数字时代X射线技术：物理学-曝光-放射生物学，第四版

English | 2023 | ISBN: 039809408X | 839 pages | True PDF | 198.9 MB

Long overdue, this new work provides just the right focus and scope for the practice of radiography in this digital age, covering four entire courses in a typical radiography program. The entire emphasis of foundational physics has been adjusted in order to properly support the specific information on digital imaging that will follow. The paradigm shift in imaging terminology is reflected by the careful phrasing of concepts, accurate descriptions and clear illustrations throughout the book. There are over 700 illustrations, including meticulous color line drawings, numerous photographs and stark radiographs. The two chapters on digital image processing alone include 60 beautifully executed illustrations. Foundational chapters on math and basic physics maintain a focus on energy physics. Concepts supporting digital imaging (such as the interpretation of graphs supporting the understanding of histograms) are more thoroughly discussed. All discussion of electricity is limited to only those concepts which bear directly upon the production of x-rays in the x-ray tube. Following is a full discussion of the x-ray beam and its interactions within the patient, the production and characteristics of subject contrast, and an emphasis on the practical application of radiographic technique. This is conventional information, but the terminology and descriptions used have been adapted with great care to the digital environment. Eight chapters are devoted directly to digital imaging, providing extensive coverage of the physics of digital image capture, digital processing techniques, and the practical applications of both CR and DR. Image display systems are brought up to date with the physics of LCD screens and electronic images. PACS and medical imaging informatics are also covered. Chapters on Radiation Biology and Protection include an unflinching look at current issues and radiation protection in practice. The radiation biology is clearly presented with numerous lucid illustrations, and a balanced perspective on radiation and its medical use is developed. To reinforce mathematical concepts for the student, dozens of practice exercises are strategically dispersed throughout the chapters, with answer keys provided in the appendix. Extensive review questions at the end of each chapter give a thorough, comprehensive review of the material learned. The Instructor Resources for Radiography in the Digital Age, available on disc, includes the answer key for all chapter review questions and a bank of over 1500 multiple-choice questions for instructors’ use. It also includes 35 laboratory exercises, including 15 that demonstrate the applications of CR equipment. Supported by prominent medical physicists and documents from the American Association of Physicists in Medicine (AAPM), this textbook provides the most accurate information available to radiography educators in all the aspects of digital radiography.

需要更新的内容：放射学中数字技术的实践方法已经多年未见，这部新书恰当地聚焦于在这一数字化时代中的放射学实践，涵盖了一个典型放射学课程中的四门完整的课程。基础物理学的整体重点已进行调整，以充分支持随后具体介绍的数字成像信息。影像术语方面的范式转变通过书中概念、准确描述和清晰插图的细心措辞得到了反映。全书共有超过700幅插图，包括精美的彩色线画、大量照片以及鲜明的放射图像。仅两章关于数字图像处理就包含了60幅优美的插图。数学与基本物理学的基础章节保持了对能量物理学的关注。支持数字成像的概念（如用于理解直方图的理解而支持图表的解释）得到了更深入的讨论。所有关于电学的讨论都限于那些直接关系到X射线管中X射线生产的概念。接下来是关于X射线束及其在患者中的相互作用、受试者对比度的产生和特性，以及强调放射成像技术的实际应用。这是常规信息，但所使用的术语和描述经过了精心调整以适应数字环境。有八章直接针对数字成像展开讨论，提供广泛的数字化图像捕捉、数字处理技术和两种CR和DR的应用物理覆盖内容。图像显示系统已更新至LCD屏幕及电子图像的物理学知识。PACS和医学影像信息学也被涵盖。辐射生物学与保护章节包括一个直面当前问题并展示实践中的辐射防护的观点。辐射生物学以大量的清晰插图进行了明确呈现，并发展了一个平衡看待辐射及其医疗应用的角度。为了强化学生的数学概念，书中各章中战略性地分布了数十个练习题，并在附录中提供了答案键。每个章节末尾的全面复习题目给予了充分而详尽的知识回顾。《放射学中数字技术》教材的教师资源通过光盘提供，其中包括所有复习问题的答案键和一个超过1500多个选择题的教员库。还包括35个实验课程，其中包含演示CR设备应用价值的15个。由杰出的医学物理学家支持，并附有美国放射物理学协会（AAPM）文档的支持下，这部教材提供了数字化放射学领域中可用信息最准确的信息以供所有放射学教师使用。

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