This book is aimed to provide an overview of general deep learning methodology and its applications to a variety of signal and information processing tasks. The application areas are chosen with the following three criteria: 1) expertise or knowledge of the authors; 2) the application areas that have already been transformed by the successful use of deep learning technology, such as speech recognition and computer vision; and 3) the application areas that have the potential to be impacted significantly by deep learning and that have gained concentrated research efforts, including natural language and text processing, information retrieval, and multimodal information processing empowered by multi-task deep learning.
In Chapter 1, we provide the background of deep learning, as intrinsically connected to the use of multiple layers of nonlinear transformations to derive features from the sensory signals such as speech and visual images. In the most recent literature, deep learning is embodied also as representation learning, which involves a hierarchy of features or concepts where higher-level representations of them are defined from lower-level ones and where the same lower-level representations help to define higher-level ones. In Chapter 2, a brief historical account of deep learning is presented. In particular, selected chronological development of speech recognition is used to illustrate the recent impact of deep learning that has become a dominant technology in speech recognition industry within only a few years since the start of a collaboration between academic and industrial researchers in applying deep learning to speech recognition. In Chapter 3, a three-way classification scheme for a large body of work in deep learning is developed. We classify a growing number of deep learning techniques into unsupervised, supervised, and hybrid categories, and present qualitative descriptions and a literature survey for each category. From Chapter 4 to Chapter 6, we discuss in detail three popular deep networks and related learning methods, one in each category. Chapter 4 is devoted to deep autoencoders as a prominent example of the unsupervised deep learning techniques. Chapter 5 gives a major example in the hybrid deep network category, which is the discriminative feed-forward neural network for supervised learning with many layers initialized using layer-by-layer generative, unsupervised pre-training. In Chapter 6, deep stacking networks and several of the variants are discussed in detail, which exemplify the discriminative or supervised deep learning techniques in the three-way categorization scheme.
In Chapters 7-11, we select a set of typical and successful applications of deep learning in diverse areas of signal and information processing and of applied artificial intelligence. In Chapter 7, we review the applications of deep learning to speech and audio processing, with emphasis on speech recognition organized according to several prominent themes. In Chapters 8, we present recent results of applying deep learning to language modeling and natural language processing. Chapter 9 is devoted to selected applications of deep learning to information retrieval including Web search. In Chapter 10, we cover selected applications of deep learning to image object recognition in computer vision. Selected applications of deep learning to multi-modal processing and multi-task learning are reviewed in Chapter 11. Finally, an epilogue is given in Chapter 12 to summarize what we presented in earlier chapters and to discuss future challenges and directions.
http://research.microsoft.com/en-us/people/deng/
这本书的排版和配图质量绝对是顶级的享受。在学习技术书籍时,清晰的图示往往能节省我数小时的理解时间,而这本书在这方面做得无可挑剔。每一个核心概念,无论是反向传播的链式法则应用,还是注意力机制的权重分配可视化,都配有精美的、信息密度适中的插图。这些图表设计得非常用心,它们不仅是文字的补充,更是解释复杂流程的视觉辅助工具。例如,书中关于批归一化(Batch Normalization)的图示,清晰地展示了层内激活值的分布变化,使得“标准化”这个抽象操作变得直观可感。这种对细节的极致追求,反映了编者对信号处理领域严谨性要求的深刻理解。读起来让人感到愉悦,阅读体验远超许多同类书籍。它让学习过程少了一些挫败感,多了一份流畅的探索乐趣。
评分我必须承认,这本书的阅读门槛并不算低,但它绝对物有所值。它要求读者具备一定的数学直觉和对工程实践的渴望。书中关于深度学习在特定信号处理任务(如谱分析或传感器数据融合)中的应用案例,虽然篇幅不占绝对主导,但其深度和相关性极强。它没有仅仅停留在人脸识别或自然语言处理的“大热门”案例上,而是深入到了信号处理人员日常会遇到的痛点。作者巧妙地将深度学习的框架,比如使用自编码器进行特征降维或使用LSTM处理非平稳时间序列,融入到具体的信号流程图中,这对于我们这些习惯于传统信号处理流程的工程师来说,是一个极佳的思维转换契机。这本书成功地架设了一座桥梁,连接了经典的信号处理理论与前沿的深度学习方法论,使得跨领域知识的迁移变得顺理成章。
评分这是一本在信号处理领域中备受推崇的深度学习入门经典,作者以一种非常清晰且系统的方式,将复杂的理论概念娓娓道来。书中对基础数学原理的阐述深入浅出,即便是对统计学和线性代数基础不够扎实的读者,也能借助书中的详尽解释跟上思路。我特别欣赏作者在讲解核心算法时所采用的对比和类比手法,这极大地帮助我理解了不同模型之间的细微差别和适用场景。例如,书中对卷积神经网络(CNN)和循环神经网络(RNN)的结构解析,并非仅仅停留在公式层面,而是结合了实际的信号处理任务,比如图像识别和时间序列预测,让理论真正落地。全书的编排逻辑紧凑,从最基本的神经网络结构,逐步过渡到更高级的优化技术和正则化方法,每一步的衔接都自然流畅,给人一种构建知识大厦的扎实感。它更像一位耐心且博学的导师,引导你一步步揭开深度学习的神秘面纱,而非仅仅是一本干巴巴的公式手册。如果你正打算深入这个领域,这本书无疑是一个极佳的起点,它为后续的学习打下了坚实的地基。
评分阅读完这本书,我最大的感受是它的广度与深度达到了一个令人惊叹的平衡点。它没有陷入当前某些热门技术名词的狂热追逐,而是将笔墨放在了那些久经考验、真正具有“基础”意义的方法论上。书中对梯度下降变体的讨论细致入微,从基础的随机梯度下降到更复杂的Adam、RMSProp,作者不仅描述了它们的工作原理,更深入探讨了它们在不同数据集规模和特征维度下表现的差异,这对于实际项目调参优化具有极强的指导价值。再者,书中对于模型泛化能力的探讨,包括偏差-方差权衡、早停策略的理论依据,都进行了非常严谨的论证。这使得读者在实际应用中,不再是盲目地堆砌层数或神经元,而是能从更底层的原理出发,设计出既有效又不容易过拟合的模型。这种注重根基、强调原理性的叙事风格,使得这本书的价值经得起时间的考验,它教授的知识体系是稳定且通用的,而不是昙花一现的技巧集合。
评分这本书最让我感到惊喜的是它对“不确定性量化”和“可解释性”这些高阶议题的探讨。在许多入门书籍中,模型训练完成后往往就戛然而止,但本书将重点放在了如何评估模型输出的可靠性上。它系统地介绍了贝叶斯方法在深度学习中的应用尝试,以及LIME、SHAP等可解释性工具的基本思想和局限性。对于任何需要将模型部署到关键决策系统(如医疗诊断或工业控制)的工程师或研究人员而言,知道模型为什么做出某个决策,比模型本身能做什么更为重要。书中对这些伦理和工程实践层面的深入讨论,体现了作者超越技术实现层面的深刻洞察力。这使得这本书不仅仅是一本“怎么做”的指南,更是一本关于“应该怎么做以及为什么这么做”的思考框架,极大地拓宽了我的视野。
评分Review
评分搞语音识别的人写的,书的布局框架多少还是受背景影响,有些地方讲得不深。
评分搞语音识别的人写的,书的布局框架多少还是受背景影响,有些地方讲得不深。
评分搞语音识别的人写的,书的布局框架多少还是受背景影响,有些地方讲得不深。
评分搞语音识别的人写的,书的布局框架多少还是受背景影响,有些地方讲得不深。
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