• KIISE Transactions on Computing Practices
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• v.22 no.9
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• pp.449-454
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• 2016

Radicals of Korean characters consist of some strokes, and complete letters are comprised of a combination of radicals. During the process of combining strokes and radicals, it requires a lot of effort as the size and the position of the components can be changed. Unlike this, METAFONT can improve the efficiency in the production process of fonts by changing its parameters. It also provides a system which can easily transform size and position of the strokes and radicals. We propose a structural Korean font generator which allows users to modify parameters of letters through METAFONT and generates a variety of fonts automatically. The suggested Korean font generator can be applied to font embedding and font editor.

• Journal of KIISE:Software and Applications
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• v.33 no.6
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• pp.580-587
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• 2006

As PDA, IMT-2000, and e-Book are developed and popular in these days, the number of users who use these products has been increasing. However, available memory size of these machines is still smaller than that of desktop PCs. In these products, TrueType fonts have been increased in demand because the number of users who want to use good quality fonts has increased, and TrueType fonts are of great use in Windows CE products. However, TrueType fonts take a large portion of available device memory, considering the small memory sizes of mobile devices. Therefore, it is required to reduce the size of TrueType fonts. In this paper, two-phase compression techniques are presented for the purpose of reducing the sire of hangul bitmap data embedded in TrueType fonts. In the first step, each character in bitmap is divided into initial consonant, medial vowel, and final consonant, respectively, then the character is recomposed into the composite bitmap. In the second phase, if any two consonants or vowels are determined to be the same, one of them is removed. The TrueType embedded bitmaps in Hangeul Wanseong (pre-composed) and Hangul Johab (pre-combined) are used in compression. By using our compression techniques, the compression rates of embedded bitmap data for TrueType fonts can be reduced around 35% in Wanseong font, and 7% in Johab font. Consequently, the compression rate of total TrueType Wanseong font is about 9.26%.

• 프린팅코리아
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• v.13 no.11
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• pp.117-117
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• 2014

한국폰트협회(회장 손동원)는 지난 9월 29일 국립중앙박물관 소강당에서 '디지털 시대, 한글로 새로운 실크로드를 만들다'라는 주제로 한글날 기념 세미나를 개최했다. 이번 세미나는 모노타입 특별후원, 대한인쇄문화협회, 서울시인쇄정보산업협동조합, 세종대왕기념사업회, 한글사랑운동본부 등의 후원으로 진행됐다.

• 프린팅코리아
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• v.9 no.12
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• pp.97-97
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• 2010

• Journal of the Korean Institute of Telematics and Electronics B
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• v.29B no.9
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• pp.17-26
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• 1992

This paper proposed an analysis method of common form for phonemes which is able to construct a Hangul syllable and designed the Choseong, Jungseong, and Jongseong phoneme fonts based on analized information. Also, It presents the algorithm which is able to construct the output of all Hangul syllables using 473 phoneme fonts. Through the experiment, an analized information and output algorithm could be applied to the design of Hangul fonts, effectively.

• Proceedings of the Korea Information Processing Society Conference
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• 2017.04a
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• pp.9-12
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• 2017

FreeType is a rasterizer which is commonly used in different operating systems like Linux, android etc. Although FreeType is open source but it is not easy to add/remove modules and services etc. for developers. This paper proposes a new module for FreeType named as FreeType Outlet adapter (FOA). It enables to add/remove modules, services, functionality etc. inside FreeType. It acts as the bridge to add functions from outside FreeType to the inner core of FreeType. New font formats like METAFONT, animated fonts and customized fonts which currently are not supported by FreeType can be added with this FOA module.

• Proceedings of the Korean Information Science Society Conference
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• 2001.04b
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• pp.493-495
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• 2001

본 논문에서는 문자 인식에서 두 단계의 식별과정을 통하여 인식률을 향상시키는 방법에 대하여 연구하였다. 한글 문자인식에서의 어려움은 인식대상 클래스가 많고 유사문자가 많은 반면, 여러 폰트의 글자를 하나의 글자를 하나의 클래스로 할 경우에는 그 문자의 분산이 더욱 커지게 되는 점이다. 따라서 본 연구에서는 문자의 분포를 고려하여 거리를 계산하는 Bayes에 의한 식별 함수를 1단계 인식과정에서 사용하여 1위 후보문자를 인식하였다. 2단계에서는 미리 준비된 1위 후부문자의 유사문자세트의 최적선형변환 공간에서 상세분류를 행하였다. 결과적으로 1단계의 Bayes거리반에 의한 인식률(91.1%)보다도, 또한 처음부터 모든 클래스에 대하여 최적선형변환에 의한 인식률(87.9%)보다 좋은 결과(92.9%)를 얻게되었다. 이로서 1단계의 대규모 문자세트에 대한 대분류에서는 문자의 분포를 고려하는 Bayes에 의한 인식이 유효하고, 2단계의 최적선형변환에 의한 인식은 소수의 유사문자들에 대한 변별력을 높이는데 유효함을 입증하였다.

• Journal of Korea Multimedia Society
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• v.25 no.9
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• pp.1328-1337
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• 2022

Recently, research on various font designs has been actively conducted to deliver effective emotional information in a digital environment. In this study, we propose a Hangul font outline vector modification algorithm that effectively conveys sensitivity according to weather information and can be transformed immediately. The algorithm performs a series of transformations: sets outlines according to design pattern templates, calculates the glyph's position to reflect physical rules, splits outline segments into smaller sizes and deforms the outlines. Through this, we could create several vector font designs such as humidity, cloud, wind, and snow. The usability evaluation was close to good, so it can be used in diverse ways if we improve readability and effective design expression.

• Proceedings of the Korean Society of Machine Tool Engineers Conference
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• 2004.10a
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• pp.352-357
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• 2004

The high speed machining center(HMC) has been widely applied to manufacture a die and machine elements product in industrial field. Because the evaluation for HMC is not sufficiently performed, ineffective machining is occasionally conducted in machining industry. In this study, the dynamic characteristics of newly developed machining center is evaluated under running condition and the machinability is investigated experimentally. Also, the in-process measuring instrument which can measure the tool wear on the machine were developed by using the CCD and exclusive jig and calibration instrument for tool wear measurement.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.23 no.9
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• pp.1070-1075
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• 2019

In this paper, I propose an algorithm to generate an input digit image for a digit recognition system by detecting a digit string in an image and segmenting the digits constituting the digit string. The proposed algorithm detects blobbed digit string through blob detection, designates a digit string area and corrects digit string skew using the detected blob information. And the proposed algorithm corrects the digit skew and determines the boundary points for the digit segmentation in the corrected digit sequence using three CPgraphs newly defined in this paper. In digit segmentation experiments using the image group including digit strings printed with a range of the font sizes and the image group including handwritten digit strings, the proposed algorithm successfully segments 100% and 90% of the digits in each image group.