• 제목/요약/키워드: color formation

검색결과 819건 처리시간 0.029초

Color Formation Mechanism of Ceramic Pigments Synthesized in the TiO2-SnO-ZnO Compounds

  • Kim, Soomin;Kim, Ungsoo;Cho, Woo-Seok
    • 한국세라믹학회지
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    • 제55권4호
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    • pp.368-375
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    • 2018
  • This study deals with the color formation of ceramic pigment in the $TiO_2$-SnO-ZnO system. We designed compounds to control the color formation depending on the composition using the Design of Experiment. The color coordinate values of synthesized pigments, $L^*a^*b^*$ were measured and statistically analyzed color for changing elements depending on its composition. The relationship between the major crystalline phases and chromaticity was examined using XRD, and the oxidation states of each element were analyzed by XPS. The synthesized pigments based on the compound design exhibited various color changes ranging from yellow-orange to green-blue and brown. The statistical analysis on the spectrophotometer results shows that $a^*$ and $b^*$ values decreased with $TiO_2$ content, and increased with SnO content. Yellow-orange color was detected with the main peak of SnO, and the green-blue color developed with the main peak of $Zn_2TiO_4$. The $a^*$ and $b^*$ values increased with increased SnO peak intensity, and decreased with increased $Zn_2TiO_4$ peak intensity. The results revealed that pigment color formation was influenced by changes in the main crystalline phases and crystalline intensity. However, XPS analysis of the oxidation states of each element showed little correlation with the pigment chromaticity result.

지각자의 성격변인에 따른 의복단서의 인상효과에 대한 연구 (Effects of Clothing Cues and Perceiver's Personality Traits Variables on Impression Formation)

  • 이현화;박찬부
    • 한국의류학회지
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    • 제22권3호
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    • pp.341-352
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    • 1998
  • The purpose of this study was to investigate the effect of clothing cues (color, color scheme, structure) on impression formation by perceiver personality variable. The subjects were consisted of 77 male and 86 female undergraduate and graduate students. The experimental inventories for this study were a set of stimuli, a response scale, standardized MBTI. The stimuli were eighteen photographs and one extra photograph of a female wearing Korean dress, Chima and Jokori-varied in hue (cool, warm), color scheme (related schemes, con- trasting schemes) of the same silhouette. Results indicate that the most affecting perceiver's personality variables on impression effects were judging-perceiving traits and extraversion -introversion traits. The interaction effects were most frequently appeared between color scheme (clothing cues) and perceiver's personality traits. The impression factors which were most affected by perceiver's personality traits variables were preference· evaluation factor and individuality· attention factor.

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컬러코디네이션 기법이 남성 착용자의 인상에 미치는 영향 (제1보) -톤 온 톤 배색을 중심으로- (The Effect of Color Coordination Type on Impression of Male (part I) - Focus on Tone-on-tone Coloration -)

  • 임지영;강경자
    • 한국의류학회지
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    • 제30권7호
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    • pp.1012-1024
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    • 2006
  • The purpose of this study is to investigate the effect of color, shirt tone, tie tone, perceiver's gender on impression formation by applying tone on tone coloration of shirt and necktie: coloration of two colors. The experimental materials developed for this study were a set of stimulus and response scales. The stimuli were 32 upper body photographs which were color outputs by CAD system(4D-box program). We unified those colors of shirts and neckties same, then made shirt and necktie tone differently. 27 bi-polar adjectives, each of which was graded into seven in its degree, were used to evaluate the impression. The subjects of this research were 192 male and 192 female college students in Gyeongnam province including Jinju City. The data was analyzed by using SPSS program. Analysis methods were four-way ANOVA. The items of the adjectives were classified into 5 impression dimension. - potency, activity, attractiveness, visibility and tenderness. Color, shirt tone, tie tone, and perceiver gender influenced on 5 impression formation by interaction as well as independently. Blue tie with vivid, light or dull tone had an effect on the formation of potency impression, vivid or light tone of shirt affected activity regardless of color or tie tone. As shirt and tie had different tone, effect on the formation of attractiveness impression, light tone had a negative effect on visibility but positive effect on tenderness. red color were more effective than blue expressed on visibility and tenderness in shirt or tie.

