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윤현조,정형은,안하림,강상율,정성후 대한외과초음파학회 2023 대한외과초음파학회지 Vol.10 No.1
Breast cancer is the most commonly diagnosed cancer in women and its incidence and the mortality associated with it have increased over the years. Early detection of breast cancer via various imaging modalities can significantly improve the prognosis of patients. Ultrasound is a useful imaging tool for breast lesion characterization due to its acceptable diagnostic performance and non-invasive and real-time capabilities. However, one of the major drawbacks of ultrasound imaging is operator dependence. Artificial intelligence (AI), particularly deep learning, is gaining extensive attention for its excellent performance in image recognition. AI can make a quantitative assessment by recognizing imaging information, thereby improving ultrasound performance in the diagnosis of breast cancer lesions. The use of AI for breast ultrasound in clinical practice is extremely important, as it saves time, reduces radiologist fatigue, and compensates for a lack of experience and skill in some cases. This review article discusses the basic technical knowledge required, the algorithms of AI for breast ultrasound, and the application of AI in image identification, segmentation, extraction, and classification. In addition, we also discuss the future perspectives for the application of AI in breast ultrasound.
인적 및 직무특성과 보안교육 이수율 및 사이버테러 대응과의 연관성 분석
신현조,이경복,박태형 (사)디지털산업정보학회 2014 디지털산업정보학회논문지 Vol.10 No.4
The development of ICT has led positive aspects such as popularization of Internet. It, on the other hand, is causing a negative aspect, Cyber Terror. Although the causes for recent and continuous increase of cyber security incidents are various such as lack of technical and institutional security measure, the main cause which threatens the cyber security is the users' lack of awareness and attitude. The purpose of this study is the positive analysis of how the personal and job characteristics influence the cyber security training participation rate and the response ability to cyber terror response training with a sample case of K-corporation employees. In this paper, the relationship among career, gender, department, whether he/she is a cyber security specialist, whether he/she is a regular employee), “ratio of cyber security training courses during recent three years”, “ratio that he/she has opened the malicious email in cyber terror response training during recent three years”, “response index of virus active-x installation (higher index means poorer response)” is closely examined. Moreover, based on the examination result, the practical and political implications regarding K-corporation's cyber security courses and cyber terror response training are studied.
Intracranial Anaplastic Astrocytoma after Radiotherapy for Craniopharyngioma
권현조,송시헌,김선환,최승원 대한신경외과학회 2004 Journal of Korean neurosurgical society Vol.35 No.5
The authors describe a case of 17-year-old male with anaplastic astrocytoma in the basal ganglia and brain stem 11 years after surgical excision and local irradiation(5480cGy) for craniopharyngioma. There is no recurrence at the primary tumor site. Because of a geometric coincidence between the tumor location and the radiation field, radiation therapy is strongly implicated as a cause of this anaplastic astrocytoma.
권현조(Hyun Joe Kwon),전길수(Kilsoo Chun),이재일(Jae-il Lee) 한국정보보호학회 2005 情報保護學會誌 Vol.15 No.2
정보통신환경발달과 함께 지식사회에서 암호의 역할이 증대됨에 따라 OECD의 암호정책가이드라인 공표를 시점으로 각 국은 자국의 설정에 맞는 새로운 암호정책을 세우고 이에 따른 법ㆍ제도를 정비하기 위해 본격적인 노력을 기울여오고 있다. 하지만 암호는 개인의 프라이버시를 보호할 수 있는 가장 유용한 수단인데 반해 암호의 범죄이용 등으로 연한 국가의 안녕과 법질서 혼란을 초래할 수 있다는 역기능도 상존하고 있다. 각 국의 정부는 이러한 우려 때문에 암호이용을 제한적으로 규제하려는 정책을 시도하여 왔으나 시민단체의 반대에 부딪쳐 암호의 자율이용 원칙과 국가의 합법적 통제제도의 균형을 맞출 수 있는 암호정책을 세우는데 고심하고 있다. 본 고에서는 미국, 영국, 프랑스, 중국 등 주요 국가를 중심으로 암호이용을 활성화하고 암호의 역기능을 방지하기 위해 세운 암호정책 및 암호이 용 관련 법제도 현황을 살펴보았다.
강현조(Kang Hyun-cho) 우리말글학회 2007 우리말 글 Vol.41 No.-
Lee In Gik's 〈Hyul-e-nu(blood tears)〉 is the important SINSOSEOL(early modern novel) which is marked at the top of a list in the history of Korean novel. However, it has not studied minutely how it's canon text had been built. This study will investigate not only the original text of 〈Hyul-e-nu(blood tears)〉, but also consider critically several points raised at the edition arranged by current korean language. The edition arranged by current korean language has many faults and distorted the original text. But these problems has not be pointed. Through DONGYANGSEOWON edition published in 1912 this study confirmed that 〈Hyul-e-nu(blood tears)〉 had been published three in book form Lee In Gik's lifetime. It is needed to compare these texts closely because they were adapted remarkably.