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Three-dimensional Face Recognition based on Feature Points Compression and Expansion

  • Yoon, Andy Kyung-yong;Park, Ki-cheul;Park, Sang-min;Oh, Duck-kyo;Cho, Hye-young;Jang, Jung-hyuk;Son, Byounghee
    • Journal of Multimedia Information System
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    • v.6 no.2
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    • pp.91-98
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    • 2019
  • Many researchers have attempted to recognize three-dimensional faces using feature points extracted from two-dimensional facial photographs. However, due to the limit of flat photographs, it is very difficult to recognize faces rotated more than 15 degrees from original feature points extracted from the photographs. As such, it is difficult to create an algorithm to recognize faces in multiple angles. In this paper, it is proposed a new algorithm to recognize three-dimensional face recognition based on feature points extracted from a flat photograph. This method divides into six feature point vector zones on the face. Then, the vector value is compressed and expanded according to the rotation angle of the face to recognize the feature points of the face in a three-dimensional form. For this purpose, the average of the compressibility and the expansion rate of the face data of 100 persons by angle and face zone were obtained, and the face angle was estimated by calculating the distance between the middle of the forehead and the tail of the eye. As a result, very improved recognition performance was obtained at 30 degrees of rotated face angle.

Development of an image processing algorithm for the recognition of car types and number plates (차종, 번호판 위치 및 자동차 번호판 인식을 위한 영상처리 알고리즘개발)

  • 김희식;이평원;김영재
    • 제어로봇시스템학회:학술대회논문집
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    • 1997.10a
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    • pp.1718-1721
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    • 1997
  • An image processing algorithm is developed in order to recognize the type of cars, the position of a number plate and the characters on the plate. to recognize the type of cars, comparison of two images is used. One has a car image, the other is just a background image without car. After that recognition, a vertical line filter is used to find the location of the plate. Finally the simularity mehod is used to recognize the numbers on plates.

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도로영상에서 차량 특성 곡선을 이용한 차종 구분 알고리즘 개발

  • 김희식;이호재;이평원
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 1995.10a
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    • pp.423-426
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    • 1995
  • An image processing algorithm is developed in order to recognize the type of cars, the position of a number plate and the characters on the plate. To recognize the type af cars, comparison of two images is used. One has a car image, the other is just a background image without car. After that recognition, a vertical line filter is used to find the location of the plate. Finally the similarity method is used to recognize the numbers on the plates.

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An intelligent system for isomorphic transformation pattern recognition

  • Xie, Qiusheng;Kobayashi, Akira
    • 제어로봇시스템학회:학술대회논문집
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    • 1990.10b
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    • pp.939-944
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    • 1990
  • To recognize isomorphic transformation patterns, such as scale-change, translation and rotation transformed patterns, is an old difficult but interesting problem. Many researches have been done with a dominant approach of normalization by many eminent pioneers. However, there seems no a perfect system which can even recognize 90 .deg.-multiple rotation isomorphic transformation patterns for real needs. Here, as a new challenge, we propose a method of how to recognize 90 .deg.-multiple rotation isomorphic and symmetry isomorphic transformation patterns.

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A traffic flow measurement system at night by using image processing

  • Miyazaki, Michio;Tanaka, Kenji;Akizuki Kageo;Kawamura, Mamoru
    • 제어로봇시스템학회:학술대회논문집
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    • 1997.10a
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    • pp.589-592
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    • 1997
  • In this paper, we propose a simple algorithm to calculate the number of passing cars at night by using an image processing sensor for digital black and white images with 256 tone levels. To recognize cars, we capture their head lamps. The reflection of the head lamps is one of the most troublesome factors in recognizing cars. The main problem in this paper is how to recognize cars under the influence of the reflection of the head lamps especially in rainy days. In general, the image of a head lamp is nearly circular and the reflection is long and narrow. On the difference of these forms, we can exclude the reflection in our proposed algorithms For real-time operation and simple calculation, we recognize the existence of cars using fifteen lines with 256 tone levels. In the experimental application on a road, the recognition rate of a real-time operation is more than 90%. Moreover, we will also explain briefly how to recognize passing cars for 24 hours.