의상디자인요소가 의복착용자의 인상에 미치는 영향 (제2보) -Dress 및 Pants-Blouse의 형태와 색채를 중심으로- (The Effect of Elements of Apparel Design on Impression Formation Part ll -Emphasis on the form & color of dress and of pants-blouse-)

  • 이주현;강혜원
    • 한국의류학회지
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    • 제19권6호
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    • pp.984-994
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    • 1995
  • The dimensional structure of impression formed of a female figure in specific attire was identified and significant influence of skirt length and suit color on impression formed of figures in suits were researched in the part I of this study. In part ll, the effect of identical elements of apparel design on impression formation of a female figure in dress and pants- blouse were studied. The experimental matirals consisted of two sets of stimuli and 7 point semantic differential response scale developed in part 1. Each set of stimuli was composed of 20 drawings representing female figures in each attire. Three independent variables, which were the length of bottom, color of dress or pants and collar type of blouse, were manipulated in each stimulus. The experiment was arranged by 3 factorial design, and the data were analyzed by 3-way ANOVA and by Multiple Classification Analysis. To summarize, in impression formation of figure in dress, the most dominant design element was identified as bottom length and the second most dominant one was color of dress. In contrast, in perception of figure in pants-blouse, the most important design element was color of pants and secondly important one was bottom length. The collar type of top didn't have critical effect on impression formation of figures in both type of attire.

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뷰티메이크업의 입술 디자인이 인상형성에 미치는 영향 (The influence of beauty makeups lips design on the impression formation)

  • 안은재
    • 한국응용과학기술학회지
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    • 제38권6호
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    • pp.1654-1666
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    • 2021
  • 본 연구에서는 뷰티메이크업의 입술 디자인에 따른 인상형상, 선호 입술과 그 이유를 실증분석 하였다. 연구방법은 설문조사법으로 SPSS프로그램을 활용하였다. 연구 결과 입술의 색상과 형태가 인상 형성에 미치는 유의미한 영향을 확인하였으며 입술 화장에 관한 현대인들의 시각을 규명 할 수 있었다. 가장 선호하는 입술색상은 레드, 선호하는 입술의 형태는 표준형이었다. 요인분석 결과 입술 색상 중 레드는 유능성요인이 핑크색상은 사교성 요인이 가장 높게 나타났다. 본 연구가 뷰티디자인의 기초자료로서 활용되기를 기대한다.

의복과 메이크업의 대비색상 코디네이션이 이미지에 미치는 영향 (The Effect of the Contrast Color Coordination of Clothing and Makeup on Image Formation)

  • 정수진
    • 패션비즈니스
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    • 제12권1호
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    • pp.30-44
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    • 2008
  • The purpose of this study is to investigate the effect of eyeshadow color(brown, purple), lipstick color(red, red purple, and yellow red), and lipstick tone(vivid, light, dull, and dark), clothing tone(vivid, light, dull, and dark) on image formation. Sets of stimulus and response scales(7 point semantic) were used as experimental materials. The stimuli were 64 color pictures manipulated with the combination of eyeshadow color, lipstick color, lipstick tone, and clothing tone using computer simulation. The subjects were 384 female undergraduates living in Gyeongnam-do. Image factor of the stimulus was composed of 4 different components (attractiveness, visibility, gracefulness, and tenderness). In the 4 image components, eyeshadow color and clothing tone showed independent effect. Lipstick tone influenced independently on the visibility and tenderness. In the contrast color coordination of clothing and makeup, visibility image by the coordination of lipstick color with lipstick tone, lipstick color with clothing tone or lipstick tone with clothing tone, gracefulness image by the coordination of eyeshadow color with lipstick color, tenderness image can be produced by the coordination of eyeshadow color with lipstick color, eyeshadow color with lipstick tone or eyeshadow color with clothing tone.

Examining the star formation properties of Virgo galaxies undergoing ram pressure stripping

  • Mun, Jae Yeon;Hwang, Ho Seong;Chung, Aeree;Yoon, Hyein;Lee, Myung Gyoon
    • 천문학회보
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    • 제44권1호
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    • pp.75.3-75.3
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    • 2019
  • Understanding how ram pressure stripping (RPS) affects the star formation activity of cluster galaxies is one of the important issues in astrophysics. To examine whether we can identify any discernible trend in the star formation activity of galaxies undergoing ram pressure stripping, we study the star formation properties of galaxies in the Virgo cluster for which high-resolution HI images are available. We first classify galaxies in the Extended Virgo Cluster Catalog into different stages of RPS based on their HI morphology, HI deficiency, and location in phase space. We then examine various star formation activity indicators of these galaxies, which include starburstiness, g - r color, and WISE [3.4]-[12] color. No noticeable enhancement in star formation was identified for galaxies undergoing early or active stripping. Our results suggest that star formation activity at best seems to be enhanced locally in such galaxies, making it challenging to detect with integrated photometry. With the combination of HI deficiencies and locations in phase space, we were instead able to capture the overall quenching of star formation activity with increasing degree of ram pressure stripping, which agree with previous studies.

