LO
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55 total contributions since 2018
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Awarded to LO on 26 Nov 2020
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Awarded to LO on 14 Nov 2020
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Question
losing CData after replotting image in subplot ?
I am making a montage of image panels, which look like BW but are not binary. I am then taking the CData of the montage and , ...
alrededor de 17 horas ago | 1 answer | 0
1
answerAnswered
How can I get a loop to process all ".avi" files in a folder, then produce the corresponding ".txt" and ".png" file?
clear; close all; warning off; [logfname, pathname] = uigetfile('*.mat','Pick any AVI file'); cd(pathname); %make list of ...
How can I get a loop to process all ".avi" files in a folder, then produce the corresponding ".txt" and ".png" file?
clear; close all; warning off; [logfname, pathname] = uigetfile('*.mat','Pick any AVI file'); cd(pathname); %make list of ...
alrededor de 22 horas ago | 0
Question
control stepper motor using MATLAB and Arduino
I am trying to set up a stepper motor connected to an Arduino Uno with motor shield mounted on it. The motor works through Ardu...
9 días ago | 0 answers | 0
0
answersQuestion
change table var type
How can I change the variable type in a table from double to string ? I found plenty of posts with the same issue but during i...
27 días ago | 2 answers | 0
2
answersQuestion
can't install NI-DAQmx toolbox on MATLAB 2020b
Just got a fresh new installation of MATLAB 2020b with server license on campus. I am trying to install the Data Acquisition To...
3 meses ago | 1 answer | 0
1
answerAnswered
How can i make vector lengths the same?
To solve a similar issue I use imresize First get the size of the image (with the function "size"), then resize image 2 accor...
How can i make vector lengths the same?
To solve a similar issue I use imresize First get the size of the image (with the function "size"), then resize image 2 accor...
3 meses ago | 0
| accepted
Question
can I have independent analog output and digital counter output in the same session ?
Hi everyone I have a setup with both recording and stimulating electrodes. I would like to record the effects of a certain stim...
3 meses ago | 0 answers | 0
0
answersAnswered
How to get pixel index / x,y coordinates of bright regions?
binarize the image, use regionprops, get the PixelList properties and use bwconncomp to identfy separate objects in the selecte...
How to get pixel index / x,y coordinates of bright regions?
binarize the image, use regionprops, get the PixelList properties and use bwconncomp to identfy separate objects in the selecte...
4 meses ago | 0
Question
How to match pixel locations to blob identity with region props
I am using regionprops to identify blobs in a binary image. I am able to detect a couple of blobs, get their centroids and all t...
4 meses ago | 1 answer | 0
1
answerQuestion
how can I trace a ROI with fixed size on multiple images ?
I am trying to register images from a stack. they are frames taken from a video in which an object is moving. I tried to use the...
7 meses ago | 0 answers | 0
0
answersAnswered
How do you send a digital signal as an output to NI DAQ system?
See the properties of your daq by typing its device name in command line. See how the channels are called and which types you ha...
How do you send a digital signal as an output to NI DAQ system?
See the properties of your daq by typing its device name in command line. See how the channels are called and which types you ha...
8 meses ago | 0
Answered
Matlab crashes every time I copy a (even small) number of blocks to my Simulink model
Are you running Matlab with admin rights? I experienced similar issues when I wasn't. See if it works.
Matlab crashes every time I copy a (even small) number of blocks to my Simulink model
Are you running Matlab with admin rights? I experienced similar issues when I wasn't. See if it works.
8 meses ago | 0
Answered
Using APP designer to communicate with the GIGE camera
You can combine VideoReader function with image binarization and extract "blobs" of a desired frame at a time. From the blobs Ma...
Using APP designer to communicate with the GIGE camera
You can combine VideoReader function with image binarization and extract "blobs" of a desired frame at a time. From the blobs Ma...