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Influence of Parenting Style as Perceived by Adult Child on Perspective of Marriage: The Mediation Effect of Recognize Gender Roles (성인자녀가 지각하는 부모양육태도가 결혼관에 미치는 영향: 성역할인식의 매개효과)

  • Choi, So Young;Chang, Jin Kyung
    • Human Ecology Research
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    • v.54 no.2
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    • pp.181-195
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    • 2016
  • This study use the influences of parenting style as perceived by and adult child and recognizes gender roles for the purpose of marriage perspectives. I provided a general tendency of parenting style as perceived by and adult child, recognize gender roles, and perspective of marriage to achieve the established goals. We analyzed the relative influence of socio-demographic characteristics, parenting style as perceived by and adult child and recognize gender roles for marriage perspectives. Finally, parenting style as perceived by and adult child are recognized gender roles mediated by the investigated influence of marriage perspectives. We used a structured questionnaire that targeted unmarried men and women 20 to 30 years of age to verify the this study. Data analysis used SPSS ver. 19.0; in addition, we performed reliability, frequency analysis, t-test, hierarchical regression analysis, multiple regression analysis, and variance inflation factor. Looking at these results, both adult children had a higher perception of rearing parents with the usual recognition of gender roles. The analysis indicated a conservative perspective of marriage. Adult children of mothers rearing and recognize gender roles sub-area of masculinity and femininity are perceived to be a significant change observed in marriage perspectives in addition to socio-demographic characteristics of gender and education. However, the relationship between parenting style, as perceived by adult child and marriage perspectives and as analyzed by recognize gender roles, did not have a mediating effect.

How do Young Block-tailed Gulls (Larus crassirostris) Recognize Adult Voice Signals\ulcorner

  • Park, Shi-Ryong;Chung, Hoon
    • Animal cells and systems
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    • v.6 no.3
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    • pp.221-225
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    • 2002
  • This study was conducted to find out how young black-tailed gulls (Larus crassirostris) recognize adult voice signals after hatching. For the experiment, adult voice recorded in the natural environment was played back at controlled intervals and intensity (dB) to 15 young gulls that were artificially hatched in the laboratory. The chirirah call frequency of young gulls increased as the intensity of the mew call increased. The chirirah response of the control group was highest to the mew call at intervals of 1.8s. The adult long ca11 and alarm call also showed similar results to the mew call when the interval and intensity were manipulated similar to the mew call. Based on the results of this experiment, it is assumed that the young black-tailed gulls recognize adult voice signals based on the simple structure of adult voice signals, that is, the interval and intensity of the voice.

Mailing List Characteristic from Electronic Mail

  • Khaitiyakun, N.;Khunkitti, A.
    • 제어로봇시스템학회:학술대회논문집
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    • 2004.08a
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    • pp.917-921
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    • 2004
  • Principle of mailing list was distributed messages to all subscribers in one time. But mailing list operation has constructed a network traffic problem. Because mailing list manager distributed mails without concentrate on subscriber network. If our network has many of subscribers, there will be redundant data in traffic channel. Submailing list has purpose to reduce problems. Analyses of mailing list characteristic in electronic mail were a feature of submailing list system, which manage by human hand (Network Administrator). That will cause trouble for network traffic if Network Administrator could not seek for mailing list characteristic from e-mails in due time. This article will present ideas and recognize methodology for automatic working in submailing list system. Recognize step begin with capture process, which use to trap e-mail information from transfer channel. Next process is preparing raw data into recognition format. Then the third one is recognize part and find out confidential factor. The last process is make decision and determine which electronic mail has properties of mailing list characteristic. Afterward deliver result to submailing list for carry on.

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Mood Suggestion Framework Using Emotional Relaxation Matching Based on Emotion Meshes

  • Kim, Jong-Hyun
    • Journal of the Korea Society of Computer and Information
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    • v.23 no.8
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    • pp.37-43
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    • 2018
  • In this paper, we propose a framework that automatically suggests emotion using emotion analysis method based on facial expression change. We use Microsoft's Emotion API to calculate and analyze emotion values in facial expressions to recognize emotions that change over time. In this step, we use standard deviations based on peak analysis to measure and classify emotional changes. The difference between the classified emotion and the normal emotion is calculated, and the difference is used to recognize the emotion abnormality. We match user's emotions to relatively relaxed emotions using histograms and emotional meshes. As a result, we provide relaxed emotions to users through images. The proposed framework helps users to recognize emotional changes easily and to train their emotions through emotional relaxation.

A method of floor recognition by using ultrasonic sensors for mobile robot navigation (초음파 센서를 이용한 로봇의 실내 평면 구조 인식)

  • 고중협;김완주;정명진
    • 제어로봇시스템학회:학술대회논문집
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    • 1993.10a
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    • pp.125-132
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    • 1993
  • When a mobile robot moves around autonomously without man-made landmarks, it is essential to recognize the placement of surrounding objects especially for current position estimation, obstacle avoidance, or homing into the work station. In this paper, we propose a novel approach to recognize the floor paln for indoor mobile robot navigation using ultrasonic time-of-flight method. We model the floor plan as a collection of polygonal plane objects and recognize the floor plan by locating edges and vertices of the objects. The direction is estimated by the patterns of transmission beam and reception sensitivity of the ultrasonic transducer, and the distance is estimated by the correlation detection method. We show the validity of the proposed approach through experimental results and discuss the resolution and the accuracy of the estimation of direction and distance.

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