Shubh Sahu
Last seen: 3 months ago
MathWorks
55 total contributions since 2019I am Application Support Engineer at Mathworks. My responsibility is to provide the best support for an application like ML, Computer vision, Image Processing, and Signal Processing.
Disclaimer: Any articles /ideas/opinions here are my own and in no way reflect that of Mathworks.
Shubh Sahu's Badges
Answer 10 questions that were unanswered for more than 30 days
Awarded to Shubh Sahu on 22 Jun 2020
Contribute at least one answer each month for 6 consecutive months
Awarded to Shubh Sahu on 14 Feb 2020
3 of your answers have been accepted
Awarded to Shubh Sahu on 03 Sep 2019
Provide your first answer ever to someone else's question
Awarded to Shubh Sahu on 02 Aug 2019
Answered
more info about calculation xcorr
Hello! Yeah sure, just go in command window and type edit xcorr and hit enter. Boom. The complete implentation is front of yo...
more info about calculation xcorr
Hello! Yeah sure, just go in command window and type edit xcorr and hit enter. Boom. The complete implentation is front of yo...
8 months ago | 0
Answered
When and how to use Simulate, forecast or infer Arima methods?
I assume that you are new to MATLAB. Please go through the given link: https://in.mathworks.com/help/econ/getting-started-with-e...
When and how to use Simulate, forecast or infer Arima methods?
I assume that you are new to MATLAB. Please go through the given link: https://in.mathworks.com/help/econ/getting-started-with-e...
8 months ago | 0
Answered
app designer - how to add multiple x-axes on top and bottom of uiaxes
I have found few answers similar to your question, Please find their link below: https://www.mathworks.com/matlabcentral/answer...
app designer - how to add multiple x-axes on top and bottom of uiaxes
I have found few answers similar to your question, Please find their link below: https://www.mathworks.com/matlabcentral/answer...
8 months ago | 0
Answered
Problem while updating package 5 in matlabR2019b
Please close MATLAB, find "libmwlmgrimpl.dll", delete it, and restart MATLAB. Notice: This method is effective only in MATLAB R...
Problem while updating package 5 in matlabR2019b
Please close MATLAB, find "libmwlmgrimpl.dll", delete it, and restart MATLAB. Notice: This method is effective only in MATLAB R...
8 months ago | 0
Answered
How can I control direction of antenna on this example??
You can change antenna direction by tuning 'downtilt'. If that doesn't work then you can try changing 'tilt' and 'tiltAxis' beca...
How can I control direction of antenna on this example??
You can change antenna direction by tuning 'downtilt'. If that doesn't work then you can try changing 'tilt' and 'tiltAxis' beca...
10 months ago | 0
Answered
How to find the center frequency of each pulse in the picture below (Wavelet)?
I will suggest you take the STFT of pulses in order to know the frequencies. Please refer to the link for more help https://in....
How to find the center frequency of each pulse in the picture below (Wavelet)?
I will suggest you take the STFT of pulses in order to know the frequencies. Please refer to the link for more help https://in....
10 months ago | 0
Answered
evaluate the step response for LTI with impusle Response system h[n]=d[n]-d[n-2] using MAtlab code
hope this link will help you: https://in.mathworks.com/help/control/ug/transfer-functions.html
evaluate the step response for LTI with impusle Response system h[n]=d[n]-d[n-2] using MAtlab code
hope this link will help you: https://in.mathworks.com/help/control/ug/transfer-functions.html
10 months ago | 0
Answered
How to calculate Dynamic Time Warping (DTW) for each video file
One idea can be videos have frames so, vectorize each frame and calculate DTW between two consecutive frames. This will help in ...
How to calculate Dynamic Time Warping (DTW) for each video file
One idea can be videos have frames so, vectorize each frame and calculate DTW between two consecutive frames. This will help in ...
10 months ago | 0
| accepted
Answered
Kernel density estimation Problem graph ?
See this piece of code: f = exp(-(1/(2*h^2))*(l-x(i)).^2)/sqrt(2*pi)/h; plot(l,f/(n*h)); In this f is a point and l is a ve...
