The purpose of this study is to evaluate the injury mechanism of facial injury related to an air-bag's deployment in occupant motor vehicle accident (MVA) by using Hospital Information System (HIS) and reconstruction program, based on the materials related to motor vehicle accidents. Among patients who visited the emergency department of Wonju Severance Christian Hospital due to motor vehicle accidents from August 2012 to February 2014, we collected data on patients with agreement for taking the damaged vehicle's photos. After obtaining the verbal consent from the patient, we asked about the cause of the accident, information on vehicle involved in the accident, and the location of car repair shop. The photos of the damaged vehicle were taken on the basis of front, rear, left side and right side. Damage to the vehicle was presented using the CDC code by analytical study of photo-images of the damaged vehicle, and a trauma score was used for medical examination of the severity of the patient's injury. Among the 309 patients with agreement for an investigation, thirty five (11.3 %) were the severe who had ISS over 15. And also, sixteen (5.2%) derived from the reconstructed data (maximum collision energy, maximum acceleration, delta V) by PC-Crash. As a result, ISS including the facial injuries was affected by the condition. It was high when the number of crash extent, the safety belt was not fastened, and the seating position of occupant and the direction of collision is same. For accurate analysis of the relationship between occupant injury and vehicle damage in MVAs, build-up of an in-depth database through carrying out various policies for motor vehicle accidents is necessary for sure.
Hyperemesis gravidarum is one of the most common symptom in the early pregnancy and if it cause severe malnutrition by means of heavy vomiting as a basic sign of disease of pregnant syndrome, appropriate treatments are necessary. In the clinics the methods of treatment of hyperemesis gravidarum include herb-medication usually. But herb-medication therapy is rather difficult because during pregnancy it may cause vomiting by the smell and taste of herbs. So the author investigated the literatures referred to the external treatments of hyperemesis gravidarum excluding herb-medication and the results obtained here were as follows. 1. The external methods of treatment of hyperemesis gravidarum are various and include moxibustion, the method of applying drug at the umbilicus, ear-acupuncture method, pressure massage therapy, naso-spray method, acupoint injection, intervenous injection 2. Among the external methods of treatment of hyperemesis gravidarum , the method of applying drug at the umbilicus is most variable and almost all prescriptions use Zingiber officinalis Rose, characteristically. 3. Ear-pressure massage method to treat the hyperemesis gravidarum uses the car-acupoints of Gan, We, Shin-mun, Gyo-gam. 4. Among the external methods of treatment of hyperemesis gravidarum , moxibustion, pressure massage, and acupoint injection select frequently Nae-gwan(PC6), Chok-samni(ST36) and Chung-wan(CV12). 5. In the both the internal and external methods of treatment of hyperemesis gravidarum one have to differentiate syndromes in the viewpoint of oriental medicine and treat with the principls of treatment and prescriptions which are fit to each differentiation model under the principle of regulating the stomach and relieving vomiting.
Journal of the Korea Institute of Information and Communication Engineering
/
v.14
no.5
/
pp.1303-1310
/
2010
Recently, researches related with automative mechanism have been widely studied to increase the driver's safety by continuously monitoring the driver's health condition to prevent driver's drowsiness. This paper describes the design of wearable chest belt for ECG and reflectance pulse oximetry for SpO2 sensors based on wireless sensor network to monitor the driver's healthcare status. ECG, SpO2 and heart rate signals can be transmitted via wireless sensor node to base station connected to the server. Intelligent monitoring system is designed at the server to analyze the SpO2 and ECG signals. HRV (Heart Rate Variability) signals can be obtained by processing the ECG and PPG signals. HRV signals are further analyzed based on time and frequency domain to determine the driver's drowsiness status.
Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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2009.10a
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pp.545-548
/
2009
Recently, researches related to automative mechanism have been widely studied to increase the driver's safety by continuously monitoring the driver's health condition to prevent driver's drowsiness. This paper describes the design of wearable chest belt for ECG and reflectance pulse oximetry for $SpO_2$ sensors based on wireless sensor network to monitor the driver's healthcare status. ECG, $SpO_2$ and heart rate signals can be transmitted via wireless sensor node to base station connected to the server. Intelligent monitoring system is designed at the server to analyze the $SpO_2$ and ECG signals. HRV(Heart Rate Variability) signals can be obtained by processing the ECG and PPG signals. HRV signals are further analyzed based on time and frequency domain to determine the driver's drowsiness status.
Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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2014.05a
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pp.421-424
/
2014
Currently, car black box, and CCTV products, such as image processing are prevalent on the market giving convenience to users.In particular, the black box of the driver driving a vehicle accident that occurred at the time to help identify the cause of the accident is gaining. Black box, the front or rear of the vehicle can check the image only. Because of the angle of view of the driver's vision or the black box can not determine a non-scene. In order to solve this problem by a more advanced system, the black box AVM (Around-View Monitoring) systems have been developed. AVM system to the vehicle's top-view images obtained before and after, left and right of the image, ie, $360^{\circ}$ image of the vehicle can be secured. AVM system must be installed on the vehicle, a desktop that you can acquire images Cling conditions. In this paper, we propose an Android-based tablet using the AVM system of the vehicle can achieve a $360^{\circ}$ image you want to design the system.
The seating postures of passengers in the automated driving vehicle are possible in atypical forms such as rear-facing and lying down. It is necessary to improve devices such as airbags and seat belts to protect occupants from injury in accidents of the automated driving vehicle, and collision safety evaluation tests must be newly developed. The purpose of this study is to define representative types of head-on collision accidents to develop collision standards for autonomous vehicles that take into account changes in driving behavior and occupants' postures. 150 frontal collision cases remained by filtering (accident videos, images, AIS 2+, passenger car, etc…) and random sampling from approximately 320,000 accidents claimed by a major insurance company over the past 5 years. The most frequent accident type is a head-on collision between a vehicle going straight and a vehicle turning left from the opposite side, accounting for 54.7% of all accidents, and most of these accidents occur in permissive left turns. The next most common frontal collision is the center-lane violation by drowsy driving and careless driving, accounting for 21.3% of the total. For the two types above, data such as vehicle speed, contact point/area, and PDOF at the moment of impact are obtained through accident reconstruction using PC-Crash. As a result, two types of autonomous vehicle crash safety test scenarios are proposed: (1) a frontal oblique collision test based on the accident types between a straight vehicle and a left-turning vehicle, and (2) a small overlap collision test based on the head-on accidents of center-lane violation.
Journal of rehabilitation welfare engineering & assistive technology
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v.2
no.1
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pp.35-43
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2009
In this paper, we introduce a reading training program offering visual-auditory cue with noise cancellation function (RT program) developed by us. The RT program provides some training sentences with visual-auditory cues. Motor speech disorder patients can use the visual and/or auditory cues for reading training. To provide convenient estimation of training result, we developed a noise cancellation algorithm. The function of the algorithm is to remove noise and auditory-cues which are recorded with reading speech at the same time while patient read the sentences in PC monitor. In addition, we developed a function for finding out the first starting time of reading sound after a patient sees a sentence and begins to read the sentence. The recorded speeches are acquired from six people(three male, three female) in four noisy environments (interior noise, white noise, car interior noise, babble noise). We evaluated the timing error for starting time between original recorded speech and processed speech in condition of executing noise cancellation function and not executing. The timing error was improved as much as $4.847{\pm}2.4235[ms]$ as the effect of noise cancellation. It is expected that the developed RT program helps motor speech disorder patient in reading training and symptom evaluation.
