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Real-time fraud detection using AWS serverless and machine learning services

AWS Machine Learning Blog

In this post, we show a serverless approach to detect online transaction fraud in near-real time. Streaming data inspection and fraud detection/prevention This architecture uses Lambda and Step Functions to enable real-time Kinesis data stream data inspection and fraud detection and prevention using Amazon Fraud Detector.

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Build a contextual text and image search engine for product recommendations using Amazon Bedrock and Amazon OpenSearch Serverless

AWS Machine Learning Blog

In this post, we show how to build a contextual text and image search engine for product recommendations using the Amazon Titan Multimodal Embeddings model , available in Amazon Bedrock , with Amazon OpenSearch Serverless. The goal is to learn interactions and correlations between the modalities.

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Automate the process to change image backgrounds using Amazon Bedrock and AWS Step Functions

AWS Machine Learning Blog

However, Amazon Bedrock and AWS Step Functions make it straightforward to automate this process at scale. Step Functions allows you to create an automated workflow that seamlessly connects with Amazon Bedrock and other AWS services. The DynamoDB update triggers an AWS Lambda function, which starts a Step Functions workflow.

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Automate Amazon Rekognition Custom Labels model training and deployment using AWS Step Functions

AWS Machine Learning Blog

Generating this data can take months to gather and require large teams of labelers to prepare it for use in machine learning (ML). In this post, we show how you can use AWS Step Functions to build and automate the workflow. Solution overview The Step Functions workflow is as follows: We first create an Amazon Rekognition project.

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Optimize equipment performance with historical data, Ray, and Amazon SageMaker

AWS Machine Learning Blog

Offline reinforcement learning is a control strategy that allows industrial companies to build control policies entirely from historical data without the need for an explicit process model. To learn more about reinforcement learning, see Use Reinforcement Learning with Amazon SageMaker.

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Introducing an image-to-speech Generative AI application using Amazon SageMaker and Hugging Face

AWS Machine Learning Blog

The DescribeForMe web app invokes the backend AI services by sending the Amazon S3 object Key in the payload to Amazon API Gateway Amazon API Gateway instantiates an AWS Step Functions workflow. The AWS Step Functions workflow creates an audio file as output and stores it in Amazon S3 in MP3 format.

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Build a vaccination verification solution using the Queries feature in Amazon Textract

AWS Machine Learning Blog

Amazon Textract is a machine learning (ML) service that enables automatic extraction of text, handwriting, and data from scanned documents, surpassing traditional optical character recognition (OCR). Amazon Textract analyzes the image and sends the answers of these queries back to the Lambda function. What is Name?

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