• 제목/요약/키워드: Facial analysis

검색결과 1,114건 처리시간 0.035초

Analysis of 809 Facial Bone Fractures in a Pediatric and Adolescent Population

  • Kim, Sang Hun;Lee, Soo Hyang;Cho, Pil Dong
    • Archives of Plastic Surgery
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    • 제39권6호
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    • pp.606-611
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    • 2012
  • Background Facial fractures are infrequent in children and adolescents and have different clinical features from those in adults. The low incidence in children and adolescents reflects the flexibility and underdevelopment of their facial skeletons, as well as their more protected environments. Only a few reports have reviewed such patients in Korea. The authors performed a retrospective study to analyze the characteristics of facial fractures in the Korean pediatric population. Methods We conducted a retrospective review on a series of 741 patients, aged <18 years, with facial fractures who had been treated at our hospital between 2006 and 2010. The following parameters were evaluated: age, sex, cause, location and type of fractures, associated injuries, treatment and complications. Results A total of 741 consecutive patients met the inclusion criteria. The ratio of boys to girls was 5.7:1. Facial fractures most commonly occurred in patients between 13 and 15 years of age (36.3%). The most common causes of injury was violence. The nasal fracture was the most common type of fracture (69%) and the blowout fracture was the second most common (20%). Associated injuries occurred in 156 patients (21%). Conclusions The incidence of pediatric facial fractures caused by violence is high in Korea. Our results show that as age increases, etiological factors and fracture patterns gradually shift towards those found in adults. This study provides an overview of facial fractures in these age groups that helps illustrate the trends and characteristics of the fractures and may be helpful in further evaluation and management.

얼굴스캐너를 활용한 안면형상 영상진단기의 기초 연구 (Basic Study on the Image Instrument of the Facial-form by the 3D-facial Scanner)

  • 김경철;이정원;김훈;신순식;이해웅;이용태;지규용;김종원
    • 동의생리병리학회지
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    • 제22권2호
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    • pp.497-501
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    • 2008
  • 3D facial scanner for an accurate analysis is measured precisely a distance in straight, a distance in curved line, an angle in 3D data, the area of surface. We can easy acquire 3D data by the method of 0.8sec in each scan with easy handling, simple merge to whole face, harmless and fast process. In the HyungSang medicine, the inspection of the facial shape includes the Dam(gall bladder) - Bang Kwang(urinary bladder) body, the Jung${\cdot}$Gi${\cdot}$Shin${\cdot}$Hyul, the six merdian types etc. And we will collect the evidence based date verifing in the HyungSang clinical medicine. As we will analyze the facial whole form and the size${\cdot}$length${\cdot}$angle of the facial part, put the facial form's standardization on a solid foundation.

유아기 악골 수술로 인해 유발된 안면 비대칭 환자에서의 BSSRO를 이용한 안모 교정의 치험례 (A CASE REPORT OF THE FACIAL ASYMMETRY BY INFANTILE MAXILLOFACIAL SURGERY)

  • 최소영;김진욱;권대근;이상한;박인숙
    • Maxillofacial Plastic and Reconstructive Surgery
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    • 제30권6호
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    • pp.584-588
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    • 2008
  • Facial asymmetry is particularly associated with mandible among other facial bones and it could be either congenital or acquired. Congenital factors are related to Treacher Collin syndrome, Pierre Robin syndrome, hemifacial microsomia and other various syndromes. Acquired factors are such as damaged or diseased growing condyles, hormonal disorder, oral mal-habit, muscular force, tumor, infection and so on. Diagnosis and treatment of facial asymmetry are complicated due to differences in sizes and positions of mandibles. The aspects of facial asymmetry is various and complicated upon each individual. Depending on causes of the facial asymmetry, there also are morphological differences. For such reasons, precise anatomical analysis and diagnosis of the facial asymmetry are essential before any surgical procedure followed by the appropriate treatment plan. This case is regarding a 21-year old patient diagnosed as the facial asymmetry due to an infantile maxillofacial surgery. Employing various morphological evaluations, potential problems during the procedure are predicted beforehand. This case reports a favorable result of sagittal split ramus osteotomy performing the oblique vertical bone cutting in posterior-superior of the mandibular second molar.

