In order to fast transmission and processing of medical images and do not need to install client and plug-ins, the paper designed a kind of medical image reading system based on BS structure. This system improved the ...In order to fast transmission and processing of medical images and do not need to install client and plug-ins, the paper designed a kind of medical image reading system based on BS structure. This system improved the existing IWEB in the framework of PACS client image processing, medical image based on the service WEB completion port model. To realize the fast loading images with high concurrency, compared with the traditional WEB PACS, this system has the advantages of no client without plug-in installation, at the same time in the transmission and processing performance image has been greatly improved.展开更多
目的:实现基于DICOM标准的医学图像和数据管理系统。方法:利用VisualC++.NET、LeadToolsV14.5和SQL Server 2000,在Windows XP环境下,建立一个基于DICOM标准的医学图像数据管理系统。结果:对DICOM标准的图像数据进行存储与读写,正确读...目的:实现基于DICOM标准的医学图像和数据管理系统。方法:利用VisualC++.NET、LeadToolsV14.5和SQL Server 2000,在Windows XP环境下,建立一个基于DICOM标准的医学图像数据管理系统。结果:对DICOM标准的图像数据进行存储与读写,正确读出与显示所存储的图像文件,并对用户建立权限控制。结论:该系统维护简便、操作方便,具有方便快捷的查询功能。展开更多
目的探讨基于图像存档与传输系统(picture archiving and communication system,PACS)的以案例为基础的教学法(case-based learning,CBL)在医学影像实习教学中的应用价值。方法选择在福建医科大学附属第一医院实习的2016级及2017级医学...目的探讨基于图像存档与传输系统(picture archiving and communication system,PACS)的以案例为基础的教学法(case-based learning,CBL)在医学影像实习教学中的应用价值。方法选择在福建医科大学附属第一医院实习的2016级及2017级医学影像专业学生作为研究对象,其中2016级16名学生作为对照组,采用传统的教学模式,2017级18名学生为研究组,采用基于PACS系统的CBL教学法,学期末对两组学生的考试成绩及学习满意度评分进行对比分析。结果研究组与对照组的理论考试成绩分别为(53.21±2.53)分及(52.09±2.24)分,两者对比差异无统计学意义(P>0.05),研究组与对照组的读片考试成绩分别为(35.83±1.38)分及(28.9±2.08)分,两者对比差异有统计学意义(P<0.001),研究组与对照组的学习满意度评分分别为(85.94±2.53)分及(71.94±2.93)分,两者对比差异有统计学意义(P<0.001)。结论基于PACS系统的CBL教学法可以提高学生的实践能力,有助于提高学生的学习积极性、临床思维能力、自学能力及科研能力等。展开更多
基于医学影像学住院医师规范化培训的教学特点及培训学员构成的复杂性,针对目前医学图像存储与传输系统(picture archiving and communication system,PACS)病例库系统及网络多媒体建设应用在住培教学中所面临的问题,文章主要讨论了PAC...基于医学影像学住院医师规范化培训的教学特点及培训学员构成的复杂性,针对目前医学图像存储与传输系统(picture archiving and communication system,PACS)病例库系统及网络多媒体建设应用在住培教学中所面临的问题,文章主要讨论了PACS病例库及网络多媒体开发建设在医学影像住培与教学中的应用。文章重点介绍了PACS病例库、网络多媒体开发建设和案例教学法在医学影像规范化培训教学过程中的优势,同时,文章也对如何完善PACS病例库联合网络多媒体案例教学法对住院医师规范化培训的考核评价体系进行了详细讨论。此外,在前人研究的基础上提出了如何进一步解决目前PACS病例库系统及网络多媒体建设所面临的问题的方法,对医学影像学住培教学中所面临的现实问题有一定指导价值。展开更多
目的研究医学影像教学工作中应用影像归档和通信系统(picture archiving and communication systems,PACS)的多学科团队(multi disciplinary team,MDT)联合问题导向学习(problem based learning,PBL)教学模式的具体措施和应用效果。方...目的研究医学影像教学工作中应用影像归档和通信系统(picture archiving and communication systems,PACS)的多学科团队(multi disciplinary team,MDT)联合问题导向学习(problem based learning,PBL)教学模式的具体措施和应用效果。方法选取2022年1月—2023年1月南华大学附属第一医院放射科实习医学生60名为研究对象,通过随机数表法分为两组,30名医学生接受传统讲授式教学为对照组,30名医学生接受PACS平台的MDT联合PBL教学模式为研究组,评价两组医学生理论考试成绩、技能测评成绩以及对教学效果的评价情况。结果研究组医学生的理论考核成绩为(74.77±10.62)分与对照组医学生的理论考核成绩(73.55±11.28)分相比,差异无统计学意义(P>0.05),研究组读片技能考核成绩(69.46±10.69)分及总成绩(145.53±12.66)分明显高于对照组的(60.22±10.78)分、(132.58±12.86)分,差异有统计学意义(P<0.05);研究组医学生中激发学习主动性、提高学习兴趣、提高阅片能力、培养影像诊断思维以及分析解决问题能力评分明显高于对照组,差异有统计学意义(P<0.05)。结论在医学影像学教学工作中应用PACS平台的MDT联合PBL教学模式,可以显著提升医学生的读片技能,帮助培养医学生影像诊断思维能力,激发医学生的学习热情和主动性,提高医学生分析与解决问题的能力。展开更多
Picture archiving and communication system (PACS) has played an important role in hospital and developed rapidly in recent years. It is an important part of PACS architecture that X-ray video output connects with PACS...Picture archiving and communication system (PACS) has played an important role in hospital and developed rapidly in recent years. It is an important part of PACS architecture that X-ray video output connects with PACS. In this paper, a method to digitize the video signals of X-ray facility is introduced. By means of the video capture card, we can acquire