• 제목/요약/키워드: Artificial skin

검색결과 259건 처리시간 0.026초

The Portrayal of the Image of Women in Cosmetic Advertisements

  • Kim, Jung-Hwan
    • International Journal of Human Ecology
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    • 제8권2호
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    • pp.127-139
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    • 2007
  • The purpose of this study is (1) to investigate how women's visual images in cosmetic magazine advertisements have changed over time and (2) to examine whether women's images in advertisements have changed in regards to the symbolic ambiguity of dress and appearance styles according to the time period. Social identity theory was used as the theoretical framework to understand the change of gender identity and physical appearance. The two magazines of Vogue and Working Woman were selected for the years of 1981, 1991, and 2001. The findings of the study showed that women's make-up colors portrayed in cosmetics magazine advertisements changed from artificial to natural over 20 years and messages in cosmetics magazine advertisement changed from a focus on attractiveness to a focus on skin-care and health. However, appearance styles of women in the advertisements analyzed were predominantly more feminine than masculine for the entire time period studied.

Algin을 이용한 화상연고제의 개발 (Development of Burn Ointment using Algin)

  • 정덕채;이기창
    • 한국응용과학기술학회지
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    • 제16권3호
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    • pp.187-191
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    • 1999
  • Burns can be caused by fire, chemicals, heated object and fluids. Distinguishing a minor burn from a more serious burn involves determining the degree of damage to the tissues of the body. Algin is known as natural polymer marine plants, we prepared the official burn ointment which is made by Algin. This burn ointment was covered on the skin wound of artificial burned and their effect of healing was investigated by the evaluation of histological and hematological change as a function of time. The result of rats test showed that burn ointments made from Algin was effective in formation of the new tissue and reduction of inflammation.

A Case Report of Rare Complications after Epicardial Permanent Pacemaker Implantation in an Infant: Airway Compression, Skin Necrosis, and Bowel Perforation

  • Kim, Woojung;Kwak, Jae Gun;Min, Jooncheol;Kim, Woong-Han
    • Journal of Chest Surgery
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    • 제53권2호
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    • pp.82-85
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    • 2020
  • Insertion of an epicardial pacemaker is a useful treatment for pediatric patients with an abnormal heart rhythm. However, there are limitations and concerns when implanting epicardial pacemakers in infants and neonates due to their small body size. We report a patient who experienced rare complications after implantation of a permanent pacemaker.

전기 업셋팅 공정의 강열점소성 유한요소해석 (Rigid-thermoviscoplastic finite element analysis of an electric upsetting process)

  • 이민철;최인수;김홍태;전만수
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 2007년도 추계학술대회 논문집
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    • pp.177-182
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    • 2007
  • We simulated an electric upsetting process by the rigid-thermoviscoplastic finite element method. Several engineering assumptions were made to calculate the heat generation due to the electric resistance. The skin effect of the bar was taken into account for the heat generation. The approach was applied to simulate an artificial electric upsetting process for the exhaust valve of the ship engine.

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Trimethylene Carbonate와 $\varepsilon$-caprolactone를 이용한 ABA 형태 공중합체 합성에 관한 연구 (Synthesis of ABA-type Block Copolymer of Trimethylene Carbonate and $\varepsilon$-caprolactone)

  • Yong Tang Jia;Hak Yong Kim;Douk Rae Lee;Ding Bin;Narayan Bhattarai
    • 한국섬유공학회:학술대회논문집
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    • 한국섬유공학회 2001년도 가을 학술발표회 논문집
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    • pp.341-344
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    • 2001
  • Over the last 20 years, biodegradable materials in medical applications have been studied extensively. Among these materials, poly(ε-caprolactone) and poly(trimethylene carbonate)(PTMC) are attractive biopolymers to be used as biodegradable sutures, artificial skin, drug release system. It was known that PCL is a nontoxic biocompatible semicrystalline polymer with melting point of 63℃, and PTMC is an amorphous or little crystaline polymer. (omitted)

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하계 인공환경실험에서의 온열쾌적특성 (Characteristics of thermal comfort for artificial environment experiment in summer)

  • 박종일;김경훈;홍희기;민병일;김창주
    • 설비공학논문집
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    • 제10권3호
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    • pp.368-377
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    • 1998
  • The purpose of this study was to examine theory about indoor thermal comfort-environment as well as to determine thermal sensation and physiological responses for men in summer indoor environment, under various air temperature and relative humidity, with male university students. Subjective Evaluation, Heart Rate(Electrocardiogram), Electroencephalogram(EEG) were examined. We found that comfort of people was achieved at SE $T^{*}$ 24.7$^{\circ}C$, -0.82<PMV<0.93, subject's clothing(0.41c1o)and the difference of skin temperature was found at the calf area as air temperature changes. At low SE $T^{*}$, heart rate was decreased and at high SE $T^{*}$, heart rate was increased but there was no change EEG(keeping $\alpha$-wave).wave).

