• Journal of the Korean Society for Nondestructive Testing
• /
• v.18 no.1
• /
• pp.27-32
• /
• 1998

This paper is written to introduce a multimedia tutoring system for nondestructive testing using personal computer. Nondestructive testing, one of the chief methods for inspecting welds and many other components, is very difficult for the NDT inspectors to understand its technical basis without a wide experience. And it is necessary for considerable repeated education and training for keeping their knowledge. The tutoring system that can simulate NDT works is suggested to solve the above problem based on reasonable condition. The tutoring system shows basic theories of nondestructive testing in a book-style with video images and hyper-links, and it offers practices, in which users can simulate the testing equipment. The book-style and simulation practices provide effective and individual environments for learning nondestructive testing.

• Transactions of the Korean Society of Mechanical Engineers A
• /
• v.35 no.8
• /
• pp.965-970
• /
• 2011

We develop a diagnostic system to monitor failures in an engine-assembly line. Existing techniques such as sensory analysis, time domain analysis, frequency analysis, and statistical analysis have limitations in the diagnosis of engine-assembly failure when there are abnormal vibration waveforms (crashing and damping signals) during the assembly. We use a wavelet technique to deal with crashing and damping signals. We also implement a new technique for developing diagnostic rules from sensor data, and we demonstrate its validity.

• Proceedings of the Korea Information Processing Society Conference
• /
• 2023.11a
• /
• pp.1035-1036
• /
• 2023

본 논문은 저시력자를 위한 체외진단 의료기기 결과 판독 시스템을 제안한다. 이 시스템은 YOLOv8n 객체 탐지 모델을 기반으로 하며, 라즈베리파이4B+에서 홈 디바이스 형태로 구현하였다. 사용자는 음성 및 물리 버튼을 통해 명령을 입력하고, 동작 감지를 통해 자동으로 체외진단 의료기기를 촬영하여 학습된 모델로 결과를 판독하고 해당 결과를 사용자에게 출력한다. 또한, 판독 결과물과 함께 검사 일시 및 의료기기 종류를 데이터베이스에 저장하여 사용자에게 보다 높은 편의성을 제공한다.

• Journal of the korean veterinary medical association
• /
• v.37 no.8
• /
• pp.714-720
• /
• 2001

이천년 12월부터 2001년 6월까지 6개월에 걸쳐 유럽의 북부에 위치하고 있는 덴마크왕국(The Kingdom of Denmark)을 방문하였다. 방문의 주요 목적은 덴마크의 식육검사 업무 특히 도축장에서의 해체검사업무에 대해 전반적으로 배우고자 하는 것이었으며 아울러 동물 질병진단 업무 및 국가 질병 진단시스템도 파악하고자 하였다. 여기에서는 세부적인 수행 업무는 생략하고 덴마크의 수의 및 위생분야에 관계하는 주요 국가기관에 대해 소개하고자 한다. 주요기관으로는 농수식품부 산하기관인 '덴마크수의식품청', 수의식품청의 직속기관으로서 지방방역$\cdot$검사기관인 '수의식품청지청', 그리고 수의식품청의 산하기관인 '덴마크수의연구소'등이다. 이 글의 말미에는 덴마크 방문 중 보고 느꼈던 것 중 기억에 남는 몇 가지를 소개하고자 한다.

• Applied Chemistry for Engineering
• /
• v.31 no.6
• /
• pp.585-590
• /
• 2020

Successful early diagnosis of cancer diseases such as lung, prostate, liver and adrenocortical carcinoma is a key step in determining the cost of treatment, survival rate, and cure rate. Most of current cancer diagnosis systems including biopsy, computed tomography (CT), positron emission tomography (PET)-CT, magnetic resonance imaging (MRI), ultrasonography, etc., require expensive and complicated equipment with highly trained human resources. Global medical and scientific communities have thus made numerous efforts on developing effective but rapid disease management system via introducing a wide spectrum of point-of-care medical diagnosis devices. Among them, a lateral flow immunoassay strip technique has gained a great attention due to many advantages such as cost-effectiveness, short inspection time, and user friendly accessibility. In this mini-review, we will highlight recent research trend on the development of colorimetry based LFIA strips for cancer diagnosis and discuss the future research direction and potential applications.

