pages—tools for data display

Advanced Methods and Tools for ECG Data Analysis - Part 1 ppt

Advanced Methods and Tools for ECG Data Analysis - Part 1 ppt

Ngày tải lên : 13/08/2014, 12:20
... techniques for supervised classification and hybrid techniques for classifying ECG metrics, where the data labels are already known, and Chapter 13 presents unsupervised learning techniques for ECG ... Cataloging-in-Publication Data A catalog record for this book is available from this U.S Library of Congress British Library Cataloguing in Publication Data A catalogue record for this book is available from ... Population 2.2.2 Data Collection Location and Length 2.2.3 Energy and Data Transmission Routes 2.2.4 Electrode Type and Configuration 2.2.5 ECG-Related Signals 2.2.6 Issues When Collecting Data from...
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Advanced Methods and Tools for ECG Data Analysis - Part 2 doc

Advanced Methods and Tools for ECG Data Analysis - Part 2 doc

Ngày tải lên : 13/08/2014, 12:20
... sufficient for the signal processing tasks Data formats: When storing data, it is important to use an accurate and verifiable data format (at each step) If data are to be converted to another format, ... when choosing a data format and access libraries include: • • • • • • • • • • • • • What are the data going to be used for? Are the data format and libraries extensible? Is the data format compact? ... metrics See Schneider [33] for more information on libRASCH 2.4 Database Analysis−−An Example Using WFDB Before performing any data collection, or more frequently during data collection, it is important...
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Advanced Methods and Tools for ECG Data Analysis - Part 3 docx

Advanced Methods and Tools for ECG Data Analysis - Part 3 docx

Ngày tải lên : 13/08/2014, 12:20
... (sensitivity, specificity) on the MIT-BIH database [2] of 93.2%, 94.4% for sinus rhythm, 100%, 96.2% for superventricular tachycardia, 97.7%, 98.6% for VT, and 98.6%, 97.7% for VFIB They also report classification ... Missing Data 3.7.5.1 A Note on Spectral Leakage and Window Carpentry The periodogram for unevenly spaced data allows two different forms of spectral adjustment: the application of time-domain (data) ... also appropriate routes for dealing with missing data However, the LSP appears to be sufficient for HRV analysis, even with a low SNR [53] 22 Instead of weighting nearby data points by some power...
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Advanced Methods and Tools for ECG Data Analysis - Part 4 ppsx

Advanced Methods and Tools for ECG Data Analysis - Part 4 ppsx

Ngày tải lên : 13/08/2014, 12:20
... downsampling, for instance), information is often lost and the transformation is not invertible In general, lossy transformations involve a noninvertible transformation of data using a transformation ... correspond to the noise In general, transforms can be categorized as orthogonal or biorthogonal transformations For orthogonal transformations, the transformed signal is the same 135 P1: Shashi ... considered For normally distributed time series, semivariograms provide accurate estimates for 1.2 < β < 2.5, rescaled range for 0.0 < β < 0.8, DFA for −0.8 < β < 2.2, and power spectra and wavelets for...
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Advanced Methods and Tools for ECG Data Analysis - Part 5 pdf

Advanced Methods and Tools for ECG Data Analysis - Part 5 pdf

Ngày tải lên : 13/08/2014, 12:20
... wavelets (except for the Haar wavelet) Therefore, bior 3.3 is a good choice for a general ECG filter It should be noted that the filtering performance of each wavelet will be different for different ... transformation of data onto a set of axes which are not necessarily orthogonal Both PCA and ICA can be used to perform lossy or lossless transformations by multiplying the recorded (observation) data ... inputs and outputs; the target data vector is simply the input data vector Therefore, no labeling of training data is required An auto-associative neural network performs dimensionality reduction...
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Advanced Methods and Tools for ECG Data Analysis - Part 6 docx

Advanced Methods and Tools for ECG Data Analysis - Part 6 docx

Ngày tải lên : 13/08/2014, 12:20
... frequency and it therefore has a bandpass filtering effect leading to a lossy transformation of the data into a set of integrable Gaussians distributed over time This approach could therefore be used ... sufficient for TWA analysis Some time-domain analyses for TWA found essentially identical results for sampling frequencies of 250 to 1,000 Hz, with only slight deterioration with 100-Hz sampling [46] For ... evaluate and compare the performance of the EDR algorithms, the derived respiratory information should be compared to respiratory information simultaneously recorded Performance measurements may...
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Advanced Methods and Tools for ECG Data Analysis - Part 7 ppt

