• Proceedings of the Korea Information Processing Society Conference
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• 2000.04a
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• pp.874-878
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• 2000

본 논문에서는 내용 기반 영상 검색 방법 중 "외각선 영역의 색상 분포에 의한 영상 검색"을 제안한다. 영상의 변화가 큰 곳은 해상도를 높게, 낮은 곳은 해상도를 낮게 데이터를 샘플링하여 비교할 데이터의 양을 줄이고, 외각선 영역의 색상을 검출하는데 사용한다. 이때 에지 트리(Edge Tree)를 이용하여 에지(Edge)의 위치 정보와 색상 정보를 유지하며, 검색을 가능하게 하였다. 이와 같은 방법을 사용해서 원하는 영상을 찾을 수 있음을 확인하였다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2010.10a
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• pp.649-650
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• 2010

This paper construct the sensibility database by extracting sensibility of 28 colors based on 12 color wheel. And, after the large color values are grouped by clustering of input image using k-mean algorithm, sensibility was extracted by matching with color and database. Also, we see the color sensible psychology of child using color distribution of children in painting.

• Journal of Korean Ophthalmic Optics Society
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• v.19 no.4
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• pp.513-518
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• 2014

Purpose: This study was to investigate color distortion by colors and luminous transmittance of lenses with word-color test included in computerized neurocognitive function test (CNT). Methods: 32 subjects aged $21.97{\pm}1.58$ years with no ocular disease and color vision deficiency were selected. Four colors of tinted lenses, which were red, green and blue included in the primary colors of light and pink, and word-color test in CNT to evaluate changes in cognitive function by color distortion were used. Results: Response time was not significantly increased in green, blue, and pink among four colors, but significantly increased in only red color. And response time was significantly increased below 46% of luminous transmittance in red color. Conclusions: It should be cautious and careful of the red-tinted lens choice because red color with below 46% of luminous transmittance can distort colors of objects, and it could be related to safety problem. It is suggested that word-color test could be extensively used for further studies on color recognition.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2015.10a
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• pp.705-708
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• 2015

High dynamic range (HDR) imaging is a techniques used in imaging to reproduce a greater dynamic range of luminosity than is possible with standard digital imaging. Tone mapping of HDR images for realistic display is commonly studied. However, scientific visualization of HDR image for analysis of scene luminance has much less attention. In this paper, we present and implement a simple approach for the reproduction and visualization of color information in HDR images. We attempt several simple color visualizing functions, and estimate their effectiveness through the evaluation factors with common HDR images.

• Journal of IKEEE
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• v.6 no.2 s.11
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• pp.152-160
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• 2002

This paper is the realization of the face recognition system for multimedia application. This system is focused on the design concerning the improvement of recognition rate and the reduction of processing time for face recognition. The non-modificated application of typical RGB color system enables the reduction of time required for color system transform. The neural network and the application of algorithm using face characteristic improves the recognition rate. After mosaicking an image, a face-color block has been selected through the color analysis of mosaic block. The characteristic of the face removes the mis-checked face-color candidate block. Finally, from the face color block, four special values are obtained. These values are processed to the neural network using the back propagation algorithm. The output values are the touchstone to decide the genuineness of face field. The realized system showed 90% of face recognition rate with less than 0.1 second of processing time. This result can be understood as sufficient processing time and recognition rate to find out the face block for multimedia application in dynamic image.

• 한국HCI학회:학술대회논문집
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• 2008.02a
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• pp.152-157
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• 2008

The human uses the optic plentifully that an emotion the human knowledge. by the light it perceives the object and we live middle of color together. The color is close relation in our life. against a color from in many the optic information it is sensitive and it accepts. Therefore if expresses a emotion with color, human knowledge there is a probably of accepting intuition. The purpose of this dissertation to The emotion expression which uses a hue and the hue which leads the relationship research of emotion. In emotional circle of Plutchik, It selects the emotion where becomes the basic and the hue which similar has an impression and feature from the Harris of Moses Harris it searches emotion to use a hue circle with the method which it makes the emotion it expresses. Examines satisfaction of hue and emotion for emotion expression. The magnetic pole of emotion continuously comes in, There must be it will be able to confirm change of many emotion as a real-time. The shooting game the magnetic pole of multi emotion continuously comes in, Because it will be able to confirm the change of emotion as a real-time, suitable the applies for the research of emotion expression Consequently, The application it tried with character hue of shooting game.

• The Optical Journal
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• v.14 no.5 s.81
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• pp.14-18
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• 2002

지금 국내의 CCTV 업계는 DVR 업체를 제외하고는 방향성을 상실하고 있는 것 같이 보여진다. CCTV 시스템은 보안 시스템의 일부를 구성하는 중요한 파트로서 앞으로도 보안산업의 발전과 그 맥락을 같이하는 분야이므로, 전체 보안 시스템 산업의 방향성을 잘 관찰하여 사업계획을 수립해야 한다. 카메라업계의 경우 무엇보다 R&D에 중점을 두고 기술개발에 계속 매진해 나가야 할 것이다. 향후 카메라의 시장 방향은 저조도용 칼라 카메라, 고해상도 및 고 색상재

• Journal of IKEEE
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• v.6 no.1 s.10
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• pp.72-79
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• 2002

This paper presents an efficient face detection algorithm for color images with a complex background. The presented algorithm utilizes the color information and eigenface that is calculated by PCA-LDA (Principle Component Analysis - Linear Discriminant Analysis). The method of using the color information is faster than any other methods. Eigenface includes average information of the whole test faces. Therefore eigenface can decide that the candidate region is a face. The whole process is composed of two steps. First, it finds first face candidates region of skin tone using a color information in image. We can get a size and position of face candidate region. Second, we compare first face candidate region with eigenface, so decide that an image whether include a face or not. The advantages of the proposed approach include that increasing the detection speed by deciding a size and position of first face candidates region. Also, Betting 97% of the detection rate by comparing the eigenfaces calculated in PCA-LDA.

• Journal of Korean Ophthalmic Optics Society
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• v.7 no.2
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• pp.135-141
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• 2002

A study on measurement of refractive power for eyesight by condition of opposite color, has been conducted. In the results of the test, it was observed that farsightedness has better lightness large range. However, in the case of chroma, we cannot distinguish tell the nearsightedness from the farsightedness. Generally, refractive power increased with the increase of large range was revealed. This method is better as compared with red-green test method.

• Proceedings of the Korea Information Processing Society Conference
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• 2006.05a
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• pp.419-422
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• 2006

고령화 및 저출산 사회가 대두되면서 예방을 통해 건강을 지키고자 하는 노력이 증가되고 있으며, 비침습, 무자각의 한방 진단 기술에 대한 관심이 증대되고 있다. 그러나, 기존의 한방 진단 분야에서 가지고 있는 임상의의 직관에 의한 진단 결과의 시각화에 따른 문제를 해결하지 않고서는 신뢰도를 얻을 수 없다. 따라서, 본 논문에서는 한방의 진단 분야 중 가장 중요한 망진(望診) 분야의 시각화, 객관화를 위해 입력 영상의 분석을 위한 최적화에 관한 연구를 하고자 한다. 이를 위해 입력 영상에 대한 색상 보정과 반사 보정을 통해 보다 정확한 색상값을 구하기 위한 연구를 진행한다. 또한, 컬러 영상의 최적화를 통한 보정 후의 결과 영상을 이용하여 망진에 필요한 얼굴 영역 추출을 나타내었다. 끝으로 실험을 통해 보정 전/후의 결과를 비교 평가하였다.