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개선된 영상 생성 모델에 기반한 칼라 영상 향상 (Color Image Enhancement Based on an Improved Image Formation Model)

  • 최두현;장익훈;김남철
    • 대한전자공학회논문지SP
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    • 제43권6호
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    • pp.65-84
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    • 2006
  • 본 논문에서는 개선된 영상 생성 모델을 제시하고, 제시된 모델에 기반한 칼라 영상 향상을 제안한다. 제시된 영상 생성 모델에서는 입력 영상을 전역 조명 성분과 국부 조명 성분, 그리고 반사율 성분의 곱으로 표현한다. 제안된 칼라 영상 향상에서는 RGB 입력 칼라 영상을 HSV 칼라 영상으로 변환한 다음, 백색광 조명 상태라는 가정 하에 개선된 영상 생성 모델에 근거하여 V 성분 영상만을 향상한다. 전역 조명 성분은 입력 V 성분 영상에 유효 영역이 넓은 선형 저대역 필터를 적용하여 추정하고, 국부 조명 성분은 입력 V 성분 영상에서 추정된 전역 조명 성분이 제거된 영상에 유효 영역이 좁은 JND (just noticeable difference) 기반의 비선형 저대역 필터를 적용하여 추정한다. 그리고 반사율 성분은 입력 V 성분 영상에 추정된 전역 조명 성분과 국부 조명 성분을 나누어 추정한다. 이어서 이들 추정된 성분에 감마 수정을 각각 적용하고 그 결과들을 곱하여 출력 V 성분 영상을 얻은 다음 히스토그램 모델링을 적용하여 최종 출력 V 성분 영상을 얻는다. 마지막으로 최종 출력 V 성분 영상과 입력 H 성분 영상 및 S 성분 영상으로부터 출력 RGB 칼라 영상을 얻는다. 실험 결과 제안된 방법은 NASA 홈 페이지로부터 다운받은 칼라 영상과 MPEG-7 CCD 칼라 영상으로 구축한 시험 영상 데이터 베이스에 대하여 후광 효과가 거의 억제되고 색상 변화가 거의 없으면서 전역 대비와 국부 대비를 동시에 잘 증가시키는 것을 확인하였다.

도쿄시 도시재정비계획과 경관색채 형성에 관한 연구 (A Study on Urban Regeneration Planning and Color-scape Formation in Tokyo)

  • 송대호
    • 한국산학기술학회논문지
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    • 제13권3호
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    • pp.1377-1384
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    • 2012
  • 일본의 도쿄(東京都)와 같은 도시는 도시의 정체성을 드러내는 여러 구성요소 중 경관색채를 적극적으로 활용하여 타 도시와는 차별되는 그 도시만의 특성을 극대화시킨 사례로 나타나고 있다. 이에 본 연구는 경관형성 계획을 통해 도시의 정체성을 살린 일본 도쿄시를 대상으로 도시재정비계획에 나타난 사업배경과 미래상 그리고 도시만들기의 목표, 경관형성 계획에 따른 색채현황 및 형성시책, 진행방식 등을 살펴봄으로써 경관형성의 특징과 그 시사하는 바를 고찰하고자 한다. 이는 향후 장기적 안목에서 도시재정비 및 경관계획시 방향설정을 위한 참고자료가 될 수 있을 것으로 기대한다.

측정방법에 따른 에틸렌 확산화염의 온도분포;열전대 및 이색법 측정 결과 비교 (Temperature Distribution in Ethylene Diffusion Flames Based on Measurement Techniques;Comparison of Thermocouple and Tow-Color Pyrometry)

  • 이원남;나용대;이범기;박승남
    • 한국연소학회:학술대회논문집
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    • 한국연소학회 2000년도 제21회 KOSCO SYMPOSIUM 논문집
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    • pp.175-182
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    • 2000
  • Flame temperatures were measured and compared using a rapid insertion technique and a two-color pyrometry with Abel inversion process in co-flow ethylene diffusion flames. The measured line-of-sight temperature showed very limited usefulness in understanding the detailed soot formation/oxidation process in a co-flow diffusion flame. The flame temperatures could be measured with reasonable accuracy for the soot laden regions in ethylene diffusion flames using two-color pyrometry with an Abel inversion technique. Two-color-pyrometry with Abel inversion was demonstrated as a useful temperature measurement technique for co-flow diffusion flames, expecially under pressure conditions, where a thermocouple is not applicable. The soot volume fraction could be also obtained using tow-color pyrometry with Abel inversion, which provides important information for understanding the soot formation/oxidation mechanism in diffusion flames.

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