• Journal of Korean Society of Transportation
• /
• v.19 no.5
• /
• pp.71-83
• /
• 2001

This paper introduces the simulation system which was developed to evaluate the effectiveness of ITS, and presents its adaptabilities to traffic signal control systems. The simulation system in this paper has a function of real-time testing and evaluating traffic control systems. It consists of Modu-RE which is a simulation operating software and Real-CID which is a controller interface device. Real-CID allows Modu-RE to communicate with traffic control hardware.

• Korean Journal of Cognitive Science
• /
• v.9 no.1
• /
• pp.31-39
• /
• 1998

This paper describes an electronic performance support system called HELPS(Handler Electronic Learning Performence Support) for semiconductor testing e equipment. The purpose of this system is to improve productivity of operators by providing just-in-time, on-the-job, mutimedia-based system information for operational support, training, and knowledge-based trouble shooting and repair. HELPS is composed of a operation module and a trouble shooting module. The operation module uses multimedia and hypermedia to provide the detailed and easily accessible information about equipment to users. Multimedia incorporate multiple. media forms including still and video images. animations 'texts' graphics. and audio. Hypermedia a are provided through a hierarchical information structure which offers not only specific information which is needed to perform a task to experienced operators. but detailed system guidance and information to novice operators. The trouble shooting module is composed of an integrated mutimedia-supported expert system which assists operators in trouble shooting and equipment repair. After diagnosis through the use of the expert system. multimedia advice is presented to the user in either still images with text or motion sequences with sound HELPS is evaluated in term of training time and trouble shooting and repair time. It improved productivity by saving more than 30% of the total time used without the system. This s system has the potential to improve productivity when it is used with ICAIOntellignet Computer Aided Instruction) and virtual reality.

• Journal of the Korea Institute of Information and Communication Engineering
• /
• v.14 no.1
• /
• pp.225-232
• /
• 2010

In this study, an automated ultrasonic testing system and post signal and image processing techniques are developed in order to construct ultrasonic flaw images in weldments. Image processing algorithms are built into the flaw image processing system for the automated ultrasonic testing system. The developed signal and image analysis algorithms addressed in this study include an A-Scan data compression algorithm, ultrasonic image amplification algorithm and B-scan flaw image correction algorithm(SAFT). This flaw image processing system for the automated ultrasonic testing system can be applied to various inspection fields.

• Journal of The Korean Association of Information Education
• /
• v.8 no.3
• /
• pp.405-414
• /
• 2004

Even if Internet has been used very much, there is no method of music aptitude test for children. We develop the music aptitude test in the internet to make music aptitude test easily. We test children for music aptitude early. We provide children the learning and instruction environment. This research makes children improve the ability of music. We develop the music aptitude test system for children in the WWW for children to use it. This system is expected to be a great help for children to test music aptitude easily. This system establish a well-understood and maintenance through this system for replacing the data files of their children in a effective way.

• Proceedings of the Korea Information Processing Society Conference
• /
• 2005.11a
• /
• pp.655-658
• /
• 2005

질병과 관련된 인간의 노력은 병의 치료보다는 몸의 이상 유무를 빠르게 진단하는 것과 이를 통한 예방에 초점을 맞춰져 있다. 이를 위해 혈액과 소변 검사등과 같은 검사부터 시작해서 초음파와 CT등 다양한 진단 기기가 발전되어 왔다. 그러나 인체는 스스로 자신의 질병 유무에 대한 인체의 생체 신호를 몸밖에 나타내게 되어 있다. 이를 해독하여 질병을 진단하는 것이 한방에서 주로 사용하는 방법이다. 따라서 본 논문에서는 한의학에 있어서 생체 신호를 해석하는 4대 질환 진단 방법 중 가장 중요한 망진(望診)에 대해 기술하고자 한다. 특히, 인체의 중심 기관인 심장에 대해 망진을 IT기술로 구현하고자 한다. 심장은 오관중 혀와 관계가 되어 있으며 따라서 심장에 대한 인간 생체 신호 해석시 혀는 중요한 분석 기관이 된다. 이를 위해 혀를 통해 인간의 생체 신호에 대한 결과를 반영하여 심장의 질환 여부에 대한 정보를 제공하여 주는 설진 시스템을 구축하고자 하며 우선적으로 본 논문은 얼굴 영상에서 혀 영역을 추출하는 방법에 대해 제안하고자 하며 실험에 의해 제안한 방법의 유용성을 입증하고자 한다.