digital medical images from X-ray facility. The American College of Radiology (ACR) and the National Electrical Manufacturers Association (NEMA) developed a standard for Digital Imaging and Communications in Medicine (DICOM), this DICOM standard introduces a rule of medical image conversion from conventional format to DICOM one. According to abovementioned standard, X-ray video signals can be connected to PACS easily. This project has been applied in some hospitals successfully and there is satisfied result. Key words image acquisition - image compression - format conversion - DICOM - PACS CLC number TP 391 Foundation item: Supported by the Enterprise Innovation Foundation of Wuhan (WS(2001)14)Biography: ZHOU Li (1977-), male, Master, research direction: microelectronics and solid electronics.展开更多
With the rapid development of medical informatization and the popularization of digital imaging equipment,DICOM images contain the personal privacy of patients,and there are security risks in the process of storage an...With the rapid development of medical informatization and the popularization of digital imaging equipment,DICOM images contain the personal privacy of patients,and there are security risks in the process of storage and transmission,so it needs to be encrypted.In order to solve the security problem of medical images on mobile devices,a safe and efficient medical image encryption algorithm called ALCencryption is designed.The algorithm first analyzes the medical image and distinguishes the color image from the gray image.For gray images,the improved Arnold map is used to scramble them according to the optimal number of iterations,and then the diffusion is realized by the Logistic and Chebyshev map cross-diffusion algorithm.The color image is encrypted by cross-diffusion algorithm of double chaotic map.Security and efficiency analysis show that the ALCencryption algorithm has the characteristics of small neighboring pixels,large key space,strong key sensitivity,high safety and short encryption time.It is suitable for medical image encryption of mobile devices with high real-time requirements.展开更多
文摘In order to fast transmission and processing of medical images and do not need to install client and plug-ins, the paper designed a kind of medical image reading system based on BS structure. This system improved the existing IWEB in the framework of PACS client image processing, medical image based on the service WEB completion port model. To realize the fast loading images with high concurrency, compared with the traditional WEB PACS, this system has the advantages of no client without plug-in installation, at the same time in the transmission and processing performance image has been greatly improved.
文摘目的:实现基于DICOM标准的医学图像和数据管理系统。方法:利用VisualC++.NET、LeadToolsV14.5和SQL Server 2000,在Windows XP环境下,建立一个基于DICOM标准的医学图像数据管理系统。结果:对DICOM标准的图像数据进行存储与读写,正确读出与显示所存储的图像文件,并对用户建立权限控制。结论:该系统维护简便、操作方便,具有方便快捷的查询功能。
文摘目的探讨基于图像存档与传输系统(picture archiving and communication system,PACS)的以案例为基础的教学法(case-based learning,CBL)在医学影像实习教学中的应用价值。方法选择在福建医科大学附属第一医院实习的2016级及2017级医学影像专业学生作为研究对象,其中2016级16名学生作为对照组,采用传统的教学模式,2017级18名学生为研究组,采用基于PACS系统的CBL教学法,学期末对两组学生的考试成绩及学习满意度评分进行对比分析。结果研究组与对照组的理论考试成绩分别为(53.21±2.53)分及(52.09±2.24)分,两者对比差异无统计学意义(P>0.05),研究组与对照组的读片考试成绩分别为(35.83±1.38)分及(28.9±2.08)分,两者对比差异有统计学意义(P<0.001),研究组与对照组的学习满意度评分分别为(85.94±2.53)分及(71.94±2.93)分,两者对比差异有统计学意义(P<0.001)。结论基于PACS系统的CBL教学法可以提高学生的实践能力,有助于提高学生的学习积极性、临床思维能力、自学能力及科研能力等。
文摘基于医学影像学住院医师规范化培训的教学特点及培训学员构成的复杂性,针对目前医学图像存储与传输系统(picture archiving and communication system,PACS)病例库系统及网络多媒体建设应用在住培教学中所面临的问题,文章主要讨论了PACS病例库及网络多媒体开发建设在医学影像住培与教学中的应用。文章重点介绍了PACS病例库、网络多媒体开发建设和案例教学法在医学影像规范化培训教学过程中的优势,同时,文章也对如何完善PACS病例库联合网络多媒体案例教学法对住院医师规范化培训的考核评价体系进行了详细讨论。此外,在前人研究的基础上提出了如何进一步解决目前PACS病例库系统及网络多媒体建设所面临的问题的方法,对医学影像学住培教学中所面临的现实问题有一定指导价值。
