• Journal of the Korean Society of Costume
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• v.61 no.7
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• pp.125-134
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• 2011

Sumuk drawings are made with water and muk(墨), which are used to express the light, shade and texture of an object. The expression methods of oriental drawing can be divided into three methods: pictorialization, abstractness and realism. The method of pictorialization expresses traditional pictures or letters. Abstractness show an artist's aesthetic feeling through sprinkling, splashing and spreading diffusion of muk. The method of realism is Takbon which makes a copy painting directly from a monument by rubbing a paper with ink. Modern fashion designer attempts to develop a new Sumuk technique based on both oriental drawing style and western watercolor painting style. Rather than following the designated styles of oriental drawings and Korean drawings, new Sumuk technique colors detailed structures expressed as outlines, dots and lines or creates abstract patterns through spreading or spilling in showing theme of flowers, plants and insects. In this study, in order to develop fashion cultural products with Sumuk technique, rubbed copy of the ancient 'Emile bell Takbon' was used. For this study, with the combination of different colors and the patterns from 'Emile bell Takbon', designs for scarfs, shirts and one-piece dresses were created. These techniques enabled to express soft and strong Takbon image in simple Sumuk technique in harmony with modern trends.

• The KIPS Transactions:PartB
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• v.13B no.5 s.108
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• pp.525-532
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• 2006

This paper proposes a new class of image restoration on the Ising modeled binary 'Takbon' image by the flexible line-fitting ICM(Iterated conditional modes) method. Basically 'Takbon' image need be divided into two extreme regions, information and background one due to its stroke combinations. The main idea is the line process, comparing with the conventional ICM approaches which were based on partially rectangular structured point process. For calculating geometrical mechanism, we have defined line-fitting functions at each current pixel array which form the set of linear lines with gradients and lengths. By applying the Bayes' decision to this set, the region of the current pixel is decided as one of the binary levels. In this case, their statistical reiteration for distinct tracking between intra and extra region offers a criterion to decide the attachment at each step. Finally simulations using the binary 'Takbon' image are provided to demonstrate the effectiveness of our new algorithm

• Proceedings of the IEEK Conference
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• 2003.11a
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• pp.27-30
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• 2003

In this paper a new approach of digitalized ‘Takbon’ is introduced. By image signal processing, the letters which were written on stones can be deciphered. Epigraphic letter is detected by digital image device, digital camera. The two dimensional digital image is preprocessed because of sensor noise and detective turbulence. Color image is transformed into grey level. The letter image is analyzed in time/frequency domain. By the resultant analysis data decisive functions are calculated. Signal Processing techniques, such as scaling, clipping, digital negative, high/low filter, morphology and so on, provide algorithms that can extract letter from stones.

• Journal of the Institute of Electronics Engineers of Korea SP
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• v.43 no.5 s.311
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• pp.37-44
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• 2006

In this paper, a new version of the ICM method(MICM, modified ICM) in which the contextual information is modelled by Markov random fields (MRF) is introduced. To extract the feature, a new local MRF model with a fitting block neighbourhood is proposed. This model selects contextual information not only from the relative intensity levels but also from the geometrically directional position of neighbouring cliques. Feature extraction depends on each block's contribution to the local variance. They discriminates it into several regions, for example context and background. Boundaries between these regions are also distinctive. The proposed algerian performs segmentation using directional block fitting procedure which confines merging to spatially adjacent elements and generates a partition such that pixels in unified cluster have a homogeneous intensity level. From experiment with ink rubbed copy images(Takbon, 拓本), this method is determined to be quite effective for feature identification. In particular, the new algorithm preserves the details of the images well without over- and under-smoothing problem occurring in general iterated conditional modes (ICM). And also, it may be noted that this method is applicable to the handwriting recognition.

