• Title/Summary/Keyword: human eyes

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Face Component Extraction in Image Sequences by Slant-Compensation of Predicted Face Area (동영상에서 예측된 얼굴 영역의 기울어짐 보상에 의한 얼굴 구성요소 추출)

  • Yang, Ae-Gyeong;Lee, Geun-Su;Choe, Hyeong-Il
    • Journal of KIISE:Software and Applications
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    • v.26 no.11
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    • pp.1332-1341
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    • 1999
  • 본 논문에서는 시간에 따라 위치 및 회전각도가 변하는 얼굴 영상을 분석하여 눈과 입을 추출하는 방법을 제안한다. 동영상에서의 얼굴 영역을 효과적으로 추적하기 위해 간편화된 칼만 필터를 제안하며, 예측된 얼굴 영역 내에서 얼굴의 회전 각도를 고려하여 수직 및 수평 프로파일을 적용함으로써 좀 더 정교하게 얼굴 구성요소를 추출한다. 제안한 방법의 효율성은 실험 결과를 통하여 보인다.Abstract We propose the method that extracts eyes and mouth of human by analysing facial image sequences which can change their positions and orientations along the time. We propose the simplified Kalman filter to track the area of human face efficiently in image sequences. We also devise the method of slant-compensation, so that the facial components could be extracted more accurately by using vertical and horizontal profiles of the compensated images. Finally, we show the effectiveness of the suggested method through experimental results.

A Study on Real Time Control of Moving Stuff Action Through Iterative Learning for Mobile-Manipulator System

  • Kim, Sang-Hyun;Kim, Du-Beum;Kim, Hui-Jin;Im, O-Duck;Han, Sung-Hyun
    • Journal of the Korean Society of Industry Convergence
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    • v.22 no.4
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    • pp.415-425
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    • 2019
  • This study proposes a new approach to control Moving Stuff Action Through Iterative Learning robot with dual arm for smart factory. When robot moves object with dual arm, not only position of each hand but also contact force at surface of an object should be considered. However, it is not easy to determine every parameters for planning trajectory of the an object and grasping object concerning about variety compliant environment. On the other hand, human knows how to move an object gracefully by using eyes and feel of hands which means that robot could learn position and force from human demonstration so that robot can use learned task at variety case. This paper suggest a way how to learn dynamic equation which concern about both of position and path.

Automatic Face and Eyes Detection: A Scale and Rotation Invariant Approach based on Log-Polar Mapping (Log-Polar 사상의 크기와 회전 불변 특성을 이용한 얼굴과 눈 검출)

  • Choi, Il;Chien, Sung-Il
    • Journal of the Korean Institute of Telematics and Electronics S
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    • v.36S no.8
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    • pp.88-100
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    • 1999
  • Detecting human face and facial landmarks automatically in an image is as essential step to a fully automatic face recognition system. In this paper, we present a new approach to detect automatically face and its eyes of input image with scale and rotation variations of faces by using an intensity based template matching with a single log-polar face template. In a template-based matching it is necessary to normalize the scale changes and rotations of an input image to a template ones. The log-polar mapping which simulates space-variant human visual system converts scale changes and rotations of input image into constant horizontal and cyclic vertical shifts in the output plane. Intelligent use of this property allows us to shift of the candidate log-polar faces mapped at various fixation points of an input image to be matched to a template over the log-polar plane. Thus, the proposed method eliminates the need of adapting multitemplate and multiresolution schemes, which inevitably give rise to intensive computation involved to cope with scale and rotation variations of faces. Through this scale and rotation involved to cope with scale and method can lead to detecting face and its eyes simultaneously. Experimental results on a database of 795 images show over 98% detection rate.

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Natural Space and Cognitional Space in Modern (근대의 자연 공간과 인식 공간)

  • Kang, Dong-soo
    • Journal of Korean Philosophical Society
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    • v.116
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    • pp.1-31
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    • 2010
  • This Article studies a meaning of geometrical-mathematical spatial idea in the source of modern theories of space. Modern theories of space elucidated a relation of human and space through the geometrical terms; point, line, plane and extension etc. Descartes and Newton identified space as a natural realty, Leibniz and Kant elucidated space as a subjective idea or form. It is the result of modern spatial theories that space is lied nearly in human. In the meaning of natural space, space is empirically unfolded with a shape of measuring in front of human's eyes. In the meaning of cognitional space, space is a method or subjective cognitional form that human understands nature and constitutes world. Modern theories of space would be divided into four patterns. In Newton's theory space is absolutely prior to things. In Leibniz' theory space is a co-existence order of Monads. In Descartes's theory space is identified with extension. In Kant's theory space is cognitional form of subject. They all are confronted with each other in the source of space. In their confrontation they reflected on the relation of human and space in their own standpoint. We classify their particularly differential concepts of space into natural space and cognitional space. And then we analyze a difference of spatial meanings, and then investigate foundations of meaning of modern theories of space. On the one hand they are become to the source of alienation of human from space. But on the other they are contributed to get space familiar with human through a wakening for the correlation of human and space. The natural space indicates that with measurable shape space is extended really in front of human's experiential eyes. But the cognitional space elucidates that space is only a subjective idea or form with which human understands nature and constructs world. In the former it is embossed that space is independent to human, and is able to be measured and to be treated according to natural raws. In the latter it is evidenced that space is not separated to human, and that space is not without human, and a correlation existed between human and space. Humanist ideal is declared in them. It was a declaration of human sovereignty to nature. But this declaration is caused to alienate human beings from space.

