• Title/Summary/Keyword: representative color

Search Result 295, Processing Time 0.025 seconds

Integrating Color, Texture and Edge Features for Content-Based Image Retrieval (내용기반 이미지 검색을 위한 색상, 텍스쳐, 에지 기능의 통합)

  • Ma Ming;Park Dong-Won
    • Science of Emotion and Sensibility
    • /
    • v.7 no.4
    • /
    • pp.57-65
    • /
    • 2004
  • In this paper, we present a hybrid approach which incorporates color, texture and shape in content-based image retrieval. Colors in each image are clustered into a small number of representative colors. The feature descriptor consists of the representative colors and their percentages in the image. A similarity measure similar to the cumulative color histogram distance measure is defined for this descriptor. The co-occurrence matrix as a statistical method is used for texture analysis. An optimal set of five statistical functions are extracted from the co-occurrence matrix of each image, in order to render the feature vector for eachimage maximally informative. The edge information captured within edge histograms is extracted after a pre-processing phase that performs color transformation, quantization, and filtering. The features where thus extracted and stored within feature vectors and were later compared with an intersection-based method. The content-based retrieval system is tested to be effective in terms of retrieval and scalability through experimental results and precision-recall analysis.

  • PDF

Wine Label Recognition System using Image Similarity (이미지 유사도를 이용한 와인라벨 인식 시스템)

  • Jung, Jeong-Mun;Yang, Hyung-Jeong;Kim, Soo-Hyung;Lee, Guee-Sang;Kim, Sun-Hee
    • The Journal of the Korea Contents Association
    • /
    • v.11 no.5
    • /
    • pp.125-137
    • /
    • 2011
  • Recently the research on the system using images taken from camera phones as input is actively conducted. This paper proposed a system that shows wine pictures which are similar to the input wine label in order. For the calculation of the similarity of images, the representative color of each cell of the image, the recognized text color, background color and distribution of feature points are used as the features. In order to calculate the difference of the colors, RGB is converted into CIE-Lab and the feature points are extracted by using Harris Corner Detection Algorithm. The weights of representative color of each cell of image, text color and background color are applied. The image similarity is calculated by normalizing the difference of color similarity and distribution of feature points. After calculating the similarity between the input image and the images in the database, the images in Database are shown in the descent order of the similarity so that the effort of users to search for similar wine labels again from the searched result is reduced.

A Study on the Research Method for Residential Interior Color Planning (주거환경 디자인의 색채계획 연구방법에 대한 고찰)

  • 박영순;윤지영;김미경;이윤선
    • Korean Institute of Interior Design Journal
    • /
    • no.10
    • /
    • pp.21-27
    • /
    • 1997
  • The purpose of this study was to examine the trends of recently published color studies and the characteristics of the methods and study tools used in the field of interior design and to suggest the desirable study tools which can be practically used in housing color plav. All the color studies published after 1990 were collected and categorized, and the representative studies in the contents and methodologies were selected. The study tools such as image categorizing words, evaluating adjectives, interior photos, color palettes, interior perspectives by computer system, models, etc. were most frequently used in housing color studies. By analyzing the characteristics and restricts of each tool, desirable methods which can be practically used in color plan situation were suggested.

  • PDF

On the Relationship of Color Image Compression and Gamut: MPEG2

  • Lee, Tae-Hyung;Ha, Yeong-Ho
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 2009.10a
    • /
    • pp.1232-1235
    • /
    • 2009
  • Image compression techniques such as JPEG and MPEG induce losses of image quality. These losses are usually investigated on the spatial distortions from reconstructed images. Representative specifications are blocking artifacts, color bleeding and smearing. However, the compression techniques also influence the color information. The distortion of color information means distortion of gamut characteristics such as gamut size and unique color from the CIELAB values for each pixel in the reconstructed images. Accordingly, this paper introduces the investigation of the relationship between image compression and the gamut characteristics for reconstructed images using MPEG compression. The results show the consist variation of gamut, hue, and chroma due to MPEG compression.

  • PDF

The Comparison of Cultural Color in Traditional Performance of Korea and Japan (한.일 전통극의 색채문화 비교)

  • Kim, Ji-Eon
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.32 no.10
    • /
    • pp.1629-1639
    • /
    • 2008
  • The purpose of this study is to research the similarity and difference of color application in the culture of Korea and Japan. The subject of this research is the costume color of Changgeuk and Kabuki. This survey analyzes Munsell's 3 attributes(Hue, Value, Chroma), tone, and 3D color analysis by extracted color data. And representative color according to Obangsaek is proposed. The results of this study are as follows: 1. High chroma red in Kabuki costume is more used as symbolic color(passion and luxurious) in order to show character's personality than that in Changguek costume. 2. Low chroma YR color(no-dyeing color) in Changgeuk costume much more used because of Korean white robe preference and eco-friendly thinking. But high chroma yellow is restrictive color for symbolic color of emperor in Korea and Japan. 3. Blue is most frequently used in both costumes because blue is encouraging color by the theory of exponents of the five elements doctrine. 4. White in Korean Changguek costume is more used for white robe preference thinking, but black in Kabuki costume is much more used for symbol of power in Japan. The similarity of Korean and Japanese cultural color is to use much Obangsaek, less Ogansaek by the theory of exponents of the five elements doctrine, but the difference of Korean and Japanese cultural color is to use color differently according to preference thinking system.

