• 제목/요약/키워드: Medical Image

검색결과 3,562건 처리시간 0.031초

의료영상 관리를 위한 검색시스템 구현 (An Implementation of Retrieval System for Medical Image Management)

  • 김경수
    • 디지털산업정보학회논문지
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    • 제5권4호
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    • pp.61-67
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    • 2009
  • PACS and Medical Image System use only high level metadata in retrieving desired image nowadays. In order to retrieve Medical Image Data more efficiently, it would be needed to retrieve similarity by utilizing low level metadata as well as keyword retrieval by high level metadata. Thus, In this paper presents that it has realized similarity retrieval by low level metadata on the basis of MPEG-7, and keyword retrieval by high level metadata of DICOM base. It would be also available to look into medical image data in various methods and read accurate image promptly for diagnosis and treatment by retrieval with integrating two metadata.

Cardiac PACS 구축에 따른 의료영상 관리 프로세스 개선 (Medical image control process improvement based on Cardiac PACS)

  • 정영태
    • 대한디지털의료영상학회논문지
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    • 제16권1호
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    • pp.35-42
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    • 2014
  • Heart related special images are classified as Cardiac US, XA, CT, MRI. Several Problem is caused by image compression, control and medical support point, so most big hospitals have created a Cadiac PACS differentially in past years. For this reason, create a conflict in inner colleague and patient, protector that result from 2 data processing server operating independently in 1 medical center area. For this reason, we sugges an alternative model of best medical control process together with understand the current situation on medical facility.

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응급의료종사자가 인식하는 병원 내 응급구조사의 이미지 (대전, 충남 3차의료기관 중심으로) (Images of Hospital Emergency Medical Technicians Perceived by Emergency Medical Service Providers (Focusing on tertiary medical institutions in Daejeon and Chungcheongnam do))

  • 한송이;배기숙;김진욱
    • 한국콘텐츠학회논문지
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    • 제12권4호
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    • pp.373-379
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    • 2012
  • 본 연구는 대전 충남 소재 3차 의료기관에서 근무하는 응급의료종사자(의사, 간호사) 122명을 대상으로 병원 내 응급구조사의 이미지를 조사하였다. 병원 내 응급구조사의 이미지를 향상시키기 위한 기초 자료를 제공하고자 연구를 실시한 결과, 이미지는 $3.27{\pm}0.34$점이었다. 영역별로는 전문적 이미지가 가장 높았고, 역할 이미지가 가장 낮았다. 문항별로는 '의사와 우호적 관계를 유지하고 있다.'가 가장 높았고, '잘난 체하고 업무 수행을 소홀히 한다.'가 가장 낮았다. 병원 내 응급구조사의 이미지를 더욱 향상시키기 위해서는 응급구조사가 환자와 동료에게 진정성 있는 태도로 일관해야하며, 전문직으로서 직업의식을 고취시키고, 응급구조사의 고유 업무와 역할을 충실히 해내야 할 것이다. 또한 전문 직업인으로서의 이미지를 구축할 수 있도록 협회 차원의 홍보와 대책이 마련되어져야 할 것이다.

Deformable Registration for MRI Medical Image

  • Li, Binglu;Kim, YoungSeop;Lee, Yong-Hwan
    • 반도체디스플레이기술학회지
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    • 제18권2호
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    • pp.63-66
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    • 2019
  • Due to the development of medical imaging technology, different imaging technologies provide a large amount of effective information. However, different imaging method caused the limitations of information integrity by using single type of image. Combining different image together so that doctor can obtain the information from medical image comprehensively. Image registration algorithm based on mutual information has become one of the hotspots in the field of image registration with its high registration accuracy and wide applicability. Because the information theory-based registration technology is not dependent on the gray value difference of the image, and it is very suitable for multimodal medical image registration. However, the method based on mutual information has a robustness problem. The essential reason is that the mutual information itself is not have enough information between the pixel pairs, so that the mutual information is unstable during the registration process. A large number of local extreme values are generated, which finally cause mismatch. In order to overcome the shortages of mutual information registration method, this paper proposes a registration method combined with image spatial structure information and mutual information.

의료이미지 데이터의 동적 분석을 위한 패턴 정형화 기술 (Pattern Formalization Technique for Dynamic Analysis of the Medical Image Data)

  • 고광만
    • 디지털콘텐츠학회 논문지
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    • 제17권3호
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    • pp.197-202
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    • 2016
  • 이 논문에서는 비정형 의료이미지 정형화 및 패턴 추출을 위해, 의료기기 또는 의료전문가로부터 생성 또는 감지되는 의료이미지 저장을 위한 데이터베이스 구축한다. 이러한 비정형 이미지의 특징을 정형화된 디지털 데이터로 변환한 후 정형화된 디지털 이미지 데이터로부터 의미있는 패턴 정보를 생성한다. 이러한 경험 기술 소개를 통해 많은 연구자들은 의료이미지 데이터베이스를 보다 쉽게 접근할 수 있고 다양한 분야에서 정형화된 의료이미지를 활용할 수 있다.