Advanced Methods and Tools for ECG Data Analysis - Part 7 ppt

Ngày tải lên : 13/08/2014, 12:20
... is not found, the procedure searches forwards in each ECG lead for up to TJ = 68 ms for a part of the waveform which “starts to flatten” (i.e., a part of waveform where slope became smaller than ... events which are visually informative and accessible for analysis at any time instant Therefore, a technique which converts such point event series into a form suitable for standard analysis techniques ... successfully used in [28] The procedure searches forwards in each lead from the FP(j) for up to TS = 32 ms for a sample, where the slope of the waveform equals zero or changes sign This is usually...
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Advanced Methods and Tools for ECG Data Analysis - Part 8 docx

Advanced Methods and Tools for ECG Data Analysis - Part 8 docx

Ngày tải lên : 13/08/2014, 12:20
... waveform in the data set Therefore, we chose to distribute the waveforms at random among the different experts (such that each waveform was measured by one expert only) For each ECG waveform, ... the data This particular formulation offers an attractive framework for ECG signal modeling, since it allows each of the ECG waveform features (i.e., P wave, QRS complex, T wave, and so forth) ... straightforwardly in a supervised manner using a data set of ECG waveforms together with the corresponding expert measurements of the waveform feature boundaries Alternatively, if the data set...
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Advanced Methods and Tools for ECG Data Analysis - Part 9 ppsx

Advanced Methods and Tools for ECG Data Analysis - Part 9 ppsx

Ngày tải lên : 13/08/2014, 12:20
... different clinical classes This is, for example, observed in ECG waveforms contained in the MIT-BIH Arrhythmia Database [9] In this database there are ECG waveforms of 12 types of abnormal beats: ... double-beat segmentations for those waveforms that naturally give rise to larger annotation errors (and hence these waveforms are excluded from the annotation error computations for this model) The ... orthonormal basis for signal analysis The DWT is therefore most suited to applications such as data compression where a compact description of a signal is required An alternative transform is derived...
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Advanced Methods and Tools for ECG Data Analysis - Part 10 pps

Advanced Methods and Tools for ECG Data Analysis - Part 10 pps

Ngày tải lên : 13/08/2014, 12:20
... Toolbox automatically selects the map size for each data set In this example: 23 × 16 neurons for the ECG beat data set, and 28 × neurons for the sleep apnea data set The U-matrices are shown in Figures ... (XML) for representing ECG information ecgML [65], a markup language for ECG data acquisition and analysis, has been designed to illustrate the advantages offered by XML for supporting data exchange ... Introduction to Unsupervised Learning for ECG Classification Figure 13.15 SOM-based data visualization for sleep apnea data set: (a) U-matrix; and (b) label map ‘‘1’’ stands for Class Normal and ‘‘2’’ represents...
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Báo cáo y học: "The Open Microscopy Environment (OME) Data Model and XML file: open tools for informatics and quantitative analysis in biological imaging" docx

Báo cáo y học: "The Open Microscopy Environment (OME) Data Model and XML file: open tools for informatics and quantitative analysis in biological imaging" docx

Ngày tải lên : 14/08/2014, 14:21
... that use a relational database for information storage, and an XML-based file format used for transmission of this information and storage outside of databases The OME XML file format allows the ... be performed, it is not possible to design a data model to contain this information ahead of time For this reason, we have included a mechanism for describing new types of data in the OME Data ... Images within an OME database The DatasetBrowser modifies the display method for images within a given dataset depending on the values of data stored as STs within an OME database The 5Dviewer...
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Data based system design and network analysis tools for chemical and biological processes

Data based system design and network analysis tools for chemical and biological processes

Ngày tải lên : 11/09/2015, 16:05
... (RM SEP ) for VIN-PLS analysis for different case studies118 4.1 DPCCM performance analysis for WINE data vis.a.vis other classifiers 150 4.2 DPCCM performance analysis for CHEESE data vis.a.vis ... performance for SCOP277 dataset 172 4.8 Effect of model types on VPMCD(r = 3) performance for SCOP277 dataset 172 4.9 VPMCD performance for low homology data compared ... classifiers for protein datasets 171 4.6 Jackknife (LOOCV) test results using different classifiers for protein datasets 171 4.7 Effect of model order r on VPMCD (with QI model type) performance for...
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Inside words - Tools for teaching academic vocabulary grade 4-12

