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Applied Machine Learning and AI for Engineers

Name: Applied Machine Learning and AI for Engineers
Author: Jeff Prosise
ISBN: 9781492098058

by Jeff Prosise

November 2022

Intermediate to advanced

425 pages

11h 25m

English

O'Reilly Media, Inc.

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Foreword
Preface
Who Should Read This BookWhy I Wrote This BookRunning the Book’s Code SamplesNavigating This BookConventions Used in This BookUsing Code ExamplesO’Reilly Online LearningHow to Contact UsAcknowledgments
I. Machine Learning with Scikit-Learn
1. Machine Learning
What Is Machine Learning?Machine Learning Versus Artificial IntelligenceSupervised Versus Unsupervised LearningUnsupervised Learning with k-Means ClusteringApplying k-Means Clustering to Customer DataSegmenting Customers Using More Than Two DimensionsSupervised Learningk-Nearest NeighborsUsing k-Nearest Neighbors to Classify FlowersSummary
2. Regression Models
Linear RegressionDecision TreesRandom ForestsGradient-Boosting MachinesSupport Vector MachinesAccuracy Measures for Regression ModelsUsing Regression to Predict Taxi FaresSummary
3. Classification Models
Logistic RegressionAccuracy Measures for Classification ModelsCategorical DataBinary ClassificationClassifying Passengers Who Sailed on the TitanicDetecting Credit Card FraudMulticlass ClassificationBuilding a Digit Recognition ModelSummary
4. Text Classification
Preparing Text for ClassificationSentiment AnalysisNaive BayesSpam FilteringRecommender SystemsCosine SimilarityBuilding a Movie Recommendation SystemSummary
5. Support Vector Machines
How Support Vector Machines WorkKernelsKernel TricksHyperparameter TuningData NormalizationPipeliningUsing SVMs for Facial RecognitionSummary
6. Principal Component Analysis
Understanding Principal Component AnalysisFiltering NoiseAnonymizing DataVisualizing High-Dimensional DataAnomaly DetectionUsing PCA to Detect Credit Card FraudUsing PCA to Predict Bearing FailureMultivariate Anomaly DetectionSummary
7. Operationalizing Machine Learning Models
Consuming a Python Model from a Python ClientVersioning Pickle FilesConsuming a Python Model from a C# ClientContainerizing a Machine Learning ModelUsing ONNX to Bridge the Language GapBuilding ML Models in C# with ML.NETSentiment Analysis with ML.NETSaving and Loading ML.NET ModelsAdding Machine Learning Capabilities to ExcelSummary

II. Deep Learning with Keras and TensorFlow
8. Deep Learning
Understanding Neural NetworksTraining Neural NetworksSummary
9. Neural Networks
Building Neural Networks with Keras and TensorFlowSizing a Neural NetworkUsing a Neural Network to Predict Taxi FaresBinary Classification with Neural NetworksMaking PredictionsTraining a Neural Network to Detect Credit Card FraudMulticlass Classification with Neural NetworksTraining a Neural Network to Recognize FacesDropoutSaving and Loading ModelsKeras CallbacksSummary
10. Image Classification with Convolutional Neural Networks
Understanding CNNsUsing Keras and TensorFlow to Build CNNsTraining a CNN to Recognize Arctic WildlifePretrained CNNsUsing ResNet50V2 to Classify ImagesTransfer LearningUsing Transfer Learning to Identify Arctic WildlifeData AugmentationImage Augmentation with ImageDataGeneratorImage Augmentation with Augmentation LayersApplying Image Augmentation to Arctic WildlifeGlobal PoolingAudio Classification with CNNsSummary
11. Face Detection and Recognition
Face DetectionFace Detection with Viola-JonesUsing the OpenCV Implementation of Viola-JonesFace Detection with Convolutional Neural NetworksExtracting Faces from PhotosFacial RecognitionApplying Transfer Learning to Facial RecognitionBoosting Transfer Learning with Task-Specific WeightsArcFacePutting It All Together: Detecting and Recognizing Faces in PhotosHandling Unknown Faces: Closed-Set Versus Open-Set ClassificationSummary
12. Object Detection
R-CNNsMask R-CNNYOLOYOLOv3 and KerasCustom Object DetectionTraining a Custom Object Detection Model with the Custom Vision ServiceUsing the Exported ModelSummary
13. Natural Language Processing
Text PreparationWord EmbeddingsText ClassificationAutomating Text VectorizationUsing TextVectorization in a Sentiment Analysis ModelFactoring Word Order into PredictionsRecurrent Neural Networks (RNNs)Using Pretrained Models to Classify TextNeural Machine TranslationLSTM Encoder-DecodersTransformer Encoder-DecodersBuilding a Transformer-Based NMT ModelUsing Pretrained Models to Translate TextBidirectional Encoder Representations from Transformers (BERT)Building a BERT-Based Question Answering SystemFine-Tuning BERT to Perform Sentiment AnalysisSummary
14. Azure Cognitive Services
Introducing Azure Cognitive ServicesKeys and EndpointsCalling Azure Cognitive Services APIsAzure Cognitive Services ContainersThe Computer Vision ServiceThe Language ServiceThe Translator ServiceThe Speech ServicePutting It All Together: Contoso TravelSummary
Index
About the Author

Content preview from Applied Machine Learning and AI for Engineers

Chapter 10. Image Classification with Convolutional Neural Networks

Computer vision is a branch of deep learning in which computers discern information from images. Real-world uses include identifying objects in photos, removing inappropriate images from social media sites, counting the cars in line at a tollbooth, and recognizing faces in photos. Computer-vision models can even be combined with natural language processing (NLP) models to caption photos. I snapped a photo while on vacation and asked Azure’s Computer Vision service to caption it. The result is shown in Figure 10-1. It’s somewhat remarkable given that no human intervention was required.

The field of computer vision has advanced rapidly in recent years, mostly due to convolutional neural networks, also known as CNNs or ConvNets. In 2012, an eight-layer CNN called AlexNet outperformed traditional machine learning models entered in the annual ImageNet Large Scale Visual Recognition Challenge (ILSVRC) by achieving an error rate of 15.3% when identifying objects in photos. In 2015, ResNet-152 featuring a whopping 152 layers won the challenge with an error rate of just 3.5%, which exceeds a human’s ability to classify images featured in the competition.

CNNs are magical because they treat images as images rather than just arrays of pixel ...

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Applied Machine Learning and AI for Engineers

by Jeff Prosise

Chapter 10. Image Classification with Convolutional Neural Networks

Figure 10-1. “A body of water with a dock and a building in the background”—Azure AI

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