KIPS Transactions on Computer and Communication Systems
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v.3
no.5
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pp.141-150
/
2014
In recent years, because of the development of ubiquitous technology in healthcare research is actively progress. Especially, healthcare service area is change to home for the elderly or patients from hospital. The technology to identify residents in a home is crucial for smart home application services. However, existing researches for resident identification have several problems. In this case, residents are needed to attach of various sensors on their body. Also relating private life, it is difficult to apply to resident's environment. In this paper, we used constraint-free sensor and unconscious sensor to solve these problems and we limited using of sensor and indoor environment in the way of working economical price systems. The way of multi-resident identification using only these limited sensors, we selected elements of personal identifications and suggested the methods in giving the weight to apply these elements to systems. And we designed the SABA mechanism to tract their location and identify the residents. It mechanism can distinguish residents through the sensors located each space and can finally identify them by using the records of their behaviors occurred before. And we applied the mechanism designed for applications to approve this location tracking system. We verified to the location tracking system performance according to the scenario.
Journal of the Korea Academia-Industrial cooperation Society
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v.19
no.2
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pp.357-369
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2018
This study was conducted to provide data pertaining to precocious puberty by comparing the psycho-social behavior of girls with precocious puberty to those with normal development. This study was conducted from 1 June 2016 to 25 February 2017. The subjects were 104 female patients of A group with precocious puberty visiting H Oriental medicine clinic and S clinic in Seoul, and 104 girls in control group A and 104 girls in control group B attending elementary school in gun. The psycho-social behavioral characteristics of girls with precocious puberty and those with normal development were compared among 312 girls matched for gender and age using a t-test, ${\chi}^2test$, and ANOVA. In addition, the factors influencing precocious puberty were analyzed through multinomial logistic regression. The results revealed that the primary influence factors were frequency of meat intake (p<0.01) and eating-out (p<0.05). These were followed by watching TV (p<0.001), hours of using smart phone (p<0.01) and number of private institutes attended (p<0.05). Additionally, emotional and physical indexes were lower in the precocious puberty group than the control group, indicating that they have more pathology.Finally, girls in the precocious puberty group have lower family and friendship indexes than those in the control group, which means they have more pathology. Overall, the results indicate that extensive research on the causes and frequency of precocious puberty is necessary.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.11
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pp.653-662
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2017
This study was conducted to provide basic data for the prevention and management of precocious puberty by investigating the relevance of physical parents characteristics and behavioral characteristics of girls with precocious puberty. The research period was June 1, 2016 to February 25, 2017. The subjects were 312 girls matched depending on gender and age which were composed of 104 female patients of precocious puberty visiting H oriental medicine clinic and S one in Seoul, 104 girls of A control group and 104 girls of B control group attending elementary school in gun. A total of 312 of each group were compared though t-test, $X^2$-test, and ANOVA to examine the physical parent characteristics and behavioral characteristics between girls with precocious puberty and normal girls, after which influence factors for precocious puberty were analyzed through multinomial logistic regression. The main influencing factor was found to be the height of their own and mothers' menarcheal age in terms of body and parent characteristics. Other factors influencing behavioral characteristics included the frequency of meat intake and eating-out in terms of eating habits. Additionally, watching TV, hours of using smart phone and number of private institute girls attending were also found to be influencing factors. Thus, interest in school and society in increasing precocious puberty in girls is important and extensive investigation of the causes and frequency of precocious puberty is necessary.
Severe congenital heart disease (CHD) is a chronic disease requiring continuous and holistic health management to improve patients' quality of life. This study explored the health management experiences of adolescents with severe CHDs in Korea. On the basis of in-depth interviews with nine youths, four categories and 12 subcategories were identified. The participants lacked a full understanding of their health status and the need for appropriate health management for their health status. Nonetheless, they practiced health management to some extent, in ways that were affected by heart function, self-identity, and social support. Although adolescents with severe CHDs were affected by physical limitations and the discriminatory gaze around them, they tried to achieve normalcy through managing information, seeking homogeneity with peers, and fostering positive acceptance about their disease. Regarding demands for health management programs, disease knowledge and mental health content were preferred, and the preferred delivery methods were self-help group camps and smartphone applications. Based on the results of this study, we suggest a health management intervention to promote a healthy transition to adulthood for adolescents with severe CHDs, and that policy-makers should consider measures that would enable a successful transition to adulthood in the future of youth with severe CHDs.
The result of analyzing the cognitive reaction due to the color environment has been applied to various filed especially in medical field. Moreover, the study about the identification of patient's condition and examination the brain activity by collecting the bio-signal based on the color environment is being actively conducted. Even though, there were a variety of experiments by convention the color environment using a light or LED color, it still has a problem that affects the psychological information. Therefore, our proposed system using a HMD (Head Mounting display) to provide a completed color environment condition. This system uses the BMS(Biomedical System) to collect the biometric information which responds to the specific color condition and the human body response information can be measured by the development the Memory and Attention test on Mobile phone. The collection of Biometric information includes electro cardiogram(ECG), respiration, oxygen saturation (Sp02), Bio-impedance, blood pressure will store in the database. In addition, we can verify the result of the human body reaction in the color environment by Memory and Attention application. By utilizing the reaction of the human body information that is collected thought the proposed system, we can analyze the correlation between the physiological information and the color environment. And we also expect that this system can apply to the medical diagnosis and treatment. For future work, we will expand the system for prediction and treatment of Alzheimer disease by analyzing the visualization data through the proposed system. We will also do evaluation on the effectiveness of the system for using in the rehabilitation program.