Inside words - Tools for teaching academic vocabulary grade 4-12

Ngày tải lên : 04/09/2013, 16:38
... transmitted in any form or by any means, electronic or mechanical, including photocopy, or any information storage and retrieval system, without permission from the publisher Every effort has been ... teachers and students provide the reality check for the work I Their ideas for adaptations and creative applications always make my ideas more relevant for a wider range of classrooms As always, I ... easier it is for them to understand information they may read or hear about the topic The more terms a person knows about a given subject, the easier it is to understand—and learn—new information...
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Tools for management, workshop and consulting

Tools for management, workshop and consulting

Ngày tải lên : 08/10/2013, 18:11
... of information The information might originate from either information gathering activities or from creativity activities The tools in this category will help you consolidate and display information ... suggest for each activity A similar overview is provided in table format in Scenario: Good practice for project and problem definition (section 9.2) on page 366 2.2 Categories of tools As displayed ... language for further development and implementation Therefore, most of the tools in this category define, describe and document aspects of a system – data, events, process, technology – for later...
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Free Software tools for embedded systems

Free Software tools for embedded systems

Ngày tải lên : 20/10/2013, 00:15
... C library options ­ Summary GNU C library (glibc) Designed for performance compliance with standards Best for servers and desktops uClibc Highly compatible, but implemented for small embedded  systems with little storage space and RAM ... (building gcc twice: once for gcc + once for compilers that need the C library) Lots of decisions to make (such as C library version and configuration for your platform) Need kernel headers and C library sources ... kernels, toolchains, utilities, binaries  for impressive lists of target platforms Integrated utilities for automatic kernel  image, initrd and filesystem generation Development tools available on  multiple platforms: GNU / Linux, ...
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Data Preparation for Data Mining- P3

Data Preparation for Data Mining- P3

Ngày tải lên : 24/10/2013, 19:15
... Transformations and Difficulties—Variables, Data, and Information Much of this discussion has pivoted on information—information in a data set, information content of various scales, and transforming ... their limited data capacity and inability to handle certain types of operations needed in data preparation, data surveying, and data modeling For exploring small data sets, and for displaying various ... the data set for mining—to best expose the information contained in it to the mining tool Indeed, the whole purpose for mining data is to transform the information content of a data set that...
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Data Preparation for Data Mining- P4

Data Preparation for Data Mining- P4

Ngày tải lên : 24/10/2013, 19:15
... execution data is in its “raw” form, and the model works only with prepared data, it is necessary to transform the execution data in the same way that the training and test data were transformed ... Determining data structure Building the PIE Surveying the data Modeling the data 3.3.1 Stage 1: Accessing the Data The starting point for any data preparation project is to locate the data This ... data preparation requires three such steps: data discovery, data characterization, and data set assembly • Data discovery consists of discovering and actually locating the data to be used • Data...
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Data Preparation for Data Mining- P5

Data Preparation for Data Mining- P5

Ngày tải lên : 29/10/2013, 02:15
... original information This additional information actually forms another data stream and enriches the original data Enrichment is the process of adding external data to the data set Note that data enhancement ... example of enhancing the data No external data is added, but the existing data is restructured to be more useful in a particular situation Another form of data enhancement is data multiplication When ... original data set The data preparation software creates this variable and captures information about the missing value patterns For each pattern of missing values in the data set, the data preparation...
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Data Preparation for Data Mining- P6

Data Preparation for Data Mining- P6

Ngày tải lên : 29/10/2013, 02:15
... numerating the alphas, but also for conducting the data survey and for addressing various problems and issues in data mining Becoming comfortable with the concept of data existing in state space ... However, what a data miner starts with as a source data set is almost always a sample and not the population When preparing variables, we cannot be sure that the original data is bias free Fortunately, ... of the original data sample Random sampling does that If the original data set represents a biased sample, that is evaluated partly in the data assay (Chapter 4), again when the data set itself...
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Data Preparation for Data Mining- P7

Data Preparation for Data Mining- P7

Ngày tải lên : 08/11/2013, 02:15
... 0.8769 Forward 0.4940 0.4923 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark Forward 0.6988 0.7692 Forward 0.4940 0.4462 Forward 0.6988 0.7538 Forward 0.4940 0.3231 Forward ... Zalapski Forward 37 Patrick Poulin Reserve 55 Igor Ulanov Forward 26 Martin Rucinsky Defense 43 Patrice Brisebois Forward 28 Marc Bureau Forward 27 Shayne Corson Defense 52 Craig Rivet Forward ... surface can reveal an enormous amount of useful, even vital information Exploring the density map forms a significant part of the data survey For example, tracing all of the “ridges”—that is, tracing...
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