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Hands-On Image Processing and Computer Vision with Python

Hands-On Image Processing and Computer Vision with Python - Second Edition

By : Sandipan Dey
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Hands-On Image Processing and Computer Vision with Python

Hands-On Image Processing and Computer Vision with Python

By: Sandipan Dey

Overview of this book

Analyzing and understanding visual data has become essential in modern applications such as healthcare, security, remote sensing, manufacturing, and digital media. This book provides a hands-on guide to image processing and computer vision using Python, following a practical approach that bridges theory with implementation. As you progress through the chapters, you will develop proficiency in Python 3 and implement algorithms spanning classical image processing, modern computer vision, and state-of-the-art (SOTA) deep learning and generative AI. The book covers image enhancement, restoration, filtering, segmentation, feature extraction, classification, and object detection using libraries including NumPy, OpenCV, PIL, SciPy, scikit-image, scikit-learn, TensorFlow, Keras, and PyTorch. Advanced chapters introduce CNNs, Vision Transformers, transformer-based segmentation, modern detection frameworks, GANs, diffusion models, foundation models, image-to-image translation, super-resolution, and multimodal vision-language understanding. Real-world applications span medical imaging, remote sensing, banking, augmented reality, autonomous driving, industrial inspection, and intelligent visual analytics. By the end of the book, you will be equipped to design and implement real-world visual computing solutions. *Email sign-up and proof of purchase required
Table of Contents (20 chapters)
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1
Part 1: Foundations of Digital Image Processing
8
Part 2: Image Enhancement and Restoration Techniques
12
Part 3: Computer Vision and Generative AI
18
Other Books You May Enjoy
19
Index

Image input/output and display with Python

Efficiently reading, manipulating, and visualizing images are essential skills in image processing and computer vision. In this section, we will cover key Python libraries that facilitate these tasks, allowing you to work with various image formats and seamlessly integrate image data into your projects. We will primarily assume that the images are stored as files on the disk, so reading and writing images from the files are disk input/output (I/O) operations. These can be done in many ways using different libraries, some of which are demonstrated using the following examples.

Reading, saving and displaying images with PIL

The Python Imaging Library (PIL/Pillow) provides convenient functions for image I/O, manipulation, and visualization. The Image.open() function reads an image into a PIL.Image object, from which properties such as size, width, height, mode, format, and info can be accessed. The show() method displays the image using...

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