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Ghazal Hnr


Aktiv seit 2017

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How to convert red channel of a rgb image to grayscale image?
I have some rgb images. I want to know is there any way to only convert the red channel of them to grayscale?

mehr als 6 Jahre vor | 1 Antwort | 0

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How can I improve my segmented image?
Hi, I wrote the code below in order to segment blood vessels of the retina. But the result is not really good. Even I tried anot...

fast 7 Jahre vor | 1 Antwort | 0

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Image is too big to fit on screen
Hi, I have some uint8 RGB images. But when I try to display these images by using imshow, I get a warning saying that image i...

etwa 7 Jahre vor | 3 Antworten | 0

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How to use find here?
Hi, I have the points of a curve. After I plot it, I want to find the points that the curve is on zero. I tried this code: ...

mehr als 7 Jahre vor | 3 Antworten | 0

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How can i fix this error?
Hi, I get this error: Error using load Unknown text on line number 1 of ASCII file drive01.dat "ÿ". after loadi...

mehr als 7 Jahre vor | 1 Antwort | 1

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Finding inflection points of a noisy signal
Hi, I'd like to find the inflection points of this noisy signal. Do you have any suggestions on how to do this? fs = 100; %...

fast 8 Jahre vor | 1 Antwort | 0

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problem with detrending data
Hi, I wrote the code below to remove trends : %% Removing trends without using detrend code t = length(pass); y =...

fast 8 Jahre vor | 1 Antwort | 0

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Plotting frequency spectrum of a signal
Hi, I wrote this code to obtain plot of frequency spectrum of my signals: clc; clear all; close all; %% Reading & pl...

fast 8 Jahre vor | 1 Antwort | 0

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How to decrease sample frequency?
Hello, how can I decrese sample frequency?

fast 8 Jahre vor | 1 Antwort | 0

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How to fix error about interp1?
Hello, I have some data and i want to run this code: xi = [85]; yi = interp1(y,x,xi) but I have this error: ...

fast 8 Jahre vor | 2 Antworten | 0

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How can I fix this error?
Hello, I wrote this code: figure(3) dt = 0.001; T = 60; t = [0:dt:T] ; omega0 = 2 * pi / T; for k = 1:20 ...

fast 8 Jahre vor | 2 Antworten | 0

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I have a problem with unwrap
I want to plot phase of a signal with unwrap code but when i run it, matlab shows me this error: Error using sym/diff (line...

fast 8 Jahre vor | 1 Antwort | 0

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How to use regression?
I have 2 vectors and i want to obtain a correlation between them like y=ax+b by using regression, but i don't know how to use th...

fast 8 Jahre vor | 1 Antwort | 0

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How can I compute fourier coefficient?
Hi I have a pulse and I want to compute the first 20 fourier coefficient of it. Would anyone help me to do this?

fast 8 Jahre vor | 1 Antwort | 0

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Is this code correct for split an EMG signal into 10 equal part?
total number of samples are 1000 should I write like this? part1 = EMG(1:100); part2 = EMG(100:200); part3 = EMG(200...

fast 8 Jahre vor | 1 Antwort | 0

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How can I compute the mean of an EMG signal that I loaded it in MATLAB?
I loaded my signal and now I want to compute the mean and absolut of it, is there any code to do these?

fast 8 Jahre vor | 2 Antworten | 0

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