• Title/Summary/Keyword: contrast color

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Design of high speed data processing controller for the full color LED display board system (풀칼라 LED 전광판용 고속 데이터처리 제어장치 설계)

  • Ha, Young-Jae;Jin, Byung-Yun;Kim, Sun-Hyung
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.14 no.2
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    • pp.462-468
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    • 2010
  • In this paper, the new efficient drive control technology based on the conventional full-color electric display board image processing method is proposed. This technology can be applied to high-fidelity large size panel TV and LCD Display, and makes high-fidelity-display-drive control possible in those. The proposed drive control technology can strengthen the image processing function of the conventional technology. Also, the automatic or manual adjustment of contrast, bright, tint, color, gamma revision, etc. can help to achieve high-fidelity vision. This technology can be adopted with lower price.

Reduction of Color Distortion by Estimating Dominant Chromaticity in Multi-Scaled Retinex (다중 Retinex 알고리즘에서 주색도 추정을 이용한 색상 왜곡 보정)

  • Jang, In-Su;Park, Kee-Hyon;Ha, Yeong-Ho
    • Journal of the Institute of Electronics Engineers of Korea SP
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    • v.46 no.3
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    • pp.52-59
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    • 2009
  • In general, methods based on histogram or a correction of gamma curve are usually utilized to enhance the contrast of captured image in the dark scene. These methods are efficient to enhance the contrast globally, however, they locally induced the low quality of image. Recently, to resolve the problem, the multi-scaled refiner algorithm improving the contrast with locally averaged lightness is proposed. However, estimating the locally averaged lightness, if there is the object with a high saturated color, the color distortion might be induced by the color of object. Thus, in this paper, the dominant chromaticity of image is estimated to correct the locally averaged lightness in multi-scaled retinex algorithm. Because the average chromaticity of image includes the chromaticity of illumination, the dominant chromaticity is estimated with dividing the average chromaticity of image by the estimated chromaticity of illumination from highlight region. In addition, to improve the lower chroma by multi-scaled retinex algorithm generally, the chroma was compensated preserving the hue in the CIELAB color space.

Music Visualization Expression in Modern Fashion - Focus on the application of Mondrian's paintings to Alexander McQueen's 2014 Spring Ready-to-wear Collection -

  • Kim, Sung-Soo;Kim, Young-Sam
    • Fashion & Textile Research Journal
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    • v.16 no.1
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    • pp.55-65
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    • 2014
  • This study analyzes music visualization characteristics in modern fashion based on Wassily Kandinsky's music visualization theory. Alexander McQueen's 2014 Spring Ready-to-wear Collection (as inspired by Mondrian's paintings) was selected as the research subject. First, an analysis of Mondrian's paintings based on Wassily Kandinsky's theory shows that music visualization characteristics can be categorized into spatiality, mobility, and duality. Second, McQueen applied Mondrian's paintings to the overall design, structured the model's shape in the painting, or created patterns using colors and lines that introduced them in clothes; symbolic forms were also introduced as part of or a decorative factor of the clothes. Third, spatiality refers to the creation of a feeling of space through emptiness or fill using lines, colors, and shape. Musical atmosphere such as dissonance were expressed in clothing through the application of color contrast, lines and silhouette dynamics, and symbolic format and patterns by Mondrian. Fourth, mobility generally refers to motion caused by a certain stimulus. Mondrian expressed vibration, internal resonance, sound level in music that emphasized color irregularity, primary color contrast, and rough brush touches as well as free and organic patterns. McQueen expressed this with primary color contrast using different materials, rough touch based on texture, and pattern repetition through transformation. Fifth, duality generally refers to the artistic effect caused by overlap. Mondrian created a resemblance of dissonance and music through line and color as expressed through the duality of clothing design components based on the artistic sense of the designer.

