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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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The Journal of the Korea Contents Association
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The Korea Contents Association
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Volume & Issues
Volume 5, Issue 6 - Dec 2005
Volume 5, Issue 5 - Oct 2005
Volume 5, Issue 4 - Aug 2005
Volume 5, Issue 3 - Jun 2005
Volume 5, Issue 2 - Apr 2005
Volume 5, Issue 1 - Feb 2005
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Multi Colony Intensification.Diversification Interaction Ant Reinforcement Learning Using Temporal Difference Learning
Lee Seung-Gwan ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 1~9
In this paper, we suggest multi colony interaction ant reinforcement learning model. This method is a hybrid of multi colony interaction by elite strategy and reinforcement teaming applying Temporal Difference(TD) learning to Ant-Q loaming. Proposed model is consisted of some independent AS colonies, and interaction achieves search according to elite strategy(Intensification, Diversification strategy) between the colonies. Intensification strategy enables to select of good path to use heuristic information of other agent colony. This makes to select the high frequency of the visit of a edge by agents through positive interaction of between the colonies. Diversification strategy makes to escape selection of the high frequency of the visit of a edge by agents achieve negative interaction by search information of other agent colony. Through this strategies, we could know that proposed reinforcement loaming method converges faster to optimal solution than original ACS and Ant-Q.
Design of an ECM System for Ubiquitous Knowledge Management
Lee Jun-Hee ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 10~16
Information producing and sharing methods are modified into digital forms. All kinds of documents are also converted into electronic forms so they become very useful and besides, they are increasing in quantity. Thus effective contents management system is requisite. Until now CMS(Contents Management System) has problems including composite contents management, processing delay and deterioration of contents because of deficiency of consistent contents storing methods and policies. In this paper an ECM(Efficient Contents Management) system is proposed for efficient processing of multimedia data and ubiquitous KM(Knowledge Management).
Data Transformation System Implementation for the Automation of PCB Product
Lee Seung-Hyuk ; Kim Gui-Jung ; Han Jung-Soo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 17~25
In this paper, we design data transformation interface for the automation of PCB product. The data designed to CAD does not exchange itself for the assembly line, so we construct an automation system which is exchangeable. To do this, we analyze the information of PCB components and construct the Information of IC components as database. We also develope two kinds of algorithm; one is to detect human error and another is to exchange itself for the data which is suitable for PCB assembly line. We design data transformation interface to do addition and revision of the information for PCB assembly line. By automating existing manual processing, we are able to shorten access time and enhance reliability of the data and the efficient assembly line of PCB.
Home Appliance Auto-configuration Scheme Using XML for Home Network Mobile Services
Jwa Jeong-Woo ; Park Keun-Hyun ; Han Do-Hyung ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 26~32
Standardization of the home-networking technologies and the home network trial has been tried to activate the home network services and develop the new business models. Home network mobile service using a cellular phone provides the control and monitoring the states of the information appliances and HA(home automation) devices through a home network gateway interworking with a home server. For this purpose, the home network mobile application in a cellular phone can automatically change the configuration of the information appliances and HA devices interworking with a home server. In this paper, we propose the home appliance auto-configuration scheme using XML for home network mobile services. The proposed scheme is implemented on WIPI of the domestic mobile platform standardization.
Hangeul Character Classification Model Based on Cognitive Theory and ART Neural Network
Park Joong-Yang ; Park Jae-Heung ; Jang Jae-Hyuk ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 33~42
In this paper, we propose a new training algorithm for improving pattern classification performance of ART neural network. The proposed train algorithm restricts unnecessary cluster generation and transition, applies the location extraction algorithm, and operates the reset system based on the agreement between the present learning pattern and the initial pattern. As a result, repetitive input of a pattern does not generate a new cluster and mis-recognition rate decreases.
A Study on Efficient Distributed Data Processing POS System of PKI Based
Park Gil-Cheol ; Kim Seok-Soo ; Kang Min-Gyun ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 43~50
POS system that become that is supply net administration and computerization fetters of customer management that become point in istribution network constructed database and use XML-Encryption that is certificate techniques of PKI and standard of security for security that is XML's shortcoming and design distributed processing POS system using XML for data integration by introduction of Ubiquitous concept. This POS system has four advantages. First, Because there is no server, need not to attempt authentication and data transmission every time. Second, can integrate data base by XML and improve portability of program itself. Third, XML data in data transmission because transmit data after encryption data safe .Fourth, After encode whenever process data for data breakup anger of POS system client program and elevation of the processing speed, transmit at because gathering data at data transmission.
