优化医学影像三维渲染可视化效果:技术综述  

Optimizing the visual effects of 3D rendering in medical imaging:a technical review

作　　者：许丹丹[1,2] 崔勇 张世倩 刘雨聪 林予松[2,4] XU Dandan;CUI Yong;ZHANG Shiqian;LIU Yucong;LIN Yusong(School of Computer and Artificial Intelligence,Zhengzhou University,Zhengzhou Henan 450001,China;Collaborative Innovation Center for Internet Healthcare,Zhengzhou University,Zhengzhou Henan 450052,China;School of Computer Science and Technology,Zhengzhou University of Light Industry,Zhengzhou Henan 450002,China;School of Cyber Science and Engineering,Zhengzhou University,Zhengzhou Henan 450002,China)

机构地区：[1]郑州大学计算机与人工智能学院,河南郑州450001 [2]郑州大学互联网医疗与健康服务河南省协同创新中心,河南郑州450052 [3]郑州轻工业大学计算机科学与技术学院,河南郑州450002 [4]郑州大学网络空间安全学院,河南郑州450002

出　　处：《图学学报》2024年第5期879-891,共13页Journal of Graphics

基　　金：国家自然科学基金面上项目(81772009);郑州市协同创新重大专项项目(20XTZX05015)。

摘　　要：医学成像学是医学领域的一个重要分支,目前最常见的医学成像方式主要包括:磁共振成像、计算机断层扫描、超声成像、X射线、正电子发射断层扫描等。医学影像是通过各种成像技术获取信息实体,医学影像三维渲染是医学成像领域使用的一种可视化技术,对于可视化解剖结构、精准诊疗、手术规划等具有重要意义。分析医学影像三维渲染技术在可视化效果优化的研究现状,首先介绍了2种基础的三维渲染技术,然后从优化技术和框架两方面入手,介绍当前三维渲染可视化的优化研究,比较不同技术的特点、使用环境以及优缺点,为相关研究人员选择不同的技术提供参考,最后从主观和客观两方面介绍如何评价三维渲染的可视化效果。讨论了在技术发展过程中,存在引入的算法复杂度高、渲染效率降低、算法实时性差的问题,并思考解决这些问题的方法,探讨优化三维渲染可视化效果的未来发展方向。Medical imaging is a critical field in medicine,utilizing techniques such as magnetic resonance imaging(MRI),computed tomography(CT)scans,ultrasound(US),X-rays,and positron emission tomography(PET)scans.These medical images are generated through various imaging techniques.In this context,3D rendering has emerged as a pivotal visualization tool that plays a significant role in visualizing anatomical structures,enabling accurate diagnosis,effective treatment planning,and precise surgical interventions.This analysis examined the current state of research on optimizing visualization effects in 3D rendering technology within medical imaging.First,two fundamental 3D rendering techniques were introduced,providing a foundation for understanding the technological landscape.Following this,the discussion examined recent advancements in visualization optimization,focusing on two main areas:technical optimization and framework optimization.Technical optimization involved refining algorithms and methods to improve image quality and rendering speed.Framework optimization,on the other hand,focused on the integration of rendering technologies into broader software systems to enhance performance and usability.A comparative analysis of various optimization techniques was presented,highlighting their characteristics,application scenarios,and respective strengths and weaknesses.This comparison served as a reference for researchers and practitioners in selecting appropriate techniques for their specific needs.Evaluating the effectiveness of 3D rendering was another crucial aspect covered in this analysis.Both subjective and objective evaluation methods were explored to provide a comprehensive assessment of visualization quality.The analysis also discussed potential challenges posed by technological advancements,such as increased algorithm complexity,decreased rendering efficiency,and suboptimal real-time performance,as well as exploring potential solutions.Future directions for optimizing 3D rendering and visualization effects were ex

关 键 词：医学影像 三维渲染 传递函数 光线投射 全局照明 深度学习 

分 类 号：R445[医药卫生—影像医学与核医学] TP391.41[医药卫生—诊断学]