• Title/Summary/Keyword: Color scheme

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A New Vehicle Detection Method based on Color Integral Histogram

  • Hwang, Jae-Pil;Ryu, Kyung-Jin;Park, Seong-Keun;Kim, Eun-Tai;Kang, Hyung-Jin
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • v.8 no.4
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    • pp.248-253
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    • 2008
  • In this paper, a novel vehicle detection algorithm is proposed that utilizes the color histogram of the image. The color histogram is used to search the image for regions with shadow, block symmetry, and block non-homogeneity, thereby detecting the vehicle region. First, an integral histogram of the input image is computed to decrease the amount of required computation time for the block color histograms. Then, shadow detection is performed and the block symmetry and block non-homogeneity are checked in a cascade manner to detect the vehicle in the image. Finally, the proposed scheme is applied to both still images taken in a parking lot and an on-road video sequence to demonstrate its effectiveness.

A Study on FMS Landmark Recognition Using Color Images (칼라 영상을 이용한 FMS Landmark의 인식)

  • Yi, Chang-Hyun;Kwon, Ho-Yeol;Eum, Jin-Seob;Kim, Yong-Yil
    • Proceedings of the KIEE Conference
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    • 1993.07a
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    • pp.418-420
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    • 1993
  • In this paper, we proposed a new FMS Landmark recognition algorithm using color images. Firstly, a NTSC image fame is captured, and then it is converted to a field image in order to reduce the image blurring from the AGV motion. Secondly, the landmark is detected via the comparison of the color vectors of image pixels with the landmark color. Finally, the identification of FMS landmark is executed using a newly designed landmark pattern with a set of reference points. The landmark pattern is normalized against its translation, rotation, and scaling. And then, its vertical projection data are fisted for the pattern classification using the standard data set. Experimental results show that our scheme performs well.

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A Study on the Control of Computer Color Kitchen Systems using two robots (두 대의 로봇을 이용한 컴퓨터 조색 시스템 제어)

  • 박희재
    • 제어로봇시스템학회:학술대회논문집
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    • 2000.10a
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    • pp.158-158
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    • 2000
  • In this paper, control problems of computer kitchen systems are studied, which are widely used to automate test dyeing processes. To reduce the process time and avoid collision, a simplified real time control scheme Is proposed using Windows 98 environments Using two robots and applying proposed control scheme, the process time was reduced more than 30% for a given recipe in comparison with one robot machine

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Enhancing harmony of color theme by changing the order of colors (색의 순서 변경을 이용한 색의 조화 개선 방법)

  • Yoo, Min-Joon;Lee, In-Kwon
    • Journal of the Korea Computer Graphics Society
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    • v.18 no.4
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    • pp.9-15
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    • 2012
  • Color harmony is affected by order of colors or orderly arrangement as well as harmonious colors themselves. In this paper, we show people perceive the degree of harmony differently according to the orderly arrangement of colors. Especially, we use the order of colors in color themes, or color schemes which have been largely used for color selection. We first present the method for harmony calculation of Ou's researches[1][2] and then suggest a method considering minimum color distance of component colors. For a design consisting of multiple colors, we show overall harmony of colors is more important than each harmony of adjacent component colors. By user study, we conclude that the suggested method can enhance the harmony of color theme.

Color Quantization Scheme Considering Interesting Area of Image (관심 영역을 고려한 색 양자화 방법)

  • Paik, Doo-Won;Lim, Hun-Gyu;Lee, Jee-Su;Kang, Jung-Ku
    • Journal of the Korea Society of Computer and Information
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    • v.12 no.6
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    • pp.161-165
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    • 2007
  • The process of selecting a small number of representative colors from an image of higher color resolution is called color image quantization. In a color quantization process, it is vet important to determine what colors should be preserve and the others not. In our study, by the idea of an image can be divided into interesting area and uninteresting area, we propose a color quantization method that preserves more colors in the interesting area of an image. We evaluated correctness of extracting interesting area and compared the quality of our method with the others.

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Measurement Coding for Compressive Sensing of Color Images

  • Dinh, Khanh Quoc;Trinh, Chien Van;Nguyen, Viet Anh;Park, Younghyeon;Jeon, Byeungwoo
    • IEIE Transactions on Smart Processing and Computing
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    • v.3 no.1
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    • pp.10-18
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    • 2014
  • From the perspective of reducing the sampling cost of color images at high resolution, block-based compressive sensing (CS) has attracted considerable attention as a promising alternative to conventional Nyquist/Shannon sampling. On the other hand, for storing/transmitting applications, CS requires a very efficient way of representing the measurement data in terms of data volume. This paper addresses this problem by developing a measurement-coding method with the proposed customized Huffman coding. In addition, by noting the difference in visual importance between the luma and chroma channels, this paper proposes measurement coding in YCbCr space rather than in conventional RGB color space for better rate allocation. Furthermore, as the proper use of the image property in pursuing smoothness improves the CS recovery, this paper proposes the integration of a low pass filter to the CS recovery of color images, which is the block-based ${\ell}_{20}$-norm minimization. The proposed coding scheme shows considerable gain compared to conventional measurement coding.