Protection of Rabbits from Experimental Pseudomonas Endophthalmitis by Human Anti-P. aeruginosa Outer Membrane Proteins IgG

  • Lee, Na-Gyong;Ahn, Bo-Young;Kwon, Oh-Woong
    • Journal of Microbiology and Biotechnology
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    • v.13 no.3
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    • pp.444-450
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    • 2003
  • In order to develop an effective means to treat P. aeruginosa infections, we have purified P. aeruginosa outer membrane proteins (OMPs)-specific human IgG antibody. In this study, we investigated the protective activity of the purified anti-OMPs IgC against P. aeruginosa infection in a rabbit endophthalmitis model. Rabbits were inoculated by an intravitreal injection with P. aeruginosa, and treated with a single dose of 1 mg anti-P. aeruginosa OMPs IgG. All the control rabbits predominantly developed edematous responses and opacity in the eyes, but the rabbits treated with the antibody showed only very limited degree of edema. Aliquots of the vitreous humor were extracted and analyzed for the number of viable bacteria and endotoxin level. The results showed that the anti-OMPs IgC significantly reduced the bacterial count compared with the control group, and that the endotoxin level of the vitreous from the IgG-treated rabbits was more than 70-fold lower 6 h after the administration than the control animals. These data suggested that the anti-P. aeruginosa OMPs IgG is effective in inhibiting the bacterial growth and thereby in reducing endotoxin levels in the vitreous, warranting further development of the anti-P. aeruginosa OMPs IgG as a therapeutic means for treating Pseudomonas endophthalmitis.

A Study on Mouth Features Detection in Face using HMM (HMM을 이용한 얼굴에서 입 특징점 검출에 관한 연구)

  • Kim, Hea-Chel;Jung, Chan-Ju;Kwag, Jong-Se;Kim, Mun-Hwan;Bae, Chul-Soo;Ra, Snag-Dong
    • Proceedings of the Korea Information Processing Society Conference
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    • 2002.04a
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    • pp.647-650
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    • 2002
  • The human faces do not have distinct features unlike other general objects. In general the features of eyes, nose and mouth which are first recognized when human being see the face are defined. These features have different characteristics depending on different human face. In this paper, We propose a face recognition algorithm using the hidden Markov model(HMM). In the preprocessing stage, we find edges of a face using the locally adaptive threshold scheme and extract features based on generic knowledge of a face, then construct a database with extracted features. In training stage, we generate HMM parameters for each person by using the forward-backward algorithm. In the recognition stage, we apply probability values calculated by the HMM to input data. Then the input face is recognized by the euclidean distance of face feature vector and the cross-correlation between the input image and the database image. Computer simulation shows that the proposed HMM algorithm gives higher recognition rate compared with conventional face recognition algorithms.

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The Healing-Solidarity in Gaines's A Lesson Before Dying (게인즈의 『죽음 앞의 깨달음』에 나타난 치유하는 연대)

  • Lee, Kang Sun
    • English & American cultural studies
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    • v.17 no.1
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    • pp.107-128
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    • 2017
  • Gaines depicts the process of transformation of a black young who accepts his execution with dignity in A Lesson Before Dying. There two personas of the protagonist, Jefferson, appear in this novel. The former seen in the black and white community is the persona of falsehood and submission, and the latter appeared in the black community is the true persona. The former, the pig persona in black-and-white community is created, forced onto them by whites and the human persona in the black community is made by their own standards without being forced. Jefferson has been depersonalized by his pig persona. He implements their false persona by mimicking pigs to confront its reality. And then he retrospects the pleasure of relationship throughout his own life. Grant's expensive gift, the radio, becomes a trigger to realize the significance of his existence and the social solidarity. Moreover, many black visitors look at him with expectant eyes of fulfilling their historical burden. After all, Jefferson is executed as a human being with dignity, and the transformation of Jefferson from a pig to a human is getting rid of the white values and standing on the black values. In other words, it is the procedure of creating the new myth out of the false myth, from meaningless life to meaningful death.

