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Rahul

MathWorks

Last seen: 10 months ago |  Active since 2022

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I am a Senior Application Support Engineer at MathWorks. My major responsibilities are Deep Learning, Machine Learning, Computer Vision, Signal and Image Processing at MathWorks DISCLAIMER: Any advice or opinions here are my own, and in no way reflect that of MathWorks

Programming Languages:
Python, C++, C, MATLAB
Spoken Languages:
English, Hindi, Marathi
Professional Interests:
Signal Processing, Deep Learning Toolbox, Statistics and Machine Learning Applications, Image Processing and Computer Vision

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Answered
How to play a video with synced audio, maybe using the Computer Vision System Toolbox but have no idea how to?
vision.VideoFileReader support reading audio only for some file formats such as AVI, WMV, some MPEG-1/2 formats. It does not sup...

1 year ago | 0

Answered
I get the error at line 49 and 62 "Too many input arguments. Too many input arguments" and another error "Error using findpeaks>parse_inputs Expected Y to be nonempty."
The first error is received because it is using "record" (to be removed in further MATLAB version) which is generally used to r...

1 year ago | 0

Answered
Error and unrecognized funcion
Hi Kaze, This reply is in English to give you the fastest possible response. I understand that you are receiving an error in ...

1 year ago | 0

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Answered
How to make predictions with exported model from Classification Learner in App Designer?
This is because you have given an output argument to "load" function. When the output variable is assigned to the function, it l...

1 year ago | 0

| accepted

Answered
Why can't I import predictor and response variables in neural network fitting app?
The predictors and the responses supports the numeric datatype only. You can go through the following code for your reference. ...

1 year ago | 0

Answered
Figure zoom-in by mouse scroll is disabled after ROI is drawn
An "imrect" object encapsulates an interactive rectangle over an image. You can adjust the size and position of the rectangle by...

1 year ago | 0

Answered
Scaled frequency magnitude spectrum using FFT
As per the audio file "DTMFDigit3.wav", it seems that you are trying to extract the frequency information of DTMF digit 3 dialto...

2 years ago | 0

Answered
Segment layers of an image
There are many segmentation algorithms that you can leverage such as region growing, Graph-Based Segmentation, Clustering, etc. ...

2 years ago | 0

Answered
Error using nnet.cnn.LayerGraph>iThrowErrorIfStartLayerIsOutputLayer Unable to connect to the layer 'ClassificationLayer_fc1000'. This layer is an output layer and has no outp
I have analyzed the code shared by you. Please make the changes in the code as shown below. You will see the layered graph. if ...

2 years ago | 0

Answered
how do I plot Realtime ecg data acquired from max30001 on MATLAB?
From the figure above, the file name is "4o.csv" and it contains the information acquired using MAX30001 for 60 seconds. you can...

2 years ago | 0

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Answered
how do i use k-fold cross validation in deep network designer?
"deepNetworkDesigner" do not provide k-fold cross validation as such. But as a workaround, you can perform following steps: Ass...

2 years ago | 0

Answered
Prediction of target data new input value that is not present in input data set, after training a model in nftool
I have no information whether you are performing classification or regression. It is also ambiguous that what type of training d...

2 years ago | 0

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Answered
readtable problem: import a large .xls file. (the excel Row vule is more than IV)
In general, the amount of data that can be loaded into memory depends on your machine's RAM. To workaround the memory limitatio...

2 years ago | 0

Answered
How do I use trainnetwork() to retrain a pre-trained model?
Go the Apps --> Deep Network Designer --> Blank Network. Once you create your network by dragging and dropping the layers and c...

2 years ago | 0

Answered
What is the default mini-batch size in the fitrnet function
Looking into "fitrnet.m" and verbose data there seems to be no explicit use of “mini batch size” and function is applied on ent...

2 years ago | 0

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Answered
Converting data to graph
With reference to your question, it seems that you are not able to read the Wit-Motion sensor data. You can refer to following ...

2 years ago | 0

Answered
trainNetwork - Number of observations in X and Y disagree
"XtrainShaped" dimension should be [img_height, img_width, img_planes, num_samples]. "img_planes" denotes whether is image is RG...

2 years ago | 0

Answered
Deep learning video exercise classification
There are variety of application you can do with deep learning. As per your question, the outcome that you want to achieve is no...

2 years ago | 0

Answered
How to combine existing tiled layout .fig files into a larger tiled layout?
Assuming you are using MATLAB R2019a or later, you can refer the following code. I have created four sample pcolor plots (in 2,2...

2 years ago | 0

Answered
How to improve accuracy of SqueezeNet convolutional neural network?
Obtaining good performance for a dataset using deep learning architectures is dependent on vartious parameters such as type of C...

2 years ago | 0