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권용일,한상훈,Kwon, Yong-Il,Han, Sang-Hoon 한국주거학회 2011 한국주거학회 논문집 Vol.22 No.1
This study examines the characteristics and the degree of inhabitant's mental against to their residential environment which was developed within the boundary of Haedo Dong in Pohang City during the 1970s and the early of 1980s and currently designated as programed site for Urban Maintenance Project. Findings from the study are as follows; First, the numbers of household occupied by lessee were greater than the numbers of household occupied by homeowner. Second, most of the lessee was living in single family household. Third, although the degree of satisfaction for their residential environment was not so good in general perspectives the degree of satisfaction of the long term residents for their residential environment was slightly higher than the others. Fourth, the degree of satisfaction for their neighborhood was the most while the degree of satisfaction for public facilities such as parks was the least. Fifth, Urban maintenance project shall be proceeded to raise re-settlement ratio of residents, to enforce a business by steps, to lead positively participation of a resident and to enlarge role of administration.
공동주택에 적용된 공용 수직덕트시스템의 풍량제어방식에 따른 에너지소비량 예측에 관한 연구
권용일(Yong-Il Kwon) 대한설비공학회 2018 설비공학 논문집 Vol.30 No.7
This study was carried out to predict the amount of energy consumed by a ventilator installed in the terminal end of a common duct system. It is in which that the partial load control is generally performed. The air volume rate for the central ventilation system of the kitchen and bathroom of each household in an apartment is exhausted through a common duct system regardless of the position of each household within the complex. This air volume rate should be the same regardless of the location of each household. Since the common duct system is installed vertically, and is installed ventilator in terminal for the effective ventilation. Also, the pressure difference of each household increases with the vertical height. Thereby, the air volume rate exhausted on each household becomes different. KARSE has established a standard for constant static pressure ventilators with a constant flow rate damper in the branch duct of the common duct system. A control strategy for partial load control that can save energy must be considered in ventilation systems with common ducts. This paper compares the energy consumption of two control methods and suggests an energy saving control system.
지형/지물 이미지 데이터베이스를 위한 형태 기반의 특징 추출 방법
권용일 ( Yong-il Kwon ),박호현 ( Ho-hyun Park ) 한국정보처리학회 2005 한국정보처리학회 학술대회논문집 Vol.12 No.1
지형/지물 이미지, 특히 항공·위성사진의 경우 대부분 비슷한 색상과 질감을 갖는다. 따라서 지형/지물 이미지 데이터베이스에서 질의 이미지를 효율적으로 검색하기 위해 이미지의 형태 특징을 이용해야 한다. 본 논문은 지형/지물의 형태 특성을 고려한 형태 특징 추출 방법을 제안한다. 이 방법은 기존의 직각 좌표계를 이용한 투영 방법을 발전시킨 것으로 원형 좌표계를 이용하여 일정 간격의 방향에서 투영 연산을 수행한다. 이를 통해 본문에서 언급하는 세 가지 특징을 추출한다. 이 방법은 이미지의 방향/크기/위치에 관계없이 이미지의 형태 특징을 추출 할 수 있다. 기존의 형태 특징 추출 방법인 CSS 방법과 비교·실험을 통해 본 논문에서 제안한 방법의 성능과 장점을 보인다.
권용일(Yong Il Kwon),권동진(Dong Jin Kwon),박태철(Tae Chul Park),이진우(Jin Woo Lee),김수평(Soo Pyung Kim) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.10
An isolated granulocytic sarcoma (chloroma) of the left ovary occured in the absence of leukemia in a 12-year-old woman. This lesion is defined as a localized tumor mass composed of immature cells of the granulocytic series. Granulocytic sarcomas can occur at extramedullary sites including ovary but, isolated myelosarcoma in the absence of usual manifestations of AML may be rare and has some difficulties in diagnosis. Contrary to findings in other series, granulocytic sarcoma arising in this nonleukemic patient did not progress to acute leukemia during two years she has been followed.
권용일(Yong-il Kwon) 대한설비공학회 2014 설비공학 논문집 Vol.26 No.5
The objective of the present study was to identify ventilation problems, and also to suggest new axial fan systems for the improvement of IAQ in the underground parking lots. Numerical results for air mean-velocity, local mean age, and sound power level are presented along with some of fan angles. The results showed the influence of airflow patterns on the fan performances installed in the underground parking lots. Discharge air volume is increased with the angle of the blade. And also, the main factors affecting the noise of the ventilation fan was found to be a rotational speed.
권용일(Yong-Il Kwon),김두성(Doosung Kim),한화택(Hwataik Han) 대한설비공학회 2012 대한설비공학회 학술발표대회논문집 Vol.2012 No.11
Recently, the Korea-US FTA was signed. In order to gain competitive power in all divisions of the domestic industry, Technical standards should be internationalized. The purpose of this study is to present a plan for the advancement of technology in the field of Building Mechanical facility. First, We review the configuration of the IMC established in the United States. Configuration method of the IMC was confirmed by ventilation system,
지형/지물 이미지 데이타베이스를 위한 형태 특징 추출 방법
권용일(Yong-Il Kwon),박호현(Ho-Hyun Park),이석룡(Seok-Lyong Lee),정진완(Chin-Wan Chung) 한국정보과학회 2006 정보과학회논문지 : 데이타베이스 Vol.33 No.4
항공 및 위성 사진과 같은 지형/지물 이미지는 대부분 비슷한 색상과 질감을 갖는다. 따라서 지형/지물 이미지 데이타베이스에서 질의 이미지를 정확하게 검색하기 위해서는 이미지의 형태 특징을 추출하는 것이 매우 중요하다. 본 논문에서는 지형/지물 이미지 검색을 위한 형태 특징 추출 방법을 제안한다. 이 방법은 이미지내 홀(hole)이 있거나 이미지가 연결되지 않은 영역들로 구성되어 있을 경우에도 형태 특징들을 효과적으로 추출할 수 있다. 그리고 세그멘테이션(segmentation)과 같은 특징 추출의 전처리 과정(pre-processing)에서 발생할 수 있는 오류에 강인하다. 본 논문에서 제안하는 방법이 기존의 방법들보다 우수함을 다양한 이미지 검색 실험을 통해 보인다. Topographical images such as aerial and satellite images are usually similar with respect to colors and textures but not in shapes. Thus shape features of the images and the methods of extracting them become critical for effective image retrieval from topographical image databases. In this paper, we propose a shape feature extraction method for topographical image retrieval. The method extracts a set of attributes which can model the presence of holes and disconnected regions in images and is tolerant to pre-processing, more specifically segmentation, errors. Various experiments suggest that retrieval using attributes extracted using the proposed method performs better than using existing shape feature extraction methods.