• Title/Summary/Keyword: Color matching system

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New color matching system for color reproduction

  • Muraoka, Tetsuya;Nakashima, Noboru
    • 제어로봇시스템학회:학술대회논문집
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    • 1996.10a
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    • pp.211-214
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    • 1996
  • The color matching of the paints are difficults for the three items of the issues, i.e., the variation of surroundings, the form of vane, and the rotative velocities of the vane. A new color matching system improved to the three items of the issues has constructed by the present study.

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Implementation of Intelligent Expert System for Color Measuring/Matching (칼라 매저링/매칭용 지능형 전문가 시스템의 구현)

  • An, Tae-Cheon;Jang, Gyeong-Won;O, Seong-Gwon
    • Journal of Institute of Control, Robotics and Systems
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    • v.8 no.7
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    • pp.589-598
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    • 2002
  • The color measuring/matching expert system is implemented with a new color measuring method that combines intelligent algorithms with image processing techniques. Color measuring part of the proposed system preprocesses the scanned original color input images to eliminate their distorted components by means of the image histogram technique of image pixels, and then extracts RGB(Red, Green, Blue)data among color information from preprocessed color input images. If the extracted RGB color data does not exist on the matching recipe databases, we can measure the colors for the user who want to implement the model that can search the rules for the color mixing information, using the intelligent modeling techniques such as fuzzy inference system and adaptive neuro-fuzzy inference system. Color matching part can easily choose images close to the original color for the user by comparing information of preprocessed color real input images with data-based measuring recipe information of the expert, from the viewpoint of the delta Eformula used in practical process.

Color matching of color CRT and dyed fabric by using experimental method (실험실적 방법에 의한 Color CRT와 염색직물의 칼라 매칭)

  • 김청섭;홍영기;배기서
    • Textile Coloration and Finishing
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    • v.13 no.6
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    • pp.397-404
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    • 2001
  • The accurate representation of the colors of dyed fabric on a color CRT(cathode ray tube) screen is the basis for the automatic process in dyeing industry. In the former study, we had focused on the theoretically color matching method between CIE(International Commission on illumination) and RGB color coordinates, but In this study we tried simulating the colors obtained from fabrics on the color CRT by using experimental method. we obtained the following results. 1. We could simulate all of the color CRT by gamut mapping method, even though some of the KOSCOTE(Korea Standard Color of Textile) colors represented on the color CRT didn't exist in the region of color region 2. We could do conditional matching by CIE system, even though it was hard to do invariant matching the Red, Green, Blue phosphors of the color CRT because of the SPD(Spectral Power Distribution) which had been set up before. 3. We could simulate all the colors obtained from fabrics on the color CRT by matching those two color groups from KOSCOTE fabrics and color CRT using match algorithm and matching programs. 4. If we get over on obstacles by grafting CCM and CCK machines which have been used in educational and industrial areas by matching KOSCOTE with color CRT we will be able to invent color simulation system controled automatically.

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Color matching of color CRT and dyed fabric by using experimental method (실험실적 방법에 의한 Color CRT와 염색직물의 칼라 매칭)

  • Kim, Cheong Seop;Hong, Yeong Gi;Bae, Gi Seo
    • Textile Coloration and Finishing
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    • v.13 no.6
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    • pp.39-39
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    • 2001
  • The accurate representation of the colors of dyed fabric on a color CRT(cathode ray tube) screen is the basis for the automatic process in dyeing industry. In the former study, we had focused on the theoretically color matching method between CIE(International Commission on Illumination) and RGB color coordinates, but In this study we tried simulating the colors obtained from fabrics on the color CRT by using experimental method. we obtained the following results. 1. We could simulate all of the color CRT by gamut mapping method, even though some of the KOSCOTE(Korea Standard Color of Textile) colors represented on the color CRT didn′t exist in the region of color region. 2. We could do conditional matching by CIE system, even though it was hard to do invariant matching the Red, Green, Blue phosphers of the color CRT because of the SPD(Spectral Power Distribution) which had been set up before. 3. We could simulate all the colors obtained from fabrics on the color CRT by matching those two color groups from KOSCOTE fabrics and color CRT using match algorithm and matching programs. 4. If we get over on obstacles by grafting CCM and CCK machines which have been used in educational and industrial areas by matching KOSCOTE with color CRT we will be able to invent color simulation system controled automatically.

Application of Deep Black Color on Polyester Fabrics by Color Matching (컬러 매칭에 의한 폴리에스테르 직물의 심색효과)

  • Choi, Youn-I;Bae, Kie-Seo;Kim, Yong-Duck;Park, Eun-Hee;Hong, Young-Ki
    • Textile Coloration and Finishing
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    • v.22 no.1
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    • pp.28-36
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    • 2010
  • The deep black coloration of polyester fabrics was obtained by the physical properties of color and color mixing system. In this experiment, we have measured the absorbance and the reflectance of various disperse dyes for accomplishing the lowest lightness value and uniform reflectance, and new matching algorithm and computer color matching was made. The matching used both isomeric and metameric matching. The color matching of deep black color represented low lightness. Though actual reflectance of dyed polyester fabrics using these matching results was as high as theoretical one, low lightness value($L^*$) and uniform appearance were achieved.

