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Hands-On Java Deep Learning for Computer Vision

By : Ramo

1 (1)

Buy this Book

Hands-On Java Deep Learning for Computer Vision

1 (1)

By: Ramo

Buy this Book

Overview of this book

Although machine learning is an exciting world to explore, you may feel confused by all of its theoretical aspects. As a Java developer, you will be used to telling the computer exactly what to do, instead of being shown how data is generated; this causes many developers to struggle to adapt to machine learning. The goal of this book is to walk you through the process of efficiently training machine learning and deep learning models for Computer Vision using the most up-to-date techniques. The book is designed to familiarize you with neural networks, enabling you to train them efficiently, customize existing state-of-the-art architectures, build real-world Java applications, and get great results in a short space of time. You will build real-world Computer Vision applications, ranging from a simple Java handwritten digit recognition model to real-time Java autonomous car driving systems and face recognition models. By the end of this book, you will have mastered the best practices and modern techniques needed to build advanced Computer Vision Java applications and achieve production-grade accuracy.

Preface

Who this book is for

What this book covers

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Free Chapter

Introduction to Computer Vision and Training Neural Networks

The computer vision state

Exploring neural networks

How does a neural network learn?

Organizing data and applications

Effective training techniques

Optimizing algorithms

Configuring the training parameters of the neural network

Representing images and outputs

Building a handwritten digit recognizer

Summary

Convolutional Neural Network Architectures

Understanding edge detection

Building a Java edge detection application

Convolution on RGB images

Working with convolutional layers' parameters

Pooling layers

Building and training a Convolution Neural Network

Improving the handwritten digit recognition application

Summary

Transfer Learning and Deep CNN Architectures

Working with classical networks

Using residual networks for image recognition

The power of 1 x 1 convolutions and the inception network

Applying transfer learning

Neural networks

Building an animal image classification – using transfer learning and VGG-16 architecture

Summary

Real-Time Object Detection

Resolving object localization

Object detection with the sliding window solution

Convolutional sliding window

Detecting objects with the YOLO algorithm

Max suppression and anchor boxes

Building a real-time video, car, and pedestrian detection application

Summary

Creating Art with Neural Style Transfer

What are convolution network layers learning?

Neural style transfer

Applying content cost function

Applying style cost function

Building a neural network that produces art

Summary

Face Recognition

Problems in face detection

Differentiating inputs with Siamese networks

Exploring triplet loss

Binary classification

Building a face recognition Java application

Summary

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Real-Time Object Detection

In this chapter, we're going to solve one of the most challenging problems that arises from computer vision—real-time object detection.

We'll begin by getting familiar with the object localization problem, and learn how to label data and modify the network layer of the neural network to fit this problem. Throughout this chapter, we'll learn how to detect an object with using the sliding window technique and the convolutional window technique. We'll conclude each section by exploring the downsides of the method and how to overcome them. We'll take a closer look at the state-of-the-art algorithm, You Only Look Once (YOLO), that does a great job of detecting objects. We'll conclude this chapter by building a real-time application for object detection.

In this chapter, we'll cover the following topics: