The Little Book of Generative AI Foundations: An Intuitive Mathematical Primer

GenAI Diffusion GANs Other GenAI ML Generative Models
本书以推导为导向,精炼而系统地介绍了现代生成式人工智能的数学基础。它并非面面俱到地罗列各类最新模型架构或实现细节,而是构建了一条逻辑连贯的知识路径,串联起主要生成模型家族的核心思想——从主成分分析(PCA)、概率主成分分析(Probabilistic PCA)、变分自编码器(VAE)、扩散模型(Diffusion Models),到归一化流(Normalising Flows)、自回归分解(Autoregressive Factorisations)、生成对抗网络(GANs)、Wasserstein GAN(WGAN)以及基于能量的模型(Energy-Based Models)。其目标是在不削弱必要数学深度的前提下,使生成建模的整体结构更清晰易懂,从而帮助读者真正理解这些模型是如何被严格推导出来的,以及彼此之间存在怎样的理论关联。本书定位为一本夯实基础的入门读物,面向对数学原理怀有好奇心的研究人员、一线从业者及研究生。
This book provides a compact, derivation-oriented introduction to the mathematical foundations of modern generative artificial intelligence. Rather than surveying every recent architecture or implementation detail, it develops a coherent route through the ideas connecting major families of generative models, from PCA, probabilistic PCA, variational autoencoders, and diffusion models to normalising flows, autoregressive factorisations, GANs, Wasserstein GANs, and energy-based models. The aim is to make the structure of generative modelling more accessible without removing the mathematical substance needed to understand how these models are derived and related. The book is intended as a foundation-building primer for mathematically curious researchers, practitioners, and students.
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