Other functions

Several low-level functions that are located in your_path\ecg-kit\common\ but are not yet well documented, tested or integrated with other parts of the kit.

General functions

• addpath_if_not_added - (Internal) Add the path only if not was already added.
• colvec - (Internal) Reshape the input into a column vector
• rowvec - (Internal) Reshape a matrix into a row vector
• init_ghostscript - (Internal) Init environment variables for using ghostscript
• init_WFDB_library - (Internal) Init environment variables for using WFDB toolbox
• isMatlab - (Internal) Check if the kit is running on Matlab
• isOctave - (Internal) Check if the kit is running on Octave
• exist_distributed_file - (Internal) Check the existence of a file in a distributed (slow) filesystem
• GetFunctionInvocation - (Internal) Create a string with the invocation of a function
• max_index - (Internal) Index of the maximum element in a vector
• modmax - (Internal) Find modulus maxima in a signal
• myzerocros - (Internal) Detect zero-crosses in a signal
• soft_intersect - (Internal) Intersection of two sets with tolerance
• soft_range_conversion - (Internal) Convert an input range to an output range with a soft function
• soft_set_difference - (Internal) Set difference with tolerance
• parse_pids - (Internal) Identify how many PIDs are in total and which is this PID, based on a string formatted this_pid/cant_pids
• getAnnNames - (Internal) Get names of annotations from annotation structure
• matrix2positions - (Internal) Convert matrix of ECG wave annotations to a struct position format, used in wavedet algorithm
• positions2matrix - (Internal) Convert matrix of ECG wave annotations to a struct position format, used in wavedet algorithm
• pack_signal - (Internal) Example of user-created QRS detector
• progress_bar - (Internal) A progress bar class for showing evolution of a process to users
• progress_bar_ex - A progress bar class example
• TaskPartition - (Internal) Generate a PIDs work list
• trim_ECG_header - (Internal) Trim a header info struct to a subset of signals
• WFDB_command_prefix - System commands to initialize the WFDB toolbox
• HasAdminPrivs - Checks administrator privileges
• sys_cmd_separation_string - String to issue multiline system commands
• sys_command_strings - Strings to execute typical I/O commands via system calls

Strings related

• adjust_string - (Internal) Works with strings to center, trim and justify to a certain string width
• calc_btime - (Internal) Creates a string with the base time
• disp_string_framed - (Internal) Display a message framed to a string
• disp_string_title - (Internal) Display a message framed to a string
• disp_option_enumeration - (Internal) Display an enumeration of options to a string
• DisplayConfusionMatrix - (Internal) Pretty display in Screen the confusion matrix.
• DisplayResults - (Internal) Pretty-Display results of a classification experiment
• Seconds2HMS - (Internal) Create a string of hours mins and seconds based on data in seconds

Graphics related

• arrow - (Internal) Creates arrows in grapics
• ds2nfu - Convert data space units into normalized figure units.
• plot_auc - (Internal) Plot the area under the ROC curve
• plot_ecg_heartbeat - (Internal) obsolete, use plot_ecg_strip
• plot_ecg_mosaic - Plots multidimentional signal in mosaic style
• plot_ecg_strip - Plots and interact with ECG signal
• plot_roc - (Internal) Plot the ROC curve
• PlotGlobalWaveMarks - (Internal) Internal function of plot_ecg_strip
• PlotWaveMarks - (Internal) Internal function of plot_ecg_strip
• my_colormap - (Internal) Create a colormap for signal visualization
• maximize - Size a window to fill the entire screen.
• rand_linespec - (Internal) Example of user-created QRS detector
• rotateticklabel - rotates tick labels
• set_a_linespec - (Internal) Set a series of properties to a line handle
• set_rand_linespec - (Internal) Set random properties a line handle
• text_arrow - (Internal) Plot an arrow with text in a graphic
• text_line - (Internal) Plot a line with text in a graphic

Signal processing / statistical methods

• autovec_calculation - (Internal) Calculate eigenvalues and vectors
• autovec_calculation_robust - (Internal) Calculate eigenvalues and vectors using robust covariance estimation
• BaselineWanderRemovalMedian - Remove baseline wandering with the median estimation method
• BaselineWanderRemovalSplines - Remove baseline wandering with the median estimation method
• bxb - (Internal) Compares two heartbeat series and produce the confusion matrix as result
• calc_co_ocurrences - (Internal) Calculate the heartbeats co-ocurrences
• calc_correlation_gain - (Internal) Add the path only if not was already added.
• CalcRRserieQuality - (Obsolete) Estimate the quality of QRS complex detections
• CalcRRserieRatio - Estimate the quality of QRS complex detections
• calculateSeriesQuality - Estimate the quality of QRS complex detections
• MedianFilt - (Internal) Mean/Median filtering
• cluster_data_with_EM_clust - (Internal) Cluster data with expectation-maximization algorithm
• DelayedCovMat - (Internal) Delayed covariance matrix calculation
• deNaN_dataset - (Internal) Replace NaN from PRdatasets
• design_downsample_filter - (Internal) Design a filter to downsample signals prior printing to a report
• bandpass_filter_design - MATLAB Code
• PeakDetection2 - peaks = PeakDetection2(x,fs,wlen,fp1,fp2,th,flag),
• PiCA - [y,W,A] = PiCA(x,peaks1,peaks2)
• PrctileFilt - (Internal) Arbitrary percentile filtering
• logit_function - (Internal) Logit function
• my_ppval - PPVAL Evaluate piecewise polynomial.
• qs_filter_design - (Internal) Design the wavelet decomposition filters for wavedet algorithm
• qs_wt - (Internal) Calculates the wavelet transform
• nanmeda - (Internal) Calculate the median of absolute deviations from the median (MEDA)
• woody_method - (Internal) Woody algorithm for heartbeat allignment
• AUC_calc - Compute area under the ROC curve (AUC).
• ppval - Evaluate piecewise polynomial.
• similarity_calculation - (Internal) Pattern matching function to be used in an arbitrary task
• combine_anns - (Internal) Create new QRS detections based on other lead/algorithms detections