HCI를 위한 트리 구조 기반의 자동 얼굴 표정 인식 (Automatic Facial Expression Recognition using Tree Structures for Human Computer Interaction)

  • 신윤희;주진선;김은이;;;박세현;정기철
    • 한국산업정보학회논문지
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    • 제12권3호
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    • pp.60-68
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    • 2007
  • 본 논문에서는 자동으로 사용자의 얼굴 표정을 인식할 수 있는 시스템을 제안한다. 제안된 시스템은 휴리스틱 정보를 기반으로 설계된 트리 구조를 이용하여 행복, 역겨움, 놀람의 감정과 무표정을 인식한다. 카메라로부터 영상이 들어오면 먼저 얼굴 특징 검출기에서 피부색 모델과 연결성분 분석을 이용하여 얼굴 영역을 획득한다. 그 후에 신경망 기반의 텍스처 분류기를 사용하여 눈 영역과 비 눈 영역으로 구분한 뒤 눈의 중심 영역과 에지 정보를 기반으로 하여 눈, 눈썹, 입 등의 얼굴 특징을 찾는다. 검출된 얼굴 특징들은 얼굴 표정 인식기에 사용되며 얼굴 인식기는 이를 기반으로 한 decision tree를 이용하여 얼굴 감정을 인식한다. 제안된 방법의 성능을 평가하기 위해 MMI JAFFE, VAK DB에서 총 180장의 이미지를 사용하여 테스트하였고 약 93%의 정확도를 보였다.

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3D Facial Landmark Tracking and Facial Expression Recognition

  • Medioni, Gerard;Choi, Jongmoo;Labeau, Matthieu;Leksut, Jatuporn Toy;Meng, Lingchao
    • Journal of information and communication convergence engineering
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    • 제11권3호
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    • pp.207-215
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    • 2013
  • In this paper, we address the challenging computer vision problem of obtaining a reliable facial expression analysis from a naturally interacting person. We propose a system that combines a 3D generic face model, 3D head tracking, and 2D tracker to track facial landmarks and recognize expressions. First, we extract facial landmarks from a neutral frontal face, and then we deform a 3D generic face to fit the input face. Next, we use our real-time 3D head tracking module to track a person's head in 3D and predict facial landmark positions in 2D using the projection from the updated 3D face model. Finally, we use tracked 2D landmarks to update the 3D landmarks. This integrated tracking loop enables efficient tracking of the non-rigid parts of a face in the presence of large 3D head motion. We conducted experiments for facial expression recognition using both framebased and sequence-based approaches. Our method provides a 75.9% recognition rate in 8 subjects with 7 key expressions. Our approach provides a considerable step forward toward new applications including human-computer interactions, behavioral science, robotics, and game applications.

A Multimodal Emotion Recognition Using the Facial Image and Speech Signal

  • Go, Hyoun-Joo;Kim, Yong-Tae;Chun, Myung-Geun
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • 제5권1호
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    • pp.1-6
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    • 2005
  • In this paper, we propose an emotion recognition method using the facial images and speech signals. Six basic emotions including happiness, sadness, anger, surprise, fear and dislike are investigated. Facia] expression recognition is performed by using the multi-resolution analysis based on the discrete wavelet. Here, we obtain the feature vectors through the ICA(Independent Component Analysis). On the other hand, the emotion recognition from the speech signal method has a structure of performing the recognition algorithm independently for each wavelet subband and the final recognition is obtained from the multi-decision making scheme. After merging the facial and speech emotion recognition results, we obtained better performance than previous ones.