In vitro evaluation of color and translucency reproduction of maxillofacial prostheses using a computerized system

  • Nemli, Secil Karakoca;Gungor, Merve Bankoglu;Bagkur, Meral;Bal, Bilge Turhan;Arici, Yeliz Kasko
    • The Journal of Advanced Prosthodontics
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    • v.10 no.6
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    • pp.422-429
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    • 2018
  • PURPOSE. Accurate color matching of maxillofacial prostheses to skin is important for esthetics. A computerized color matching system specific to human skin has recently been developed. The purpose of this study was to evaluate the accuracy in color and translucency matching of the computerized color matching system across different skin colors. MATERIALS AND METHODS. The silicone was colored to simulate 28 different skin colors (n=5) to serve as "target skin colors". Using a spectrocolorometer (e-skin), color codes were determined for "replicate skin color" fabrication. CIELAB Delta-E between target skin color-replicate skin color pairs and translucency parameter were calculated. CIELAB Delta-E values were compared with one-way ANOVA and Tukey multiple-comparison. The agreement between $L^*$, $a^*$, $b^*$ and translucency parameter of target skin colors and replicate skin color were calculated by a two-way mixed average measures intraclass correlation coefficient. Translucency parameter of target skin color- replicate skin color pairs were compared with Paired t-test (${\alpha}=.05$). RESULTS. The mean CIELAB Delta-E value was 3.83 and significant differences were found among colors. The intraclass correlation coefficient showed excellent reliability for $L^*$, $a^*$, $b^*$ and good reliability for translucency parameter (P<.001). The mean translucency parameter of replicate skin colors was significantly higher than that of translucency parameter. CONCLUSION. The computerized color matching system specific to human skin was found to be reliable in terms of color and translucency between target skin colors and replicate skin color.

Color Matching by ICC Profile for Printer Mini-Driver (프린터 미니드라이버에서의 ICC 프로파일 기반 칼라매칭)

  • 정주영;김춘우
    • Proceedings of the IEEK Conference
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    • 2000.11d
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    • pp.259-262
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    • 2000
  • One of the major factors determining the printing quality of a color printer is the color matching that is performed inside the printer driver In this paper, the mini driver for the color printer is built using the Microsoft 98DDK. Also, the ICC profile proposed as the standard for the color management system is generated. The color matching capability of the mini driver with the ICC profile is examined and compared with that of the commercial printer driver.

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The Manufacture of Color Filter for Liquid Crystal Display by Screen Printing Method (Screen인쇄법에 의한 Liquid Crystal Display용 Color Filter 제작)

  • 손세모
    • Journal of the Korean Graphic Arts Communication Society
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    • v.13 no.1
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    • pp.39-55
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    • 1995
  • There has been an enormous emergence of imaging systems dedicated to hardcopy and softcopy color-appearance comparisons. Pre-press industry use the CRT as a soft proofing device to preview and aid with color corrections and changes before producing the final printed image. Color DTP system is required an accurate image-matching between CRT-image and printed image. In other to develop the color DTP,CRT calibration and CRT color transform to CIE color system are necessary. In this paper, we described a method CRT color transform to CIELab color system using RGB image raw data. Experimental results show that described method is useful valid of color image matching.

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A Study on the Color Preferences of Genders of Color Image Types - From the Perspectives of Color Application of the Fashion Shop Facade - (색채 이미지 유형에 따른 성별 색채 선호도에 관한 연구 - 패션샵 파사드의 색채 적용 관점에서 -)

  • Yeo, Mi;Lee, Chang-No
    • Korean Institute of Interior Design Journal
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    • v.21 no.1
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    • pp.136-147
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    • 2012
  • This study researched about gender color preference as basic data for color application of fashion shop Facade. A HUE TONE system from V(vivid) to DK(dark) was used based on 10 colors of the IRI-120 color chart, color preference according to gender was investigated through a survey on males and females of over teenage years, and it was analyzed and presented as a color matching chart. And it was suggested as a color guideline through comprehensive analysis. Few definitions can be given through the results of this study. First, the preference degree according to gender was similar but different senses were shown visually even though the same adjective expressive vocabulary of a color image was suggested. This means there is an unchanging basic conservative disposition that males and females do not have and therefore they infer different ideas according to various environments and factors. Second, females showed more sensitive response to colors than males in the gender color preference result, which confirmed the deviation of each color group that is characteristically preferred according to a category. Third, high preferred color matches according to gender were shown for each vocabulary in various senses such as similar color matching, complementary color matching, separation color matching, and accent color matching. A universal empirical theory by general sensibility was obtained as the purpose of this study. This study suggested securement of a color design planning as basic data and the extent of usability by quantitatively showing the order of priority through the survey and analysis. Thus, the results of this study will be a great help as basic data for invigoration and commercialization of a color planning for designers and users.

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Fuzzy Control of Computer Automatic System with Color Matching and Dispensing Functions (칼라 맞춤 및 분배 기능을 가진 컴퓨터 자동화 시스템의 퍼지 제어)

  • 한일석;류상문;임태우;안태천
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2000.05a
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    • pp.146-149
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    • 2000
  • In this paper, Computer Colour Matching and Kitchen System (CCMKS) is developed on the basis of delphi package and one-chip processor with fuzzy-PID control. CCMKS will be widely used in the colour dyeing industry as an integrated colour matching and dispensing system which have more advantages than the conventional matching or dispensing system, when controlling the real dyeing processes. Delphi is utilized in making database and search/matching routes. The developed matching function reduces the search and matching time to about one third. One-chip processor is designed and manufactured for the distributed control of three-phase induction motors. Fuzzy-PID control is applied to the speed control of three-phase induction motors for a very precise weight of colour at CCMKS. The developed kitchen function decreases the dispensing time to about one twentieth. The experimental results show CCMKS has more excellent search time, more precise weight and much high fidelity than conventional colour matching or dispensing system, in the performance.

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