Rank: 96 based on 734 downloads (last 30 days) and 9 files submitted
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Amir Omidvarnia

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Company/University
The University of Queensland

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Professional Interests:
Medical Signal Processing, Image Processing, Pattern Recognition

 

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(last 30 days)
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27 Jan 2014 Screenshot Orthogonalized Partial Directed Coherence: measuring time-varying interactions within EEG channels Implementation of a proposed approach for scalp EEG directional connectivity analisys Author: Amir Omidvarnia mvar modelling, eeg signal processing, scalp eeg, connectivity analysis, multivariate signal, timevarying 30 0
20 Jan 2014 Screenshot Time-frequency generalized phase synchrony for EEG signal analysis A TF approach for evaluating phase synchrony within multichannel EEG signals Author: Amir Omidvarnia generalized phase syn..., multivariate signal a..., eeg signal processing, timefrequency analysi..., multichannel eeg, johansen test 44 2
  • 5.0
5.0 | 1 rating
20 Nov 2011 Screenshot Dual Extended Kalman Filter (DEKF) This package implements Dual Extended Kalman Filter for time-varying MVAR parameter estimation. Author: Amir Omidvarnia dual extended kalman ..., dekf, mvar parameter estima..., mvar, multivariate autoregr..., timevarying kalman fi... 38 0
  • 3.0
3.0 | 2 ratings
12 Nov 2011 Screenshot Time-Varying EEG Connectivity: A Time-Frequency Approach The package performs time-varying EEG connectivity analysis on a simulated data and an EEG sample. Author: Amir Omidvarnia timevarying, eeg connectivity, partial directed cohe..., directed transfer fun..., multivariate autoregr..., mvar estimation 59 4
  • 5.0
5.0 | 1 rating
24 Nov 2010 Screenshot Linear Kalman Filter A fully commented script which explains Linear Kalman Filtering in the form of a simple example. Author: Amir Omidvarnia kalman, kalman filtering, linear estimation, linear kalman filter, state space estimatio... 70 2
  • 5.0
5.0 | 1 rating
Comments and Ratings by Amir
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05 Mar 2009 FLD-based Face Recognition System This package implements 'Fisherface', a FLD-based face recognition system. Author: Amir Omidvarnia

Dear friend! My code is only a prototype of FLD-based face recognition systems. In fact, this code implements the core algorithm for the system. So, you shouldn't expect it to work well on all datasets. Instead, you can customize it according to your needs and used facial images.

Comments and Ratings on Amir 's Files View all
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06 Apr 2014 PCA-based Face Recognition System This package implements 'Eigenface', a PCA-based face recognition system. Author: Amir Omidvarnia Jackie

21 Mar 2014 Time-frequency generalized phase synchrony for EEG signal analysis A TF approach for evaluating phase synchrony within multichannel EEG signals Author: Amir Omidvarnia sandberry

for the problem encountered in using "quadtfd",I read the handbook of TFSA 5.5, find that "To install the distribution on MS-Windows simply run the tfsa 5.5 win.exe file." ,but this file is not included in its winzip file from (http://espace.library.uq.edu.au/view/uq:211321).

21 Mar 2014 Time-frequency generalized phase synchrony for EEG signal analysis A TF approach for evaluating phase synchrony within multichannel EEG signals Author: Amir Omidvarnia sandberry

Hi,Omidvarnia,thanks for sharing.

a problem encountered when trying the simulated data:

Attempt to execute SCRIPT quadtfd as a function: D:\Codes\tfsa_5-5\windows\win64_bin

Error in ==> GPS_SingleSegment at 49
tfd = quadtfd( sig', lag_window_length, time_res, 'mb',.01);

By the way,I am using Windows. Thanks

20 Mar 2014 PCA-based Face Recognition System This package implements 'Eigenface', a PCA-based face recognition system. Author: Amir Omidvarnia suman

this code is not working for my own database i am getting error as
Error using ==> horzcat
CAT arguments dimensions are not consistent.

Error in ==> CreateDatabase at 47
T = [T temp]; % 'T' grows after each turn

Error in ==> example at 26
T = CreateDatabase(TrainDatabasePath); how to clear this errors... any one help me to clear this error

07 Mar 2014 PCA-based Face Recognition System This package implements 'Eigenface', a PCA-based face recognition system. Author: Amir Omidvarnia Pooja

The code is good but it doesnt work if d same person has his/her face tilted.I eanted a code for that. But good job though!!

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