Tasks

• ECGtask - Defines the class interface for the ECGtask derived classes
• ECGtask_do_nothing - Null ECGtask (for Matlab)
• ECGtask_ECG_delineation - ECGtask for ECGwrapper (for Matlab)
• ECGtask_ECG_delineation_corrector - ECGtask for ECGwrapper (for Matlab)
• ECGtask_heartbeat_classifier - ECGtask for ECGwrapper (for Matlab)
• ECGtask_PCA_proj_basis - ECGtask for ECGwrapper (for Matlab)
• ECGtask_PPG_ABP_corrector - ECGtask for ECGwrapper (for Matlab)
• ECGtask_PPG_ABP_detector - ECGtask for ECGwrapper (for Matlab)
• ECGtask_QRS_corrector - ECGtask for ECGwrapper (for Matlab)
• ECGtask_QRS_detection - ECGtask for ECGwrapper (for Matlab)
• ECGtask_QRS_detections_post_process - ECGtask for ECGwrapper (for Matlab)
• ECGtask_Delineation_corrector - ECGtask for ECGwrapper (for Matlab)
• ECGtask_arbitrary_function - ECGtask for ECGwrapper (for Matlab)
• ECGtask_classification_features_calc - ECGtask for ECGwrapper (for Matlab)
• example_worst_ever_ECG_delineator - (Internal) Example of user-created QRS detector
• example_worst_ever_QRS_detector - (Internal) Example of user-created QRS detector
• reportECG - (Internal) function reads the header of signal files
• QRScorrector - (Internal) GUI for correcting QRS detections
• GetBestQRSdetections - Fetch the best QRS detections from an ECGtask_QRSdetections object
• list_all_ECGtask - List al ECGtask availables

Functions from other projects

• GTHTMLtable - GTHTMLtable - Generate an HTML page with a table of a matrix.
• cprintf - displays styled formatted text in the Command Window

I/O signals

• Annotation_process - Convert heartbeat type of annotation from valid ECG formats to EC57 AAMI
• AnnotationFilterConvert - Convert heartbeat type of annotation from valid ECG formats to EC57 AAMI
• ADC2realunits - Convert adimentional sample values to real units
• ADC2units - Convert adimentional sample values to target voltage units
• ECGwrapper - Allow acces to ECG recordings of arbitrary format and length.
• ECGformat - Gets the format of an ECG recording filename
• get_ECG_idx_from_header - (Internal) Guess ECG signals indexes in a multimodal recording
• get_PPG_ABP_idx_from_header - (Internal) Guess PPG/ABP signals indexes in a multimodal recording
• isAHAformat - (Internal) Check if a recording is in ISHNE format.
• isHESformat - (Internal) Check if a recording is in HES format.
• isISHNEformat - (Internal) Check if a recording is in ISHNE format.
• matformat_definitions - (Internal) A definition or header file, for names allowed for signals, header and annotations included in MAT format files
• read_310_format - (Internal) Read the MIT 310 format
• read_311_format - (Internal) Read the MIT 311 format
• read_AHA_ann - Reads ECG annotations in AHA format
• read_AHA_format - Reads ECG recording in AHA format
• read_AHA_header - Reads ECG header in AHA format
• read_ECG - Reads an ECG recording
• read_HES_ann - Reads ECG annotations in HES format
• read_HES_format - Reads ECG recording in HES format
• read_HES_header - Reads ECG header in HES format
• read_ishne - (Internal) Reads ECG recordings in Mortara format
• read_ishne_ann - Reads ECG annotations from ISHNE format
• read_ishne_header - Reads ECG header from ISHNE format
• read_Mortara - (Internal) Reads ECG recordings in Mortara format
• read_Mortara_header - Reads ECG header in Mortara format.
• read_Mortara_format - Reads ECG recordings in Mortara format.
• read_ishne_format - Reads ECG recording in ISHNE format
• readheader - (Internal) function reads the header of signal files
• tablas_y_constantes - (Internal) Constants for the HES format
• writeannot - (Internal) Write annotation files for biomedical signals in MIT Format. (MEX file)
• writeheader - (Internal) Write an ECG header in MIT format
• ConcatenateQRSdetectionPayloads - (Internal) Concatenate two payloads.
• default_concatenate_function - Description:
• default_finish_function - Description: