Python implementation of the A.Lomax Filter Picker
- AUTHOR: Matteo Bagagli
- VERSION: 1.0.3
- DATE: 10/2019
FilterPicker is a general purpose, broad-band, phase detector and picker which is applicable to real-time seismic monitoring and earthquake early-warning. This module is a Python implementation of the A.Lomax Filter Picker. Inspiration has been taken from the MATLAB implementation of Y.Kamer. This picker class has been rewritten using NumPy libraries.
For a full reference of usage/method the reader is referenced to the main author paper 
Recently the package has been uploaded in PyPi repository, therefore you could just type:
pip install filterpicker
and be ready to go.
If you want to install the library manually or just being updated to the latest patches, the installation is pretty easy because the package comes with an installer. All the dependencies are explained in the
requirements.txt file. It's suggested to use a virtual environment (
Just open a terminal and type
$ git clone https://github.com/billy4all/filterpicker /somwhere/in/my/pc $ cd where/you/cloned $ # optionally activate your virtual env $ pip install .
To run a simple test to make sure you're ready to go, just type:
$ cd where/the/package/is $ pytest
You can also double check the performance of the software by running the scripts in the
example folder (manual installation) or run the command-line exec store
The module is fully compatible with the famous ObsPy library: just fed the picker with the trace data (
obspy.core.Trace.data numpy array).
For any issues/bug reports, please send an email to: firstname.lastname@example.org
 Lomax, A., C. Satriano and M. Vassallo (2012), Automatic picker developments and optimization: FilterPicker - a robust, broadband picker for real-time seismic monitoring and earthquake early-warning, Seism. Res. Lett. , 83, 531-540, doi: 10.1785/gssrl.83.3.531.
 Vassallo, M., C. Satriano and A. Lomax, (2012), Automatic picker developments and optimization: A strategy for improving the performances of automatic phase pickers, Seism. Res. Lett. , 83, 541-554, doi: 10.1785/gssrl.83.3.541.
 MATLAB packagehttps://ch.mathworks.com/matlabcentral/fileexchange/69211-filterpicker-a-robust-broadband-phase-detector-and-picker
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