• Title/Summary/Keyword: Color paper

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Preferred Skin Color Reproduction for Color Image Quality Enhancement

  • Kim, Do-Hun;Chien, Sung-Il;Tae, Heung-Sik
    • 한국정보디스플레이학회:학술대회논문집
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    • 2004.08a
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    • pp.432-435
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    • 2004
  • The skin color of a human being is the important memory color influencing image quality for color display. Therefore, in this paper, the preferred skin color axis is defined on HSV color space by analyzing some previous research, and the preferred skin color reproduction algorithm is performed by rotating the center axis of skin distribution of an input image to the preferred skin color axis.

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Color imaging and human color vision

  • Yaguchi, Hirohisa
    • 한국정보디스플레이학회:학술대회논문집
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    • 2009.10a
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    • pp.1154-1157
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    • 2009
  • This template provides you with an example of the The CIE Color Appearance Model (CIECAM02) is now widely used for various digital imaging systems including digital displays. The CIECAM02 were intended to be an empirical model, however, some aspects of the model are closely related to the human color vision mechanism. This paper will discuss the relationship between human color vision and color imaging.

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Studies on Relations between High Solid Coating and Quality Changes(I) - Effects of major process factors on coating color rheology - (고농도 도공과 품질변화의 상관성 연구(1보) -고농도 도공과 유변학적 인자에 대한 연구-)

  • Lee, Yong-Kyu;Yoo, Sung-Jong;Cho, Byoung-Uk;Kim, Yong-Sik
    • Journal of Korea Technical Association of The Pulp and Paper Industry
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    • v.39 no.3
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    • pp.41-51
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    • 2007
  • In order to elucidate the effects of types and mixing ratio of GCC and clay, coating color concentration, and types of rheology modifiers on high solid coating, various coating colors were prepared, high shear viscosity was measured and then rheology of the coating colors was analyzed. Coating color concentration was able to be increased from 67% to 69% and from 68% to 71% with a higher GCC ratio and with the rheology modifier instead of the synthetic thickener, keeping similar or improved coating color rheology and coated paper quality. The rheological properties of high solid coating color were superior with smaller average particle sizes of clay and latex, wider size distribution of GCC and higher added amount of latex.

A Study on the Color Reproduction for Offset Printing using Ecological Ink in the Domestic Printing Environment (국내 인쇄 환경에서 친환경 잉크를 이용한 오프셋 인쇄의 색재현에 관한 연구)

  • Moon, Sung-Hwan;Kim, Sung-Su;Koo, Chul-Whoi;Yoo, Keun-Ryong
    • Journal of the Korean Graphic Arts Communication Society
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    • v.28 no.2
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    • pp.69-85
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    • 2010
  • Currently, environmental contaminants that can cause Aromatic types of hydrocarbons, less than 1% made of Aromatic Free kind of used products, soybean oil products with linseed oil with the products, rice products using a wide range of environmentally ecological ink since 2000 is released quickly. All materials used in printed material, if the green is the best way to print the composite materials in industrial applications, because each process on the print quality and productivity, there can be many differences in this experiment because it accounts for a large proportion in the print general ink in the ink section and the International color standards(ISO2846-1:2006) certified ecological ink were compared. Therefore, in this paper has the ink released from the same company, each common general ink and ecological ink in the same condition which results were focused on whether the emerging international color standard(ISO 2846-1:2006) recognized for environmentally ecological ink printed color reproduction of the actual offset(color reproduction) how conformity to ISO 12647-2 standard color on the basis of the offset would check Color Reproduction. Based on the results of the experiments of this study, given the ecological ink coated paper, uncoated paper both color difference and the gamut of the ISO 12647-2 standard is suitable for ecological ink, the ink's color gamut reproduction, even more than existing international standards, there is no confirmed that the correct color reproduction possible. Using environmentally ecological ink industries is expected to respond to environmental policy.