• Journal of the Institute of Electronics Engineers of Korea SP
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• v.43 no.5 s.311
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• pp.30-36
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• 2006

In this paper, a new type of written image segmentation based on relative comparison of region areas is proposed. The original image is composed of two distinctive regions; information and background. Compared with this binary original image, the observed one is the gray scale which is represented with complex regions with speckles and noise due to degradation or contamination. For applying threshold or statistical approach, there occurs the region-deformation problem in the process of binarization. At first step, the efficient iterated conditional mode (ICM) which takes the lozenge type block is used for regions formation into the binary image. Secondly the information region is estimated through selecting action and restored its primary state. Not only decision of the attachment to a region but also the calculation of the magnitude of its area are carried on at each current pixel iteratively. All region areas are sorted into a set and selected through the decision parameter which is obtained statistically. Our experiments show that these approaches are effective on ink-rubbed copy image (拓本 'Takbon') and efficient at shape restoration. Experiments on gray scale image show promising shape extraction results, comparing with the threshold-segmentation and conventional ICM method.

• Proceedings of the Korea Information Processing Society Conference
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• 2006.05a
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• pp.645-648
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• 2006

최근 컴퓨터의 급속한 보급과 영상처리기술의 발달로 금석학 분야는 인문학의 범주를 뛰어넘어 문화 정보 공유의 중요한 위치로 자리매김하게 되었다. 본 연구는 국내에서 처음 시도 되는 것으로, 수천년 정신문화 산물의 정보자료인 탁본을 영상으로 입력하여 디지털 데이터로 전환하고, 이를 공간 영역에서 종합 분석함으로 탁본영상 고유의 특성을 파악하고자 하였다. 탁본 원영상은 흑백의 두 영역으로 분할되는 완벽한 이진영상이나, 탁본뜨기 수작업과정을 거치면서 관측영상에는 영역간 색도의 혼재가 발생하고 얼룩무늬와 문양이 전체 영상에 분포한다. 이와같은 영상으로부터 필요한 문자나 문양의 정보를 추출하기 위한 전단계로 영상에 관한 종합적인 분석 작업을 하였다. 분석 기법으로는 공간분석법을 사용하였다. 역사적으로 유명한 대표적인 탁본을 위시하여 40여개의 탁본영상 샘플을 무작위로 선택하였고, 공간분석을 통해 색도분포특성과 영역간 색도 중복 및 영역형성 양상과 특성을 찾아내었다.

• Proceedings of the KIEE Conference
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• 2006.04a
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• pp.141-143
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• 2006

한국을 비롯한 동양 금석학 정보 인식의 중요한 매체인 탁본을 디지털 영상데이터로 변환하여 영상 특성을 분석하고 수학적 모델을 구현한다. 이를 위해 역사적으로 유명한 대표적 탁본을 포함한 50여개의 탁본영상 샘플을 작위로 선택하였고, 샘플영상 속에 내재되어 있는 영역특성을 중심으로 통계분석을 시도하였다. 탁본 원영상은 흑백의 두 영역으로 분할되는 완벽한 이진영상인데 반하여, 관측영상은 탁본뜨기 수작업과정을 거치면서 영역간 색도의 혼재와 얼룩무늬와 문양이 전체 영상에 분포한다. 본래의 두 영역은 정보영역과 바탕영역으로 구분되나 이들 얼룩무늬들은 또 다른 영역들로 치부되어 주로 바탕영역에 산발적으로 분포되어 영상인식을 저해하는 요인으로 작용한다. 관측영상 속에 내재되어 있는 영역 본래의 특성과 본뜨기 수작업 과정에서 새로 생성되는 영역들 사이의 기하학적 차이를 통계적으로 분류 처리함으로 관측 탁본영상의 영역 특성의 추이를 추론할 수 있다. 분석 결과, 탁본영상은 영역간 극단적인 확률적 차이를 보였으며, 이 양극성은 곧 탁본 원영상의 속성이 수작업과 관측이라는 훼손 과정을 거치면서도 보존됨을 의미한다. 이를 근거로 영역 특성과 훼손 과정을 수학적으로 모델링하였고 정보영역 추출의 일차적 개연성을 제시하였다.