Machine Learning Methods for Behaviour Analysis and Anomaly Detection in Video is popular PDF and ePub book, written by Olga Isupova in 2018-02-24, it is a fantastic choice for those who relish reading online the Technology & Engineering genre. Let's immerse ourselves in this engaging Technology & Engineering book by exploring the summary and details provided below. Remember, Machine Learning Methods for Behaviour Analysis and Anomaly Detection in Video can be Read Online from any device for your convenience.
Machine Learning Methods for Behaviour Analysis and Anomaly Detection in Video Book PDF Summary
This thesis proposes machine learning methods for understanding scenes via behaviour analysis and online anomaly detection in video. The book introduces novel Bayesian topic models for detection of events that are different from typical activities and a novel framework for change point detection for identifying sudden behavioural changes. Behaviour analysis and anomaly detection are key components of intelligent vision systems. Anomaly detection can be considered from two perspectives: abnormal events can be defined as those that violate typical activities or as a sudden change in behaviour. Topic modelling and change-point detection methodologies, respectively, are employed to achieve these objectives. The thesis starts with the development of learning algorithms for a dynamic topic model, which extract topics that represent typical activities of a scene. These typical activities are used in a normality measure in anomaly detection decision-making. The book also proposes a novel anomaly localisation procedure. In the first topic model presented, a number of topics should be specified in advance. A novel dynamic nonparametric hierarchical Dirichlet process topic model is then developed where the number of topics is determined from data. Batch and online inference algorithms are developed. The latter part of the thesis considers behaviour analysis and anomaly detection within the change-point detection methodology. A novel general framework for change-point detection is introduced. Gaussian process time series data is considered. Statistical hypothesis tests are proposed for both offline and online data processing and multiple change point detection are proposed and theoretical properties of the tests are derived. The thesis is accompanied by open-source toolboxes that can be used by researchers and engineers.
Detail Book of Machine Learning Methods for Behaviour Analysis and Anomaly Detection in Video PDF
- Author : Olga Isupova
- Release : 24 February 2018
- Publisher : Springer
- ISBN : 9783319755083
- Genre : Technology & Engineering
- Total Page : 144 pages
- Language : English
- PDF File Size : 16,9 Mb
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