Question

How to determine frequency components in a signal
How to determine the different dominant frequency components in a signal (for the whole signal duration and for specific period...

mer än 7 år ago | 1 answer | 0

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answer

Question

Calculate the mean amplitude of a signal
Calculate the mean amplitude of the entire signal (i.e., by determining the root means squared) please can someone tell how t...

mer än 7 år ago | 1 answer | 0

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answer

Question

how to compute duration of the signal
how to compute duration of the signal (dim: 200 x 1)

mer än 7 år ago | 2 answers | 0

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Question

is maximum amplitude/range of the signal = max(signal)
is maximum amplitude/range of the signal = max(signal)

mer än 7 år ago | 1 answer | 0

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Question

how to plot the signal with timesteps
i have a signal value, of dimension 400 x 1.... how to plot the signal with timesteps of 7 microseconds....

mer än 7 år ago | 1 answer | 0

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Question

remove embedded data from image after recovery
I hide an text to an image... when i recover the text, the text is coming correctly, and the image pixel values are not same (in...

mer än 7 år ago | 1 answer | 0

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Question

get character value from decimal
get character value from decimal rbi = (dec2bin(rb,1))'; rbin = reshape(rbi,siz,8); txt = (bin2dec(rbin))'; tx...

mer än 7 år ago | 2 answers | 0

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answers

Question

compute the count of elements in a cell array
I have a cell array named "catgUsers", which represents "n" users and the cluster id, he has.... from that cell array i need to ...

mer än 7 år ago | 1 answer | 0

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Question

how to find total duration
A = [5 9 3 4];; %number of days to complete a work i have 2 set of workers, start time = 0; 0 + 5 = 5 0 + 9 =...

mer än 7 år ago | 1 answer | 0

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Question

how to correct NaT in datetime
when i do as st = datetime('13:00:00'); et = datetime('14:00:00'); t = datetime(cellTime); tp = isbetween(t, st, e...

mer än 7 år ago | 2 answers | 0

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Question

how to select time which comes in a range from cell array
if i have a time as cellArr = {'6:25:48' '7:28:18' '8:30:20' '9:32:37' '10:35:40'}; how to select time which...

mer än 7 år ago | 1 answer | 0

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Question

get time from excel to matlab
i have a column in my excel sheet as 6:25:48 6:28:18 6:30:20 6:32:37 6:35:40 but when i read that excel she...

mer än 7 år ago | 1 answer | 0

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Question

delete rows from cell array
i have a cell array with string as below (format is "number""space""-""space""number") 1234 - 5678 543 - 2345 5678 - ...

mer än 7 år ago | 2 answers | 0

2

answers

Question

plot orientations using quiver only in the mask region...
[rows, cols] = size(orient); len = 0.8*spacing; s_orient = orient(spacing:spacing:rows-spacing, spacing:spacing:col...

mer än 7 år ago | 1 answer | 0

1

answer

Question

compute pitch of an audio signal from the frequency
how to compute pitch of an audio signal from the frequency.... any equation or function... i have the frequency of the audio sig...

mer än 7 år ago | 2 answers | 1

2

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Question

is it possible to determine how many persons speak and duration from an audio signal
is it possible to determine how many persons speak and duration from an audio signal av = audioread('audioname.wav');

mer än 7 år ago | 1 answer | 0

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Question

replace values in matrix A based on values of matrix B
replace values in matrix A to zero, if values in matrix B from the same position is equal to zero...

mer än 7 år ago | 1 answer | 0

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Question

create a new cell array by repeating values
i have a cell array with n columns... from this n values i want to create a new cell with "r" rows and "c" columns.... that repe...

mer än 7 år ago | 1 answer | 0

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Question

how to plot images from a cell adjacentlty
i have images in a cell (say of size(1x60))... how to plot these images in one figure file, adjacently as shown below.... <<...

mer än 7 år ago | 1 answer | 0

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Question

is it possible to mask the as below, without selecting points
is it possible to mask the as below, without selecting points, (like roipoly - such functions not to be used...) with some codin...

mer än 7 år ago | 1 answer | 0

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Question

How to get the audio signal from a video
I have a video, i needed to get the audio signal from the video... I did as, a = audioread('audio1.avi'); in some ca...

mer än 7 år ago | 1 answer | 0

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Question

How to divide an image into upper and lower regions
How to divide an image into upper and lower regions and get those into separate variables, based on the centroid point, so that ...

mer än 7 år ago | 2 answers | 0

2

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Question

fill a particular blob with black
i segment and get a binary image with "n" number of blobs, Suppose i want to fill a particular blob with black and save it as im...

mer än 7 år ago | 1 answer | 0

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Question

How to compare two matrices in a cell array
I have a cell array of size 1 x n, i need to compare two matrices at a time such as 1-2, 1-3, 2-3... how to take two different m...

mer än 7 år ago | 1 answer | 0

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Question

How to get the categories used by different users and their count
I have 5 images of two categories 1 and 2, and these five images are being used by 3 users, A B and C image_lbl = [1 1 1 2 ...

mer än 7 år ago | 1 answer | 0

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Question

crop a binary mask without other regions
I have an image shown in image 1, in which i get two objects bw1 and bw2. But, when i crop the bounding box region of object1 (b...

mer än 7 år ago | 1 answer | 0

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Question

Get binary Mask of selected regions
i wanted to get the mask of only regions in an image with selected intensity values such as 111, 118, 147, etc.... The intensity...

mer än 7 år ago | 1 answer | 0

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answer

Question

Pitch of audio signal
How to compute pitch of signal [mx2] dimension...

mer än 7 år ago | 2 answers | 0

2

answers

Question

Find the duration of speech
i have a video or audio with 2 persons speaking... Is it possible to get the 1. duration of speech by person1 and person2...

mer än 7 år ago | 1 answer | 0

1

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Question

give title on the left side of subplot
<</matlabcentral/answers/uploaded_files/66489/Untitled.png>> i need to give titles, is it possible to give title at the side ...

mer än 7 år ago | 2 answers | 0

2

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