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강선미 서경대학교 산업기술연구소 1997 産業技術硏究所論文集 Vol.2 No.-
This paper proposes a binarization method that achieves an improved document reconition. The proposed method is focused to the scanned documents of 256 gray levels over which two cascaded processes take place. The objective is to enhance the gray levels of the characters while lowering the gray levels of the background. By maximizing the gray level difference of the two regions, an accurate binary character image is obtained from the original gray level image. The proposed algorithm is composed of two cascaded processes. The first part removes the background by means of the gray level histogram. The second part enhances the gray level of characters over the surrounding background by applying the edge decomposition algorithm.
강선미,김성규,서지호,김지윤,성우정,배성화,류헌모 영남대학교 의과대학 2014 Yeungnam University Journal of Medicine Vol.31 No.1
Extramedullary plasmacytoma (EMP) is a rare disease that occurs in 3% to 5% of patients with plasma cell disorder. It occurs most commonly in the upper respiratory tract and the oral cavity. Very few EMP cases have been reported in the central nervous system (CNS). We report herein an unusual case of EMP in the nasal cavity that recurred in the CNS without systemic involvement. A 67-year-old man visited our hospital due to a month-long bout with exophthalmos. He was diagnosed with EMP in the nasal cavity, paranasal sinus, and orbital cavity. He received radiotherapy to which he had complete responses. After 2 years, he visited our hospital because of a month-long headache. He was diagnosed with EMP recurrence in the CNS via brain magnetic resonance imaging and cerebrospinal fluid analysis. He was treated with whole brain radiotherapy and intrathecal chemotherapy with methotrexate, but he expired due to pneumonia.
강선미,정태의,Gang, Seon-Mi,Jeong, Tae-Ui 한국과학기술정보연구원 2001 지식정보인프라 Vol.6 No.-
현재 진행되고 있는 XML 응용분야의 표준은 각 분야별로 구체적으로 진행되고 있으며 이러한 시점에서 AT&T, 루슨트 테크놀로지스, 모토롤러 등 3사는 전화와 인터넷 서버와의 연동을 음성 처리 기술을 바탕으로 하여 기존 인터넷의 다양한 정보를 검색 처리할 수 있는 VXML(Voice Extensible Markup Language)이라는 인터넷 음성처리 표준안을 마련하고 있다.
문자인식을 위한 특징벡터의 부분 정보를 이용한 대분류 방법
강선미,오근창,황승욱,양윤모,김덕진 한국통신학회 1993 韓國通信學會論文誌 Vol.18 No.1
본 논문에서는 문자 인식을 위한 효율적인 대분류 방법을 제안하였다. 기존의 대분류 방법은 입력된 문자를 인식 대상문자마다 미리 작성된 표준 특징벡터와 유사와 계산에 의해 인식 후보문자들을 선정하는 것이었으나, 제안한 대분류 방식은 유사한 문자들을 같은 그룹으로 모아서 그 그룹에 속한 문자들의 평균 값을 대표값으로 사용하는 것이다. 문자의 영역을 몇개의 소영역으로 분할하고, 각 소영역에 해당되는 부분벡터로 ISODATA 알고리즘을 이용하여 적당한 수의 그룹을 형성한다. 입력분자의 부분정보에 해당되는 소영역의 부분특징벡터와 대응되는 그룹들과의 거리를 계산한 후, 부분과의 거리 값을 최종적으로 다시 모아서 전체 거리 정보로 이용한다. 이러한 대분류 방법은 일반적인 방법에 비해 처리속도 면에서의 향상과 분류면에서의 확실성을 갖게 되었다. In this paper a effective classification method for character recognition is proposed. The existing classification methods select candidates by comparing an unknown input character, with all the standard patterns based on the similarity measur. The proposed method, however, groups similiar characters together and uses their average distance as representative value of the group. We divided the character region into several sub-region and applied ISODATA algorithm to partial vectors of each sub-region to anstruct appropriate number of groups. After computing the distance between partial feature vector and its mapping group, we could collect all the information of input character ultimately. The proposed method showed improvement in the processing speed and certainty in classification than the existing methods.
강선미,고두민,김대용,서강문 한국임상수의학회 2018 한국임상수의학회지 Vol.35 No.4
A 6-year-old spayed female American Cocker Spaniel presented with episcleritis in the right and then theleft eye (OS) at eight month interval. Repeated intralesional triamcinolone acetonide was administered subconjunctivallyto both eyes (OU). During this period, scleral ectasia was revealed on ocular funduscopy OS and then confirmedon ultrasonography and computed tomography. A year later, conjunctival hyperemia occurred around remnanttriamcinolone particles and was treated by resection of these particles in the OU. A recurrence of episcleritis, whichdid not regress, required repeated triamcinolone subconjunctival injections four months later in the OU. Four monthsafter these injections OU, the dog was presented with bilateral conjunctival mass, which had developed over the previousmonth. The round-shaped masses with diameters of 1 cm were surgically resected from exposed scleral ectasia lesionof thin and bulging scleral surface in the OU. The cross-section of both masses showed a white-colored accumulationat the center and triamcinolone induced granulomas enclosing necrotic tissue were confirmed by impression cytologyand histopathological examination.