Book Image

Deep Learning for Computer Vision

By : Rajalingappaa Shanmugamani
Book Image

Deep Learning for Computer Vision

By: Rajalingappaa Shanmugamani

Overview of this book

Deep learning has shown its power in several application areas of Artificial Intelligence, especially in Computer Vision. Computer Vision is the science of understanding and manipulating images, and finds enormous applications in the areas of robotics, automation, and so on. This book will also show you, with practical examples, how to develop Computer Vision applications by leveraging the power of deep learning. In this book, you will learn different techniques related to object classification, object detection, image segmentation, captioning, image generation, face analysis, and more. You will also explore their applications using popular Python libraries such as TensorFlow and Keras. This book will help you master state-of-the-art, deep learning algorithms and their implementation.

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Table of Contents (17 chapters)
Title Page
Title Page
Copyright and Credits
Copyright and Credits
Packt Upsell
Packt Upsell
Foreword
Foreword
Contributors
Contributors
Preface
Preface
Free Chapter
1
Getting Started
Getting Started
Understanding deep learning
Deep learning for computer vision
Development environment setup
Summary
2
Image Classification
Image Classification
Training the MNIST model in TensorFlow
Training the MNIST model in Keras
Other popular image testing datasets 
The bigger deep learning models
Training a model for cats versus dogs
Developing real-world applications
Summary
3
Image Retrieval
Image Retrieval
Understanding visual features
Model inference
Content-based image retrieval
Summary
4
Object Detection
Object Detection
Detecting objects in an image
Exploring the datasets
Localizing algorithms 
Detecting objects
Object detection API
The YOLO object detection algorithm 
Summary
5
Semantic Segmentation
Semantic Segmentation
Predicting pixels
Datasets
Algorithms for semantic segmentation
Ultra-nerve segmentation
Segmenting satellite images
Segmenting instances
Summary
6
Similarity Learning
Similarity Learning
Algorithms for similarity learning
Human face analysis
Summary
7
Image Captioning
Image Captioning
Understanding the problem and datasets
Understanding natural language processing for image captioning
Approaches for image captioning and related problems
Implementing attention-based image captioning
Summary
8
Generative Models
Generative Models
Applications of generative models
Neural artistic style transfer
Generative Adversarial Networks
Visual dialogue model
Summary
9
Video Classification
Video Classification
Understanding and classifying videos 
Extending image-based approaches to videos
Summary
10
Deployment
Deployment
Performance of models
Deployment in the cloud
Deployment of models in devices
Summary
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Developing real-world applications

Recognizing cats and dogs is a cool problem but less likely a problem of importance. Real-world applications of image classification used in products may be different. You may have different data, targets, and so on. In this section, you will learn the tips and tricks to tackle such different settings. The factors that should be considered when approaching a new problem are as follows:

  • The number of targets. Is it a 10 class problem or 10,000 class problem?
  • How vast is the intra-class variance? For example, does the different type of cats have to be identified under one class label?
  • How vast is the inter-class variance? For example, do the different cats have to be identified?
  • How big is the data?
  • How balanced is the data? 
  • Is there already a model that is trained with a lot of images?
  • What is the requisite for deployment inference time and model size? Is it 50 milliseconds on an iPhone or 10 milliseconds on Google Cloud Platform? How much RAM can be consumed...
Previous Section
End of Section 7
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