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반도체 불량원인 분석을 위한 딥뉴럴네트워크 기반의 패치 이미지 병합 시스템
손성빈(Sung-Bin Son),이선훈(Seon-Hoon Lee),박주찬(Joo-Chan Park),정준욱(Jun-Uk Jung),박용준(Yong-Joon Park),오흥선(Heung-Seon Oh) 제어로봇시스템학회 2021 제어·로봇·시스템학회 논문지 Vol.27 No.8
In the integrated circuit/chip manufacturing process, failure analysis performed to find defects utilizes high-resolution chip images obtained through auto-shot scope equipment, which combines microscopy and automatic photography. However, due to the incorrect focus and the unexpected overlap size depending on the distance between the microscope and the chip, these systems are noisy. Thus, failure analysis cannot be performed effectively because the individual conduction the examination is exposed to noisy images, thereby taking a long time. We proposed a system called DeepMerge that utilizes deep learning-based learning-based features such as pint extraction and feature matching to overcome the aforementioned challenges. We will be indicating the effectiveness and efficiency of our system by obtaining practical image data from the industry.
손성빈(Sung Bin Son),최훈(Hoon Choi),한성식(Sung Shik Han),강영숙(Young Suk Kang),박영준(Young Jun Park),이제훈(Je Hoon Lee),김복린(Bok Lin Kim),조용균(Yong Kyoon Jo),박교훈(Kyo Hoon Park),이철민(Chul Min Lee),이홍균(Hong Kyoon Lee) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.2
Fetal intussusception is not common and the underlying mechanism triggering the event is not known at present. There are few reports of successful diagnosis in fetus with prenatal ultrasongraphy. It may be detected by meconium peritonitis. Meconium peritonitis is a nonbacterial foreign body reaction or chemical inflammation by intestinal perforation result from intestianl atresia, intussusception and fetal bowel obstruction. Recently we experienced a 33+1 weeks of gestational fetus with fetal intussusception who had prenatal ultrasonographic detection with meconium peritonitis, and the infant was underwent postnatal laparotomy. We present this case with a brief review of literature.
딥 앙상블을 이용한 딥러닝 기반의 항공 이미지 객체 탐지
박주찬(Joo-Chan Park),손성빈(Sung-Bin Son),이선훈(Seon-Hoon Lee),정준욱(Jun-Uk Jung),박용준(Yong-Jun Park),오흥선(Heung-Seon Oh) 제어로봇시스템학회 2021 제어·로봇·시스템학회 논문지 Vol.27 No.12
Object detection in aerial images is continuously studied for various purposes such as national security, disaster monitoring, and meteorological observation. It is difficult to improve recent object detection methods based on a single model using deep learning due to severe class imbalance. This paper proposes a deep ensemble method combining two models with different strengths and a class-dependent thresholding method by considering the object distribution. We demonstrate the superiority of our methods in a series of experiments. In addition, we take 1st place in both public and private scores in the Arirang satellite image AI object detection contest.
가역적 후백질 뇌병증 증후군(Reversible Posterior Leukoencephalopathy)이 동반된 자간증 1례
최준원 ( Joon Won Choi ),한성식 ( Sung Shik Han ),손성빈 ( Sung Bin Son ),최영숙 ( Young Sook Choi ),민현주 ( Hyun Ju Min ),이철민 ( Chul Min Lee ),박교훈 ( Kyo Hoon Park ),조용균 ( Yong Kyoon Jo ),최훈 ( Hoon Choi ),김복린 ( Bok 대한주산의학회 2001 Perinatology Vol.12 No.3
내과적 치료 실패가 예상되는 자궁외 임신에서 다회 methotrexate 화학요법
민현주(Hyun Ju Min),한성식(Sung Shik Han),최준원(Jun Won Choi),손성빈(Sung Bin Son),최영숙(Young Suk Choi),이철민(Chul Min Lee),김복린(Bok Lin Kim),최훈(Hoon Choi),조용균(Yong Kyoon Cho),박교훈(Kyo Hoon Park),이홍균(Hong Kyoon Lee) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.11
Objective : The purpose of this study was to determine the efficacy of multiple dose methotrexate (MTX) chemotherapy approved as a primary treatment of ectopic pregnancy in suspected medical treatment failure of ectopic pregnancy. Methods : This study included 77 hemodynamically stable high risk ectopic pregnants diagnosed from January 1995 to June 2000 at department of Obstetrics & Gynecology, Sanggye Paik hospital, Inje university. High risk criteria of our study were adnexal ectopic mass 3.5 cm or serum β-hCG 4,000 mIU/ml or presence of fetal heart beat(FHB) or presence of peritoneal fluid and fresh blood on culdocentesis. Statistics were analyzed with 2-test, Student χ2-test and odds ratio of each risk factors. Results : The response rate of multiple dose MTX chemotherapy was 85.7%(66/70). There was no statistically difference of risk factors between success and failure group except fetal heart beat. Among 11 failure patients, there were 3 patients with adnexal ectopic mass 3.5 cm (odds ratio=1.4, 0.3∼5.7), 3 patients with presence of FHB, 7 patients with presence of peritoneal fluid(odds ratio=1.0, 0.3∼3.8), 8 patients with serum β-hCG 4,000 mIU/ml (odds ratio=2.8, 0.7∼11.6). Conclusion : There results suggest that multiple dose MTX chemotherapy can be treated regardless of ectopic mass size, presence of pretoneal fluid, serum β-hCG level. But we must pay attention to treat ectopic pregnancy with presence of fetal heart beat.
불확실성을 이용한 딥러닝 기반의 항공 이미지 객체 탐지
박주찬(Joo-Chan Park),이선훈(Seon-Hoon Lee),정준욱(Jun-Uk Jung),손성빈(Sung-Bin Son),오흥선(Heung-Seon Oh),정유철(Yuchul Jung) 제어로봇시스템학회 2020 제어·로봇·시스템학회 논문지 Vol.26 No.11
Object detection in aerial images is an important task because it is used in various applications such as land management, disaster monitoring, national security, and map production, However, owing to the characteristics of aerial images, such as high resolution, data imbalance between classes, lack of data, and densely appearing objects, it is difficult to improve the performance even with the recent deep learning-based object detection models. To overcome these challenges, this paper proposes an uncertainty-based max-margin learning method and a data augmentation method based on attribute transformation specialized for aerial images. The superiority of the proposed methods based on a deep learning-based object detection model is revealed by it winning the aerial image object detection contest 2020.
손성빈 木浦海洋大學校 1996 論文集 Vol.4 No.2
There are several factors to be considered in stowage planning to achieve safety ship, cargoes and efficient cargo operation. In this paper, it is studied general factors to be introduced in stowage planning, analyzed the characteristics of it and tried to be get reasonable procedures and solutions for the most suitable stowage of cargoes.