In the modern society, psychological diseases and impulsive crimes due to stress are occurring. In order to reduce the stress, the existing treatment methods consisted of continuous visit counseling to determine the psychological state and prescribe medication or psychotherapy. Although this face-to-face counseling method is effective, it takes much time to determine the state of the patient, and there is a problem of treatment efficiency that is difficult to be continuously managed depending on the individual situation. In this paper, we propose an artificial intelligence emotion management system that emotions of user monitor in real time and induced to a table state. The system measures multiple bio-signals based on the PPG and the GSR sensors, preprocesses the data into appropriate data types, and classifies four typical emotional states such as pleasure, relax, sadness, and horror through the SVM algorithm. We verify that the emotion of the user is guided to a stable state by providing a real-time emotion management service when the classification result is judged to be a negative state such as sadness or fear through experiments.
Electromygram was measured in three different cases; not wearing of a helmet, wearing of a 920g helmet, and wearing of a 1310g helmet, and it was revealed that there was a high level of muscle activities on the opposite side (sternocleidomastoid muscle) while the head and the neck were moving right and left and muscle activities of the curve and of the hyperextension were found to be not significant. Especially, the presence of a helmet seemed to cause a difference in a level of muscle activities on the deltoid and erector spine muscles while lifting or lowering with a weight placed on the deniz backboard. Therefore, it would be possible to assume that this newly developed smart helmet would not affect muscles around the necks of paramedics if they do not move their necks and heads right and left while lowering or lifting a patient using the deniz backboard. In addition, in case of the deltoid and erector spine muscles, it is shown that an increase in the degree of movement could lead to an increase in the level of muscle activities on the muscles controlling of the corresponding action, which are waist and back muscles. Despite it, it would be possible to prevent possible injuries and/or muscular and skeletal diseases around the lumbar by fully complying with a basic rule of straightening of the waist while making a power-lifting motion.
Heat waves during summer cause a qualitative degradation in urban environments and increases the number of patients who suffer from heat-related illnesses, and the urbanization deepens these problems. It is a prerequisite to analyze the current status accurately in order to assess the urban heat island phenomenon. Thus, this study aims to collect weather measurements information at the occurrence of a severe heat wave in Seoul, thereby allowing analysis of information, which will also consider the land use type. The weather measurement information used in the analysis had an advantage, as the gap between measured locations is considerably shorter than before due to the miniaturization of the automatic weather systems (AWS), which are connected through the communication network. Based on the above collected information, a temporal change in the data due to land use type was analyzed. As a result, the difference in temperature change in response to the land use type could be compared, as could the occurrence pattern of the tropical night phenomenon, and the effect on temperature reduction in green belt areas could be identified through the comparison of the intensity of heat island by time and land use. The methods and results derived in this study through the comparative analysis in terms of time and land use, weather information measurements, and mapping can be utilized as foundational data that can be referred to in urban planning to reduce the heat island phenomenon in the future.
Yang, Hyun Woo;Kim, Jin;Choi, Hanmaeum;Fang, Yiqin;Kim, So Young;Lee, Chunui
Journal of Korean Academy of Dental Administration
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v.7
no.1
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pp.39-43
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2019
Smartphone usage has become so common that it has reached 2 billion people in the last year. As a result of this, hospitals have started making use of smartphones at various medical sites and research services for patients. This study aimed to establish support for developing a long distance program for patients with implants who have difficulty visiting clinics or with busy modern lives, by using smartphones for oral hygiene management instruction. The data were collected for 12 weeks, from July 24 to October 21, 2015, for patients who agreed to participate in the study. Although the subjects found the process of transferring photos via smartphone to be cumbersome (75%), the satisfaction level of the oral hygiene management program was excellent for all participating patients, and they all wanted to continue with further management using this process. The results from the phone satisfaction survey showed that oral hygiene self-management after oral hygiene control training by smartphones was mostly equal to previous habits (87.5%) or had partially increased but had not decreased. The need for data on more varied age groups and the issues of protecting the security of personal information on smartphones require further study. However, our study confirmed the efficacy of using electronic media (smartphones) for oral hygiene management in patients with a dental implant due to their improvement of oral hygiene performance as evidenced by less bleeding from probing on post-program visit.
Park, Byeong Ryong;Ha, Wi-Ho;Park, Sunhoo;Lee, Jin Kyeong;Lee, Seung-Sook
Journal of Radiation Protection and Research
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v.40
no.4
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pp.194-201
/
2015
We have investigated the EPR signal properties in 12 components of two mobile phones (LCD, OLED) using electron paramagnetic resonance (EPR) spectrometer in this study.EPR measurements were performed at normal atmospheric conditions using Bruker EXEXSYS-II E500 spectrometer with X-band bridge, and samples were irradiated by $^{137}Cs$ gamma-ray source. To identify the presence of radiation-induced signal (RIS), the EPR spectra of each sample were measured unirradiated and irradiated at 50 Gy. Then, dose-response curve and signal intensity variating by time after irradiation were measured. As a result, the signal intensity increased after irradiation in all samples except the USIM plastic and IC chip. Among the samples, cover glass(CG), lens, light guide plate(LGP) and diffusion sheet have shown fine linearity ($R^2$ > 0.99). Especially, the LGP had ideal characteristics for dosimetry because there were no signal in 0 Gy and high rate of increase in RIS. However, this sample showed weakness in fading. Signal intensity of LGP and Diffusion Sheet decreased by 50% within 72 hours after irradiation, while signals of Cover Glass and Lens were stably preserved during the short period of time. In order to apply rapidly EPR dosimetry using mobile phone components in large-scale radiation accidents, further studies on signal differences for same components of the different mobile phone, fading, pretreatment of samples and processing of background signal are needed. However, it will be possible to do dosimetry by dose-additive method or comparative method using unirradiated same product in small-scale accident.
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