8 meses ago | 0
Answered
How to swap between X, Y and Z in 3D plot
the function permute rearranges the order of the axes. S = permute(S,[1 2 3]); S1 = S = permute(S,[3 1 2]); % swapped matrix
How to swap between X, Y and Z in 3D plot
the function permute rearranges the order of the axes. S = permute(S,[1 2 3]); S1 = S = permute(S,[3 1 2]); % swapped matrix
8 meses ago | 0
Answered
how do you count points on a graph
use getpts https://de.mathworks.com/help/images/ref/getpts.html
how do you count points on a graph
use getpts https://de.mathworks.com/help/images/ref/getpts.html
8 meses ago | 0
Answered
Power Spectra estimation after FFT
try this example: sampling_freq = 5000 window = 8192, noverlap = 4096, nfft = 8192, [p,f] = pwelch(your_signal, 8192,409...
Power Spectra estimation after FFT
try this example: sampling_freq = 5000 window = 8192, noverlap = 4096, nfft = 8192, [p,f] = pwelch(your_signal, 8192,409...
8 meses ago | 0
| accepted
Question
error in matlab arithmetic operations ?
I am puzzled by the result of this operation in matlab: I have a var that equals 3 I am trying to calculate (var-1)*60 instea...
8 meses ago | 1 answer | 0
1
answerQuestion
add row to table in app designer - works ... but not completely
I am trying to add rows to a table by clicking a button in a GUI the code is as follows: the table is first initialized through...
8 meses ago | 1 answer | 0
1
answerQuestion
how to add a single element to a table in app designer ?
this line adds one element to the first cell of the table (if the content is numeric) app.UITable.Data = [app.UITable.Data(:);a...
8 meses ago | 1 answer | 0
1
answerQuestion
how to skip spinner values based on variable/button ?
I have a spinner associated to a button I would like this button to be inactive for spinner values "during" which I pressed ano...
8 meses ago | 0 answers | 0
0
answersQuestion
how to update progress gauge based on analyze progress in App designer GUI ?
I am trying to use a gui to go through some data and analyze segments of them. I am able to select different segments using a s...
8 meses ago | 0 answers | 0
0
answersQuestion
how can I set spinner limit range based on text box entry ?
I have a gui with a spinner in it I would like to input a value in a text box and use it as upper limit for the spinner can't ...
8 meses ago | 1 answer | 0
1
answerAnswered
How to read spectrogram outputs and pick out interesting time-window?
the spectrogram can be handled as a surf plot if f is the freq you get out of the spectrogram fs is the freq range of you segme...
How to read spectrogram outputs and pick out interesting time-window?
the spectrogram can be handled as a surf plot if f is the freq you get out of the spectrogram fs is the freq range of you segme...
8 meses ago | 0
Question
pulse train generator - wrong freq output
I am trying to get 50 Hz digital output from a USB-6211 using the code below. The TTL is supposed to activate a device which is ...
9 meses ago | 0 answers | 0
0
answersQuestion
Interpolate 2D matrix of x,y coordinates
I am trying to estimate the missing points of a matrix of 2D coordinates obtained from the video of a moving object. the coordi...
12 meses ago | 1 answer | 0
1
answerQuestion
how to generate a pulse train of known frequency and visualize/count the pulses (NI USB 6211 DAQ)
Hi everyone I am having trouble with some code to start a pulse generation from a device (NI USB-6211 DAQ) while counting it. ...
12 meses ago | 0 answers | 0
0
answersQuestion
ribbon plot with different variable arrays
I have some troubles plotting a data set using the ribbon plot function. My data are organized in 3 arrays: X=1621x10 double...
12 meses ago | 0 answers | 0
0
answersQuestion
Scatterhist without normalized y axes on the marginal histograms. How ?
I am trying to plot some data using the scatterhist function. The plotting works perfectly if not for one thing: when plotting ...
alrededor de 1 año ago | 1 answer | 0
1
answerAnswered
slicing a volume in desired direction
I am not sure what you want to achieve perhaps you could use the find function to determine vertices ranges, select them, and u...
slicing a volume in desired direction
I am not sure what you want to achieve perhaps you could use the find function to determine vertices ranges, select them, and u...
más de 1 año ago | 1
Answered
timer function is not executing the function i am providing ,please help me with this?
ritik does not seem to be a matlab function, could you post your code ?
timer function is not executing the function i am providing ,please help me with this?
ritik does not seem to be a matlab function, could you post your code ?
más de 1 año ago | 0
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