• Title/Summary/Keyword: color recognition

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Fuzzy Tracking Control Based on Stereo Images for Tracking of Moving Robot (이동 로봇 추적을 위한 스테레오 영상기반 퍼지 추적제어)

  • Min, Hyun-Hong;Yoo, Dong-Sang;Kim, Yong-Tae
    • Journal of the Korean Institute of Intelligent Systems
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    • v.22 no.2
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    • pp.198-204
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    • 2012
  • Tracking and recognition of robots are required for the cooperation task of robots in various environments. In the paper, a tracking control system of moving robot using stereo image processing, code-book model and fuzzy controller is proposed. First, foreground and background images are separated by using code-book model method. A candidate region is selected based on the color information in the separated foreground image and real distance of the robot is estimated from matching process of depth image that is acquired through stereo image processing. The open and close processing of image are applied and labeling according to the size of mobile robot is used to recognize the moving robot effectively. A fuzzy tracking controller using distance information and mobile information by stereo image processing is designed for effective tracking according to the movement velocity of the target robot. The proposed fuzzy tracking control method is verified through tracking experiments of mobile robots with stereo camera.

Motion Control of a Mobile Robot Using Natural Hand Gesture (자연스런 손동작을 이용한 모바일 로봇의 동작제어)

  • Kim, A-Ram;Rhee, Sang-Yong
    • Journal of the Korean Institute of Intelligent Systems
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    • v.24 no.1
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    • pp.64-70
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    • 2014
  • In this paper, we propose a method that gives motion command to a mobile robot to recognize human being's hand gesture. Former way of the robot-controlling system with the movement of hand used several kinds of pre-arranged gesture, therefore the ordering motion was unnatural. Also it forced people to study the pre-arranged gesture, making it more inconvenient. To solve this problem, there are many researches going on trying to figure out another way to make the machine to recognize the movement of the hand. In this paper, we used third-dimensional camera to obtain the color and depth data, which can be used to search the human hand and recognize its movement based on it. We used HMM method to make the proposed system to perceive the movement, then the observed data transfers to the robot making it to move at the direction where we want it to be.

Smart HCI Based on the Informations Fusion of Biosignal and Vision (생체 신호와 비전 정보의 융합을 통한 스마트 휴먼-컴퓨터 인터페이스)

  • Kang, Hee-Su;Shin, Hyun-Chool
    • Journal of the Institute of Electronics Engineers of Korea SC
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    • v.47 no.4
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    • pp.47-54
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    • 2010
  • We propose a smart human-computer interface replacing conventional mouse interface. The interface is able to control cursor and command action with only hand performing without object. Four finger motions(left click, right click, hold, drag) for command action are enough to express all mouse function. Also we materialize cursor movement control using image processing. The measure what we use for inference is entropy of EMG signal, gaussian modeling and maximum likelihood estimation. In image processing for cursor control, we use color recognition to get the center point of finger tip from marker, and map the point onto cursor. Accuracy of finger movement inference is over 95% and cursor control works naturally without delay. we materialize whole system to check its performance and utility.

Emotion-based music visualization using LED lighting control system (LED조명 시스템을 이용한 음악 감성 시각화에 대한 연구)

  • Nguyen, Van Loi;Kim, Donglim;Lim, Younghwan
    • Journal of Korea Game Society
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    • v.17 no.3
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    • pp.45-52
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    • 2017
  • This paper proposes a new strategy of emotion-based music visualization. Emotional LED lighting control system is suggested to help audiences enhance the musical experience. In the system, emotion in music is recognized by a proposed algorithm using a dimensional approach. The algorithm used a method of music emotion variation detection to overcome some weaknesses of Thayer's model in detecting emotion in a one-second music segment. In addition, IRI color model is combined with Thayer's model to determine LED light colors corresponding to 36 different music emotions. They are represented on LED lighting control system through colors and animations. The accuracy of music emotion visualization achieved to over 60%.

Development of a Tiled Display GOCI Observation Satellite Imagery Visualization System (타일드 디스플레이 천리안 해양관측 위성 영상 가시화 시스템 개발)

  • Park, Chan-sol;Lee, Kwan-ju;Kim, Nak-hoon;Lee, Sang-ho;Seo, Ki-young;Park, Kyoung Shin
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2013.10a
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    • pp.641-642
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    • 2013
  • This research implemented Geostationary Ocean Color Imager (GOCI) observation satellite imagery visualization system on a large high-resolution tiled display. This system is designed to help users observe or analyze satellite imagery more effectively on the tiled display using multi-touch and Kinect motion gesture recognition interaction. We developed the multi-scale image loading and rendering technique for the massive amount of memory management and smooth rendering for GOCI satellite imagery on the tiled display. In this system, the unit of time corresponding to the selected date of the satellite images are sequentially displayed on the screen. Users can zoom-in, zoom-out, move the imagery and select some buttons to trigger functions using both multi-touch or Kinect gesture interaction.

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An Analysis on the Design of Motion-Sensing Game Role Selection GUI (체감형 게임에서 캐릭터 선택 GUI 디자인 분석)

  • Huang, HaiBiao;Zheng, LingJing;Ryu, Seuc-HO
    • Journal of Digital Convergence
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    • v.18 no.7
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    • pp.383-387
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    • 2020
  • This paper studies the GUI design of motion-sensing game character selection. The game's GUI plays a role in transferring information in human-computer interaction. The purpose of this game player-oriented GUI design is to optimize the human-computer interaction, make the operation more user-friendly, reduce the user's cognitive burden, and better adapt to the user's operation needs. This paper combines examples to compare and analyze these three games from three aspects: text, color and form. In the existing motion-sensing game games, the character selection GUI has a design feature of high recognition and strong visibility. Finally, suggestions for GUI design of motion-sensing game games are given. It is hoped that in the future, reference materials will be provided for the GUI design of experience game character selection.

An Effective Shadow Elimination Method Using Adaptive Parameters Update (적응적 매개변수 갱신을 통한 효과적인 그림자 제거 기법)

  • Kim, Byeoung-Su;Lee, Gwang-Gook;Yoon, Ja-Young;Kim, Jae-Jun;Kim, Whoi-Yul
    • Journal of the Institute of Electronics Engineers of Korea SP
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    • v.45 no.3
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    • pp.11-19
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    • 2008
  • Background subtraction, which separates moving objects in video sequences, is an essential technology for object recognition and tracking. However, background subtraction methods are often confused by shadow regions and this misclassification of shadow regions disturbs further processes to perceive the shapes or exact positions of moving objects. This paper proposes a method for shadow elimination which is based on shadow modeling by color information and Bayesian classification framework. Also, because of dynamic update of modeling parametres, the proposed method is able to correspond adaptively to illumination changes. Experimental results proved that the proposed method can eliminate shadow regions effectively even for circumstances with varying lighting condition.

3D Special Makeup Mask Program Development and Utilization (Ver. 2) (3D 특수 분장 마스크 시뮬레이션 프로그램 개발과 활용 (제2보))

  • Barng, Kee-Jung;Kim, Jin-Seo
    • Journal of Fashion Business
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    • v.19 no.5
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    • pp.63-76
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    • 2015
  • The purpose of this study was to design a training program for utilization of 3D special makeup mask program. This study was conducted with a 3D computer graphics software program, for special makeup mask using a variety of creative educational models and case study with comparative analysis. The makeup program applied to the majors and liberal arts classes for program design. Inthis study, the selected major courses included ' stage make up ', make up application', and illustrations and color '. Students were required to take a class targeted to questionnaire completion and analysis. The research method included literature search, and Internet navigation, of experimental research. The research targeted select college students attending a 4-year university located in Dae-jeon, Korea. ETRI's "3D mask special makeup simulation program" was used in support. A survey of the study conducted from September 1, 2013, to August 30, 2014, showed a total of 94 additional statistical analyses. First, grade 3 44.6% was attained by 91.7% of the first year student majoring in liberal arts classes, Second, students' in the 3D special dress up mask program Interestingly, attained high recognition in its mastering, usability, and creativity. Furthermore, the major student satisfaction was higher for the '3D special makeup mask program. Third, students '3D special dress up was one of the biggest advantages of the program', the mask ' that models 3D ' faces. In addition, the student's delicate dress called for critical technology skills. It is thought to be suitable for practical training and improving the efficiency and performance if applied to universities and beauty schools, such as the regular high school curriculum through research.

Design of Pedestrian Detection Algorithm Using Feature Data in Multiple Pedestrian Tracking Process (다수의 보행자 추적과정에서 특징정보를 이용한 보행자 검출 알고리즘 설계)

  • Han, Myung-ho;Ryu, Chang-ju;Lee, Sang-duck;Han, Seung-jo
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.22 no.4
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    • pp.641-647
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    • 2018
  • Recently, CCTV, which provides video information for multiple purposes, has been transformed into an intelligent, and the range of automation applications increased using the computer vision. A highly reliable detection method must be performed for accurate recognition of pedestrians and vehicles and various methods are being studied for this purpose. In such an object detection system. In this paper, we propose a method to detect a large number of pedestrians by acquiring three characteristic information that features of color information using HSI, motion vector information and shaping information using HOG feature information of a pedestrian in a situation where a large number of pedestrians are moving. The proposed method distinguishes each pedestrian while minimizing the failure or confusion of pedestrian detection and tracking. Also when pedestrians approach or overlap, pedestrians are identified and detected using stored frame feature data.

A Study of the Usage and Sizing Selecting of the Apparels listed in On-line and Catalog Shopping (온라인 및 카탈로그 통신판매 의류 이용현황 및 치수선택에 대한 연구)

  • 김선희;최혜선
    • Journal of the Korean Society of Clothing and Textiles
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    • v.26 no.7
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    • pp.1015-1025
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    • 2002
  • This study is aimed at investigating and developing the use and sizing system of the apparels listed in on-line and catalog shopping in Korea. This is a basic study for an apparel sizing system to be developed, which could be used to approach consumers more easily and provide improved fitness and accuracy in terms of size and style of apparels for fashion E-commerce. A survey was conducted among the consumers who are more than 18-years-old and purchased more than two times the apparels listed in on-line and catalog shopping of two selected catalog shopping enterprises, and its statistical results are analysed from 281 respondents' questionnaires. The results of the study are as follows: 1. According to the result of the survey on the use and sizing system of the apparels listed in. on-line and catalog shopping, the consumers who purchased once apparels continue doing so in the same manner. A catalog shopping is the most preferred form of shopping. The most dissatisfying part in purchasing apparels is a poor quality of 'texture', and the second biggest problem is about 'size'About 51.2 percent of the apparels were not worn or even returned, while the top reason for that is 'Inappropriate size' and 'color', and 'texture'comes next on the list. 2. According to the survey on the recognition-rate concerning common' body size, most respondents were aware of their height and weight, and So percent of respondents said that they were aware of their waist circumference. But, chest circumference and hip circumference were recognized only by 58.4 percent and 35.6 percent of respondents, respectively. 3. According to the survey on difference between men and women, the male consumers have less aware of hip circumference than the female counterparts. The females have much more dissatisfaction with apparel sizing system and show higher return-rate of purchased apparels than the males.