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ecg_respiratory_monitor's Introduction

Hello 🐍

I'm a software engineer with experience in machine learning, data science, and distributed systems. Some of the projects I've worked on involve computer vision, natural language processing, and brain-computer interfaces.

Selected Projects

⭐️ TensorBlur: Efficient GPU-accelerated blurring layers for Tensorflow graphs.

⭐️ PyUnity: Python utilities for Unity Perception (C#) - a toolkit for creating synthetic machine learning datasets

⭐️ Networking Test Kit: Test networking functionality (LSL, OSC, UDP) for OpenBCI devices. Integrated with the OpenBCI core app.

⭐️ ECG Respiratory Monitor: Live monitor for EEG, ECG, and respiratory biodata

⭐️ OpenBCI-MaxMSP Library: Library for interfacing between OpenBCI devices and MaxMSP

Writings & Publications

πŸ“ Deep Neural Networks for Forecasting Single-Trial Event-Related Neural Activity (IEEE SMC 2018)

πŸ“ Forecasting the Neural Time Series: Deep Neural Networks for Estimating EEG Event Responses (UCSD M.S. Thesis)

πŸ“ Multi-Paradigm EEG Classification using Deep Neural Networks(BCI Meeting 2018 Poster)

πŸ“ Finding the optimal cross-subject EEG data alignment method for analysis and BCI (IEEE SMC 2018)

πŸ“ Error Potentials for a Reinforcement Learning-Based Brain-Computer Interface (Unpublished)

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ecg_respiratory_monitor's Issues

LinAlgError: Singular matrix

Dear Gabriel,
after I pressed "Start System" this error occurred:
raise LinAlgError("Singular matrix")
LinAlgError: Singular matrix
Could you please help me?

this is full traceback:
Connecting to V3 at port COM5
Serial established...
OpenBCI V3 8-16 channel
On Board ADS1299 Device ID: 0x3E
LIS3DH Device ID: 0x33
Firmware: v2.0.1
$$$
Exception in thread Thread-1:
Traceback (most recent call last):
File "C:\ProgramData\Anaconda2\lib\threading.py", line 801, in __bootstrap_inner
self.run()
File "C:\ProgramData\Anaconda2\lib\threading.py", line 754, in run
self.__target(*self.__args, **self.__kwargs)
File "E:\code\unity\ptsd Projects\ECG_Respiratory_Monitor-master\open_bci_v3.py", line 171, in start_streaming
call(sample)
File "E:/code/unity/ptsd Projects/ECG_Respiratory_Monitor-master/heart-monitor.py", line 291, in data_collect
ecg_display = self.display_filters.bandpass(self.display_buf)
File "E:\code\unity\ptsd Projects\ECG_Respiratory_Monitor-master\filters.py", line 45, in bandpass
high_passed = self.high_pass(data_buffer)
File "E:\code\unity\ptsd Projects\ECG_Respiratory_Monitor-master\filters.py", line 52, in high_pass
high_passed = signal.filtfilt(b1,a1,data_buffer)
File "C:\ProgramData\Anaconda2\lib\site-packages\scipy\signal\signaltools.py", line 2497, in filtfilt
zi = lfilter_zi(b, a)
File "C:\ProgramData\Anaconda2\lib\site-packages\scipy\signal\signaltools.py", line 2031, in lfilter_zi
zi = np.linalg.solve(IminusA, B)
File "C:\ProgramData\Anaconda2\lib\site-packages\numpy\linalg\linalg.py", line 384, in solve
r = gufunc(a, b, signature=signature, extobj=extobj)
File "C:\ProgramData\Anaconda2\lib\site-packages\numpy\linalg\linalg.py", line 90, in _raise_linalgerror_singular
raise LinAlgError("Singular matrix")
LinAlgError: Singular matrix

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