In these days, 3D dynamic simulation is closely related to many industries. In the past, physically-based 3D simulation was used mainly in the car crash or construction related fields, but it also plays an important role in movies or games today. Many mathematical computations are needed to represent the 3D object realistically, but it is difficult to process a large amount of calculations for simulation of application based on CPU in real-time. Recently, with the advanced graphic hardware and improved architecture, GPU can be utilized for the general purposes of computation function as well as graphic computation. Many approaches using GPU have been applied for various research fields. In this paper, we analyze the performance variation of two cloth simulation algorithms based on GPU according to the change of execution properties of GPU shaders in oder to optimize the performance of GPU-based cloth simulation. Cloth simulation is implemented by the spring centric algorithm and node centric algorithm with GPU parallel computing using compute shader of GLSL 4.3. We compare the performance of between these algorithms according to the change of the size and dimension of work group. The experiment is repeated to 10 times during 5,000 frames for each test and experimental results are provided by averaging of FPS. The experimental result shows that the node centric algorithm is executed in higher speed than the spring centric algorithm.
Purpose: Ths study aims to examine characteristics of patients using emergency room after execution of five-day workweek system by government and provide basic materials for operation of efficient emergency room. Methods: Data were collected tbrough medical records of patients visiting emergency room from July of 2004 to October of 2006 and they were analyzed with SPSSlPC 10.0. Conclusion : 1. The number of patients visiting emergency room was average 16.7 persons a day in 2004, 17.5 in 2005 and 18.6 in 2006 and it was found that it was increasing every year since the execution of five-day workweek system 2. Gender distribution of subjects using emergency room was higher in male than in female every year. 3. Means of transport to emergency room were mostly private car and others(public transport or on foot), but use of ambulance was increasing. 4. Residential areas of subjects were mostly 'Myeon area' in 2004~2005, but it was changed to residents at 'Eup area' in 2006. 5. Distribution of patients by medical departments was highest in internal medicine and surgery in 2004~2006 and rate of visiting pediatrics was increasing every year. 6. Time to stay at emergency room was most at 'below 30 min'. in 2004~2006, but cases of stay for 'more than 2 hours' were increasing every year. 7. On presence or absence of trauma in patients visiting emergency room, rate of visit to emergency room with 'no trauma' was higher and this result was increasing every year. 8. As a result of classifying severity of patients visiting emergency room, use rate of emergency room by 'non-emergency' patients was over 90% in 2004~2006 and such a phenomenon was deepened in 2006 compared to that in 2004. 9. Measures after emergency care of patients were most in case of 'discharge' in 2004~2006, but cases of admission to hospital after emergency care were increased every year. 10. According to use of emergency room by a day of the week, use on Sunday was most frequent in 2004~2006, but use on Friday the day before holiday was increasing. 11. According to distribution by age, use by those between '40~49' was most in 2004~2005, but use by those 'below 10' was most in 2006. 12. According to time to visit emergency room, using emergency room at "15:31~23:30 was most in 2004~2006, cases of visiting emergency room at day working hour were decreased every year and those at evening and night working hours were increased. Conclusion: In sum, it was found that characteristics of patients visiting emergency room and their actual status were changed after the execution of five-day workweek system and efforts to rearrange emergency medical system are required.
Kang Sung-Chul;Kim Gi-Ryon;Kim Kwang-Nyeon;Jung Dong-Keun;Kim Min-Sung;Jeong Do-Wun;Jeon Gye-Rok
Proceedings of the Korean Institute of Information and Commucation Sciences Conference
/
2006.05a
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pp.1023-1026
/
2006
There are some cases in trouble with monitoring emergency patient by existing electrode sensor in measuring instrument in home and hospital etc. And there are problem to measure because of coming down electrode in emergency car or vessel of shaking and fat, humidity of patient. In this study, it has designed band-type for patient to put on the breast easily and go around anywhere freely putting band electrode on his body. Gold has used as electrode material in this electrocardiogram because of its excellent electronic resistance peculiarity and no trouble with skin. And it is able to monitor multi-body-signal by additional design of periphery temperature. There are good results of body signal transmission in the breast or the rib, and get a little body signal in abdomen. We get a result it is better case of gold than usual electrode on signal detection, and know usual electrode was disposable, but we have more correct result from gold electrode sensor, being semi-permanent ana. great contact ability even if movement.
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