A Study on the Color Coordination of Eye-shadow Makeup - Focused on Works of Kendra Stanton in Makeup of 'Daytime to Night', 'Special Occasion', 'Holiday Accents', 'Seasonal Looks' and 'Animated Characters' - (아이섀도우 메이크업(Eye-shadow Makeup)의 컬러 배색에 관한 연구 - 켄드라 스탠튼(Kendra Stanton)의 "내추럴(Daytime to Night)", "스페셜(Special Occasion)", "할러데이(Holiday Accents)", "시즌(Seasonal Looks)", "캐릭터(Animated Characters)" 메이크업 경우를 중심으로 -)

  • Ji, Hyun Suk;Kim, Eun Sil
    • Fashion & Textile Research Journal
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    • v.18 no.4
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    • pp.509-519
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    • 2016
  • The purpose of this study is to present important guidelines for effective eye-shadow color coordination according to T.P.O. such as 'Day time to Night', 'Special Occasions', 'Holiday Accents', 'Seasonal Looks' and 'Animated Characters'. The method is as follows; This study examined the 100 works of her published in the?500 EYE MAKEUP DESIGNS?. For this research analysis, three specialists selected a total of 100 photo-works through 3 rounds of evaluation. This study analysis was conducted based on the colors and tones of eye-shadows identified under Munsell's basic color chart. The study findings are as follows; First, 'Day time to Night' was found to have similarity coloration most frequently, presenting a more stable look in the Natural makeup. Second, 'Special Occasions' showed similarity, accent, and complex colorations mainly. Third, 'Holiday Accents' showed diverse types of colorations such as accent, complex, similarity and contrast. Forth, 'Seasonal Looks' was found to use a variety of colorations including similarity, contrast, accent, gradation and complex. Fifth, 'Animated Characters' showed contrast coloration the most for dramatic effect along with accent and complex colorations to give a unique and symbolic look. The color scheme database(DB) obtained in this study will be present important guidelines for future in eye-shadow makeup design.

A Novel Method to Evaluate the Emotional Image Quality with CIECAM02

  • Chong, Jong-Ho;Lee, Seung-Bae;Park, Hye-Ryoung;Kim, Sang-Ho;Bae, Jae-Woo;Kim, Hye-Dong;Kim, Hun-Soo
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.47-50
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    • 2008
  • We propose a new method evaluating the image quality of display devices using the CIECAM02 that is the recently developed CIE color appearance model and provides an extension of the previously recommended CIE color spaces. We develop the evaluation method that quantifies the color reproduction capability, emotional gray scale (gradation), and visual perception contrast (perceptual contrast range) based on the gamut in this model.

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Evaluation of color reproduction characteristics of CRT display system (CRT 디스플레이 시스템의 색재현성 평가)

  • 김홍석;박승옥;백정기
    • Korean Journal of Optics and Photonics
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    • v.10 no.3
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    • pp.259-264
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    • 1999
  • The relationship is derived for color CRT display system between the spectral radian existence emitted and digital inputs. The amount of spectral radiant existence depends on the characteristics of the video board, electric circuits, and CRT as well as digital inputs. Especially, the function of this relationship changes as the amplifier gain and offset voltage of electric circuits. In this study, we set the test display system on the optimum state which satisfies gun independence characteristics by using the contrast and the brightness controls of display. Temporal stability, special uniformity, and color distinction of CRT display system are evaluated at the optimum state. Also contrasts in dark room and illuminated room are compared.

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Luminous Characteristics of Bridge's Nightscape across the Han River (조명물리량 측면에서 본 교량의 야간경관 평가)

  • Hwang, Tae-Yon;Kim, Jeong-Tai
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.20 no.1
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    • pp.7-18
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    • 2006
  • This study aims to analyze the illumination effects of bridges across the Han River. For the purpose, 8 bridges were selected. Field survey and measurements were performed, and the physical values such as luminance, color temperature and chromaticity were measured by Radiant Imaging Prometric 1400 Color. The results of the study are as follows; (1) Metal halide lamp, sodium lamp and LED(Light Emitting Diode) of various colors, are used in illuminating the bridges and create color contrasts and color changing by color filters. (2) Luminance contrast of the illuminated bridges affects 'modeling' and 'spare sense' of bridges, and it might improve people's preference and impression. (3) Color temperature of the illuminated bridges is influenced by 'color of bridge', 'material of bridge' and, 'color temperature and color of light sources'. (4) 'Structure of bridges' and 'luminaires' influence on the physical feature of the bridges. Especially, illumination of the bridges shows resemblant patterns by 'structure of bridges'.

