• 제목/요약/키워드: color difference analysis

검색결과 725건 처리시간 0.027초

색상(Color)과 형태(Form)에 따른 시각적 주의에 관한 연구 -아이트래킹 실험을 중심으로- (A Study on Visual Attention According to Color and Form -Focusing on Eye Tracking Experiment-)

  • 황미경;권만우;박민희
    • 한국콘텐츠학회논문지
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    • 제19권4호
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    • pp.102-110
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    • 2019
  • 시각과 관련된 감성 연구 중에서 색에 대한 연구나 움직임에 대한 연구는 많이 이루어져 왔으나 정적인 형태 자체에서 감성을 불러일으킬 수 있는가에 대한 연구는 많이 이루어지지 않았다. 따라서 본 연구에서는 기본적인 3가지 형태를 중심으로 색상과 결합하여 영역 설정(AOI)에 의한 시각적 주의를 아이트래킹을 활용하여 분석하고 그 결과를 Heat Map과 Gaze Plot을 통해 시각적으로 표현하였다. 또한, 두 집단과 평균 차이에 대한 통계적 유의성을 검증하기 위해 대응표본 t검정을 실시하였다. 실험결과, 유채색의 형태가 무채색의 형태보다 시각적 주의가 크며, 난색의 형태가 한색의 형태보다 더 높은 평균을 보여 시각적 주의가 크다는 것을 알 수 있었다. 본 연구는 주관적으로 해석되기 쉬운 디자인적 요소를 객관적인 해석이 용이한 정량적 방법을 제시하는데 의의가 있다. 향후 본 연구결과를 토대로 더 많은 추가 연구가 수행되어 다양한 색상과 형태로부터 시각적 주의의 차이를 확인할 수 있는 정량적 해석 방법이 제시된다면 기초 디자인에 대한 가이드라인을 제공하는데 활용될 수 있을 것이다.

차영상 분석 기반의 자동차 엔진 실링상태 검사 시스템 (Car Engine Sealing Inspection System Based on Analysis of Difference Image)

  • 최상복;반상우;김기택
    • 한국멀티미디어학회논문지
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    • 제14권3호
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    • pp.356-367
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    • 2011
  • 본 논문에서는 차 엔진의 누수 방지를 위한 실링 처리 후 실링 처리 영역에 대한 정확도를 검사하는 새로운 알고리즘을 제안하고, 실제 생산라인에서 동작하는 자동차 엔진 실링검사 시스템을 개발하였다. 검사 방법은 기존에 제안된 영상처리 기법에 기반을 두는 세 가지 검사 방법들이 갖는 설치의 어려움, 높은 계산의 복잡도, 유사 색 기름에 의한 실링검사 성능 저하 등의 여러 가지 단점을 해결하고 저 비용의 시스템을 개발하기 위해 개발되었다. 제안하는 시스템은 기존의 방법에서 적용하지 않은 설링 전후의 차영상을 활용하는 기법을 이용하여 다양한 환경변화에 적응적이며, 고정형 카메라 1대로 검사가 가능한 저 비용 시스템이다. 실제 생산라인에서의 비교 실험을 통해 제안하는 실링검사 방법은 기존의 생산라인에서 적용되고 있는 세 가지 다른 방법들에 비해 높은 실링검사 정확도를 보여 성능의 우수성을 입증하였다.

남성복에 나타난 도시별 컬러 특성에 관한 연구 -2010~2019년 Paris, Milan, New York, Tokyo, London 컬렉션을 중심으로- (A Study on the Color Characteristics of Menswear Depending on Cities -Focused on Paris, Milano, New York, Tokyo, and London Collections from 2010 to 2019-)

  • 이신영;김지연
    • 한국의류학회지
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    • 제48권1호
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    • pp.1-19
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    • 2024
  • The purpose of this study is to examine the color characteristics of menswear in different cities, focusing on the Paris, Milan, New York, Tokyo, and London collections. To answer the research question, the sampled colors were classified according to their hues and tones for frequency analysis and cross-analysis. The results are as follows: 'Red', which appeared frequently in the S/S and F/W seasons, was a core color in menswear design, and regardless of the season, 'blackish tones' were most commonly used. The cross-analysis uncovered a significant difference in the trends of hues in the F/W season between the cities. The colors that were more frequently used among the cities were as follows: 'blue-green' in the Paris collection, 'blue' and 'purple' in the Milan collection, 'purple' and 'purple-blue' in the London collection, 'yellow' in the New York collection, and 'red' and 'green' in the Tokyo collection. This study illustrates the significance of the F/W season's use of colors in menswear design and discovered through analysis that hues, rather than tones, were used to express individuality. These results are expected to be used as basic data for the analysis of menswear design trends.

설색의 분포 및 설색과 임상병리검사 결과의 연관성에 대한 연구 (A Study on the Distribution of Tongue Colors and the Correlation of Tongue Colors with the Clinical Laboratory Parameters)

  • 임제민;남우진;윤용재;이상민;강유경;김원일
    • 대한한방내과학회지
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    • 제34권1호
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    • pp.71-85
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    • 2013
  • Objectives : The aim of this study was to evaluate the distribution of tongue color and the correlation of the tongue colors with clinical laboratory parameters. Methods : Statistical analysis on the frequency of each tongue color and the results of the clinical laboratory parameters in each tongue color group. Results : Tongue colors that appeared most frequently were 702c, 695c, 493c, 694c, 701c, 500c, 7432c, 7431c, 7634c, 7419c in that order. Following them, 494c and 507c were rarer colors, and 501c, 673c, 687c, 693c, 696c, 703c, 7418c were equally rarest colors. Among each tongue color group, a significant difference was found in the result of complete blood cell count (CBC). The level of red blood cell (RBC) of 7432c group was significantly higher than that of the other groups except 694c group. The level of hemoglobin (Hb), hematocrit (Hct) of 7432c group were significantly higher than those of all the other groups. The level of RBC of 7431c group was lowest and significantly different from 694c, 7432c group. In results of the other tests were not significantly different. However the level of total cholesterol was higher in 695c, 694c, 500c group, and the level of triglyceride was higher in 500c, 7431c, 694c group. Those four colors have a low chroma and 7431c, 695c take blue violet color. Conclusions : The tongue color is distributed throughout following colors by order of frequency: 702c, 695c, 493c, 694c, 701c, 500c, 7432c, 7431c, 7634c, 7419c, 708c, 494c, 507c, 501c, 673c, 687c, 693c, 696c, 703c, 7418c. Some parameters of CBC has a significant correlation with some tongue colors. Other results including lipid profile, renal function test, and liver function test had no significant difference according to tongue color. However, the colors which have low chroma or take blue violet color tented to be higher in the levels of total cholesterol and triglyceride.

都市環境色彩改善方案에 관한 硏究 -아파트 表面色을 對象으로- (A Study on the Improvement Suggestions for Color in Urban Environment -with special regard to the surface color of apartment building in Seoul-)

  • 김대수;조정송
    • 한국조경학회지
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    • 제18권3호통권39호
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    • pp.115-135
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    • 1990
  • The purpose of this study was to suggest an improvement proposal for colors in urban environment with special regard to the surface color and their situations of apartment buildings in Seoul. For this goal, 167 cases of different color types of apartment buildings were surveyed. And, the survey was performed in the view of color by areas, by localtion, by builder, by paint year, by built year, by appearance of building, and by surface texture to prove the influencing factors on the surface colors. These collected data analyzed and compared with the existing studies to find out the changing trend of colors. The results are as follows : 1) The use of neutral gray($26.4{\%}$) and warm color(YR, Y, GY; 56.4%) were dominant and the usage trend of higher 'value'(87.4%) and lower 'saturation'(73.0%) was obvious. Especially, the use of PB and P was noticeable. 2) In comparing the existing studies, the changing trend in the surface color pattern was found. That is, neutral gray was used dominantly in 1970's, warm color(YR, Y)in the middle of 1980's. In the end of 1980's, warm color were also used dominantly same as before and GY, PB, P were used noticeably with some rising tendency of higher 'value' and lower 'saturation' was obvious. 3) The results of analysis by localtion shows that the different color groups might exist in Seoul city. Neutral gray and YR were dominant in zone I. Warm colors(YR, Y, GY)were prevailed in zone II, III, IV. In zone V, many colors were evenly used. In zone VI, middle values at warm color were dominant. Progressively, these color groups with further study could be considered in the color management in urban environment possibly. 4) Surface color of apartment buildings were different from their builders. 5) Concerned with the painted year, the use of higher 'value' and lower 'saturation' was increased gradually with the change of times. 6) the analysis by the built year revealed that the 'value' of surface colors on the old buildings was lower than that of the new ones. 7) The 'value' of colors on the surface with texture was higher than that of the surface without texture. 8) In the combination of two colors, the use of 'value' with difference at the same 'hue' was found harmonions in many cases, but the 'saturation' in usage was included in the ambiguity (Moon & Spencer's term). The ambiguity in color harmony should be improved in the near future.