A Study on Requirement Specification for Component Configuration Management
Jung Dae-Sung ; Han Jung-Soo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 51~58
Software development process evolves by component based development(CBD) process and introduction to configuration management system is risen recently. In this paper, we explained component configuration management system evolved out of CBD methodology and focused on the specification management in component configuration management. The component specification is being based on XML that is a normalization document. Also, component version management and dependency management are achieved by a component name. And component dependency information is just the integration information using a component specification name used in the composition when component specification is composed. Thus we confirmed possibility of version management and dependency management using the specification.
A Feature Extraction Method in Iris Image for Biometrics
Kim Sin-Hong ; Cho Yong-Hwan ; Kim Tae-Hoon ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 59~64
The biometrics of iris is a very accurate authentication method. The biometrics of iris can recognize and identify a person for shortly. But the image of iris is changed by transformation of body in the life. The existing iris authentication system has problem that can be mis-recognized. In this paper, we proposed and implemented Renewable Iris Authentication Algorithm(RIAA) for biometrics in authentication system. This algorithm tries to present a new way to people identification, we show contour line when shift take photograph in regular side. Namely, it generate iris code based on boundary of projection or submergence side and compared to original, so that it describes iris identification method to people identification.
A Study on Modem for Home Network High-Speed Power Line Communication System in Home Network
Choi Seung-Kwon ; Cho Yong-Hwan ; Lee Byong-Rok ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 65~77
Design of a Carousel Manager for Data Broadcasting Services
Kang Min-Goo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 78~84
Various kinds of data broadcasting services can be offered using a return-channel in digital broadcasting TV compared to analog services. In these data broadcasting environments, several data(associated with TV broadcasting programs, or not) are provided to the TV audiences except for audio/video broadcasting data. In this paper, a structure of data manager for data/object carousel, based on data broadcasting protocols, was proposed for data broadcasting services using a return-channel, and were supported to the production technologies of DTV contents. These contents application techniques for DTV will be implemented with this data manager in MPEG2-TS data broadcasts using PID(Packet ID).
A Design of Network Based Home Robot System in Wireless Home Network Environment
Jeong Ho-Won ; Bae Sung-Ho ; Oh Sei-Woong ; Nam Kyu-Tae ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 85~91
Recently, home network system is providing more various services as home robot applied. A home robot not only basically controls home device but also services prevention of crimes, prevention of disasters through home monitoring and various entertainments while it navigates the autonomously based home network system. However, for the existing home robot to it is not easy to install all functions because the size of robot device becomes larger and the management of contents and applications executed becomes uneasy and has difficulties in adding new functions. Moreover many improvements are necessary for functioning of robot's location awareness. In this paper, we propose a more improved home robot system which uses resources of the robot efficiently as it divides the complicated operation of the robot among external digital device and adds new functions easily and recognizes the location of the robot by RFID.
Cultural Hybridity in SF Film
Hwang Hye-Jin ; Lee Seung-Hwan ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 92~99
It is not easy to understand that the drama with various aspects of political-economics and psychology in a certain popular cultural contents. People, however, does want to reconstruct the meaning of the real world and the hyper - reality, it means cross of oldness and newness, through the films. We try to analyze in religious/philosophical aspect with hybrid narrative, characters and condensed meaning in
series. This try shows a good example way of understanding
series which on the border line of newness and oldness.
A Study on Static Balancing Design of RPG Game Characters
Kim Jae-Joon ; Kim Mi-Jin ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 100~106
It has been attempted to approach a method to develop games efficiently. Many companies in game industries have their own developing process. A efficient game developing process or manufactory tools doesn't show the successful development, but it is necessary to propose the typical design method on viewpoint of game developer. In this paper, we propose how we solve RPG game character balancing problem in order to derive the balancing design to be applicable on a game. We will approach to game balancing design based on experienced experiments through balancing analysis of game character in RPG genre.
