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arunnagiri murrugesan


Last seen: 3 months ago |  Active since 2018

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b=abs([b;a(i)-a(i+1)]); error
a=all_peak(:,1); b=[ ]; for i= 1:27 b=abs([b;a(i)-a(i+1)]); % getting error here as % end win_len=mean(b)+25; wher...

4 years ago | 1 answer | 0

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Question


code to read the data in matfile
let us take dat is matfile = 1684 *1 . i want to read first 100 values of the 1684 points . what is the function or code to use...

4 years ago | 1 answer | 0

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Question


Undefined function 'read' for input arguments of type 'double'.
dat1=read(dat(100,1)); where dat = 1684 *1 double

4 years ago | 1 answer | 0

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Question


Operands to the || and && operators must be convertible to logical scalar values.
cl=input('Enter class ( up-1 or down-2 or blink-3): '); if cl==1 [k,~]=find((all_peak(:,2)>0)&&((all_peak(:,2)<p1_peak(:,2...

4 years ago | 1 answer | 0

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Question


Threshold based EOG signal classification
need to classify three classes up ,down, blink signals of EOG signals by thresholding . up, blink signals have same morphology....

4 years ago | 0 answers | 0

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how to use genetic algorithm for EEG channel selection of motor imagery signal?
usage of genetic algorithm for selection of EEG channels such that it helps in identification of motor imagery EEG signal channe...

5 years ago | 0 answers | 0

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is there any code for video summary ? selection key frame ?
inorder to get a key frame from group of frames of video.

5 years ago | 0 answers | 0

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what are different types of image augmentation ?
different types of image augmentation other than rotation , translation.

5 years ago | 0 answers | 0

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what is the difference between normal image and augmented image data as input to convolutional neural network ?? why augmented image is showing more accuracy ??
what are the different types of augmentation of image ?

5 years ago | 1 answer | 0

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Question


dot indexing is not supported for this variable .
for i = 1:40 test = eeg_c(i,:,1); y = test.y(1:1000,1); % error occuring in this line how to rectify it ? ...

5 years ago | 1 answer | 0

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Question


can you help me with independent component analaysis code for denoising EEG signal( artefact removal) ??
can you help me to get matlab code fo ICA based denoising of signal processing (artefact removal of EEG) signal.?

5 years ago | 0 answers | 0

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can you tell me a matlab code for automatic trial rejection of artifact EEG signal using ICA algorithm ?
tomatic artifact

5 years ago | 0 answers | 0

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transfer learning layers in alexnet and googlenet ?
how many layers are there in googlenet and alexnet transfer learning in deep learning ? what is the difference between alexnet a...

5 years ago | 1 answer | 0

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Question


x_train(1152*3*140) is dataset having sample points,3 channels , 140 trials of eeg data of two class(left and right hand classification). y_train(140*1) consists of 1s ,2s of left &right hand 140 trials .
how to separate 1152*1* no of trials where 1,2,3 corresponds to c3,cz,c4 respectively ??

5 years ago | 0 answers | 0

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i have a data of 1152*3*140 trials(where 1152 is no of sample points , 3 is no of channels ,140 is no of trials) of two classes of elements , i need to separate each class indivdually for particular trials of each channel ? like 1152*1*no of trials
please provide code for separating each class.

5 years ago | 1 answer | 0

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how to save spectrogram of signal as image ? i have given my code.
x=train_data(91,:,1); N = 1000; fs=250; t=(1:N)/fs; Fn=fs/2; Wp = [8 30]/Fn; % Pass...

5 years ago | 1 answer | 0

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how to save spectrogram of signal as image ?
how to save spectrogram of signal as pixel or image ?

5 years ago | 1 answer | 0

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i have a problem in this code of band passing a EEG SIGNAL 8-30 hz ? can you find the error ? give a solution to this ? i have used butterworth filter ? is it a IIR FILTER OR FIR FILTER ? in the below code sampling freq =250 ,x is dataset.
x=train_data('1,:,1'); Fs=250; Ts=1/Fs; % z_1=m*Ts; % z_2=ceil(m*Ts); t=0:Ts:3.999; t=t'; Fn=Fs/2; ...

5 years ago | 0 answers | 0

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Question


how to find spectrogram of EEG motor imagery signal which is bandpassed between 8-30 HZ with sampling frequency.250.s can you give a code to find spectrogram of EEG ?
x=train_data('1,:,1'); Fs=250;

5 years ago | 0 answers | 0

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i have to find periodogram of my EEG bandpassed motor imagery signal in 8, 30 hz signal. since i am new to this concept, please help me to get power density where my signal is from dataset and my sampling frequency is 250 HZ. ?
x=train_data('1,:,1'); Fs=250;

5 years ago | 1 answer | 0

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Question


deep learning which best suits EEG data classification is ?
EEG MOTOR IMAGERY signal classification is well excuted by which deep learning approach ?

5 years ago | 0 answers | 0

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can CNN used in signal (EEG Signal) which is represented in matrix form ??
is it feasible to apply CNN in signal processing ?

5 years ago | 1 answer | 0

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