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N세대의 패션가치관에 따른 패션디자인 선호도에 관한 연구 (A Study on the Preference for Fashion Design According to Fashion Value of Net Generation's)

  • 최정선;유태순;박휘숙
    • 대한가정학회지
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    • 제39권8호
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    • pp.107-120
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    • 2001
  • The purpose of this study is to characterize the preference for fashion design according to fashion value of Net generation's. This study has 824 samples of individuals aged from 13 to 24. These sampling data are analyzed by frequency analysis, cross-tabs analysis, T-test, LSD-test, MANOVA and ANOVA utilizing SPSS WIN package. The results of this study are as follows; Net generation's is economic value higher than other fashion value and prefer for ring cuffs, mandarin sleeves, shirt collar, round neckline, tailored pants, blue color, check pattern according to economic value. It is proved that in case of shirt, people prefer ring cuffs, raglan sleeves, shirt collar, for jacket, prefer coat cuffs, mandarin sleeves, tailored collar, for jumper, they prefer single cuffs, set in sleeves, soutien collar and for T-shirt, prefer round neckline. For the design and length of pants, people prefer long tailored pants, color of blue and check designed one. It is proved that women haute a higher degree of preference for sleeve-design, neckline-design and color than men do.1318 teenagers have a higher preference for sleeve-design, neckline-design and color than semi-adult. Above university educational-course Net generation has a higher degree of preference for sleeve-design, neckline-design and color than high school educational-course Net generation does. A class of average monthly income of 2-3 million won has a higher degree of preference for neckline-design and color than other lasses do. And there is no difference at the preference for the fashion design when considered classes of average monthly expenditure on purchasing clothes.

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Analysis on difference of consumer's evaluation on visual features of pork cuts

  • Lee, Yee Eun;Lee, Hyun Jung;Kim, Minsu;Yoon, Ji Won;Ryu, Minkyung;Jo, Cheorun
    • Journal of Animal Science and Technology
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    • 제63권3호
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    • pp.614-625
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    • 2021
  • This study investigates how visual appearance of pork cuts affects consumer preference. Images of pork belly, Boston butt, and loin were chosen on the basis of visible fattiness and used to analyze consumers' perception of the appearance of each pork cut. Meat color and visible fat proportion of images of pork cuts were analyzed by the researchers before conducting the survey. A total of 211 pork eaters evaluated the pork cuts based on appearance (lightness of color, redness, visible fat proportion, and fat distribution), preferability, and overall acceptability. Also, muscle pieces from different pork cuts were taken and the relative area composition of muscle fibers was measured. Based on survey results, correlation between visual traits and preferences of each pork cut was analyzed. The survey results showed that preferred pork appearance varied as per each individual's favorite pork cut. Also, the respondents evaluated visual characteristics and preference for each pork cut differently possibly due to the different visual characteristics of each cut. Correlation analysis between visual traits and preference indicated that overall acceptability of pork cuts was mainly influenced by fat preference, followed by color preference. Fat and color preferences for each pork cut were affected by various visual attributes including redness, lightness of color, visible fat proportion, and fat distribution, but their effects were considerably varied among different pork cuts. Thus, Korean consumers perceived and assessed pork appearance using various quality cues but the evaluation depended on which cut was being observed.

Surface gloss, gloss retention, and color stability of 2 nano-filled universal resin composites

  • Gustavo Fabian Molina;Ricardo Juan Cabral;Ignacio Mazzola;Michael Burrow
    • Restorative Dentistry and Endodontics
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    • 제47권4호
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    • pp.43.1-43.13
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    • 2022
  • Objectives: This study compared the surface gloss (SG), gloss retention (GR), and color stability (CS) of 2 universal resin composites after chemical (CA) and mechanical (MA) aging. Materials and Methods: Twenty disc-shaped samples of G-ænial A'Chord (GC-Europe) and Filtek Universal (3M-ESPE) were polished with sequential abrasive papers. For CA, specimens were stored in 1 mL of 75% ethanol for 15 days at 37℃, and readings (SG, GR, and CS) were obtained at baseline and 5, 10, and 15 days. For MA, specimens were subjected to 10,750 simulated brushing cycles. SG and CS were evaluated after every 3,583 cycles. SG was measured with a glossmeter (geometrical configuration: 60°), and values were expressed in gloss units. Color was measured with a spectrophotometer using the CIE-L*a*b* color system. The Student's t-test, 1-way analysis of variance, and Scheffé test were used for statistical analysis (α = 0.05). Results: G-ænial presented significantly higher SG values than Filtek (p = 0.02), with GR reductions of 5.2% (CA) and 5.3% (MA) for G-ænial and 7.6% (CA) and 7.2% (MA) for Filtek. The aging protocol had no statistically significant effect on SG or GR (p = 0.25) from baseline to the final readings. G-ænial-MA presented the lowest color difference (ΔE = 1.8), and G-ænial-CA and Filtek-CA had the largest changes (ΔE = 8.6 and ΔE = 11.8, respectively). Conclusion: G-ænial presented higher SG values and better CS. Both restorative materials demonstrated acceptable GR and CS. Aging protocols impacted these properties negatively.

