Essays about: "Time series segmentation"
Showing result 16 - 19 of 19 essays containing the words Time series segmentation.
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16. Clustering in Financial Markets : A Network Theory Approach
University essay from KTH/Optimeringslära och systemteoriAbstract : In this thesis we consider graph partition of a particular kind of complex networks referred to as power law graphs. In particular, we focus our analysis on the market graph, constructed from time series of price return on the American stock market. READ MORE
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17. Locating Multiple Change-Points Using a Combination of Methods
University essay from KTH/Matematisk statistikAbstract : The aim of this study is to find a method that is able to locate multiple change-points in a time series with unknown properties. The methods that are investigated are the CUSUM and CUSUM of squares test, the CUSUM test with OLS residuals, the Mann-Whitney test and Quandt’s log likelihood ratio. READ MORE
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18. Perfusion MRI: Non-Linear Stochastic Regularization for Deconvolution of Model-Free Arterial Spin Labelling Data
University essay from Lunds universitet/SjukhusfysikerutbildningenAbstract : Introduction: Arterial spin labelling (ASL) is a non-invasive magnetic resonance imaging (MRI) technique for assessment of perfusion. ASL uses magnetically labelled blood water as a diffusible endogenous tracer to measure the perfusion of brain tissue, i.e. the cerebral blood flow (CBF). READ MORE
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19. Diffusion Tensor Imaging in the Cervical Spinal Cord: Implementing methods for acquisition, processing and evaluation
University essay from Lunds universitet/SjukhusfysikerutbildningenAbstract : Diffusion tensor magnetic resonance imaging (DT-MRI or DTI) is an imaging technique that is sensitive to the diffusion movement of water contained in tissue. It is used to quantify parameters such as the diffusivity and its directionality. READ MORE