• Title/Summary/Keyword: National color

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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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Innate Color Preference of Zebrafish and Its Use in Behavioral Analyses

  • Park, Jong-Su;Ryu, Jae-Ho;Choi, Tae-Ik;Bae, Young-Ki;Lee, Suman;Kang, Hae Jin;Kim, Cheol-Hee
    • Molecules and Cells
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    • v.39 no.10
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    • pp.750-755
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    • 2016
  • Although innate color preference of motile organisms may provide clues to behavioral biases, it has remained a longstanding question. In this study, we investigated innate color preference of zebrafish larvae. A cross maze with different color sleeves around each arm was used for the color preference test (R; red, G; green, B; blue, Y; yellow). The findings showed that 5 dpf zebrafish larvae preferred blue over other colors (B > R > G > Y). To study innate color recognition further, tyrosinase mutants were generated using CRISPR/Cas9 system. As a model for oculocutaneous albinism (OCA) and color vision impairment, tyrosinase mutants demonstrated diminished color sensation, indicated mainly by hypopigmentation of the retinal pigment epithelium (RPE). Due to its relative simplicity and ease, color preference screening using zebrafish larvae is suitable for high-throughput screening applications. This system may potentially be applied to the analysis of drug effects on larval behavior or the detection of sensory deficits in neurological disorder models, such as autism-related disorders, using mutant larvae generated by the CRISPR/Cas9 technique.

Selective Wetting Technique for Fabrication of Color Filters

  • Hong, Jong-Ho;Li, Hongmei;Na, Yu-Jin;Lee, Sin-Doo
    • 한국정보디스플레이학회:학술대회논문집
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    • 2009.10a
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    • pp.1386-1388
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    • 2009
  • We report on a new method of fabricating color filters based on selective wetting of color inks. The reversible formation of a hydrophobic layer provides sequential generation and protection of successive color filter patterns through a simple coating process. The transmittance and geometrical properties of the fabricated color filter were described.

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Morphological Characterization of Fagopyrum esculentum Germplasm for Rutin and Quercetin Contents

  • Rauf, Muhammad;Choi, Yu Mi;Lee, Sukyeung;Hyun, Do Yoon;Lee, Myung-Chul;Oh, Sejong;Yoon, Hyemyeong
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2019.04a
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    • pp.52-52
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    • 2019
  • Buckwheat is well-known crop for containing a high contents of flavonoids that are effective in vascular disease. The current study was performed to estimate the influence of morphological characterization of Fagopyrum esculentum (ES) germplasm for seed's two major flavonoids contents: rutin and quercetin. We found that the red stem color, pale green leaf color, arrowhead leaf shape, white flower color, pale brown seed coat color, and egg-shaped seed were significantly associated with 77%, 56.7%, 83.7%, 98.7%, 70.8% and 74.5% germplasm, respectively. Overall, the rutin contents of ES germplasm ranged from 0.30 to 47.86 mg/100g dry weight (DW) and the quercetin contents ranged from 0 to 1.22 mg/100g DW. The rutin contents of germplasm possessing red stem color, pale green leaf color, arrowhead leaves, white flower color, pale brown seed coat color and egg-shaped seed ranged from 7.22 to 47.86 mg/100g DW. However, the quercetin contents of germplasm with red stem color and pale brown seed coat color ranged from 0 to 1.15 mg/100g DW, with pale green leaves ranged from 0 to 0.96 mg/100g, with arrowhead leaves and white flower ranged from 0 to 1.22 mg/100g and with egg-shaped seed ranged from 0.32 to 1.22 mg/100g DW. In PCA analysis, the first three principal components (PCs) showed Eigen value more than 1 and accounted for 51.70% of variation. For both higher contents of rutin and quercetin, the morphological evaluation in ES shows a tendency of red stem color, arrowhead leaves, pale green leaf color, white flower color, pale brown seed coat color and egg-shaped seed. From this information, we can assume the rutin and quercetin contents by the morphological characteristics of the germplasm. And It could be useful in improving the rutin and quercetin contents and selecting proper resources for cultivation in existing buckwheat cultivars.

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Color Temperature Conversion of Uncalibrated Video Signal Based on Color Compensation in POP-TV

  • Do, Hyun-Chul;Chien, Sung-Il;Tae, Heung-Sik
    • 한국정보디스플레이학회:학술대회논문집
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    • 2003.07a
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    • pp.718-721
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    • 2003
  • It is often desirable that manufacturers and users can convert the reference white of display into the preferred color temperature by controlling the color temperature that is one of representative color characteristics of a light source. Accordingly, this paper proposes an efficient method of color compensation for displaying the uncalibrated video signal in PDP-TV and is also shown to be successfully coupled with flexible color temperature conversion based on the signal processing technique.