Deep Brain Photoreceptors and Photoperiodism in Vertebrates

  • Oishi, Tadashi;Haida, Yuka;Okano, Keiko;Yoshikawa, Tomoko;Kawano, Emi;Nagai, Kiyoko;Fukada, Yoshitaka;Tsutsui, Kazuyoshi;Tamotsu, Satoshi
    • Journal of Photoscience
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    • v.9 no.2
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    • pp.5-8
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    • 2002
  • Photoperiodism is an important adaptive phenomenon in various physiological parameters including reproduction to cope with seasonal changes. Involvement of extraretinal photoreceptors in the photoperiodism in non-mammalian vertebrates has been well established. In addition, circadian clock system is known to be involved in the photoperiodic time measurement. The pathway consists of light-input system, time measurement system (circadian clock), gonadotropin releasing hormone (GnRH) production in the hypothalamus, luteinizing hormone (LH) and follicle stimulating hormone (FSH) production in the pituitary, and final gonadal development. Recently, several laboratories reported photopigments newly cloned in the pineal, eyes and deep brain in addition to already known visual pigments in the retina. These are pinopsin, parapinopsin, VA-opsin, melanopsin, etc. All these photopigments belong to the opsin family having retinal as the chromophore. However, the function of these photopigments remains unknown. I reviewed the studies on the location of the photopigments by immunocytochemistry. I also discussed the results on the action spectra for induction of gonadal development in relation with the location of the photoreceptors. Various physiologically active substances distribute in the vertebrate brain. Such substances are GnRH, GnIH, neuropeptide Y, vasoactive intestinal peptide, c-Fos, galanin, neurosteroids, etc. I summarized the immunhistochemical studies on the distribution and the photoperiodic changes of these substances and discussed the route from the deep brain photoreceptor to GnRH cells.

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A Study on the Aesthetics of Women's Body in the Chinese Republican Period -Focused on Women's Magazines, Funüzazhi & Linglong- (민국시기 중국 여성들의 인체미 의식에 대한 연구 -푸뉘자즈(부녀잡지(婦女雜誌))와 링롱(영롱(玲瓏))을 중심으로-)

  • Lee, Soon-Jae
    • Journal of the Korean Society of Clothing and Textiles
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    • v.37 no.3
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    • pp.357-370
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    • 2013
  • The Republican Period of China (1912 to 1949) was when the archetypes of thought (constituting contemporary China) engaged in heated rivalry and were directly influenced by Korea through frequent exchanges. This study analyzes the characteristic of Chinese women's aesthetics towards the human body with a focus on visual materials (such as articles and illustrations concerning hairstyle, makeup, skincare, fashion, and gymnastics) featured in the Chinese women magazines of Fun$\ddot{u}$zazhi (婦女雜誌) and Linglong (玲瓏). This study analyzes these magazines and compares them with Korean counterparts. The movement of the developed and controlled human body was a common characteristic of this period; however, compared to the Chinese, the Japanese colonial period of Korea resulted in an introspective self-examination through excessively objectified eyes. Dress and adornment as the symbol of a new civilization acted as the most remarkable signifier. The overlapping of a western image with a Japanese image led to more resistance in Korea. The criterion for the value of a women's external appearance (that traditionally dualized womanly virtues) collapsed and dress was accepted as an expression of individuality instead of as a social class. The human body was traditionally recognized as a microcosm of the universe that dominated the natural principle of Yin-Yang and the Five Elements. However, the ideal human body was postulated and the aesthetic consciousness of the body changed into an imaginary view of the human body that proceeded to keep the body fit for and gave birth to the concept of supplementing the deficiency of the beauty of the human body with dress and makeup.

Image Enhancement Using Human Visual Perception (인간 시각의 인지 특성을 이용한 영상 화질 향상 방법)

  • Bang, Seangbae;Kim, Wonha
    • Journal of Broadcast Engineering
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    • v.23 no.2
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    • pp.206-217
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    • 2018
  • We develop the signal processing method for adaptive implementing direction of signal and the frequency sensitivity of human visual system(HVS). Existing multiband energy scaling method makes ringing artifact because it does not consider signal direction. To solve this problem, we use block gradient for signal direction in addition to existing method. And we use the fact that frequency component of signal is more sensitive than value of signal over human eyes. we enhance the signal according to contrast sensitivity function(CSF) which is the model of frequency sensitivity of human eye. Compared that the existing analysis models only improve the efficiencies in the existing systems, the developed method can process the image signals to be more desirable and suitable to HVS.