 Vol.19 No.4
This study sought to verify the mediating effect of job satisfaction and interpersonal relationships in the effect of disability acceptance of employed people with developmental disabilities on life satisfaction. To this end, we perform a structural equation model analysis using the 4th survey data in 2019, which has the highest level of communication among the 2nd wave of employment panel for the disabled, resulting in the following results. First, it has been confirmed that the degree of disability acceptance of employed people with developmental disabilities has a positive affect on their life satisfaction. Second, Third, job satisfaction are mediated in the effect of disability acceptance of employed people with developmental disabilities on life satisfaction. Third, interpersonal relationships are mediated in the effect of disability acceptance of employed people with developmental disabilities on life satisfaction. Based on the above findings, implications and suggestions were presented.
김영운,강선경,정성태,Kim, Young-Un,Kang, Sun-Kyung,Jung, Sung-Tae 한국정보처리학회 2010 정보처리학회논문지B Vol.17 No.3
This paper proposes the real time lip reading method in the embedded environment. The embedded environment has the limited sources to use compared to existing PC environment, so it is hard to drive the lip reading system with existing PC environment in the embedded environment in real time. To solve the problem, this paper suggests detection methods of lip region, feature extraction of lips, and awareness methods of phonetic words suitable to the embedded environment. First, it detects the face region by using face color information to find out the accurate lip region and then detects the exact lip region by finding the position of both eyes from the detected face region and using the geometric relations. To detect strong features of lighting variables by the changing surroundings, histogram matching, lip folding, and RASTA filter were applied, and the properties extracted by using the principal component analysis(PCA) were used for recognition. The result of the test has shown the processing speed between 1.15 and 2.35 sec. according to vocalizations in the embedded environment of CPU 806Mhz, RAM 128MB specifications and obtained 77% of recognition as 139 among 180 words were recognized. 본 논문은 임베디드 환경에서의 실시간 립리딩 방법을 제안한다. 기존 PC 환경에 비하여 임베디드 환경은 사용할 수 있는 자원이 제한적이므로, 기존 PC 환경의 립리딩 시스템을 임베디드 환경에서 실시간으로 구동하기는 어렵다. 이러한 문제를 해결하기 위해 본 논문은 임베디드 환경에 적합한 입술영역 검출 방법과 입술 특징추출 방법, 그리고 발성 단어 인식 방법을 제안한다. 먼저 정확한 입술영역을 찾기 위해 얼굴 색상정보를 이용해 얼굴영역을 검출하고 검출된 얼굴 영역에서 양쪽 두 눈의 위치를 찾아 기하학적 관계를 이용해 정확한 입술영역을 검출한다. 검출된 입술영역에서 주위 환경 변화에 따른 조명 변화에 강인한 특징을 추출하기위해 히스토그램 매칭과 입술 폴딩, RASTA 필터를 적용하고 주성분 분석(PCA)을 이용한 특징계수를 추출해 인식에 사용하였다. 실험결과 CPU 806Mhz, RAM 128MB 사양의 임베디드 환경에서 발성 단어에 따라 1.15초에서 2.35초까지의 처리 속도를 보였으며, 180개의 단어 중 139개의 단어를 인식해 77%의 인식률을 얻을 수 있었다.