• Title/Summary/Keyword: Face segmentation

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Real-time Tracking and Identification for Multi-Camera Surveillance System

  • Hong, Yo-Hoon;Song, Seung June;Rho, Jungkyu
    • International Journal of Internet, Broadcasting and Communication
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    • v.10 no.1
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    • pp.16-22
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    • 2018
  • This paper presents a solution for personal profiling system based on user-oriented tracking. Here, we introduce a new way to identify and track humans by using two types of cameras: dome and face camera. Dome camera has a wide view angle so that it is suitable for tracking human movement in large area. However, it is difficult to identify a person only by using dome camera because it only sees the target from above. Thus, face camera is employed to obtain facial information for identifying a person. In addition, we also propose a new mechanism to locate human on targeted location by using grid-cell system. These result in a system which has the capability of maintaining human identity and tracking human activity (movement) effectively.

Region Segmentation of Face for Observing a Person's Face Color (찰색을 위한 얼굴 영상의 영역 분할)

  • Kim, Bong-Hyun;Cho, Dong-Uk;Lee, Se-Hwan
    • Proceedings of the Korea Information Processing Society Conference
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    • 2005.11a
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    • pp.693-696
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    • 2005
  • 한의학은 우수한 진단 능력을 보유하고 있음에도 불구하고 임상의의 직관에 머물러 있었던데 비해 서양의학은 다양한 진단 기기 개발로 인해 시장 성숙도 및 선호도에서 발전을 거듭하는 결과를 가져왔다. 본 논문에서는 한방의 직관적 진단법을 시각화, 객관화하기 위해 4진 방법 중 안면 망진 기법을 기기로 구현하기 위한 방법론을 제안하고자 한다. 이를 위해 우선적으로 찰색에 필요한 영역을 자동으로 분할하기 위한 방법을 개발하여 질병 진단에 필요한 진단 데이터를 시각화, 정량화, 계량화하기 위한 작업을 행하고자 한다. 또한 얼굴 안면의 색상 보정을 위해 화이트 밸런스 촬영으로 이미지를 분석하고 얼굴영역을 추출하며, 이목구비와 명당 영역을 추출하여 찰색에 필요한 영역을 분할해 내고자 한다. 끝으로 실험에 의해 제안한 방법의 유용성을 입증하고자 한다.

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Face Segmentation Using Mosaic (모자이크를 이용한 얼굴 영역의 추출)

  • 이승훈;이필규
    • Proceedings of the Korea Database Society Conference
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    • 1995.12a
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    • pp.197-202
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    • 1995
  • 본 논문에서는 조명, 얼굴 개수 및 얼굴의 크기에 제한 받지 않고 복잡한 배경에서 얼굴 영역을 추출하는 알고리즘을 제안한다. 이 알고리즘은 3단계로 구성된다. 첫번째 단계는 입력 영상의 평균 그레이값을 계산하고 그 값이 임계치보다 작다면 히스토그램 균일화 작업을 수행한다. 두번째 단계에서는 입력 영상의 모자이크 이미지를 만들고 이 이미지에 대해 확장된 quartet을 만들고 실험을 통해 얻어진 규칙을 적용하여 대략적으로 얼굴의 후보 영역들을 추출한다. 이 작업은 모자이크 이미지를 구성하는 셀의 크기를 변화시킬 때마다 적용한다. 세번째 단계에서는 추출된 얼굴 후보 영역에 대해 Octet을 만들고 이 octet에 규칙을 적용하여 후보 영역에 대한 검증 작업을 수행한다. 세번째 과정에서 만들어진 모자이크 이미지는 두 번째 과정에서 얻어진 이미지보다 더 세밀하게 얼굴의 특징들을 표현하고 검증한다.

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Face Detection Using Region Segmentation (영역 분할을 이용한 얼굴 영역 검출)

  • 박선영;이재원;강병두;김종호;김상균
    • Proceedings of the Korean Information Science Society Conference
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    • 2004.04b
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    • pp.712-714
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    • 2004
  • 본 논문에서는 다양한 변화에서 얼굴을 효과적으로 검출할 수 있는 방법론을 제안한다. 우리는 복잡한 배경에서 보다 효과적으로 얼굴 영역을 검출하기 위해 영역 분할 알고리즘인 JSEG를 이용하여 영역을 분할을 하게 된다. 그리고 조명 변화에 따른 간섭이 비교적 작은 YCrCb 칼라 모델을 이용하여 분할된 영역에서 후보 얼굴 영역을 찾는다. 마지막으로 보다 정확한 결과를 위하여 검출된 얼굴 후보 영역에서 눈과 눈썹을 검출하고 눈과 눈썹의 기하학적 정보를 이용해서 최종 얼굴 영역을 결정한다. 영역 분할을 이용함으로써 복잡한 배경과 다양한 조명 변화를 지닌 환경에서 다양한 얼굴 영상들을 실험한 결과 높은 정확도를 보여주었다.

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Adaptive Skin Color Segmentation in a Single Image using Image Feedback (영상 피드백을 이용한 단일 영상에서의 적응적 피부색 검출)

  • Do, Jun-Hyeong;Kim, Keun-Ho;Kim, Jong-Yeol
    • Journal of the Institute of Electronics Engineers of Korea SP
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    • v.46 no.3
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    • pp.112-118
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    • 2009
  • Skin color segmentation techniques have been widely utilized for face/hand detection and tracking in many applications such as a diagnosis system using facial information, human-robot interaction, an image retrieval system. In case of a video image, it is common that the skin color model for a target is updated every frame for the robust target tracking against illumination change. As for a single image, however, most of studies employ a fixed skin color model which may result in low detection rate or high false positive errors. In this paper, we propose a novel method for effective skin color segmentation in a single image, which modifies the conditions for skin color segmentation iteratively by the image feedback of segmented skin color region in a given image.