Kernel density estimation Problem graph ?
See this piece of code: f = exp(-(1/(2*h^2))*(l-x(i)).^2)/sqrt(2*pi)/h; plot(l,f/(n*h)); In this f is a point and l is a ve...
10 months ago | 0
Answered
Optimal parameters for findpeaks in spectral analysis
I assume that you need the peak which are sharp and with high intensity. I made some changes in your code please have a look. Ch...
Optimal parameters for findpeaks in spectral analysis
I assume that you need the peak which are sharp and with high intensity. I made some changes in your code please have a look. Ch...
10 months ago | 0
| accepted
Answered
Somewhat random error when exporting figures and Matlab crash
As you have mentioned you are able to create figure till 145th iteration, it seems that your system java heap memory is getting ...
Somewhat random error when exporting figures and Matlab crash
As you have mentioned you are able to create figure till 145th iteration, it seems that your system java heap memory is getting ...
10 months ago | 0
Answered
Removing all R peaks in ECG
As you have mentioned that you have all Q and S points. I assume that you must have respective sample time for Q and S. Use inte...
Removing all R peaks in ECG
As you have mentioned that you have all Q and S points. I assume that you must have respective sample time for Q and S. Use inte...
10 months ago | 0
| accepted
Answered
the value of validation data is invalid
It seems that the images in Input dosen't have consistent channel. To know more on RGB channel you can go to this link. augmente...
the value of validation data is invalid
It seems that the images in Input dosen't have consistent channel. To know more on RGB channel you can go to this link. augmente...
10 months ago | 0
Answered
푸리에 변환 및 푸리에 역변환
Hey! please go through these links. It might help you https://www.mathworks.com/matlabcentral/answers/37157-time-signal-to-fft...
푸리에 변환 및 푸리에 역변환
Hey! please go through these links. It might help you https://www.mathworks.com/matlabcentral/answers/37157-time-signal-to-fft...
11 months ago | 0
Answered
How to detect the inner and outer diameters of one image in high quality simultaneously (0.98M 2168×2072)?
hey, I have attached some links to find diameter of concentric cirlces: https://www.mathworks.com/matlabcentral/answers/371589...
How to detect the inner and outer diameters of one image in high quality simultaneously (0.98M 2168×2072)?
hey, I have attached some links to find diameter of concentric cirlces: https://www.mathworks.com/matlabcentral/answers/371589...
11 months ago | 0
| accepted
Answered
Shock wave detection on poor-quality shadow image using Image Processing Toolbox
It's tough to get the verticle lines you have mentioned because other lines are more prominent. I haven't tried but I hope gradi...
Shock wave detection on poor-quality shadow image using Image Processing Toolbox
It's tough to get the verticle lines you have mentioned because other lines are more prominent. I haven't tried but I hope gradi...
11 months ago | 0
Answered
How to export my masks in .jpg format with Image Labeler?
The PNG file's image value is composed as 0 1 2 and you cannot distinguish the image looks like the result from following comman...
How to export my masks in .jpg format with Image Labeler?
The PNG file's image value is composed as 0 1 2 and you cannot distinguish the image looks like the result from following comman...
1 year ago | 0
Answered
can you please send me a .ris file with citations for Statistics and Machine Learning tool box and for Signal Processing toolbox
Hello, Here are few links which will be helpful: https://www.mathworks.com/matlabcentral/answers/43629-citing-a-matlab-documen...
can you please send me a .ris file with citations for Statistics and Machine Learning tool box and for Signal Processing toolbox
Hello, Here are few links which will be helpful: https://www.mathworks.com/matlabcentral/answers/43629-citing-a-matlab-documen...
1 year ago | 0
Answered
How to reorient 3D plot
hey! I am not sure what sort of data you have, as correctly said by Adam. Assuming it to be 3D plot may be this link will be he...
How to reorient 3D plot
hey! I am not sure what sort of data you have, as correctly said by Adam. Assuming it to be 3D plot may be this link will be he...
1 year ago | 0
Answered
Image Aquisition -GevSCPSPacketsize in Matlab 2015 - 2019
Thank you for your response. It appears that setting the PacketSize works with videoinput gige adaptor. Could you please use vi...