COVID-19의 확산으로 인한 국내 소비자의 마스크 사용현황과 만족도 조사 (Survey on Current Mask Use and Satisfaction Among Domestic Consumers During COVID-19)

  • 황나원;이광우
    • 한국의류산업학회지
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    • 제24권4호
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    • pp.399-407
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    • 2022
  • Wearing a mask is essential during the ongoing COVID-19 pandemic. For this study, an online survey was conducted on the actual use of masks among adults in their twenties and older. We used 389 questionnaires for the final analysis, excluding insincere or incomplete questionnaires. We then analyzed the responses using descriptive statistical analysis, frequency analysis, t-test, and ANOVA. More than half of the respondents indicated that they wore a mask for five to ten hours a day, with KF masks being the most frequently used. Participants who most frequently used cloth masks were more likely to consider color, design, and eco-friendliness, while those who used KF masks were more concerned with price and safety. There was no significant difference in purchase satisfaction between mask types, but the purchase intention was higher for KF masks. When purchasing a KF mask, there were significant differences across genders in terms of price and eco-friendliness preferences. There were also significant differences across age groups in price, eco-friendliness, skin irritation, and comfort preferences. Previous studies have shown a significant difference in gender and age in terms of preferred mask colors and designs. However, this survey found no significant difference across these categories. These findings indicate those mask manufacturers should consider safety and eco-friendliness over mask color and design.

천연색소 추출공정 최적화를 위한 반응표면분석법의 적용 (Application of Response Surface Methodology for Optimization of Nature Dye Extraction Process)

  • 이승범;이원재;홍인권
    • 공업화학
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    • 제29권3호
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    • pp.283-288
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    • 2018
  • 환경 친화적이고 질병을 유발시키지 않는 천연색소의 사용이 증가함에 따라 천연색소를 추출하는 다양한 방법이 연구되고 있다. 본 연구에서는 천연염료인 chlorophyll을 포함하고 있는 식물성 원료인 파슬리를 대상으로 천연색소를 추출하였다. 추출용매의 pH와 추출온도를 변수로 추출된 천연염료의 녹색계열의 목표색 코드 #50932C (L = 55.0, a = -40.0, b = 46.0)을 설정하고, 추출된 천연염료의 명도와 색좌표(L, a, b)의 정량적 수치로부터 색도분석을 수행하였다. 반응표면분석법에 의해 예측된 색도분석 중 색좌표 분석은 최적조건인 pH 8.0, 추출온도 $60.9^{\circ}C$에서의 이론적 수치 L (55.0), a (-36.3), b (36.8)를 나타냈고, 실제 실험으로 확인한 결과 L (69.0), a (-35.9), b (31.4)를 나타내, 이론 정확도 73.0%, 실제오차율은 13.8%로 확인되었으며, 색차분석의 ${\Delta}E$의 이론 최적화 값은 pH = 9.2 추출온도 $55.2^{\circ}C$에서 ${\Delta}E$ (12.4)이었고, 실제 실험의 경우 ${\Delta}E$ (13.0)로 나타났다. 색차 분석의 이론정확도 97.5% 및 실제 오차율은 4.5%를 나타냈다. 하지만, 색좌표의 조합이 목표색에 근사한 색을 나타내지 않았고, 단지 산술기하 평균적으로서 목표색에 근사함을 나타냈다. 따라서 천연염료 추출공정에 반응표면분석법을 적용시킬 경우 반응치로 색차 ${\Delta}E$에 비해 색좌표(L, a, b)를 이용하는 것이 색소추출공정의 최적화에 더 우수한 방법인 것으로 사료된다.