• Proceedings of the Korea Institute of Convergence Signal Processing
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• 2006.06a
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• pp.41-44
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• 2006

본 논문은 안면영상의 인증 요소로 사용되는 눈동자영역을 SIFT를 이용하여 추출해내는 방법을 제안하고 있다. 모델이 되는 눈동자영상과 추출 하고자 하는 입력영상의 SET 결과인 Keypoint descriptor를 이용하여 각각의 특징벡터를 구성하고 서로 정합한 후 두 특징 점들 사이에 affine transform이 존재하는지 판단하여 반수 이상에 대응하는 특징 점들에 대해 동일한 affine transform이 존재할 경우 눈동자영역이라고 판단하였다. 실험결과 학습과정이 없으므로 기존의 인식방법 보다 빠르게 영역을 추출하는 결과를 얻을 수 있었다.

• Proceedings of the Korea Information Processing Society Conference
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• 2002.11a
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• pp.641-644
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• 2002

얼굴 특징점 추출은 현재 많은 연구가 활발히 진행되고 있는 분야로 보안, 인식 등 다양한 응용분야를 갖는다. 본 논문에서는 PC 카메라 및 주민등록증에 있는 사진을 스캔하여 얼굴 특징점을 정확하고 빠른 계산 시간안에 찾을 수 있는 새로운 방법을 제시한다. RGB 색공간을 YUV로 변환하여 Y성분을 히스토그램 균등화 시켜 휘도에 관계없이 얼굴 피부색을 추출한 후 YUV의 V성분을 변형한 V'성분을 이용하여 얼굴의 특징점을 찾는 방법이다. 실험결과 주민등록증 사진과 PC 카메라에서 입력 받은 얼굴 영상이 오류 없이 추출됨이 관찰되었다.

• Proceedings of the Korea Information Processing Society Conference
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• 2021.05a
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• pp.29-32
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• 2021

현재 코로나 사태로 인해 많은 학교에서 온라인으로 수업이 진행되고 있지만 대면강의에 비해 온라인수업은 진행자와 수강자의 상호작용이 원활하지 않아 집중도가 떨어지는 문제가 있다. 따라서 본 논문에서는 진행자가 전체 수강자의 집중도를 파악하고 전체적인 집중도가 낮아졌을 때 진행자에게 메시지를 전송하여 적절한 주의/환기 등을 줌으로써 온라인수업의 집중도를 향상시킬 수 있는 온라인 수업집중도 분석시스템을 제안한다. 본 시스템을 활용하여 수강자의 집중도 향상 뿐만 아니라 수업의 진행 방향을 조절할 수 있으며 상호작용을 가능하게 하여 수업의 질을 향상시킬 수 있다. 본 논문의 시스템은 dlib 의 안면 검출기와 OpenCV 및 PyQt5 의 QtDesigner 를 사용하여 프로토타입을 구현하였다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2018.05a
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• pp.374-376
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• 2018

In this study, we developed a mobile home robot using a face recognition method using a camera attached to a raspberry pie. It receives the real time image through the camera attached to the raspberry pie, recognizes the face of the person, and distinguishes the operation of the smart cool air temperature device according to the result. It is expected that the robot will be able to increase the energy utilization efficiency by allowing the robot to operate in cold and hot winds only where there is no human being, instead of operating the hot and cold air conditioner.

• Journal of Sasang Constitutional Medicine
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• v.18 no.3
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• pp.57-63
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• 2006

1. Objectives The Face is an important standard for the classification of Sasang Contitutions. Now We are developing 3D Face Automatic Recognition Apparatus to analyse the facial characteristics. This apparatus show us 3D image of man's face and measure facial figure. We should examine accuracy of position recognition in 3D Face Automatic Recognition Apparatus. 2. Methods We took a photograph of Face status with Land Mark 8 times using Face Automatic Recognition Apparatus. Each taking-photo, We span Face statusby 10 degree. At last time, We took a photograph of Face status's lateral face. And We analysed Error Averige of Distance between seven Land Marks. So We examined the accuracy of position recognition in 3D Face Automatic Recognition Apparatus at indirectly in degree changing of Face status. 3. Results and Conclusions According to degree change of Face status, Error Averige of Distance between Seven Land Marks is 0.1848mm. In conclusion, We assessed that accuracy of position recognition in 3D Face Automatic Recognition Apparatus is considerably good in spite of degree changing of Face status

• Journal of Digital Convergence
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• v.15 no.12
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• pp.79-93
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• 2017

The purpose of this study was to investigate the perception and need for the revised child care practicum (January, 2017) in Korea. The participants were in three groups: 32 directors, 143 child care teachers and 130 pre-service teachers. Questionnaire were used ot collect the data and t-test, x-test and ANOVA were done for analysis. All three groups responded positively for the revised edition (extending the period of practicum from 4 weeks to 6 weeks). And perceived the extending the period is necessary for the quality of child care centers. Directors with the higher level of education perceived the revision clearly than others. Most of teachers perceived the change through teacher retraining program. All groups pointed out for the implementing the revised edition successfully, supporting and cooperative system is in need for three groups.

