Up-to-date, technically accurate coverage of essential topics in image and video processing This is the first book to combine image and video processing with a practical MATLAB®-oriented approach in order to demonstrate the most important image and video techniques and algorithms. Utilizing minimal math, the contents are presented in a clear, objective manner, emphasizing and encouraging experimentation. The book has been organized into two parts. Part I: Image Processing begins with an overview of the field, then introduces the fundamental concepts, notation, and terminology associated with image representation and basic image processing operations. Next, it discusses MATLAB® and its Image Processing Toolbox with the start of a series of chapters with hands-on activities and step-by-step tutorials. These chapters cover image acquisition and digitization; arithmetic, logic, and geometric operations; point-based, histogram-based, and neighborhood-based image enhancement techniques; the Fourier Transform and relevant frequency-domain image filtering techniques; image restoration; mathematical morphology; edge detection techniques; image segmentation; image compression and coding; and feature extraction and representation. Part II: Video Processing presents the main concepts and terminology associated with analog video signals and systems, as well as digital video formats and standards. It then describes the technically involved problem of standards conversion, discusses motion estimation and compensation techniques, shows how video sequences can be filtered, and concludes with an example of a solution to object detection and tracking in video sequences using MATLAB®. Extra features of this book include: More than 30 MATLAB® tutorials, which consist of step-by-step guides to exploring image and video processing techniques using MATLAB® Chapters supported by figures, examples, illustrative problems, and exercises Useful websites and an extensive list of bibliographical references This accessible text is ideal for upper-level undergraduate and graduate students in digital image and video processing courses, as well as for engineers, researchers, software developers, practitioners, and anyone who wishes to learn about these increasingly popular topics on their own.
Oge Marques, PhD, is Associate Professor in the Department of Computer & Electrical Engineering and Computer Science at Florida Atlantic University. He has been teaching and doing research on image and video processing for more than twenty years, in seven different countries. Dr. Marques is the coauthor of Processamento Digital de Imagens and Content-Based Image and Video Retrieval and was editor-in-chief of the Handbook of Video Databases, a comprehensive work with contributions from more than 100 world experts in the field. He is a Senior Member of both the IEEE and the ACM.
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我过去尝试过几本关于数字信号处理在图像领域应用的教材,它们往往过于偏重于理论推导,以至于我花了大量时间在搞懂那些复杂的希尔伯特变换或Z变换,却对如何实际应用感到茫然。这本书的处理方式截然不同,它将这些数学工具视为解决实际问题的“工具箱”里的利器,而不是高悬在空中的理论大厦。例如,在讲解降噪滤波时,它不会只是罗列高斯滤波和中值滤波的公式,而是会通过对比实验展示,在有椒盐噪声的环境下,中值滤波的鲁棒性远胜于高斯滤波,并深入分析了背后的原理——即中值滤波不对局部灰度剧烈变化的边界信息产生过大影响。这种以结果为导向,理论为支撑的叙述风格,对于追求效率和实际效果的读者来说,简直是量身定制。这本书真正教会我的,是如何成为一个能用数学语言精确描述和解决视觉问题的实践者,而不是一个仅仅会调用函数的“脚本小子”。
评分我不得不说,这本书的排版和插图质量,在同类技术书籍中绝对算得上是上乘之作。许多关于图像滤波、特征提取(如SIFT或HOG)的章节,都配有极其精美且信息量丰富的对比图表。例如,当介绍不同边缘检测算子(如Sobel、Canny)对同一张模糊图像的处理效果时,那些细致入微的局部放大图,清晰地展示了每种算法的优缺点和适用场景,这种可视化教学的力量是纯文本难以比拟的。此外,书中对代码块的处理也十分考究,变量命名清晰,注释详尽得几乎可以自成体系。我曾尝试着不看官方文档,仅凭书中的示例代码和讲解,就能复现出几个关键的图像分割算法,这对于节省学习时间、避免陷入官方文档的冗长泥潭来说,简直是福音。这本书的作者显然非常注重读者的阅读体验,每一页的留白、字体选择,都透露出一种对知识传播效率的极致追求。
评分说实话,我对这类强调“工程实践”的书籍一向持保留态度,因为很多时候它们在理论深度上总是显得有些单薄。然而,这本书成功地打破了我的固有印象。它没有回避那些深层的数学原理,比如在讨论色彩空间转换时,它会细致地追溯到人眼视觉系统的生理基础,然后才引出具体的矩阵运算。更让我惊喜的是,书中对视频处理部分的处理手法——如何处理帧间冗余、如何进行运动估计,这些都是在一般的入门级读物中鲜少被深入探讨的内容。作者似乎有一种近乎偏执的严谨性,即便是看似简单的图像配准问题,也会探讨不同优化策略下的收敛速度差异。这使得这本书不仅仅是一本“怎么做”的手册,更是一本指导你“为什么这么做”的深度指南。读完后,我感觉自己对底层算法的理解上升到了一个新的高度,不再满足于调用现成的库函数,而是开始思考如何根据特定场景优化现有算法的性能瓶颈。
评分这本书的结构安排非常流畅,它遵循了一个非常符合直觉的学习路径:从基础的数字图像表示和预处理开始,逐步过渡到高级的特征提取、目标识别,最后收尾于复杂的视频分析与压缩技术。这种渐进式的知识铺陈,极大地降低了学习曲线的陡峭程度。我特别欣赏作者在每一章末尾设置的“思考题”部分,它们往往不是简单的概念回顾,而是抛出一些开放性的工程挑战,比如“如何设计一个能够在低功耗嵌入式设备上实时运行的运动跟踪器?”这类问题,极大地激发了读者利用所学知识进行创新的热情。这本书的价值远超出了书本本身,它更像是一个激发学习者自我驱动的催化剂。那些在实际项目中遇到瓶颈,急需一个系统性知识框架来梳理思路的工程师们,会发现这本书提供的知识体系结构异常坚固和实用。
评分这本书的封面设计着实抓人眼球,那种深邃的蓝色调配合着几帧跳动的像素点阵,立刻让人联想到图像处理那些光影交错的魔幻世界。初次翻阅,我最直观的感受是其内容的广度与深度达到了一个令人赞叹的平衡点。它并非那种只会罗列晦涩公式的教科书,反而在讲解傅里叶变换、小波分析等核心理论时,总是能巧妙地穿插进实际的应用案例,比如如何用这些数学工具去优化一个低分辨率监控画面的清晰度,或者如何在视频流中高效地检测出运动物体。作者似乎深谙我们这些动手型学习者的渴望——不仅要知其然,更要知其所以然。尤其值得称道的是,书中对算法实现细节的描述,那种层层递进的讲解方式,让你感觉自己不是在阅读文字,而是在与一位经验丰富的导师并肩坐在电脑前,一步步构建起复杂的处理流程。对于那些已经掌握了基础编程能力,渴望将理论知识转化为实际工程解决方案的人来说,这本书无疑是一座灯塔,它指引的方向清晰而坚定,让人充满探索的动力。
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