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김만조 ( Man Jo Kim ),차승훈 ( Seung Hoon Cha ),고보연 ( Bo Yeon Koh ) 大韓遠隔探査學會 2003 大韓遠隔探査學會誌 Vol.19 No.4
본 논문에서는 외부표정요소(EOP)를 지상기준점을 이용하여 계산하는 기존의 방식과는 달리, 위성의 궤도자료와 영상촬영기하를 이용하여 EOP를 계산하고 지상기준점을 이용하여 모델오차를 보정하는 방식의 카메라모델링 기법을 제시하고 있다. 제시한 기법은 영상보조파일로부터 궤도자료, 센서의 촬영각도 및 영상중심 촬영시간 등을 추출하여 위성의 영상획득당시의 실제 기하를 최대한 충실히 재구성하여 모델링을 수행하며 외부표정요소를 일차 또는 이차의 다항식으로 근사하지 않는다. 이와 같이 수립된 카메라모델을 통해 기존의 방법에 비해 적은 한 두개 정도의 지상기준점으로 영상화소 수준의 RMSE를 얻을 수 있었으며 모델오차 보정을 위한 지상기준점이 영상라인방향으로 고루 분포하지 않아도 된다. 이러한 장점은 대형 프로젝트에서의 지상기준점 취득을 위한 비용을 획기적으로 절감할 수 있을 뿐 아니라 비접근 지역에 대한 위치정보 획득에 대한 가능성을 제시하고 있다. In this paper, a camera modeling method that utilizes ephemeris data and imaging geometry is presented. The proposed method constructs a mathematical model only with parameters that are contained in auxiliary files and does not require any ground control points for model construction. Control points are only needed to eliminate geolocation error of the model that is originated from errors embedded in the parameters that are used in model construction. By using a few (one or two) control points, RMS error of around pixel size can be obtained and control points are not necessarily uniformly distributed in line direction of the scene. This advantage is crucial in large-scale projects and will enable to reduce project cost dramatically.
論文(논문) : 무인항공기 자동이착륙을 위한 레이다 비콘 시스템의 추적필터 설계
김만조 ( Man Jo Kim ),황치정 ( Chi Jung Hwang ) 한국항공운항학회 2013 한국항공운항학회지 Vol.21 No.1
This paper presents a tracking filter of radar beacon system (RBS) for automatic takeoff and landing of an unmanned aerial vehicle. The proposed tracking filter is designed as the decoupled tracking filter to reduce the computational burden. Also, an adaptive estimation method of the measurement error covariance is proposed to provide an improved tracking performance compared to the conventional decoupled tracking filter whenever the accuracy of RBS observations is degraded. 100 times Monte Carlo runs performed to analyze the performance of the proposed tracking filter in case of normal operation and degraded operations, respectively. The simulation results show that the proposed tracking filter provides the improved tracking accuracy in comparison with the conventional decoupled tracking filter.
임상연구 : 부분마취 환자에서 수술 중과 수술 후의 음악이 수술 후 불안과 긴장 완화에 미치는 영향
김만조 ( Man Jo Kim ),이동준 ( Dong Jun Lee ),한미애 ( Mi Ae Han ),하경호 ( Kyoung Ho Ha ),김문철 ( Moon Chul Kim ),조강희 ( Kang Hee Joh ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.50 No.4
Background: Music influences the body and mental well-being of humans. Almost all patients undergoing surgery experience perioperative anxiety. This study was designed to determine the effect of music during surgery and the post-operation period under regional anesthesia on the level of anxiety, relaxation and fatigue. Methods: Sixty-four patients who underwent orthopedic surgery under regional anesthesia were randomly assigned to Group 1 (listening to music) and Group 2 (no music). The premedication and anesthesia were standardized for both groups. The level of anxiety, fatigue and psychological well-being were examined as outcome variables. Results: The level of anxiety and psychological well-being was significantly lower (anxiety:P = 0.012, psychological well-being:P = 0.006) in Group 1 than in Group 2. The level of fatigue was similar in both groups. Conclusions: The results suggested that music might be effective in reducing the level of intra and post-operative anxiety and improving the psychological well-being of patients undergoing surgery under regional anesthesia. (Korean J Anesthesiol 2006; 50: 444~8)
SPOT 위성영상의 스트립 센서모델링을 이용한 비접근지역 위치결정 연구
김만조,황치정,Kim, Man-Jo,Hwang, Chi-Jung 한국군사과학기술학회 2012 한국군사과학기술학회지 Vol.15 No.2
In this paper, a strip modeling method is developed for the acquisition of target positions in remote area and validated using the imagery of SPOT satellite. This method utilizes the parameters given in header files and constructs a camera model without ground control points. In most cases, the root mean squared error of check points is less than pixel size with one ground control point. The model error of reference image is evaluated using ground control points and used to remove the model error of target images acquired along the same satellite orbit, which enables one to calculate target positions in remote area where no ground control points are available.
