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손재민(Jae-Min Son),김현성(Hyun-Sung Kim),부기동(Ki-Dong Bu) 한국정보과학회 2003 한국정보과학회 학술발표논문집 Vol.30 No.2Ⅰ
본 논문에서는 기존의 네트워크 기반의 침입탐지 시스템에 존재하는 취약성을 해결하기 위한 방법을 제안한다. 현재 대부분의 룰 기반의 침입탐지 시스템에서는 룰 자체를 보호하기 위한 방법을 제공하지 못한다. 이러한 문제를 해결하기 위해서 본 논문에서는 해쉬함수를 이용하여 룰 자체에 대한 보호를 제공할 수 있는 기법을 Snort를 기반으로 제안한다.
손재민 ( Jae-min Son ),진정우 ( Jung-woo Jin ),한기준 ( Ki-jun Han ) 한국정보처리학회 2005 한국정보처리학회 학술대회논문집 Vol.12 No.1
센서 네트워크에서는 응용에 따라 데이터 전송 방식을 몇 가지로 나눌 수 있다. 일반적으로 쿼리 기반의 데이터 전송방식에서는 싱크가 쿼리를 네트워크 전체에 플러딩하고 그 쿼리를 수신한 노드가 그 쿼리에 해당하면 감지한 데이터를 싱크까지 보고하는 방식을 취하고 있다. 하지만 특정 지역의 정보를 요구하는 쿼리일 경우에는 그 쿼리가 네트워크 전체에 플러딩된다면 불필요한 에너지 소모가 많이 발생하게 된다. 이를 해결하기 위하여 우리는 쿼리를 네트워크 전체에 플러딩하지 않고 특정지역으로만 쿼리를 전달하는 방법을 제안한다. 또한 실험을 통해서 쿼리를 플러딩하는 방법과 특정지역으로만 전달하는 방법을 비교하여 남아 있는 노드수와 평균 소비되는 에너지를 측정하여 제안한 방법이 센서 네트워크에서 중요시되는 생존시간 측면에서 더 우수함을 보였다.
중국 수출용 아웃도어 웨어 개발을 위한 중국 소비자의 한류에 대한 태도 및 착용실태 조사 - 중국인 관광객을 대상으로 -
김지은 ( Ji Eun Kim ),손재민 ( Son Jae Min ),김미라 ( Mi Ra Kim ),최혜선 ( Hei Sun Choi ) 한국의류산업학회 2014 한국의류산업학회지 Vol.16 No.4
This study is intended to offer basic data for developing outdoor clothing exported to China by identifying how Chinese consumers use outdoor clothing. To accomplish the objective, a survey was conducted on 300 male and female Chinese tourists in their 10s to 40s who have purchased outdoor clothing before. As more than twice as many respondents said they wear sweatsuit or everyday clothes for mountain-climbing instead of outdoor clothing, the necessity of outdoor clothing is obviously perceived at a low level. Among them, 57.4% wear outdoor clothing as townwear in everyday lives, and other respondents are dissatisfied with the design. Thus, it is necessary to develop townwear-style design. When buying outdoor clothing, wearability was the biggest consideration. Also, the first criteria for evaluating outdoor clothing was practicality for mountain-climbing activities. The functionality of outdoor clothing they needed the most was air permeability. As for outdoor clothing top, the main inconvenience was tightness around the neck. As for bottoms, it was tightness of pants when bending knees. In terms of areas to be improved, the No. 1 was unformed design. Thus, it is imperative to develop design of diverse styles. As the Chinese outdoor clothing market has grown significantly in recent years, the following should be executed by domestic companies before advancing to the market. First, they should form Korean brand image and boost the brand awareness with various activities, amid Korean Wave. Second, they should develop preferred designs among Chinese consumers and strengthen functionality of products, based on consumer survey.
조치우 ( Chi-woo Cho ),손재민 ( Jae-min Son ),한기준 ( Ki-jun Han ) 한국정보처리학회 2005 한국정보처리학회 학술대회논문집 Vol.12 No.1
본 논문에서는 센서 네트워크(sensor networks)의 가장 대표적인 MAC 프로토콜인 S-MAC 의 에너지 효율을 높이기 위한 새로운 ACK(Acknowledgement) 기법을 제안한다. S-MAC 의 데이터 전송절차는 Stop and Wait ARQ(Automatic Repeat Request) 방식을 사용하기 때문에 ACK 패킷으로 인한 불필요한 에너지 소비가 크다. 에너지 효율성은 센서 네트워크의 가장 중요한 고려사항이므로 불필요한 에너지 소비를 줄이는 새로운 ACK 기법을 제안한다. 우리는 시뮬레이션을 통해 S-MAC 과 제안된 ACK 기법의 에너지 효율을 비교했다. 시뮬레이션 결과에서 제안한 기법이 S-MAC 보다 에너지 효율성이 높았다.
지방종을 동반한 척추관협착증 환자의 복합한방치료 치험 1예
김미혜 ( Mihye Kim ),한수빈 ( Su-bin Han ),박병학 ( Byunghak Park ),손재민 ( Jaemin Son ),이남우 ( Nam-woo Lee ),한정훈 ( Jeong-hun Han ),강도현 ( Do-hyeon Kang ),민태운 ( Tae-woon Min ),안재서 ( Jae-seo Ahn ),이한솔 ( Hansol Lee 한방재활의학과학회 2020 한방재활의학과학회지 Vol.30 No.4
Spinal epidural lipomatosis is a rare disorder characterized by overgrowth of fat in the extradural space, causing spinal stenosis with compression of the neural elements. This study reports on the effectiveness of Korean medicine treatment on a patient who was diagnosed on lumbar stenosis with lipomatosis. The patient was treated with Korean traditional medicine including pharmacopucture, acupuncture, Chuna manual treatment, and Korean herbal medicine, cupping. Numerical rating scale (NRS), Oswestry disability index (ODI), Euroqol five dimension (EQ-5D) index, lumbar range of motion were used as objective tools for evaluating the patient’s progress. Back NRS decreased from 6 to 3. In the case of lower limbl radiation NRS, 5 was reduced to 3 upon discharge. EQ-5D index also increased from 0.751 to 0.766. For ODI, the score dropped from 26.67 to 24.44 on hospitalization. As a result, clinical improvements were found in a patient. In conclusion, this study shows that Korean medicine treatment can be considered as effective conservative care for spinal stenosis with lipomatosis. (J Korean Med Rehabil 2020;30(4):195-201)
한방병원에 입원한 요통 환자의 요추 전만각, 요천각 변화의 심각도에 따른 예후 분석 연구
한수빈 ( Su-bin Han ),김은산 ( Eun-san Kim ),김효준 ( Hyo-jun Kim ),조후인 ( Hoo-in Jo ),김미혜 ( Mi-hye Kim ),이남우 ( Nam-woo Lee ),한정훈 ( Jeong-hun Han ),박병학 ( Byung-hak Park ),손재민 ( Jae-min Son ),강도현 ( Do-hyeon Kang 한방재활의학과학회 2020 한방재활의학과학회지 Vol.30 No.4
Objectives To analyze the prognosis of patients with low back pain according to the severity of abnormal lumbar lordotic angle and Ferguson's angle. Methods Data from electronic medical record of a total of 199 patients hospitalized in Korean medicine hospital were analyzed. With the sagittal view of lumbar spine X-ray, lumbar lordotic angle was defined as the angle between the superior endplate of L1 with the inferior endplate of L5. Ferguson’s angle was defined as the angle between the superior surfaces of the sacral with a horizontal line. ‘Measure Cobb’s Angle Tool’ of ‘INFINITT PACS’ was used to measure both angles. Lumbar lordotic angle and Ferguson's angle were subdivided into five sections. The number of days from onset and the duration of hospitalization were analyzed in each section. Results Severe hypolordotic lumbar lordotic angle group were found to have longer medical history and hospitalization duration than the control group. The ratio of long-term hospitalization (over 15 days) and chronic medical history (over 180 days) of patients with severe hypolordotic Ferguson’s angle were significantly higher than the control group. The ratio of patients with chronic medical history (over 180 days) was significantly higher in severe hyperlordotic Ferguson's angle group than the control group. Conclusions Severe hypolordotic lumbar lordotic angle was related to patient’s prognosis. Both severe hyperlordotic and severe hypolordotic Ferguson’s angle were found to be related to patient’s prognosis. However, a moderate loss of lumbar lordotic angle and Ferguson’s angle was not related to prognosis of low back pain patients. (J Korean Med Rehabil 2020;30(4):143-154)