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A full-color anaglyph three-dimensional display system using active color filter glasses

  • Kim, Jong-Hyun;Kim, Young-Hoon;Hong, Ji-Soo;Park, Gil-Bae;Hong, Kee-Hoon;Min, Sung-Wook;Lee, Byoung-Ho
    • Journal of Information Display
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    • v.12 no.1
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    • pp.37-41
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    • 2011
  • Presented herein is a novel stereoscopic three-dimensional (3D) display system with active color filter glasses. This system provides full-color 3D images by applying the time-multiplexing technique on the original anaglyph method. By switching between the opposite anaglyph statuses, a full-color anaglyph is presented. A liquid crystal panel from a 3D monitor serves as an active color filter operating at 120 Hz. A display panel and a color filter are connected to one graphic card as a dual-link system, for synchronization. To test the quality of this system, a left/right-eye image separation test and an experiment with stereoscopic images were carried out. Although there was some crosstalk and blur, the system, as expected, provided full-color 3D display. This system overcomes a monochromatic 3D image, which is the major weakness of the original anaglyph system.

A Study on Reproduction of Color Image using Gamma Variation on Display Colorimetric Characterization (디스플레이 특성화과정에서 감마변화를 이용한 컬러이미지 재현에 관한 연구)

  • Lee, Sung-Chul;Cho, Ga-Ram;Koo, Chul-Whoi
    • Journal of the Korean Graphic Arts Communication Society
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    • v.23 no.1
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    • pp.1-11
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    • 2005
  • The propose of this study investigated the reproduction of color image on a CRT monitor, for a range of different values of monitor gamma. We have used the GOG(gain-offset-gamma) model of the behavior of CRT. Color difference have been computed in a color space, based on the CIELAB color appearance model. The 133 patch defined linearly color sample and 24 patch defined printing color target were used, and were subjected to the influence of nine different gamma value. The result shows that netural color is increasing the decrease range of luminance black color than white color. These results concern correct in the context display of color reproduction.

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Green Color for Color Planning in Apparel Fashion Design (녹색을 중심으로한 복식의 색채계획)

  • 김영인
    • Journal of the Korean Society of Costume
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    • v.31
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    • pp.33-46
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    • 1997
  • The purpose of this study was to investigate color planning method for apparel fashion de-sign and to present the method of analysis of green color. Theoretical backgrouds of color planning for fashion design were scrutinized by documentary studies Fashion color planning has been developed through 4 steps: analysis of color environment analysis of color psy-chology presentation of coordination appli-cation to fashion design. Green color environment consisted of mar-ket informations and forecast informations The former were collected by color samples which were used for women's apparel of national brands from '93 spring/summer to '96 spring/summer and the latter were analyzed by fashion forecasting books. Green color psy-chology was investigated through the docu-mentary studiess. image of green color and these expressed in fashion were revealed through documentary studies. The results of this study were as follow: 1. 117 green color samples were collected from domestic womens brand. The character-istic of samples were the yellow green in hue and pale light bright in tone. forecast infor-mation was collected through fashion forecasting books from abroad and adaption of forecast information was investigated by mak-ing a comparison forecasting information be-tween market information. In consequence national market colors reflected the forecast information in concurrence with the character-istic colors of national women's apparel. 2. Affirmative images of green were nature youth health and abundance and negative images were extraordinary misfortune wind-fall. in these images nature youth and health were mostly used in fashion.

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A Comparative Study of Color Emotion and Preference of Koreans and Chinese for Two-Color Combination by Naturally Dyed Fabrics with Persimmon and Indigo (감과 쪽의 천연염색 배색직물의 색채감성과 색채선호도에 대한 한국인과 중국인의 비교 연구)

  • Yi, Eunjou;Lee, Sang Hee;Choi, Jongmyoung
    • Journal of the Korean Society of Clothing and Textiles
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    • v.46 no.1
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    • pp.33-48
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    • 2022
  • This study was performed to compare the color emotion and preference of Koreans and Chinese for a two-color combination by dyeing cotton fabric with persimmon and indigo and to establish prediction models of color preference. Nine specimens prepared by combining two different colored fabrics (persimmon and indigo) were evaluated for color emotion and preference by Korean and Chinese groups of female college students. Koreans described most specimens as natural and traditional, whereas the Chinese described them as more pleasant and elegant as well as warmer and lighter than Koreans did. The contrast tone was the most preferred combination by both groups, whereas it was perceived as more modern and less warm by Koreans. Relationships between physical color variables and color emotions were quantified; these relationships were applied to establish a prediction model of color preference with tone combination types for each group. These results could help in making the design of fashion textiles more preference- and emotion-oriented for Korean and Chinese consumers.

The Color Characteristics and Image of the Olympic Host Country's Uniforms (올림픽 개최국가 유니폼의 색채 특성과 이미지)

  • Lim, Songmi;Lee, Misuk
    • Journal of Fashion Business
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    • v.20 no.1
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    • pp.115-126
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    • 2016
  • Today the Olympics are considered representative of a culture that symbolizes the country's image and cultural specificity, and important colors act as effective means of Olympics marketing. Each color is unique to the natural environment and cultural heritage is one of the languages of each country, region or community and it symbolizes. Hence, the purpose of this study was to examine the color and to view the color image displayed on Olympic uniforms based on the national color sensibility. After analyzing the color image of the Olympic athletes, including six kinds of uniforms and operational personnel, a cool casual/casual image is created more frequently, followed by a modern, gorgeous, dynamic, elegant/chic, dandy/classic image. The uniform color is consistent with the national image and the theme of the Pyeongchang Olympics is to enhance the country's competitiveness by widely promoting the national image of Korea around the world. Furthermore, it is necessary to provide the empirical basis for creating the 2018 Pyeongchang Winter Olympic uniforms.