文摘目的研究医学影像教学工作中应用影像归档和通信系统(picture archiving and communication systems,PACS)的多学科团队(multi disciplinary team,MDT)联合问题导向学习(problem based learning,PBL)教学模式的具体措施和应用效果。方法选取2022年1月—2023年1月南华大学附属第一医院放射科实习医学生60名为研究对象,通过随机数表法分为两组,30名医学生接受传统讲授式教学为对照组,30名医学生接受PACS平台的MDT联合PBL教学模式为研究组,评价两组医学生理论考试成绩、技能测评成绩以及对教学效果的评价情况。结果研究组医学生的理论考核成绩为(74.77±10.62)分与对照组医学生的理论考核成绩(73.55±11.28)分相比,差异无统计学意义(P>0.05),研究组读片技能考核成绩(69.46±10.69)分及总成绩(145.53±12.66)分明显高于对照组的(60.22±10.78)分、(132.58±12.86)分,差异有统计学意义(P<0.05);研究组医学生中激发学习主动性、提高学习兴趣、提高阅片能力、培养影像诊断思维以及分析解决问题能力评分明显高于对照组,差异有统计学意义(P<0.05)。结论在医学影像学教学工作中应用PACS平台的MDT联合PBL教学模式,可以显著提升医学生的读片技能,帮助培养医学生影像诊断思维能力,激发医学生的学习热情和主动性,提高医学生分析与解决问题的能力。
文摘Picture archiving and communication system (PACS) has played an important role in hospital and developed rapidly in recent years. It is an important part of PACS architecture that X-ray video output connects with PACS. In this paper, a method to digitize the video signals of X-ray facility is introduced. By means of the video capture card, we can acquire digital medical images from X-ray facility. The American College of Radiology (ACR) and the National Electrical Manufacturers Association (NEMA) developed a standard for Digital Imaging and Communications in Medicine (DICOM), this DICOM standard introduces a rule of medical image conversion from conventional format to DICOM one. According to abovementioned standard, X-ray video signals can be connected to PACS easily. This project has been applied in some hospitals successfully and there is satisfied result. Key words image acquisition - image compression - format conversion - DICOM - PACS CLC number TP 391 Foundation item: Supported by the Enterprise Innovation Foundation of Wuhan (WS(2001)14)Biography: ZHOU Li (1977-), male, Master, research direction: microelectronics and solid electronics.
基金This work is partly supported by the Scientific Research Fund of Hunan Provincial Education Department(19B082)the Science and Technology Development Center of the Ministry of Education-New Generation Information Technology Innovation Project(2018A02020)+4 种基金the research supported by Science Foundation of Hengyang Normal University(19QD12)the Science and Technology Innovation Program of Hunan Province(2016TP1020)the Application-oriented Special Disciplines,Double First-Class University Project of Hunan Province(Xiangjiaotong[2018]469)the Hunan Province Special Funds of Central Government for Guiding Local Science and Technology Development(2018CT5001)the Subject Group Construction Project of Hengyang Normal University(18XKQ02).
文摘With the rapid development of medical informatization and the popularization of digital imaging equipment,DICOM images contain the personal privacy of patients,and there are security risks in the process of storage and transmission,so it needs to be encrypted.In order to solve the security problem of medical images on mobile devices,a safe and efficient medical image encryption algorithm called ALCencryption is designed.The algorithm first analyzes the medical image and distinguishes the color image from the gray image.For gray images,the improved Arnold map is used to scramble them according to the optimal number of iterations,and then the diffusion is realized by the Logistic and Chebyshev map cross-diffusion algorithm.The color image is encrypted by cross-diffusion algorithm of double chaotic map.Security and efficiency analysis show that the ALCencryption algorithm has the characteristics of small neighboring pixels,large key space,strong key sensitivity,high safety and short encryption time.It is suitable for medical image encryption of mobile devices with high real-time requirements.