ASIC을 이용한 고속의료영상처리보드의 개발을 위한 기초연구 (Researches of the Real-time Medical Imaging Precessing Board using ASIC architecture)

  • 서지현;박홍민;하태환;남상희
    • 대한의용생체공학회:학술대회논문집
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    • 대한의용생체공학회 1998년도 추계학술대회
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    • pp.299-300
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    • 1998
  • Recently the development of medical modality like as MRI, 3D US, DR etc is very active. Therefore it is more required not only the enhancement of quality in medical service but the improvement of medical system based on quantization, minimization, and optimization of high speed. Especially, as the changing into the digital modality system, it gets to start using ASIC(Application Specific Integrated Circuit) to realize one board system. It requires the implementation of hardware debugging and effective speedy algorithm with more speed and accuracy in order to support and replace existing device. If objected image could be linked to high speed process board with special interface and pre-processed using FPGA, it can be used in real time image processing and protocol of HIS(Hospital Information System). This study can support the basic circuit design of medical image board which is able to realize image processing basically using digitalized medical image, and to interface between existing device and image board containing image processing algorithm.

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DICOM 3.0 표준안을 이용한 의료 화상회의 시스템의 설계 (Design of Medical Conferencing System using DICOM 3.0)

  • 유선국;강영태;김광민;배수현;김남현
    • 대한의용생체공학회:학술대회논문집
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    • 대한의용생체공학회 1997년도 춘계학술대회
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    • pp.104-107
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    • 1997
  • A medical teleconferencing and medical image transmision system has been developed for diagnosis of the medical images between the medical doctors who are far away. The medical teleconferencing system transmits the voice and image of the doctors using the video and audio capture boards. The medical image transmission system software uses the medical image standard DICOM 3.0 for the future expansibility and the open system interconectivity. The medical images usually use CR images.

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특이값분해 기반 동적의료영상 재구성기법의 특징 파악을 위한 시뮬레이션 연구 (Simulation Study for Feature Identification of Dynamic Medical Image Reconstruction Technique Based on Singular Value Decomposition)

  • 김도휘;정영진
    • 대한방사선기술학회지:방사선기술과학
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    • 제42권2호
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    • pp.119-130
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    • 2019
  • Positron emission tomography (PET) is widely used imaging modality for effective and accurate functional testing and medical diagnosis using radioactive isotopes. However, PET has difficulties in acquiring images with high image quality due to constraints such as the amount of radioactive isotopes injected into the patient, the detection time, the characteristics of the detector, and the patient's motion. In order to overcome this problem, we have succeeded to improve the image quality by using the dynamic image reconstruction method based on singular value decomposition. However, there is still some question about the characteristics of the proposed technique. In this study, the characteristics of reconstruction method based on singular value decomposition was estimated over computational simulation. As a result, we confirmed that the singular value decomposition based reconstruction technique distinguishes the images well when the signal - to - noise ratio of the input image is more than 20 decibels and the feature vector angle is more than 60 degrees. In addition, the proposed methode to estimate the characteristics of reconstruction technique can be applied to other spatio-temporal feature based dynamic image reconstruction techniques. The deduced conclusion of this study can be useful guideline to apply medical image into SVD based dynamic image reconstruction technique to improve the accuracy of medical diagnosis.

Image Registration in Medical Applications

  • Hong, Helen
    • Journal of International Society for Simulation Surgery
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    • 제1권2호
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    • pp.62-66
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    • 2014
  • Image registration is the process for finding the correct geometrical transformation that brings one image in precise spatial correspondence with another image. There are limitations on the visualization of simple overlay between two different modality images because two different modality images have different anatomical information, resolution, and viewpoint. In this paper, various image registration methods and their applications are introduced. With the recent advance of medical imaging device, image registration is used actively in diagnosis support, treatment planning, surgery guidance and monitoring the disease progression.

한의학 관련 이미지 연구 (The Research about Image on Korean Medicine)

  • 김재익;명예슬;안수연;이영지;조충식
    • 대한한방내과학회지
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    • 제35권3호
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    • pp.354-365
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    • 2014
  • Objectives: Recently, the utility rate of Korean-Medical service has been a 6 percent of the domestic market share in medical service, so there is a lot of effort to increase utility rate of Korean medical service. However, in spite of the importance of image to promotion, there are still few studies about image of Korean medicine. Thus, the purpose of this study was to suggest ways to increase utility rate of Korean medical service by surveying and analysing recognition of image of Korean Medicine. Methods: People aged between 20s and 40s were targets of investigation. We divided respondents into three groups depending on relation approximation with Korean medicine (weak-related group, normal-related group, strong-related group). The questionnaire consisted of questions about images of Korean medicine, conducted through online and personal interviews. Results: In total, 282 members responded to the survey and the results of the analysis were as follows. The more a person was related to Korean medicine, the greater the tendency to experience Korean medical service. The most associated taste about Korean medical institutions was Bitterness, smell was smell of Korean medicine, color was yellow, feeling was warm, sound (instrument) was drum, and treatment pattern was Acupuncture, respectively. The most associated image of acupuncture was painful, and the most associated age of Korean medical doctors was 40s. The most associated general term of Korean medicine was physical constitution, and most associated pathological term was extravasated blood. Conclusions: This study can be very useful for future image marketing of Korean medicine because there have been no other studies about image on Korean medicine before now. But this study has also some limits like area, respondent selection, etc., so a more detailed and comprehensive survey is needed.