Negar Ahmadi

11 Questions 72 Answers 0 Followers

Questions related from Negar Ahmadi

How can we use unsupervised clustering models for classification tasks?

For one of my studies, I designed an unsupervised predictive clustering model, and now searching for some modification steps and post processing to use that clustering model for classification in...

08 August 2018 4,024 14 View

How can I generate signals from Kuramoto model?

I've solved the Kuramoto model for 100 oscillators and have calculated phase of each oscillator (theta) at each time step. Now by using these phases (thetas) I need to generate two/more signals to...

10 October 2015 1,206 1 View

How can I find correlation/synchronization between 2 seperate graphs?

I converted some EEG time series to their related visibility graphs, now I need to find correlation between each 2 graphs, please note that there is no any interlink between each 2 graphs hence...

07 July 2015 1,446 8 View

What are the complexity measures in chaos systems?

I want to use VG algorithm (visibility graph) to convert EEG time series to graphs while preserving the dynamic characteristics such as complexity, Now I want to know what the important complexity...

04 April 2015 4,802 29 View

How can I convert ASCII(text files) to *.mat files in order to use them in matlab?

I have some EEG data sets and need to convert them to mat files

01 January 2015 2,621 4 View

Is it possible to use a genetic algorithm for finding the correlation among time series?

I've defined all parameters for GA and each chromosome defined as a 21*21 matrix (because of 21 channels in EEG test) to find pairwise correlation between each two time series and now the problem...

07 July 2014 3,959 6 View

What are the best and most efficient correlation measures in medical signal processing?

For example the correlation among time series of functional brain activities, signals related to EEG test, MEG test, time series, etc.

05 May 2014 3,849 3 View

When is it better to use Hidden Markov Model instead of other pattern recognition techniques?

HMM is a powerful technique for speech processing. Now I want to know the merits of it for other areas.

11 November 2013 1,554 14 View

Standard genetic algorithm or online genetic algorithm?

Which structure is better for classification? I would like to know their advantages and disadvantages for clustering and classifying.

11 November 2013 8,420 7 View

Is it better to publish some of my papers with the same topic as a book chapter (nova publisher) together?

Or publish each of them separately as research paper?

11 November 2013 6,543 15 View

What topics have recieved much attention in signal processing?

I want to start a new research in the field of signal processing.

11 November 2013 8,119 4 View