Exploiting Color Segmentation in Pedestrian Upper-body Detection (보행자 상반신 검출에서의 컬러 세그먼테이션 활용)

  • Park, Lae-Jeong
    • Journal of the Institute of Electronics and Information Engineers
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    • v.51 no.11
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    • pp.181-186
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    • 2014
  • The paper proposes a new method of segmentation-based feature extraction to improve performance in pedestrian upper-body detection. General pedestrian detectors that use local features are often plagued by false positives due to the locality. Color information of multi parts of the upper body is utilized in figure-ground segmentation scheme to extract an salient, "global" shape feature capable of reducing the false positives. The performance of the multi-part color segmentation-based feature is evaluated by changing color spaces and the parameters of color histogram. The experimental result from an upper-body dataset shows that the proposed feature is effective in reducing the false positives of local feature-based detectors.

A Study on the Metaphorical Color System in Contemporary Architecture (현대건축의 은유적 색채체계에 관한 연구)

  • Lee, Young-Soo;Kim, Sun-Young
    • Korean Institute of Interior Design Journal
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    • v.18 no.4
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    • pp.61-70
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    • 2009
  • Rapid social changes and scientific advances of the $21^{th}c$ have brought on a major paradigm shift towards consilience, making boundaries more or less irrelevant. In the field of architecture, this is manifested in the emergence of colors that can be described as 'being aleatory', 'non-formal', 'non-deterministic' and 'perpetually evolving'. Contemporary architectural colors are not definitively fixed. They are rather liquid and metaphorical. Whereas the more traditional architectural colors have delivered clearly and precisely the intended symbolic meaning and visual information, those of today are less definitive and embody a more liquid and conceptual value system. This paper discusses the denoted signification and the meaning effect of the metaphorical color system found in contemporary architecture. This paper analyzes works of architecture from the late 20th century, when dramatic change sin architectural color system surfaced, to the more contemporary creations. Here, three categories of color are suggested, namely material color, spatial color and liquid color. Each categories considered in connection with deconstruction, holistic interactivity and the multiplicity of meanings that may result as information from the external world is perceived as stimulus to the inner mind. Contemporary architectural color scheme is characterized by its unpredictable vagueness of meaning, synesthetic engagement of imagination and chance, and expansion of the inner and outer world, all of which contribute to a metaphorical effect. The metaphorical color system of contemporary architecture can be classified into three dimensions, and it connects with human consciousness and amplifies itself through flexible and fluid communication. In this process non-physical colors materially serve as formal logic and room for varied interpretation of architectural space and our conceptual framework.

Analysis of Color Image Wedding Bouquet in the Interflora World Cup Competition (인터플로라 세계월드컵대회의 웨딩부케 색채이미지 분석)

  • Yeo, Hwa Sun;Kim, Shin Won;Park, Si Hyun
    • FLOWER RESEARCH JOURNAL
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    • v.18 no.4
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    • pp.308-314
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    • 2010
  • Importance of color in floral design has been emphasized for long time, but it is difficult to find out standardization of color for floral design and for educational system. Wedding bouquet is major and important part of floral design and it shows same problem. The research is concentrated on color image analysis of wedding bouquet designs which have been submitted for 'Interflora World Cup Competition' with the intention to utilize the study result as the basic information of floral design. Colors of wedding bouquets from 20 different countries were analyzed. All of designers chose high brightness and saturation more for designing the bouquets. Warm colors and cold colors have been taken in similar portion. Blue color has been rarely used and it is probably because of the rarity of blue flowers. This study shows each continent has different color preference. European designers used wide variety of colors while Asian designers preferred red color. From this study, we found that color image scales of wedding bouquets represent 8 images out of 12 representative images. Four exceptions are 'clean', 'elegant', 'gentle' and 'modern' images.

A Study on the Court Dance Garments of the Jangsaengboyeonjimu, Yeonbaekbokjimu, Jesuchang, and Choehwamu (장생보연지무, 연백복지무, 제수창, 최화무 복식에 관한 연구)

  • Nam, Hoo Sun;Kim, Soon Young
    • Fashion & Textile Research Journal
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    • v.15 no.6
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    • pp.886-898
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    • 2013
  • This study explores the types, shapes and changes of the court dance garments of mudong[child court dancer] and yeoryeong[female court dancer] for court dances such as Jangsaengboyeonjimu, Yeonbaekbokjimu, Jesuchang, and Choehwamu, and the arrangement of colors in their garments. The conclusion of the study is as follows: First, the type of garments of mudong varied according to the type of dance, role of mudong and passage of time. In all four jeongjae's, hongpo[red robe] and baekjilheukseonjungdaneui[white under garment trimmed in black] were commonly found. Second, the dress of yeoryeong in the Jangsaengboyeonjimu, Yeonbaekbokjimu, Jesuchang and Choehwamu was that of other yeoryeong, which was basically comprised of hwagwan[flower headdress], hwangchosam[yellow robe], hongchosang[red skirt] and sudae[embroidered belt]. Third, the color schemes of the court dance garments used in Jangsaengboyeonjimu, Yeonbaekbokjimu, Jesuchang and Choehwamu revealed that the color arrangement of sangsaeng [mutual generation] of the Ohaeng[Five Elements] scheme were favored in the garments of mudong and yeoryeong. The dress of mudong is characterized by sangsaeng between top and bottom, and between total and part, while the color scheme of the outer and inner was sanggeuk[mutual overcoming]. As for yeoryeong, the color arrangement was of sangsaeng in top and bottom, outer and inner, and total and part, but in the five-colored hansam[sleeve extension], both sangsaeng and sanggeuk were found.