Image Aquisition -GevSCPSPacketsize in Matlab 2015 - 2019
Thank you for your response. It appears that setting the PacketSize works with videoinput gige adaptor. Could you please use vi...
1 year ago | 0
Answered
Why can't I promote the "file name" field of a subsystem reference to the mask of a subsystem containing this block?
As far as the 19b workflow is considered, a simple filename promotion is not possible to the mask of the subsystem. Either you c...
Why can't I promote the "file name" field of a subsystem reference to the mask of a subsystem containing this block?
As far as the 19b workflow is considered, a simple filename promotion is not possible to the mask of the subsystem. Either you c...
1 year ago | 0
| accepted
Answered
How to find the area between the curves
Hey! If you have x and y vectors of the same length, then you can use polyarea or trapz fucntion. for more information pleas...
How to find the area between the curves
Hey! If you have x and y vectors of the same length, then you can use polyarea or trapz fucntion. for more information pleas...
1 year ago | 0
Answered
How to apply The Kaiser rule in PCA?
Hey! Instead of calculating PCA go with SVD. Take under the under root of sigmas 's' and now you have eigenvalues. Check for ka...
How to apply The Kaiser rule in PCA?
Hey! Instead of calculating PCA go with SVD. Take under the under root of sigmas 's' and now you have eigenvalues. Check for ka...
1 year ago | 0
| accepted
Answered
Issue with MATLAB Livescript when entering the equation
Hey! Right now we don't support that functionality but in a future release, we will try to incorporate. Please refer to the gi...
Issue with MATLAB Livescript when entering the equation
Hey! Right now we don't support that functionality but in a future release, we will try to incorporate. Please refer to the gi...
1 year ago | 1
Answered
Can feature extractors meant for 2D images be used with 3D volumes for purpose of classification?
hey! here are the few links which will be helpful for you https://www.mathworks.com/help/images/3d-volumetric-image-processing...
Can feature extractors meant for 2D images be used with 3D volumes for purpose of classification?
hey! here are the few links which will be helpful for you https://www.mathworks.com/help/images/3d-volumetric-image-processing...
1 year ago | 0
Answered
Image Aquisition -GevSCPSPacketsize in Matlab 2015 - 2019
To trobleshoot that issue get the camera XML file, as cached on the local drive. The folder location for the camera GenICam XML ...
Image Aquisition -GevSCPSPacketsize in Matlab 2015 - 2019
To trobleshoot that issue get the camera XML file, as cached on the local drive. The folder location for the camera GenICam XML ...
1 year ago | 0
Answered
Remove background noise from the Intensity data of macromolecules and calculate the time of the trace
Hey! You can treat these intensity traces as sequential signal and use the filtering techniques to remove background noise. Her...
Remove background noise from the Intensity data of macromolecules and calculate the time of the trace
Hey! You can treat these intensity traces as sequential signal and use the filtering techniques to remove background noise. Her...
1 year ago | 0
| accepted
Answered
Shapewrite Error: Unknown Shape Identification
Hey! Please try reading your data in this way and then use Shapewrite. clear all; clc; s = tdfread('New Text Document.txt', '...
Shapewrite Error: Unknown Shape Identification
Hey! Please try reading your data in this way and then use Shapewrite. clear all; clc; s = tdfread('New Text Document.txt', '...
1 year ago | 0
Answered
Edges of narrow objects in image
Here are the few links which might help you: https://www.mathworks.com/help/images/ref/edge.html?searchHighlight=edge&s_tid=doc...
Edges of narrow objects in image
Here are the few links which might help you: https://www.mathworks.com/help/images/ref/edge.html?searchHighlight=edge&s_tid=doc...
1 year ago | 0
Answered
Analog Signal with Comparator
Hello! Please read magnitude and frequency from the signal as shown below [y,Fs] = audioread(filename) https://www.mathworks....
Analog Signal with Comparator
Hello! Please read magnitude and frequency from the signal as shown below [y,Fs] = audioread(filename) https://www.mathworks....
1 year ago | 0
| accepted
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