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Analyzing Activity for Estrus Detection in Korean Native Cattle
곽호,김기영,김동균,이상정 한국지식정보기술학회 2015 한국지식정보기술학회 논문지 Vol.10 No.2
Existing estrus detection products operation inconvenience, due to the reliability of the device degradation problems estrus detection probability is lower. In addition, most existing studies was the study of estrus detection of milk cows in large-scale farms studies on Korean Native Cattle farms was not realized. In this paper, discerned using a 3-axis accelerometer to determine the estrus state of Korean Native Cattle. The Korea Native Cattle estrus detection system proposed in this paper consists of these, the three-axis acceleration sensor, sensor network uses Zigbee communication, a base station, field server and database servers. When there is no movement the value of the three-axis acceleration sensor is 1000 due to gravity, the acceleration sensor attached to the cattle’s neck causes a feeble change even though there is no movement of cattle. In this paper, due to the no activity of Korean Native Cattle, censed weak values of sensor are filtered out. In the experiment the sensor data acquisition activities that occur during the actual targeting Cattles at the Cattle farmer by the three-axis acceleration sensor X, Y, Z-axis values analyzed through SVM algorithm output’s one representative value and ISVM algorithm which output integral average. In addition, to determine Korean Native Cattle’s estrus time, activity data collected and compared by 3 hours, 6 hours integral. ISVM algorithm was validated by experimental results that the appropriate algorithm for the Korean Native Cattle’s activity analysis.
老人福祉施設의 冬.夏節期 室內 溫熱環境 測定 및 溫熱感 評價
곽호,류우동,황광일,홍원화,Kwak, Ho,Ryoo, Woo-Dong,Hwang, Kwang-Il,Hong, Won-Hwa 한국주거학회 2003 한국주거학회 논문집 Vol.14 No.1
This study aims to survey the living spaces of the welfare facilities for the aged to get the objective relationships between the physical thermal environment and the users' subjective responses. The surveys were made twice in winter and once in summer during 2001 and 2002. An ambient temperature, relative humidity, air velocity, globe temperature were measured as physical elements of thermal environment and the ASHRAE Psychophysical Voting Scale were used as an evaluation index for subjective responses. As the results, the aged respond thermally comfortable, in spite of the differences among important factors such as thermal sensations, humidity sensations and air velocity sensations. Also the physical thermal environmental elements and the subjective responses indices exceed thermal comfort range calculated by PMV(Predicted Mean Vote) and PPD(Predicted Percentage Dissatisfied). It shows that the insulation of walls of the facilities is not enough for heating and cooling seasons, and the indoor environmental control is necessary.
Recent Advancements of Treatment for Leptomeningeal Carcinomatosis
곽호신,Sang Hyun Lee,박원서,Sang Hoon Shin,유헌,이승훈 대한신경외과학회 2015 Journal of Korean neurosurgical society Vol.58 No.1
Treatment of Leptomeningeal carcinomatosis (LMC) from solid cancers has not advanced noticeably since the introduction of intra-cerebrospinal fluid (CSF) chemotherapy in the 1970’s. The marginal survival benefit and difficulty of intrathecal chemotherapy injection has hindered its wide spread use. Even after the introduction of intraventricular chemotherapy with Ommaya reservoir, frequent development of CSF flow disturbance, manifested as increased intracranial pressure (ICP), made injected drug to be distributed unevenly and thus, the therapy became ineffective. Systemic chemotherapy for LMC has been limited as effective CSF concentration can hardly be achieved except high dose methotrexate (MTX) intravenous administration. However, the introduction of small molecular weight target inhibitors for primary cancer treatment has changed the old concept of ‘blood-brain barrier’ as the ultimate barrier to systemically administered drugs. Conventional oral administration achieves an effective concentration at the nanomolar level. Furthermore, many studies report that a combined treatment of target inhibitor and intra-CSF chemotherapy significantly prolongs patient survival. Ventriculolumbar perfusion (VLP) chemotherapy has sought to increase drug delivery to the subarachnoid CSF space even in patients with disturbed CSF flow. Recently authors performed phase 1 and 2 clinical trial of VLP chemotherapy with MTX, and 3/4th of patients with increased ICP got controlled ICP and the survival was prolonged. Further trials are required with newly available drugs for CSF chemotherapy. Additionally, new LMC biologic/pharmacodynamic markers for early diagnosis and monitoring of the treatment response are to be identified with the help of advanced molecular biology techniques.
척수내 원발성 교세포종의 수술성적과 그 관련인자에 대한 고찰 : Analysis of Related Factors
곽호신,정천기,김현집,조병규,최길수,한대희 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.8
Presented below are the author s report of the result of surgical treatment of 53 intramedullary gliomas. In the anaysis of survival data. twenty patients with low grade glioma(except the ependymoma) were followed for a period of mean 54 months, from 1 to 103 months. Five of these patients had died from progression of the disease and the 5 year survival rate was 75%. Nine pateints from the above group recieved postoperative radiation therapy.6 with no apparent benefit in terms of survival rate. The median survival of thirteen patients with high grade glioma patients were 11 months and there were signficant increase of median survival time in patients recieving radiation therapy, from 4 to 17 months(P=0.04) The histological grade is the important factor in determining the survival of glioma pateints(P=0.01). In sixteen, out of 20 ependymoma patients, radical removal(>95%) was achived and the patients showed no signs of recurrence until the mean follow-up period of 42 months. Two of the 4 ependymoma patients, whose tumors were partially removed, suffered recurrence and had to be re-operated. We concluded that the radical removal in epndymomas is a significant factor in determining recurrence(P=0.009). The effect of radical removal on survival is not verified statistically. Total removal is more frequently performed in ependymomas than in gliomas(p=0.03). As to functional outcome, better outcome is expected in radical removal on long-term follow-up(p=0.00506)). more so in ependymoma than in glioma. lntramedullary gliomas are extremely rare Therefore sufficient data is unavailable for the determination of efficient treatment plan. However, recently, aggressive surgical treatment with the aid of microsurgical techniques has become a trial option.
음성 데이타 처리를 위한 데이타베이스 검색 언어의 설계 및 구현
곽호신,박영배 명지대학교 공학기술연구소 1990 공학기술연구소 논문집 Vol.5 No.-
Various problems of speech database system were discussed and a new logical structure of speech database was presented. To handle the speech data, variable length data must be processed as well as fixed length data. A new retrieval language for speech data was presented. This query style language can be used to analyze speech, and the embedded retrieval language retrieve phonemes of arbitary speech pattern. The tool was implemented using C Language on IBM-PC/386 and could be used for speech data retrieval.