작업기억 부담이 부적 얼굴정서 처리에 미치는 영향: ERP 연구 (Effects of Working Memory Load on Negative Facial Emotion Processing: an ERP study)

  • 박태진;김정희
    • 인지과학
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    • 제29권1호
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    • pp.39-59
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    • 2018
  • 작업기억 부담이 부적 얼굴정서 처리에 미치는 영향을 밝히기 위해, N-back 과제 수행 도중 제시된 부적 얼굴표정에 의해 유발된 ERP성분들을 조사하였다. 한 개씩 순차적으로 제시되는 시각적 사물그림들에 대한 기억을 유지하고 갱신하도록 요구하면서(N-back 과제) 이 사물그림들이 제시되는 사이에 공포표정 또는 중립표정의 얼굴자극을 하나씩 제시하였는데, 작업기억 부담을 0-back 조건(저부담)과 2-back 조건(고부담)으로 조작하였다. N-back과제 수행반응을 분석한 결과, 고부담조건에 비해 저부담조건에서 더 빠르고 정확한 반응이 관찰되었다. 얼굴자극에 의해 유발된 ERP 평균진폭을 분석한 결과, 후두영역에서 측정한 P1 진폭에서는 정서가효과는 유의미하지 않았고 작업기억 부담효과만 유의미하였다(고부담 > 저부담). 후측 후두-측두 영역에서 측정한 N170 진폭에서 얼굴 정서가효과는 전반적으로는 유의미하였지만(부정 > 중립) 세부적으로는 작업기억부담과 반구에 따라 다르게 나타났는데, 정서가효과가 좌반구에서는 저부담조건의 경우에만, 우반구에서는 두 부담조건 모두에서 관찰되었다. 결국, 얼굴표정의 부적 정서가가 N170에 미치는 영향이 좌반구에서는 작업기억 부담에 의해 조절되었지만 우반구에서는 그렇지 않았다. 이러한 결과는, 부적 얼굴 표정의 초기 정서처리가 작업기억의 유지 및 조작 부담이 큰 경우 좌반구에서는 약화되거나 일어나지 않을 수 있는 반면, 우반구에서는 작업기억 부담의 크기에 관계없이 일어남을 보여주는 것으로써, 부적 얼굴정서 처리의 우반구 편재를 시사한다.

웃음치료가 구안와사환자의 안면마비 회복정도, 통증 및 스트레스에 미치는 효과 (Effects of Laughter Therapy on Recovery Status from Facial Paralysis, Pain and Stress in Bell's palsy Patients)

  • 김미환;김명자
    • 임상간호연구
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    • 제20권2호
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    • pp.211-222
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    • 2014
  • Purpose: This study was done to identify the effects of Laughter therapy on recovery status from facial paralysis, pain, and stress in Bell's palsy patients. Methods: This research was a nonequivalent control group non-synchronized pre-posttest quasi-experimental research design. Data were collected from August 8, to October 15, 2013 at D university Oriental Medical Center in B city. Participants were 60 patients with Bell's palsy who were assigned to one of two groups: an experimental group of 30 patients and a control group of 30 patients. t-test, $x^2-test$, Fisher's exact test and Welth-Aspin test were used to test the homogeneity between the two groups and t-test, Welth-Aspin test and ANCOVA were used to test the research hypotheses. SPSS program was used for statistical analysis. Results: There were significant increases in recovery status from facial paralysis and decreases in stress after Laughter therapy in the experimental group. Conclusion: The results indicate that Laughter therapy is effective in facilitating recovery status from facial paralysis and decreasing stress. Therefore, Laughter therapy can be used as an effective nursing intervention for patients with facial paralysis and to relieve stress in these patients.

한의학 학술지에 게재된 안면신경마비 증례 연구에서 사용된 약침에 관한 고찰 (Analysis of Pharmacopuncture Used in Facial Nerve Palsy Articles that Published in the Journal of Korean Medicine)

  • 유희조;김경준
    • 한방안이비인후피부과학회지
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    • 제32권3호
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    • pp.105-115
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    • 2019
  • Objectives : The purpose of this study is to analyze the trends of phamacopuncture used in facial nerve palsy related articles that have been published in the Korean medicine journal. Methods : 242 papers related to facial nerve palsy were retrieved from Oriental Medicine Advanced Searching Integrated System(OASIS) and Korean Traditional Knowledge Portal(KTKP). We selected 13 research papers treated with pharmacopuncture for facial nerve palsy. We analyzed for type of pharmacopuncture used, treatment point and clinical type. Results : 1. The number of searched articles is thirteen. 2. The most common clinical type of facial nerve palsy is Bell's palsy. Other types are accompanying tympanitis type, herpes zoster oticus, caused by traumatic temporal bone fracture type, Foville syndrome, Foville-Millard-Gubler syndrome and multiple cerebral neuritis. 3. In the case of pharmacopuncture, the most frequently used type is Hominis Placenta Pharmacopunture. The second is Hwangreonhaedok-tang and Hwangreon Pharmacopuncture. Other than that BV, Sinbaro, Jungsongouhyul Pharmacopuncture, Cornu Cervi Pantotrichum Pharmacopuncture and Ginseng pharmacopuncture are used. 4. The most frequently used part as a treatment point is ST4, ST6, TE17.

