Introduction to Feature Extraction - Chapter 9 

F.  Jager

This page provides supplementary information and relevant links for Chapter 9 in Advanced Methods for ECG Analysis, which is co-edited by Francisco Azuaje and Patrick McSharry, and is published by Artech House. The main URL for this book can be found here, together with ordering information. Much of the software associated with this book can be found here.

Links:

• Morphology Representation Using Principal Components - Tutuorlal and software
• QRS Morphology Representation and Noise Estimation using the Karhunen-Loève Transform - George B. Moody and Roger G. Mark, Computers in Cardiology 1989, pp. 269-272
• ECGtools - A selection of ECG analysis tools in Matlab including a self-explaining QRS detector, filtering tools and HRV analysis algorithms.  
• Long-Term ST Database
• European ST Database
• SEMIA  - View time series of diagnostic and morphologic parameters of the Long-Term ST Database, together with the corresponding ECG waveforms and their annotations

Contents:

9.1 Overview of Feature Extraction Phases

9.2 Preprocessing

9.3 Derivation of Diagnostic and Morphologic Features Vectors

9.3.1 Derivation of Orthonormal Function Model Transform-Based

Morphology Feature Vectors

9.3.2 Derivation of Time-Domain Diagnostic and Morphologic Feature Vectors

9.4 Shape Representation in Terms of Feature-Vector Time Series

9.5 Appendix 9A