김만조 ( Gim Man Jo ),이욱 ( Lee Ug ),황명수 ( Hwang Myeong Su ),김선창 ( Kim Seon Chang ),이문호 ( Lee Mun Ho ) 한국산림과학회 2003 한국산림과학회지 Vol.92 No.4
This study was conducted to provide basic data for chestnut breeding program and the morphological identification system of chestnut cultivars using Korean prevailing chestnut cultivars. European and Chinese chestnut cultivars. There were significant differences among cultivars in blooming time. Cultivars derived from Chinese chestnut showed later blooming patterns than Japanese chestnut cultivars. In most of cultivars, the full blooming period of pistillate flower considered to be optimum for pollination was about 4 days. In the fructification rate, `Tsukuba` showed highest(82.1%), while `Tono 2` was lowest(34.5%). In the optimum harvesting time, the early-maturing cultivar `Moriwase` was earliest at 1 September, while the late-maturing cultivar `Banseki` latest at 13 October. The harvesting period showed significant differences among cultivars, and `Tanzawa`, `Otanba` and `Hamjongyul` were shortest(8 days), while‘Riheiguri` and `Tsukuba` were longest(〉2 weeks). Soluble solids content of nut measured immediately after harvest varied between 9.6% in `Isseumo` to 22.2% in `Hamjongyul`. Nearly cultivars derived from Chinese chestnut showed higher values than Japanese chestnut cultivars in soluble solids content, and nut hardness was similar to soluble solids content. With respect to percentage of polyembryonic nuts, most of cultivars were below 5%, but `Tono 2` was highest(11.2%) resulted in depreciating market values. Percentage with the pericarp split was below 5% in most of cultivars, but `Daab` was highest(32.4%) inferior to other cultivars The UPGMA dendrogram based on nut characteristics was devided into three groups in genetic distance 1.0, and `Hamjongyul`, `Pyungyangyul` and `Cheonjinyul` were distinguished from other cultivars
숙성(熟成) 진석화(眞石花)젓의 당(糖) 및 유리(遊離) 아미노산(酸)에 관(關)하여
김형수,김만조,이춘영,Kim, Hyeong-Su,Kim, Man-Jo,Lee, Chun-Yeong 한국응용생명화학회 1964 Applied Biological Chemistry (Appl Biol Chem) Vol.5 No.1
1) 진석화(眞石花)젓은 그 수분함량(水分含量)이 생(生)굴에 비(比)하여 상당(相當)히 감소(減少)하여 농축(濃縮)된 상태(狀態)이며, glycogen의 함량(含量)도 격감(激減) 하였음에 반(反)하여 유리당(遊離糖)은 현저(顯著)하게 증가(增加)되었다. 2) Paper chromatography로 시료(試料) 즙액중(汁液中)에서 검출(檢出) 확인(確認)된 유리(遊離) 아미노산(酸)는 aspartic acid, glutamic acid, cystine, serine, glycine, lysine, threonine histidine, alanine, arginine, valine, methionine, tyrosine, phenylalanine, leucine, iso-leucine, tryptophan 등 17종(種)이 였으며, 영양상(榮養上) 필수(必須) amino acid를 전부(全部) 함유(含有)하고 있었다. 3) 비색정량법(比色定量法)에 의(依)해서 정량(定量)된 시료(試料) 즙액중(汁液中) 유리(遊離) 아미노산(酸)의 함량(含量)은 Tyr. 0.264mg/ml, Arg. 0.304mg/ml, Try. 0.046mg/ml, His. 0.460mg/ml, Met. 0.350mg/ml, Cys. 0.440mg/ml, phe. 0.115mg/ml 이었다. 1) The Moisture and glycogen contents of salted-oyster (Zin Suk Hwa Jut) were much less than those of raw oyster, while the free sugar content was dominent. 2) The amino acids were detected and identified as aspartic acid, glutamic acid, cystine, serine, glycine, lysine, threonine, histidine, alanine, arginine, valine, methionine, tyrosine, phenylalanine, leucine, iso-leucine and tryptophan in the juice of salted-oyster by using the method of paper chromatography, and the all essential amino acids from nutritional view point was admitted in this juice. 3) The juice contained 0.264mg/ml of tyrosine, 0.304mg/ml of arginine, 0.046mg/ml of tryptophan, 0.460mg/ml of histidine, 0.350mg/ml of methionine, 0.440mg/ml of cystine and 0.115mg/ml of phenylalanine.
Radarsat-1 SAR 신호처리 S/W 개발 및 검증
고보연 ( Bo Yeon Koh ),김만조 ( Man Jo Kim ),이석호 ( Seok Ho Lee ) 大韓遠隔探査學會 2005 大韓遠隔探査學會誌 Vol.21 No.6
SAR 기술은 일반 레이더 분야와는 달리 영상을 제작해야 하므로 각종 신호처리 기술들이 필요하다. 이러한 기술들은 선진국에서 기술이전을 회피하는 분야로써 향후 항공기, 위성 및 무인기 SAR 체계를 국내 개발함에 있어 반드시 확보해야 할 분야이다. 본 연구에서는 SAR 영상 제작과 관련된 핵심기술들을 연구하고 실제로 활용도가 높은 상용 SAR 위성인 Radarsat을 대상으로 ASPR(ADD SAR Processor for Radarsat)을 자체 개발하고 성능을 검증해 봄으로써 향후 운용될 각종 SAR 체계에 필요한 영상제작 기술을 확보하고 국내개발 가능성을 검토해 본다. 개발된 ASPR의 성능비교를 위해 선진국 SAR 전문 업체인 MDA 및 Vexcel사에서 개발한 SAR Processor를 이용하여 비교 영상을 제작하였다. SAR signal processing technique has been considered a crucial technical part in order to generate an image from radar signal data and ADD (Agency for Defense Development) has focused on this area for years to develope our own SAR Processor for various SAR systems (Radarsat, ERS, KOMSAR). In this paper, we investigated major techniques related to generation of SAR images and developed ASPR (ADD SAR Processor for Radarsat) practically using the commercial Radarsat-l radar signal data (RAW). We demonstrated the performance of the ASPR in comparison with the image generated by MDA and Vexcel`s SAR Processor (FOCUS).