A Study on Production of Low Storage Capacity of Character Animation for 3D Mobile Games
Lee Ji-Won ; Kim Tae-Yul ; Kyung Byung-Pyo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 107~114
The next generation of 3D mobile games market is becoming increasingly active, more as a result of improvement in the CPU speed of hardware phone, embarkation of 3D engines and high memory capacity, In response to this trend, popular 3D games of PS2 (PlayStation2) and popular online games are being launched as mobile games. However, mobile units have different hardware characteristics compared to those of other platforms such as the PC or the game console. Therefore, mobile game versions of the popular PC games face many limitations in many aspects such as in battery capacity, size of display, capacity of the game, and other user interface issues. Among these many limitations, study for allowing low capacity storage of the game is becoming important. In addition, realistic animation of the 3D character on the small screen of the mobile unit is more important than any other matter. The purpose of this study is to find a solution to providing realistic 3D character animation, and for decreasing the storage capacity of character animation for application in 3D mobile games.
A Study about a Production of A Game Character Animation Using a Combining with a Motion-capture System
Ryu Seuc-Ho ; Kyung Byung-Pyo ; Kim Tae-Yul ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 115~123
Game industry will be one of the fastest developed industries in the 21st century. It is the outcome derived from the development of hardware such as the accumulated technology and computer in the 20th century. The development of computer graphics and hardware technique has let games have more realistic expression. The reality shown in games has influences over the movement of 3-dimensional game character as well as its background. The animation of character has been influenced by animator's level of skill, but it was problematic to have unnatural movement and long-term production time. In this regard, this study will compare the most widely used animation techniques such as Key-Frame method and Motion-Capture method each other and try to figure out which one is the most appropriate and effective method in 3 dimensional game character animation.
In a Universal Design Viewpoint Usability Evaluation Research to PET Bottle
Kim Sang-Sik ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 124~132
While use of a pet bottle with use it is light recently and convenient increases quickly, it is used from the child, also diffusing the user to a pet bottle to people of various classes, such as an old person, a woman, a male, the man in the street, and a disabled person. However, those who are standardized on the basis of the common man with the plan energy of a pet bottle, and cannot attain to the standard, That is, a child and a disabled person may be condemnedto the vague situation that a lid cannot be opened or a contents thing cannot be drunk without external help. And the characteristic of a material and production which are called PET Even if convenience is emphasized for the cost reduction of COST, a design is chosen easily, and even if it calls it the man in the street, the point of coming to experience a situation with the difficult time of use can be found well. In research of a book, problem derivation which classifies entering school and a preschool boy and girl child for a child drink for an object first by the viewpoint of universal design paying attention to such problems, and leads the actual use example of a pet bottle was carried out in true heart, and various notional approach was shown by the solution method.
Measurement of the Energy-Dependent Neutron Capture Cross Section of
by Using the Neutron TOF Method
Yoon Jung-Ran ; Lee Sang-Bock ; Lee Jun-Haeng ; Lee Sam-Yol ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 133~139
The neutron capture cross section of
has been measured relative to the
standard cross section by the neutron time-of-flight(TOF) method in the energy range of 0.007 eV to 47 keV using a 46-MeV electron linear accelerator(linac) at the Research Reactor. Institute, Kyoto University(KURRI). In order to experimentally prove the result obtained, the supplementary cross section measurement has been made from 0.3 eV to 1 keV using the Kyoto University Lead stowing-down spectrometer (KULS) coupling to the linac. The relative measurement by the TOF method has been normalized to the reference value(20.01 b) at 0.0253 eV and the KULS measurement to that by the TOF method. The existing experimental data and the evaluated capture cross sections in ENDF/B-VI, JENDL-3.2, and JEF-2.2 have been compared with the current measurements by the linac TOF and the KULS experiments.
ALMOST EVERYWHERE CONVERGENCE THEOREM FOR SEMINORMED FUZZY CO-INTEGRALS
Kim Mi-Hye ; Im Sung-Mo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 140~144
In this paper, an almost everywhere convergence theorem for seminormed fuzzy co-integrals is showed provided that the fuzzy measure is null-additive.
A Study for DVD Authoring with IEEE 1394
Yoon Young-Doo ; Lee Heun-Jung ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 145~151
We can define the procedure of Authoring that it makes area cord and the reproduction prevent menu programmed into MPEG II video stream , Audio which is AC-3 audio stream and subtitle under its own category. And it makes process an attribute, an order and an operation, gives the last disk image, Which is DVD(digital versatile disc). There are various process of Authoring tools in the market so that authoring tools can enable, encourage, and assist users ('authors') in the selection of tools that produce simple title, video production and editing suites. In this paper, we will compare and analyze authoring process in which image and sound are authorized into DVD with IEEE 1394port between Window system using generally with Desktop PC and the Macintosh that is based on OSX.
Feature Combination and Selection Using Genetic Algorithm for Character Recognition
Lee Jin-Seon ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 152~158
By using a combination of different feature sets extracted from input character patterns, we can improve the character recognition system performance. To reduce the dimensionality of the combined feature vector, we conduct the feature selection. This paper proposes a general framework for the feature combination and selection for character recognition problems. It also presents a specific design for the handwritten numeral recognition. Tn the design, DDD and AGD feature sets are extracted from handwritten numeral patterns, and a genetic algorithm is used for the feature selection. Experimental result showed a significant accuracy improvement by about 0.7% for the CENPARMI handwrittennumeral database.
A Backup System for Efficient Backup and Restore in SAN Cluster Environments
Bok Kyoung-Soo ; Kang Tae-Ho ; Yun Jong-Hyeon ; Yoo Jae-Soo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 159~171
It has been increased to use the SAN with increasing the size of storage device. In this paper, we design and implement a backup system to support the tape and disk based backup with devices and media in SAN cluster. Our backup system provides device and media management for efficiently managing a number of devices and media in SAN cluster. It also supports script management to process an additional tasks requested by clients and monitoring to control and manage tasks in execution. In addition, it supports reporting to offer backup and restore information to clients.
Harmful Traffic Detection by Protocol and Port Analysis
Shin Hyun-Jun ; Choi Il-Jun ; Oh Chang-Suk ; Koo Hyang-Ohk ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 172~181
The latest attack type against network traffic appeared by worm and bot that are advanced in DDoS. It is difficult to detect them because they are diversified, intelligent, concealed and automated. The exisiting traffic analysis method using SNMP has a vulnerable problem; it considers normal P2P and other application program to be harmful traffic. It also has limitation that does not analyze advanced programs such as worm and bot to harmful traffic. Therefore, we analyzed harmful traffic out Protocol and Port analysis. We also classified traffic by protocol, well-known port, P2P port, existing attack port, and specification port, apply singularity weight to detect, and analyze attack availability. As a result of simulation, it is proved that it can effectively detect P2P application, worm, bot, and DDoS attack.
Intrusion Response and Recovery System Using a File System Image Backup
Lee Jae-Kwang ; Lim Jung-Mok ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 182~190
As computers and Internet become popular, many corporations and countries are using information protection system and security network to protect their informations and resources in internet. But the Intrusional possibilities are increases in open network environments such as the Internet. Even though many security systems were developed, the implementation of these systems are mostly application level not kernel level. Also many file protection systems were developed, but they aren't used widely because of their inconvenience in usage. In this paper, we implement a kernel module to support a file protection function using Loadable Kernel Module (LKM) on Linux. When a system is damaged due to intrusion, the file system are easily recovered through periodical file system image backup.
Visitors' Satisfaction about the Cultural Tourism Festival : The Mange Traditional Music Festival 2003/2004
Jeong Gang-Hoan ; Choi Seung-Kuk ; Noh Yong-Ho ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 191~201
Traditional music not only reveals Korean culture to foreigners but also it enhances the pride of national identity for Koreans themselves. Objectives of this study are how can we encourage and appreciate traditional music to ordinary visitors (non-musicians). Music festivals could be a means to educate and captivate them towards the appreciation of Korean traditional music. For this purpose, this study checked the satisfaction level between local residents and domestic visitors(including foreigners) concerning music festival programs, and also proposed a practical implications to traditional music organizers. According to the result, local visitors' satisfaction level were higher than other domestic visitors. Visitors showed higher interest in the music instruments like a 'Gayageum' they are able to relate to, rather than with other traditional unfamiliar musical instruments. It is thus crucial to encourage students and ordinary citizens to interact with traditional music instruments so as to enhance the satisfaction levels of domestic visitors. Some practical implications for traditional music organizers are that it is recommendable to have more guides who have thorough knowledge of traditional Korean music and who is able to interpret festival programs in foreign languages for foreign visitors.
An Exploratory Study on the Relationship Between Tourism Motivations and On-line Tourism Information Search Behavior
Nah Yoon-Jung ; Lim Chae-Kwan ; Park Bong-Gyu ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 202~210
The public Information systems for destination marketing have poorly operated and failed to satisfy tourists' needs. Public tourism website mainly offers fundamental tourism information such as transportation, lodging and prime attractions, which is mainly specialized in commercial web sites, and fails to attract tourists. For the public benefits, marketing strategy publicl DMOs have to specialize their tourism information, and attract specific target markets. Thus, this study examined the effect of tourism motivations on information search behavior to figure out the importance of tourism information. The results show that the level of escapist motivation positively to the perceived importance of fundamental informations, and the level of activist motivation effects positively to the perceived importance of objective-specific informations. These results give show problems of regional tourism information site and implications are suggested.
The Effects of Empowerment on Service Delivery Levels of Employees in Hotel Corporations
Kim Yong-Soon ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 211~218
This paper examines relationships among empowerment, nice delivery levels, and mediated variables. 1 chose the job satisfaction and commitment to the organization. The analysis of mediated effect tested mediation using the three-step mediated regression approach(Baron & Kenny, 1986). Data were collected by 235 full time employees. The results of regression analysis is as follows: First, empowerment of hotel employees affects Job satisfaction. Secondly, empowerment of hotel employees affects commitments to the organization. Thirdly, empowerment of hotel employees affects service delivery levels. The results of three-step mediated regression supported mediated effects between service delivery levels and its antecedents. The result of the study implies that empowerment is a crucial factor in the explanation of service delivery levels and hotel managers are able to motivate employees' service delivery levels by paying more attentions to employees' job satisfaction and commitment to the organization.
A Study on the Strategies for Product Liability in the Food Service Industry
Choi Sang-Cheol ; Lee Sang-Mi ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 219~227
This paper suggests to guideline food safety and economic gains in the restaurant business Industry. First, provide useful tools for easily understanding in the food safety and express warranty Second, manage all documents like sanitation report, claim report in related to the product liability as a precautions. Third, execute fast & proper action for consumer's demage. Fourth, organize positively brand image in the corporate. Fifth, implement useful tools in the product standard and qualification such as ISO9000, HACCP, and PLMS. Sixth. Support co-partner against product liability. Seventh, take a action early for product liability in the foodservice industry.
A Study of Users' Evaluation for the Internet Web-sites of Korean Hotels
Chung Hyun-Young ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 228~237
The study was done with the hypothesis that internet users' evaluation of hotel web sites would be differed depending on the class, location, size, ownership, and guest type of hotels. The study found that location, guest type are loosing their strategical importances in the internet marketing. However, class, size, and ownership are still favorable marketing tools with the internet. The study also found that the location gap between metropolitan and local hotels is decreasing, and the chance of attracting potential customers will be evenly offered to the two type of hotels in the internet oriented business environment.
Development of WIPI-based Artificial Reefs Search Contents
Kwak Ho-Young ; Han Kyoung-Bok ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 238~247
The development of IT related technology has made it possible to offer 'Any Time, Any Where, Any Service' to the users and internet-based service became accessible while on the move through wireless internet service. Moreover, the development of various wireless contents has been provided diverse ioy and convenience to life. However, the existing wireless contents had been subordinate to the wireless internet platform because it had not been set up for a standardized environment. Therefore, repeated developments of contents have been causing waste of resource, time and manpower. This paper aims at suggesting WIPI-bases artificial reefs search contents which have become independent from platform by using JAVA. Artificial reefs facilities are a government project for increasing the revenue of fishermen but only few fishermen know the information about the location of artificial reefs and most of them are not aware of the location of these facilities. There(ore this thesis plans to develop WIPI-bases artificial reefs search contents to provide information such as the location, the depth, and the bottom material to anglers and those fishermen who do not know the location of artificial reefs so that the fishermen can have the opportunity to increase their revenue and also the opportunity to catch a big fish for anglers.
Performance Improved Buffer Management Algorithm for GFR Service
Cho Hae-Seong ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 248~254
The existing buffer management scheme is caused by with burstness characteristic of the TCP traffic and with only the transmission which is not loss it provides the smallest transmission rate guarantee where the GFR demands and a fair characteristic. In order to provide a high fair characteristic from the dissertation which it sees with the smallest transmission rate guarantee where the GFR demands it proposed the existing buffer algorithm which applies a Fuzzy mechanism in the existing buffer management technique. The proposed algorithm decides a packet disuse used by three parameters which are composed of tagging information, the buffer usage, and the load of VC. Simulation results shows that the fairness and goodput of the proposed algorithm were excellent where the size of MCR will become larger, from the switch the Double-EPD or the DFBA was visible a similar efficiency even from size change of the buffer. The algorithm which is proposed provides a good throughput and a fair characteristic.
Acceptance Intention of Digital Home Services Through Situational Inducement
Park Jeong-Hyun ; Lee Yeong-Ro ; Lee So-Young ; Moon Yoo-Jin ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 255~265
This paper investigates potential favor and intention for acceptance of digital home services through the situational inducement. The result shows that digital home services for the interactive TV, security management, family management and geographical image affect users' intention for acceptance. And it shows that favorable attitudes of the interactive TV services increase in the younger generation and internet users, favorable attitudes of the family management services increase in the thirties, and favorable attitudes of the medical management services increase in the ages of the fifties. In addition it shows that relationship between favor and intention for acceptance of digital home services affects affirmatively, which was illustrated in the coefficient value (0.661) of the R-square by the regression analysis.
An Empirical Study on the Impact of Job Performance to AIS Utility Value
Kim Dong-Il ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 266~272
This study is to empirically analyze the effects on job performance of Accounting Information Systems, Analysis methods were used to Cronbach's Alpha analysis, Factor analysis, analysis of variance(ANOVA) and regression in odor by the contingency grouping method. The results of this study are as follows : First, The regression analysis had effects on AIS utility and job performance. Second, The Analysis of variance(ANOVA) had non-effects on systems operating degree and systems satisfaction. Third, The input variables of information accuracy and systems satisfaction had additional effect about IT capability.
The Effects on Cognitive Psychology in Using Multimedia Teaching-Learning Contents
Kwon Choong-Hoon ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 273~280
Teaching-learning activities in a school class is influenced by the development of a information science in the 21 century. Recently, the instruction in a school class use a multimedia teaching-learning contents chiefly. A great number of teachers don't recognize a foundation of the effects on teaching-learning contents utilizing multimedia. In this paper, I propose to analyze and verify the foundation of effects on cognitive psychology of multimedia teaching-learning contents. The principal method of this study is to synthesize and analyze researches of scholars or literature study largely. In this paper, the foundations of effects on multimedia teaching-learning contents are following: the dual encoding of information process, the skill on direction and speed-regulation of learning, and the others educational strength. The theoretical conviction in multimedia teaching-learning contents is operated as the confidence of education contents & media utilized by teachers and learners, and is anticipated as the growth of the quantitative and qualitative learning activities.
A Study on Regional Irradiation Dose of Radiological Technologists
Jung Hong-Ryang ; Kim Jeong-Koo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 281~286
This research is to measure the irradiation dose in radiological technologists with 623 radiological technologists working at 44 general hospitals in 16 cities and states nation-wide, during one month from July to August 2003. Questionnaires were used to analyze the dose, while existing data from measurements taken in 5 years was used to analyze amounts of radiation dose level. Average annual irradiation dose level was
in 5 years from 1998 to 2002. Annually, 2000 had the highest level With
, While 1998 was lowest with
, but a long-term solution needs to be worked out since there is a possibility of chronic exposure due to the nature of the work. The results of present research shows that the radiological technologists are effecting managing irradiation dose.
Ambulatory System for Context Awareness Using a Accelerometer Sensor
Jin Gye-Hwan ; Lee Sang-Bock ; Choi Hun ; Suh Jae-Won ; Bae Hyeon-Deok ; Lee Tae-Soo ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 287~295
This paper describes user context awareness system, which is one of the most essential technologies in various application services of ubiquitous computing. The proposed system used two-akial accelerometer, embedded in SenseWear(R)PRO2 Armband (BodyMedia). When it was worn on the right upper arm of the experiment subjects, MAD (mean of absolute difference) value of the sensor data was calculated to quantify the amount of the wear's activity. Using this data, PC-based fuzzy inference system was realized to distinguish human motion states, such as, lying, sitting, walking and running and to recognize the restricted emergency situations. In laboratory experiment, the amount of activities for tying, sitting, walking and running were 0.204 g/s, 0.373 g/s, 2.808 g/s and 16.243 g/s respectively. The recognition rates of human motion states were 96.7 %, 93.0 %, 95.2 % and 98.4 % respectively for lying, sitting, walking and running. The recognition rate of restricted emergency situation was 100%.
