Essays about: "anomaly detection"

Showing result 1 - 5 of 240 essays containing the words anomaly detection.

  1. 1. Insurance Fraud Detection using Unsupervised Sequential Anomaly Detection

    University essay from Linköpings universitet/Institutionen för datavetenskap

    Author : Anton Hansson; Hugo Cedervall; [2022]
    Keywords : Insurance Fraud Detection; Anomaly Detection; Long Short-Term Memory Networks LSTM ; Unsupervised Learning; Autoencoder AE ; Variational Autoencoder VAE ; Interpretable Machine Learning; Feature Engineering; Feature Selection; Feature Importance;

    Abstract : Fraud is a common crime within the insurance industry, and insurance companies want to quickly identify fraudulent claimants as they often result in higher premiums for honest customers. Due to the digital transformation where the sheer volume and complexity of available data has grown, manual fraud detection is no longer suitable. READ MORE

  2. 2. Root-cause analysis with data-driven methods and machine learning in lithium-ion battery tests : Master's thesis about detecting deviations with PCA

    University essay from Uppsala universitet/Avdelningen för systemteknik

    Author : Frans Rademacher; [2022]
    Keywords : Machine learning; Li-ion; batteries; PCA; deviations; anomaly detection; root-cause analysis; differential capacity; feature engineering;

    Abstract : The increased demand of energy storage systems and electric vehicles on the market result in high demand of lithium-ion batteries. As a lithium-ion battery manufacturer, Northvolt runs quality tests on the products to assess their performance, life and safety. READ MORE

  3. 3. Analysis of Electricity Usage Time Series with K-means Clustering

    University essay from Uppsala universitet/Elektricitetslära

    Author : Göran Iliev; [2022]
    Keywords : electricty usage; office; residential; time series; clustering;

    Abstract : As the amount of collected and analysed data for electricity usage from buildings is increasing it becomes an important component in energy efficiency efforts. A huge problem when developing algorithms fordetection of anomalous electricity usage series is the lack of data setswith annotated normal usage series for training and evaluation purposes. READ MORE

  4. 4. Object and Anomaly Detection

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Kristofer Klarin; Daniel Larsson; [2022]
    Keywords : BSc Thesis; Computer Science; Computer Engineering; Machine Learning; Reproducibility; You Only Look Once YOLO ; Convolutional Neural Network;

    Abstract : This project aims to contribute to the discussion regarding reproducibility of machinelearning research. This is done through utilizing the methods specified in the report ImprovingReproducibility in Machine Learning Research [30] to select an appropriateobject detection machine learning research paper for reproduction. READ MORE

  5. 5. Detecting anomalies in financial data using Machine Learning

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Alexander Bakumenko; [2022]
    Keywords : machine learning; general ledger; anomaly detection;

    Abstract : .... READ MORE