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Generative AI with Python and PyTorch

You're reading from Generative AI with Python and PyTorch Navigating the AI frontier with LLMs, Stable Diffusion, and next-gen AI applications

Product type Paperback

Published in Mar 2025

Publisher Packt

ISBN-13 9781835884447

Length 450 pages

Edition 2nd Edition

Languages

Python

Tools

PyTorch

Concepts

Artificial Intelligence

Authors (2):

Joseph Babcock

Raghav Bali

View More author details

Table of Contents (18) Chapters

Preface

1. Introduction to Generative AI: Drawing Data from Models

2. Building Blocks of Deep Neural Networks FREE CHAPTER

3. The Rise of Methods for Text Generation

4. NLP 2.0: Using Transformers to Generate Text

5. LLM Foundations

6. Open-Source LLMs

7. Prompt Engineering

8. LLM Toolbox

9. LLM Optimization Techniques

10. Emerging Applications in Generative AI

11. Neural Networks Using VAEs

12. Image Generation with GANs

13. Style Transfer with GANs

14. Deepfakes with GANs

15. Diffusion Models and AI Art

16. Other Books You May Enjoy

17. Index

A walk through image generation: Why we need diffusion models

Diffusion models are among the latest and most popular methods for image generation, particularly based on user-provided natural language prompts. The conceptual challenge of this class of image generation model is to create a method that is:

Scalable to train and execute
Able to generate a diversity of images, including with user-guided prompts
Able to generate natural-looking images
Has stable training behavior that is possible to replicate easily

One approach to this problem is “autoregressive” models, where the image is generated pixel by pixel, using the prior-generated pixels as successive inputs1. The inputs to these models could be both a set of image pixels and natural language instructions from the user that are encoded into an embedding vector. This approach is slow, as it makes each pixel dependent upon prior steps in the model output. As we’ve seen...

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Authors (2)

Joseph Babcock

Joseph Babcock

Joseph Babcock has spent over a decade working with big data and AI in the e-commerce, digital streaming, and quantitative finance domains. Throughout his career, he has worked on recommender systems, petabyte-scale cloud data pipelines, A/B testing, causal inference, and time series analysis. He completed his PhD studies at Johns Hopkins University, applying machine learning to drug discovery and genomics.

See other products by Joseph Babcock

Raghav Bali

Raghav Bali

Raghav Bali is a Staff Data Scientist at Delivery Hero, a leading food delivery service headquartered in Berlin, Germany. With 12+ years of expertise, he specializes in research and development of enterprise-level solutions leveraging Machine Learning, Deep Learning, Natural Language Processing, and Recommendation Engines for practical business applications. Besides his professional endeavors, Raghav is an esteemed mentor and an accomplished public speaker. He has contributed to multiple peer-reviewed papers and authored multiple well received books. Additionally, he holds co-inventor credits on multiple patents in healthcare, machine learning, deep learning, and natural language processing.

See other products by Raghav Bali

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