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Full-Text Articles in Physical Sciences and Mathematics
Pattern Recognition And Matching In Ice Core Data, Nathan Dunn
Pattern Recognition And Matching In Ice Core Data, Nathan Dunn
Honors College
The purpose of this research is to investigate the potential of applying concepts from ma- chine learning, such as pattern recognition and matching, to detect climatic signals in ice core data. The main components of this project are the development of a pattern language for expressing relationships between chemical signals over time, a method of tokenizing ice core chemistry data into an easily manageable form, a method of matching specific instances of climatic signals to a specific pattern string, and a method to recognize and evaluate patterns within ice core chemistry data. While there are weaknesses in each of these …
Reverse Engineering The Human Brain: An Evolutionary Computation Approach To The Analysis Of Fmri, Nicholas Allgaier
Reverse Engineering The Human Brain: An Evolutionary Computation Approach To The Analysis Of Fmri, Nicholas Allgaier
Graduate College Dissertations and Theses
The field of neuroimaging has truly become data rich, and as such, novel analytical methods capable of gleaning meaningful information from large stores of imaging data are in high demand. Those methods that might also be applicable on the level of individual subjects, and thus potentially useful clinically, are of special interest. In this dissertation we introduce just such a method, called nonlinear functional mapping (NFM), and demonstrate its application in the analysis of resting state fMRI (functional Magnetic Resonance Imaging) from a 242-subject subset of the IMAGEN project, a European study of risk-taking behavior in adolescents that includes longitudinal …