Manufacture Research of Gradual Standard Color Chart for the Capacity of Reinforcement of Practical Color Coordinate Education (색채활용교육의 역량강화를 위한 단계별 표준색표집의 제작 연구)

  • Lee, Kyung-Hee
    • Fashion & Textile Research Journal
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    • v.13 no.3
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    • pp.332-345
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    • 2011
  • This research designed usable standard color chart which was planned by hue and tone color system. This research studied 5 types standard color chart by designed tone map and preceding research. "Basic Color Chart 14 Colors" was planned for kindergarteners. "Primary Color Chart 63 Colors" was planned for schoolboys. "Middle Grade Color Chart 114 Colors" was planned for junior high school students. "High Grade Color Chart 152 Colors" was planned for senior high school students. "Hue and Tone 205 Colors" was planned for university students and general publics. These 5 types standard color chart were produced the trial color coordinate card and attached the Munsell notation which could reappear the spare color paper when needed. These 5 types standard color chart would be offered the data base for efficient color coordinate education as school age.

Manufacturing of Multi-Layer Coated Paper with Eco-Friendly BioBinder for Cost Saving(2) - Application for Top-Coating Layer - (친환경 원가 절감형 바이오바인더를 이용한 다층 도공지 제조(제2보) - Top-coating층에 대한 적용 -)

  • An, Guk Heon;Choi, Ki Soon;Won, Jong Myoung;Lee, Yong Kyu
    • Journal of Korea Technical Association of The Pulp and Paper Industry
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    • v.47 no.1
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    • pp.10-16
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    • 2015
  • Bio-binder is well known as a promising alternative binder for SB latex because it is eco-friendly and inexpensive, compared to synthetic latex. SB latex in top coating color was substituted with starch-based bio-binder to investigate its effects on the coating color and its coated paper properties. Bio-binder contributed to the increase of coating color viscosity, and the improvement of water retention. Most optical properties except opacity were deteriorated by the increase of bio-binder dosage. It was also found that the increase of bio-binder substitution in top coating color brought about the increase of roughness, and decrease of coated paper gloss, print gloss, dry and wet pick strength. However the stiffness and the ink set-off of the bio-binder coated paper were improved. Overall, mostly adverse effects of bio-binder on the properties of coating color and its paper were observed. Therefore, it is not recommended to use bio-binder as top coating color.

High Quality Image Interpolation for Color Filter Arrays (Color Filter Array에 대한 고품질 영상보간기법)

  • 이봉준;이철희
    • Proceedings of the IEEK Conference
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    • 2000.06d
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    • pp.171-173
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    • 2000
  • In this paper, we present a new interpolation method for the color filter away(CFA). In order to capture color images. typical input devices use a single chip CCD imaging sensor with color filter array. As a result, the single chip CCD does not provide sufficient color resolutions since it arranges different color filters sequentially on a single CCD, resulting in aliasing noise and loss of resolution. In order to reconstruct high quality color images, we propose to use the interpolation algorithm using high order B-splines. Experiments show promising results.

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A Fuzzy logic-based Model in Image Processing

  • Moghani, Ali
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.943-946
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    • 2008
  • Many works have been done to enable computer, as brain of robot, to learn color categorization, most of them rely on modeling of human color perception and mathematical complexities. This paper aims at developing the innate ability of the computer to learn the human-like color categorization.

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Skin color reappearance for color enhancement in TV (TV의 색 향상을 위한 살색 재현)

  • 이응주;이광춘;하영호
    • Journal of the Korean Institute of Telematics and Electronics S
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    • v.34S no.6
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    • pp.38-45
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    • 1997
  • Skin color reappearance problem in color processing system is necessary to transform a specific color sand improve color reappearance quality as a reference color. The skin color has been situated as an important memory color not only in our lives but also in color application systems such as TV. Thus, skin color reappearance problem is more important than other color processing problem. In this paper, we propose a skin color reappearance algorithm for color enhancement in TV which use phase detector to detect the skin colors at real-time from 3.58 MHz color burst signal and color signal, comparators to discriminate the types of skin color, and micom to reprodece standard skin colors for races.

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A Development of a Portable Color Scanner Using Photo Sensors for Full-Color LED Illumination Control (LED 조명 제어를 위한 컬러센서 기반 포터블 스캐너 개발)

  • Chun, Sung-Yong;Lee, Chan-Su
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.25 no.11
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    • pp.14-25
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    • 2011
  • Full-Color LED lighting system requires efficient control of the lighting color in order to easily achieve various color effects. In this paper, we present not only a portable color scanner using color sensors which can control lighting color directly from detected color but also methods to convert detected color to a complementary color, similar colors and so on. In addition, we propose a compensation method for measured sensor color to reduce measurement errors more than 50[%] in detected color. The developed color scanner is applied to control full-color LED ceiling light for emotional lighting.