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영상 및 레이더 센서 융합 기반의 측후방 감지 시스템 개발
이홍준(Hongjun Lee),라문수(Moonsoo Ra),서재규(Jae Kyu Suhr),정호기(Ho Gi Jung),김회율(Whoi-Yul Kim) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.11
This paper presents a blind-spot detection system using vision and radar sensor fusion. The proposed method associates detection results from rear-view image, side rectified image and radar sensor, then it fuses them using multi-measure Kalman filtering. Additionally, the detection zone is adaptively established based on the lane detection result to minimize false alarm caused by vehicles on the second side lane. Experimental results show that the proposed method exploits complementary merits of vision and radar sensors.
무선 센서 네트워크를 이용한 농업 환경 모니터링 시스템 구현
이정민(Jeongmin Lee),한재준(Jaejun Han),이은애(Eunae Lee),이홍준(Hongjun Lee),김동식(Dong Sik Kim),정범진(Beom Jin Chung),손성용(Sung-Yong Son),구이란(Iran Koo),이형재(Hyung Jae Lee) 대한전자공학회 2015 대한전자공학회 학술대회 Vol.2015 No.11
In this paper, we developed a wireless sensor network system to monitor the temperature and humidity of the agriculture environment. In order to construct a low-cost and low-complexity system, a narrow-bandwidth communication based on 424MHz frequency band is considered while achieving reliable wireless links. The developed system is implemented in a farm for maesil, which is sort of plum. For a slope farm environment, the system can successfully gather the measured data.
지지면에 따른 마비 측 한 발 서기 훈련이 만성 편마비 환자의 보행속도와 균형에 미치는 효과
김명철 ( Kim Myungchul ),이홍준 ( Lee Hongjun ) 대한통합의학회 2020 대한통합의학회지 Vol.8 No.3
Purpose: This study aimed to investigate the effect of single-leg stance training according to different support surfaces on walking speed and balance in patients with chronic hemiplegia. Methods: Twenty-two patients with chronic stroke were randomly categorized into an experimental group (11 patients) and a control group (11 patients). In the experimental group, single-leg stance training was performed on an unstable surface after 50 min of general physical therapy. In the control group, single-leg stance training was performed on a stable surface after 50 min of general physical therapy. All participants performed five sets of single-leg stance exercises per minute and rested for 3 min. The intervention was performed 5 times a week for 4 weeks, and each patient was evaluated using the Berg Balance Scale (BBS), Fugl-Meyer Assessment Scale (FMA), and difference in walking speed between the first and last day of the intervention. Results: Compared to baseline measurements, both study groups showed significant increases in FMA, BBS, and walking speed (p< .05) after the intervention. However, there was no statistically significant difference (p >.05) between the experimental and control groups. However, in the experimental group, the increases in FMA, BBS, and walking speed were 3.36 %, 9.50 %, and 7.71 %, respectively. In the control group, the increases in FMA, BBS, and walking speed were 2.39 %, 6.65 %, and 7.64 %. Conclusion: Single-leg stance training on different support surfaces could help improve walking ability and balance in patients with chronic hemiplegia