A Study on Face Object Detection System using spatial color model (공간적 컬러 모델을 이용한 얼굴 객체 검출 시스템 연구)

  • Baek, Deok-Soo;Byun, Oh-Sung;Baek, Young-Hyun
    • 전자공학회논문지 IE
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    • v.43 no.2
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    • pp.30-38
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    • 2006
  • This paper is used the color space distribution HMMD model presented in MPEG-7 in order to segment and detect the wanted image parts as a real time without the user's manufacturing in the video object segmentation. Here, it is applied the wavelet morphology to remove a small part that is regarded as a noise in image and a part excepting for the face image. Also, it did the optimal composition by the rough set. In this paper, tile proposed video object detection algorithm is confirmed to be superior as detecting the face object exactly than the conventional algorithm by applying those to the different size images.put the of paper here.

A Study on the YCbCr Color Model and the Rough Set for a Robust Face Detection Algorithm (강건한 얼굴 검출 알고리즘을 위한 YCbCr 컬러 모델과 러프 집합 연구)

  • Byun, Oh-Sung
    • Journal of the Korea Society of Computer and Information
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    • v.16 no.7
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    • pp.117-125
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    • 2011
  • In this paper, it was segmented the face color distribution using YCbCr color model, which is one of the feature-based methods, and preprocessing stage was to be insensitive to the sensitivity for light which is one of the disadvantages for the feature-based methods by the quantization. In addition, it has raised the accuracy of image synthesis with characteristics which is selected the object of the most same image as the shape of pattern using rough set. In this paper, the detection rates of the proposed face detection algorithm was confirmed to be better about 2~3% than the conventional algorithms regardless of the size and direction on the various faces by simulation.

Main Region and Color Extraction of Face for Heart Disease Diagnosis (심장 질환 진단을 위한 얼굴 주요 영역 및 색상 추출)

  • Cho Dong-Uk
    • The KIPS Transactions:PartB
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    • v.13B no.3 s.106
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    • pp.215-222
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    • 2006
  • People health improvement is becoming new subject through the combining with the oriental medicine diagnosis theory and IT technology. To do this, firstly, it needs sicked data that supply the visualization, objectification and quantification method. Especially, if an ocular inspection can be more objective and visual expression in oriental medicine, it seems to offer the biggest opportunity in diagnosis field. In this study, I propose a diagnosis to check the symptoms of heart diagnosis. Our research aim is on the visualization of diagnosis using image processing system which it can be actual analysis about the symptom of heart. To catch up this study, through the color support assistance by face image processing, I devide the face area and analyze the face form and also extract face characteristic point in heart disease diagnosis using oriental medicine based on an ocular inspection method. I would like to prove the usefulness of the method that proposed by an experiment.

Make-Up Behavior and Influential Factors - Focusing on Clothing Involvement, Age and Face Satisfaction - (화장행동과 영향 변인 연구 -의복관여도, 연령, 얼굴만족도를 중심으로-)

  • 백경진;김미영
    • Journal of the Korean Society of Clothing and Textiles
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    • v.28 no.7
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    • pp.892-903
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    • 2004
  • The purpose of this study was to analyze the differences in make-up behavior according to clothing involvement, age, and face satisfaction. Subjects of is study were the females in Seoul and Kyonggi, who were 20s and 40 $.$ 50s. Questionnaire was used as major method of gathering data. The data were collected from Sep. to Oct. in 2003 and analyzed by using SPSS 10.0 with various techniques such as the factor analysis, mean, percentage, cluster analysis, ANOVA, Duncan test, 1-test, Cronbach's $\alpha$, and $\chi$$^2$-test. The results of this study were as follows: 1. The consumers were classified into four categories by clothing involvement; high clothing involvement group, low fashion involvement group, middle clothing involvement group, low clothing involvement group. 2. The differences in make-up behavior according to the clothing involvement showed that make-up behavior was getting more aggressive as clothing involvement was getting higher. And generally Korean females thought the make-up was important. 3. The differences in make-up behavior according to the age revealed that 20s' make-up behavior was fashion oriented more than 40ㆍ50s, and 40ㆍ50s' make-up behavior was that they were taking a serious viewer than 20s' in interpersonal relationship oriented make-up behavior. 4. The result of differences in make-up behavior according to the face satisfaction was that no noticeable difference was found depending on the face satisfaction. This study revealed that the differences in make-up behavior according to clothing involvement and age were found and suggested that the cosmetic market segmentation could depend on clothing involvement market and two age group market such as younger and elder than 40ㆍ50s.

Automatic Indexing for the Content-based Retrieval of News Video (뉴스 비디오의 내용기반 검색을 위한 자동 인덱싱)

  • Yang, Myung-Sup;Yoo, Cheol-Jung;Chang, Ok-Bae
    • The Transactions of the Korea Information Processing Society
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    • v.5 no.5
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    • pp.1130-1139
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    • 1998
  • This paper presents an integrated solution for the content-based news video indexing and the retrieval. Currently, it is impossible to automatically index a general video, but we can index a specific structural video such as news videos. Our proposed model extracts automatically the key frames by using the structured knowledge of news and consists of the news item segmentation, caption recognition and search browser modules. We present above three modules in the following: the news event segmentation module recognizes an anchor-person shot based on face recognition, and then its news event are divided by the anchor-person's frame information. The caption recognition module detects the caption-frames with the caption characteristics, extracts their character region by the using split-merge method, and then recognizes characters with OCR software. Finally, the search browser module could make a various of searching mechanism possible.

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