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Development of A Teledermatological Service System Among Korea-China-Europe Using TEIN
Cho, Jongman,Jung, j Y,Kim, S W 仁濟大學校 2006 仁濟論叢 Vol.21 No.1
A teledermatological service system among Korea, China and Austria has been developed and tested in this research. For successful design and establishment of a teledermatological service system, four elements were considered-networking among hospitals and participants, standard specification for teledermatological consultation, database for medical record, and design and implementation of software. In addition to the fundamental stationary system, mobile teledermatological service function using PDA was added to provide dermatologists with ubiquitous consultation service. It was evaluated and proved to be a feasible for tele-consultation system by the dermatologists participated in this research.
Cho, Jongman,Ryu, Seung-Yun 仁濟大學校 2006 仁濟論叢 Vol.21 No.1
Many studies for computer-based chromosome analysis using artificial neural network (ANN) have shown that it is possible to classify chromosomes into 24 subgroups. It is important to select optimum features for training the ANN. Our purpose was to select features that had the low classification error and the best ability for human chromosome classification. We applied the medial axis transformation for the medial line, extended the line to the boundary and obtained relative length, relative area and centromeric index. The Giemsa-stained human chromosome has a sequence of banding pattern that is perpendicular to the medial axis of the chromosome. Density profile is a one-dimensional graph of the banding pattern property of the chromosome computed at a sequence of points along the possibly curved chromosome medial axis. Some studied used relative length, centromeric index and 62 density profile as features, but we prepared two data sets as features that one set was relative length, centromeric index and 80 density profile considered No. 1 chromosome's length and the other was relative length, centromeric index, the 80 density profile and relative area and compared classification error of each set. We found that the classification error showed to be decreased by adding relative area to the other features.
Jongman Han(Jongman Han),Eunsook Kim(Eunsook Kim) J-INSTITUTE 2022 Public Value Vol.7 No.2
Purpose: In this study, the purpose is to, by analyzing the MZ subjects to verify the regulatory effect of individ-ual personality in terms of the relationship between the characteristics of short-form beauty contents and the behavioral intention, and by studying how individual personality affects short-form characteristics of beauty con-tents and the behavioral intention, present the basic data for the effective digital scalability that provides an optimal experience to Generation MZ and a strategy to induce the users to consume beauty contents while feel-ing the curiosity and interest of users about planning, producing and sharing form beauty contents. Method: The subjects of this study were analyzed by using the SPSS 25.0, AMOS 22.0 program for 406 online questionnaires in Seoul, Gyeonggi, Incheon metropolitan area and non-metropolitan area to verify the research problem targeting Generation MZ who used short-form beauty contents at least once. The exploratory factor analysis and reliability analysis were performed to secure the validity and reliability of the scale, and the Pearson correlation analysis was performed to confirm the correlation between the major variables. To verify the regula-tory effect, the hierarchical regulation regression analysis was performed, and the test was confirmed with a simple slope graph according to the significant interaction effect. Results: As a result of the analysis performed, significant results were confirmed with a focus on the three stages in which all variables were input together. In the first stage, the characteristics of short-form beauty con-tents of the independent variables were static, all in playfulness, information, reliability, creativity, and interac-tivity. As the influence of individual personality on the behavioral intention in the second stage, it was confirmed that extroversion, affinity, and neurosis were significant. It was verified that the interaction variables that can confirm the regulatory effect in the third stage were the interaction between playfulness and sincerity(=.114, p<.05), the interaction between playfulness and neurosis(=.091, p<.05), reliability and the interaction of affin-ity(=.096, p<.05) was positively significant, and the interaction of information and affinity was negatively signif-icant(=-.156, p<.01). Conclusion: Based on the results of this study, it was possible to learn that, playfulness and reliability reinforce the behavioral intention in the characteristics of short-form beauty contents. Behavioral intention increases as individual personality integrity, neurosis, and evolution are regulated, whereas informationality deteriorates as the evolutionary nature increases, and it was also found that a strategy of creating and planning useful infor-mation that may be enjoyed or shared is necessary to provide an optimal experience of content, considering the characteristics and individual personalities of Generation MZ users, and accordingly, offers a meaning for the basic data for digital marketing.
Jongman Hong,Sanguk Park,Doosoo Hyun,Tae-june Kang,Sang Bin Lee,Kral, C.,Haumer, A. IEEE 2012 IEEE transactions on industry applications Vol.48 No.3
<P>Condition monitoring of rotor problems such as demagnetization and eccentricity in permanent-magnet synchronous motors (PMSMs) is essential for guaranteeing high motor performance, efficiency, and reliability. However, there are many limitations to the offline and online methods currently used for PMSM rotor quality assessment. In this paper, an inverter-embedded technique for automated detection and classification of PMSM rotor faults is proposed as an alternative. The main concept is to use the inverter to perform a test whenever the motor is stopped and to detect rotor faults independent of operating conditions or load torque oscillations, which is not possible with motor current signature analysis (MCSA). The <I>d</I> -axis is excited with a direct-current+alternating-current signal, and the variation in the inductance pattern due to the change in the degree of magnetic saturation caused by demagnetization or eccentricity is observed for fault detection. An experimental study on a 7.5-kW PMSM verifies that demagnetization and eccentricity can be detected and classified independent of the load with high sensitivity.</P>
Influence of the variation of its geometry on the disk failure
Jongman Kim(김종만),Hyo-Kune Hwang(황효균),Byung-Ju Dan(단병주),Jin Woo Lee(이진우),Wae Yeul Kim(김외열) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
The speed competition of optical disk drive has been accelerated with the fast advancement of its storage density and data transmission technology. The continuous increase of the spinning speed of CD meets the unexpected and catastrophic failure of disk during the operation. The effect of its thickness and outer radius of disk were investigated to reduce stresses and J-integral around the crack tip. The effect of its thickness was considered ahead of the crack tip. In the effect of outer radius of disk, linear elastic fracture mechanics was used to obtain the critical crack length, which indicates the onset length for unstable crack growth. This approach is so significant as to detect the growing crack by disk drive before the catastrophic failure, which will provide the standard size of its safety for high-speed disk drive.
Perceptual Analysis of Vibrotactile Flows on a Mobile Device
Jongman Seo,Seungmoon Choi IEEE 2013 IEEE transactions on haptics Vol.6 No.4
<P>'Vibrotactile flow' refers to a continuously moving sensation of vibrotactile stimulation applied by a few actuators directly onto the skin or through a rigid medium. Research demonstrated the effectiveness of vibrotactile flow for conveying intuitive directional information on a mobile device. In this paper, we extend previous research by investigating the perceptual characteristics of vibrotactile flows rendered on a mobile device and proposing a synthesis framework for vibrotactile flows with desired perceptual properties.</P>
Imrpovement of Training Effect for a Tilt Table with Visual Feedback Function
Jongman Cho,Junghyeon Choi,Taewoo Nam,Junho Park,Inseon Park-Ko 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
In the previous study we have developed an electrical actuator-driven type tilt table for the patients who had to lie down for long period of time. This kind of patients are needed to exercise to maintain up-right standing position and recover their muscle power of paralytic leg. We improved its functionallity so that it can provide a patient with visual feedback of exercise to increase the effect of rehabilitation. This could be possible by measuring and displaying the knee bent angle and pressure for each foot during exercise in real time. It is expected that the patient’s exercising effect can increase by self-monitoring these two values during exercise.