Implementation of Regional Cerebral Blood Volume Map Using Perfusion Magnetic Resonance Image Process Algorithm
Park Byung-Rae ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 296~304
Quantitative analysis compare to dynamic characteristic change of the regional cerebral blood volume(rCBV) after development of cerebral fat embolism in cats using perfusion magnetic resonance(MR) Imaging. Twenty cats were used. Linoleic acid (n=11) were injected into the internal carotid artery using microcatheter through the transfemoral approach. Polyvinyl alcohol (Ivalon) (n=9) was injected as a control group. Perfusion MR images were obtained at 30 minutes and 2 hours after embolization, based on T2 and diffusion-weighted images. The data was time-to-signal intensity curve and
curve were obtained continuously with the aid of home-maid image process algorithm and IDL(interactive data Banguage, USA) softwares. The ratios of rCBV increased significantly at 2 hours compared with those of 30 minutes (P<0.005). In conclusion, cerebral blood flow decreased in cerebral fat embolism immediately after embolization and recovered remarkably in time course. It is thought that clinically informations to dynamic characteristic change of the cerebral hemodynamics to the early finding in cerebral infarction by diffusion weighted imaging(DWI) and perfusion weighted imaging(PWI).
A Study on an Image Processing for Segmentation of Liver Arteriography Using Medical Image(MDCT)
Choi Seung-Kwon ; Cho Yong-Hwan ; Lee Byong-Rok ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 305~305
In modern society, diseases are variously found. Also, disease can be fatal once starting attack or one misses the proper medical examination time. According to the development of society, our liver settled on exhausted status which causes high disease development ratio because of excess business, smoking and drinking. Especially liver related disease cannot be recovered, therefore it depends on internal organ transplant surgery. In this paper, calculate volume from rendered liver shape using 3-dimensional image processing method and we develop an image processing method for the image acquired by MDCT, that can simulate incision line decision according to blood vessel segmentation that can be used on liver transplant operation. Simulation results which adopt automatic liver segment abstraction algorithm show that it can help surgical operation.
A Study on e-Learning Quality Improvement
Cho Eun-Soon ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 316~324
e-Learning has been mushrooming with wide range of teaming groups from pedagogy to andragogy As e-teaming opportunities increase, many people raise question about whether e-teaming show positive teaming effects. The related research emphasized that e-learning would be a failure in terms of understanding of e-Learners and activating intuitive teaming activities from learner's long-term memory span. The e-teaming strategies based on the traditional classroom and resulted boring and ineffective teaming outcomes, should be changed to provide authentic and effective teaming results. This paper analyzed that how learners have received e-Learning for the last few years from the research and explained what could be the failing aspects in e-Learning. To be successful, e-loaming should consider the e-learner's individualized teaming style and thinking patterns. When considering of various e-Learning components, the quality of e-teaming should not be focused on any specific single factor, but develop every individual factor to be integrated into high level of quality. In conclusion, this paper suggest that it is needed new understandings of e-Loaming and e-Learner. Also the e-Learning strategies should be examined throughly whether they are on the side of learners and realized how they learn from e-Learning. Finally, we should add enormous imagination into e-loaming for next generation because new generation's teaming patterns significantly differ from their parent's generation.
Design of Efficient Simulation-based Contents at e-Learning
Lee Jun-Hee ;
The Journal of the Korea Contents Association, volume 5, issue 5, 2005, Pages 325~333
When a designer creates a new web-based learning-teaching system, there are so many considerations to help learners' learning effect through effective interaction. First of all, web-based simulation is recommended to provide learners with effective and attractive learning environments in web. Efficient study design should be considered because well designed simulation-based contents provide continuous interest for learner. Until now many e-Learning systems provide web-based simulation using various technique. However, those contents require to be reorganized considering the level of accomplishment, learning styles. In this paper, I proposed a system that the learners can share simulation objects among other e-Learning systems using XML web service. By experimental result, the proposed system shows that is more efficient than the conventional system in the self-leading study activity and interactivity.