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칼만 필터를 이용한 시청각 음원 정위 및 추적 (Audio-Visual Localization and Tracking of Sound Sources Using Kalman Filter)

  • 송민규;김진영;나승유
    • 한국지능시스템학회논문지
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    • 제17권4호
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    • pp.519-525
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    • 2007
  • 최근 로봇 기술 및 응용에 대한 관심이 고조됨에 따라, 로봇의 청각기술에 대한 연구가 활발하다. 본 기술에서는 로봇 탑재용으로 인간 청각기능중 하나인 음원정위 및 추적기술에 대하여 논한다. 음원 정위 및 추적을 위하여 시청각 정보를 이용하였는데, 시각정보로는 얼굴색 기반 얼굴 탐지 정보를 이용하였으며, 양이(binaural) 기반의 음원 추정 정보가 청각 정보로서 활용되었다. 시각과 청각 정보는 Kalman 필터를 이용하여 통합하였다. 실험결과 시청각 음원 추적 기술은 일부 정보의 유실이 있을 때, 효과적으로 활용될 수 있음을 보였다.

로봇 손의 인공 피부형 접촉 센서의 개발 (Development of a Tactile Array Sensor Layered in Artificial Skin for Robot Hand)

  • 임미섭;오상록;이종원
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1996년도 하계학술대회 논문집 B
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    • pp.1272-1274
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    • 1996
  • This paper presents the development of tactile sensor systems for robot hand which are truly usable, robust, reliable and cheap system. The sensor incorporates multiple sensing subsystems for detecting distributed contact forces and surface characteristics. The fabrication and experimental evaluation of the tactile system and its electric interfaces are described. The results indicate that the system provides reasonable performances for practical applications requiring manipulation with tactile feedback.

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Reconstruction of Collagen Using Tensor-Voting & Graph-Cuts

  • Park, Doyoung
    • 한국정보기술학회 영문논문지
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    • 제9권1호
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    • pp.89-102
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    • 2019
  • Collagen can be used in building artificial skin replacements for treatment of burns and towards the reconstruction of bone as well as researching cell behavior and cellular interaction. The strength of collagen in connective tissue rests on the characteristics of collagen fibers. 3D confocal imaging of collagen fibers enables the characterization of their spatial distribution as related to their function. However, the image stacks acquired with confocal laser-scanning microscope does not clearly show the collagen architecture in 3D. Therefore, we developed a new method to reconstruct, visualize and characterize collagen fibers from fluorescence confocal images. First, we exploit the tensor voting framework to extract sparse reliable information about collagen structure in a 3D image and therefore denoise and filter the acquired image stack. We then propose to segment the collagen fibers by defining an energy term based on the Hessian matrix. This energy term is minimized by a min cut-max flow algorithm that allows adaptive regularization. We demonstrate the efficacy of our methods by visualizing reconstructed collagen from specific 3D image stack.

Anomaly Sewing Pattern Detection for AIoT System using Deep Learning and Decision Tree

  • Nguyen Quoc Toan;Seongwon Cho
    • 스마트미디어저널
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    • 제13권2호
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    • pp.85-94
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    • 2024
  • Artificial Intelligence of Things (AIoT), which combines AI and the Internet of Things (IoT), has recently gained popularity. Deep neural networks (DNNs) have achieved great success in many applications. Deploying complex AI models on embedded boards, nevertheless, may be challenging due to computational limitations or intelligent model complexity. This paper focuses on an AIoT-based system for smart sewing automation using edge devices. Our technique included developing a detection model and a decision tree for a sufficient testing scenario. YOLOv5 set the stage for our defective sewing stitches detection model, to detect anomalies and classify the sewing patterns. According to the experimental testing, the proposed approach achieved a perfect score with accuracy and F1score of 1.0, False Positive Rate (FPR), False Negative Rate (FNR) of 0, and a speed of 0.07 seconds with file size 2.43MB.