Cross-Cultural Study on the Meaning Evaluation and Preference in Color Palettes (실내색채팔레트에 대한 의미평가의 문화집단별 비교연구)

  • 박영순;윤지영
    • Korean Institute of Interior Design Journal
    • /
    • no.5
    • /
    • pp.53-58
    • /
    • 1995
  • The purpose of this study is to explore how people's evaluation and preference on color palettes differ based on their cultural background. This study used the same color palettes developed by Youngsoon Park and Denise Guerin(1992). Fourteen representative adjectives are used to analyze the meaning evaluation and preference on the six color palletes. 425 undergraduate students are se-lected from Korea, Japan, U.S. and England and ques-tionnaire was used as survey instrument. The results show that there are significant differences among the four countries in the meaning evaluation and preferences on the color palettes and the characteristics of color palettes influence the differences among the countries. The differences among the countries decrease in case of color palettes composed of warm color with low or medium value difference and chroma difference, while the differences increase in case of color palette characterized by strong color contrast with high or medi-um value difference and chroma difference. The result of color meaning evaluation can be catego-rized into Western and Eastern culture. Korea and U.S., and Japan and U.S. showed significant differences in the most words and Korea and Japan showed similarities in the most words. Therefore it can be concluded that cul-tural backgrounds related to race, region and history in-fluence the color meaning evaluation and preference. Fur-ther study should explore the relationship between color and culture using more various color instruments such as color palettes in order to categorize the various aspects of culture.

  • PDF

Cotent-based Image Retrieving Using Color Histogram and Color Texture (컬러 히스토그램과 컬러 텍스처를 이용한 내용기반 영상 검색 기법)

  • Lee, Hyung-Goo;Yun, Il-Dong
    • Journal of the Korean Institute of Telematics and Electronics S
    • /
    • v.36S no.9
    • /
    • pp.76-90
    • /
    • 1999
  • In this paper, a color image retrieval algorithm is proposed based on color histogram and color texture. The representative color vectors of a color image are made from k-means clustering of its color histogram, and color texture is generated by centering around the color of pixels with its color vector. Thus the color texture means texture properties emphasized by its color histogram, and it is analyzed by Gaussian Markov Random Field (GMRF) model. The proposed algorithm can work efficiently because it does not require any low level image processing such as segmentation or edge detection, so it outperforms the traditional algorithms which use color histogram only or texture properties come from image intensity.

  • PDF

Study of Color Configuration of Dunhuang(敦煌)Grottoes(石窟) Murals(壁画) in Tang Dynasty under Traditional Chinese "Five Colors" View of Color System

  • Chun Wang;Albert Young Choi
    • International Journal of Advanced Culture Technology
    • /
    • v.11 no.3
    • /
    • pp.172-181
    • /
    • 2023
  • Dunhuang murals are one of the most outstanding achievements in the art of traditional grotto painting in China, and are known as a "Wall Museum". As a representative of the heyday of Dunhuang murals, an in-depth exploration of Dunhuang murals from the perspective of color will help researchers understand the laws and connotations of color in Dunhuang murals during the Tang Dynasty and fully grasp the art of Dunhuang murals. The color system of the traditional Chinese "Five colors" concept expresses the cultural attributes and emotions of the Chinese people and has distinctive national characteristics. This thesis provides a theoretical grasp of the traditional Chinese "Five colors" view of color system, the Dunhuang murals of the Tang Dynasty, and the color configuration of the color composition principles, and uses the modern design principles of color composition to conduct an in-depth analysis of the configuration of the Dunhuang murals' use of color. Explore the unique characteristics of Tang Dynasty Dunhuang murals, and help modern designers master richer color application techniques by learning from and studying the harmonious patterns of Dunhuang murals to provide a new path for the dissemination of excellent Chinese traditional culture.

A Study on Color Trend of Domestic Office Furniture Based on the Theory of Color Harmony

  • Kang, Myung-Sun;Baik, Eun
    • Journal of the Korea Furniture Society
    • /
    • v.22 no.3
    • /
    • pp.141-150
    • /
    • 2011
  • This is a study on the status of color scheme of domestic office furniture. In order to pursue the planned and effective usage of color on office furniture, we investigate and analyze the status of used color based on products from four domestic office furniture companies. Once we review the definition and characteristics of office furniture, we theoretically investigate the importance of correct color planning and psychological effect based on the psychological theory as research methods. In addition, objective condition of color analysis is presented by clearly stating the color measurement which is used in this study and the NCS as analysis standards, and status of the usage of color is investigated and analyzed based on representative products from four domestic office furniture companies. Results showed that only five products which are 26.3% out of 19 products from four companies achieved a good balance based on both color harmony theories. We hope that studies to recognize the importance of usage of correct color on the office furniture, to improve the office environment and to increase the efficiency of work will be conducted continuously.

  • PDF

Scene Change Detection with 3-Step Process (3단계 과정의 장면 전환검출)

  • Yoon, Shin-Seong;Won, Rhee-Yang
    • Journal of the Korea Society of Computer and Information
    • /
    • v.13 no.6
    • /
    • pp.147-154
    • /
    • 2008
  • First, this paper compute difference value between frames using the composed method of $X^2$ histogram and color histogram and the normalization. Next, cluster representative frame was decided by using the clustering for distance and the k-mean grouping. Finally, representative frame of group was decided by using the likelihood ratio. Proposed method can be known by experiment as outstanding of detection rather than other methods, due to computing of difference value, clustering and grouping, and detecting of representative frame.

  • PDF