• Journal of Sasang Constitutional Medicine
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• v.11 no.1
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• pp.311-327
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• 1999

Lee, Je-ma proposed ways like Chehyungkisang to judge each constitution, so, on the basis of this, we can judge constitution in various ways. Such a theory is based on behavior determinism's way of thinking of Lee, Je-ma. We can know this that form is not recognized as an object reflecting image, but a subjective concept from Tukyonyodun, Yimokbiku(ears, eyes, nose and mouth), Hameokjebok of Sungmyong Theory. Lee, Je-ma thought each part of human body has not only physical function but also complex temperative function. Putting this consideration and Jangbu Theory describing human body directly, together, it can be said that these all have an established theory on Chehyungkisang of constitution judgement. Thus, the following hypotheses are given. From Sadan Theory and Hwakchung Theory, strength of Jangbu of Sasangin is Pe>Bi>Shin>Kan in Taeyangin and Bi>Pe>Kan>Shin in Soyangin and Kan>Shin>Bi>Pe> in Taeumin and Shin>Kan>Pe>Bi in Soumin. The concept of Shinkihyuljung is related with creation of form and spirit of each Jangkuk and Aenoheerak(sorrow, anger, joy, pleasure). From this viewpoint, Sasangin can be classified into; Taeyangin into Shinkijunghyul type, Taeumin into Hyuljungkishin type, Soumin into Junghyuishinki type. Introduced a fixed way to explain of each constitution according to this strength relationship. I hope more lively discussions on Constitutional Medicine will be continued based on this attempt.

• Korean Journal of Biological Psychiatry
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• v.15 no.4
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• pp.297-302
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• 2008

Objectives : The purpose of this study is to investigate whether the ability of facial affect perception is associated with schizotypal personality traits in healthy normal controls. Methods : 241 normal subjects were recruited in this study. The age range of all subjects was from 19 to 63 years. The schizotypal personality questionnaire(SPQ) and facial affect identification test(FAIT), which were developed and standardized in Korea, were applied. Subjects from high 1 standard deviation(H group, N=40) and low 1 standard deviation(L group, N=26) on SPQ score were compared. Results : We found that the H group showed significantly reduced ability on the correctness of sadness and neutral compared with the L group. But, no significant association between SPQ and intensity or reaction point was observed in all subjects. Conclusion : This study suggests the individuals with high schizotypal personality trait have impairments on the facial affect identification. Also, these findings may provide the reasonable explanation of social cognition deficit of schizotypal personality disorder.

• Journal of Digital Convergence
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• v.16 no.12
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• pp.459-466
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• 2018

Gendered innovations is a term used by policy makers and academics to refer the process of creating better research and development (R&D) for both men and women. In this paper, we analyze the literatures in image and speech signal processing that can be used in ICT, examine the importance of gendered innovations through case study. Therefore the latest domestic and foreign literature related to image and speech signal processing based on gender research is searched and a total of 9 papers are selected. In terms of gender analysis, research subjects, research environment, and research design are examined separately. Especially, through the case analysis of algorithms of the elderly voice signal processing, machine learning, machine translation technology, and facial gender recognition technology, we found that there is gender bias in existing algorithms, and which leads to gender analysis is required. We also propose a gendered innovations method integrating sex and gender analysis in algorithm development. Gendered innovations in ICT can contribute to the creation of new markets by developing products and services that reflect the needs of both men and women.

• Journal of Oral Medicine and Pain
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• v.34 no.3
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• pp.295-301
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• 2009

Recently, bisphosphonate-associated osteonecrosis of the jaw(BONJ) is added to the list of diseases of the oromaxillofacial region. BONJ is defined as exposed bone in the jaw that does not heal within 8 weeks after identification, in a patient who has been received to bisphosphonates and has not taken radiation therapy to the craniofacial region. Bisphosphonates binded to bone mineral are concentrated in highly active remodeling site, reside in the skeleton for a long time, and do a role as powerful inhibitors of bone resorption. As the patients receiving bisphosphonates therapy grow in number, the patients of BONJ would go on increasing in Korea. We would like to present two patients who were suspected to BONJ, describe the outline of BONJ, and mention importance of our understanding about BONJ. BONJ is rare disease, but once it develops, its prognosis is very poor. Our adequate understanding of BONJ is necessary to prevent it and cope with it properly.