A Study on Modern Korean Menu Food Styling through Web Image Analysis - Focusing on the Michelin Guide Seoul 2020 Star Restaurant - (웹이미지 분석을 통한 모던 한식 메뉴 푸드스타일링 연구 - 미쉐린가이드 서울 2020 스타레스토랑을 중심으로 -)

  • Ryu, Moohee
    • Journal of the Korean Society of Food Culture
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    • v.35 no.6
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    • pp.538-552
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    • 2020
  • Tis study was an attempt to systematically analyze the characteristics of modern Korean food styling using the menu image photos of the Michelin Guide Seoul 2020 restaurants. The first sampling was conducted on the 27th of March 2020 and the second on the 27th of October 2020. A collection of images on the web and 442 photographic cases obtained by a search through theoretical background literature and research papers were studied by a qualitative analysis method. First, the food styling contents were analyzed and based on that, the food styling characteristics of the menus of 11 restaurants in Korea including the contemporary restaurants were considered. The analysis revealed several aspects of Korean food styling. First, food styling appeared to have three major characteristics: color, shape, and container styling. Color styling was further subdivided into single color/similar color, color contrast, source type, and accent color type. The shape/formative styling was classified into figure type, shape type, accessory type, and garnish type, and container styling was categorized as container color type, container shape type, and container material type. Second, the modern Korean food color styling characteristics of Michelin restaurants were categorized in the order of monochromatic/similar type, sauce type, accent color type, and color contrast. In the formative styling category, it was categorized in the order of shape type, small piece type, garnish/garnish type, and figure type. In container styling, container material type and formative type accounted for the major portion of the category. The food styling characteristics of the modern Korean menu were systematized and image examples were presented visually. Please use it as food styling educational material or personal food styling skill.

A new combined brightness/contrast control of a color monitor for improvement of user convenience (사용자 편의성을 높인 컬러모니터의 brightness/contrast 통합조절)

  • 박승옥;김홍석;백정기
    • Science of Emotion and Sensibility
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    • v.2 no.1
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    • pp.113-119
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    • 1999
  • brightness와 contrast의 적절한 조절은 자연색 재현 및 다양한 분위기 창출이 가능하여 디스플레이의 질을 향상시킬 수 있다. 디스플레이 사용자들은 OSD(On-Screen-Display)를 통해 brightness와 contrast상태를 임의로 조절할 수 있으나, 조절에 따른 영상의 변화를 예측하지 못하므로 이를 잘 활용하지 못하고 있다. 본 연구에서는 brightness와 contrast가 각각 영상에 미치는 영향을 분석하여 자연색 재현이 가능한 최적상태와 4가지의 감성적 분위기를 나타낼 수 있는 조절상태를 정의하였다. 5가지 조절상태를 OSD에 제시함으로써 사용자가 쉽게 영상의 이미지에 적합한 brightness와 contrast상태로 조절할 수 있어 제품에 대한 만족감을 높일 수 있는 brightness/contrast 통함 조절방법을 제안하였다.

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A Study of the Differing Images of Wearers according to Differences of Chroma Contrast Coloration and Stripe Patterns (채도 콘트라스트 배색과 스트라이프 무의 변화에 따른 의복착용자의 이미지 연구)

  • Moon, Ju-Young
    • Journal of the Korean Society of Costume
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    • v.60 no.1
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    • pp.28-42
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    • 2010
  • A purpose of this study is to 6nd out how the casual and formal style clothes of stripe pattern giving variety by pattern direction, pattern width, and contrast coloration have an effect on image of wearers. For this, 192 stimuli were made and 1200 testee evaluated them using semantic differential scale. As a result, five image dimensions were drawn as a factor of attractiveness, gracefulness, activeness, visibility, and tenderness. Unlike the value contrast previously researched, it showed that chroma contrast coloration which was interacted with a color tone contrast coloration had an effect on all the 5 image dimensions. This result was recognized as significant clothes dues in evaluating the image of stripe wearers. Besides, clothing style, stripe pattern, and contrast coloration were made clear as an efficient parameter in image presentation of clothing wearers.