말초성 안면마비 입원환자 250례에 대한 임상적 고찰 (A Clinical Analysis on 250 cases of Inpatients with Facial Paralysis)

  • 강나루;탁명림;변석미;고우신;윤화정
    • 한방안이비인후피부과학회지
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    • 제23권3호
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    • pp.109-121
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    • 2010
  • Objectives : This study was performed to analysis the effect of oriental medical care for inpatients with facial paralysis that had visited Dept. of Otolaryngology Oriental medical hospital Dong-eui university. Methods : From January 2008 to September 2010, a clinical study was done on 250 inpatients who were treated as facial nerve paralysis at the Dept. of Otolaryngology Oriental medical hospital Dong-eui university. This study was assessed using the chart analysis. Results : 1. The distribution of sex : female 54.8%, male 45.2%. The distribution of age was pregented that fifty to sixty was the most in 67 cases(26.8%). 2. The distribution of the period of admission : female 12.5 days, male 9.9 days. 3. The distribution of past history : hypertention(18.8%), diabetes-mellitus(10.85%), facial paralysis(9.25%), cerebrovascular disease(4.4%), liver disease(5.6%), hyperlipidemia(1.2%), otitis media(1.2%), herpes zoster(1.2%), cardiac disease(2.45%), thyroid disease(1.2%). 4. The distribution of the region of facial paralysis : Rt(55.36%), Lt(56.52%). 5. Check the mastoid pain : 66.8%(female 73.91%, male 58.04%). 6. Out of prescription(Ko-Bang, 古方), Galgeun-Tang(葛根湯) and Gaejigeogaegayoungchul-Tang was used most in each 34 cases, Daesiho-Tang(大柴胡湯) 30 cases, Galgeungabanha-Tang(葛根加半夏湯) 27 cases, Sihogaeji-Tang(柴胡桂枝湯) 14 cases, Hwanggigaejiomul-Tang 12 cases, Odu-Tang(烏頭湯) 10 cases, Chijadaehwangsi-Tang 10 cases, Gaejigagalgeun-Tang(桂枝加葛根湯) 7 cases, Banhasasim-Tang(半夏瀉心湯) 5 cases, Injinho-Tang(茵蔯蒿湯) 5 cases in order. 7. The distribution of herb group : Mahwang-Jae(麻黃劑) 31.72%, Gaeji-Jae(桂枝劑) 26.00%, Siho-Gae(柴胡劑) 20.70%, Chija-Gae(梔子劑) 7.49%, Buja-Jae(附子劑) 4.41%, Banhahwanggeum-Gae(半夏黃芩劑) 3.08%, Daehwang-Gae(大黃劑) 2.64%, Bockryeong-Gae(茯笭劑) 1.76%, Jisil-Gae(枳實劑) 1.32%, Insam-Gae(人蔘劑) 0.88% in order. 8. The distribution of House-Brackmann grade of admission : Gr Ⅳ 74.85%, Gr.III 13.6%, Gr.V 11.6% in order. 9. The distribution of House-Brackmann grade of discharge : Gr.III 56%, Gr.IV 38.4%, Gr.II 5.6% in order. 10. The average number of OPD follow up is 6.46. Conclusion : This results indicated that oriental medical treatment with Ko-bang(古方) can be an effective way to treat facial paralysis. The more patients we treat with Ko-bang(古方), the more clinical report is accumulated. Then it would be helpful to map out a systematic treatment on facial paralysis.