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Prabhan Purwar


Last seen: 17 days ago

MathWorks

99 total contributions since 2019

I am an EDG Engineer at Mathworks. My area of interest is works related to Signal processing, Navigation, Robotics, Augmented Reality, Artificial Intelligence, Image Processing and Machine Learning.

Disclaimer: Any advice or opinions are purely my own and not in any way that of MathWorks.

Prabhan Purwar's Badges

  • Revival Level 3
  • Knowledgeable Level 3
  • 3 Month Streak
  • First Answer

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Answered
Track object with bounding box in optical flow
Hey, Kindly refer to the following link: https://in.mathworks.com/help/vision/ref/opticalflowlk.html (OpticalFlowLK) Hope it ...

2 months ago | 0

Answered
Finding coordinates of an moving object in every frame of a tif file movie
Hi, Kindly refer to the following links: https://in.mathworks.com/help/vision/tracking-and-motion-estimation.html (Tracking an...

2 months ago | 0

Answered
Error with dee command
Hi, The command is not recognized by the system because this tool has been deprecated as of MATLAB R2020a. However, it is possi...

2 months ago | 2

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Answered
How to close a 3D shape to export to STL
Hi, Currently, the built-in triangulation functions in MATLAB only accept 1-dimensional coordinates data. The workaround i...

2 months ago | 0

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how linear fir algorithm works?
Hi, hope this example is leveraged from the following link: https://in.mathworks.com/help/fixedpoint/examples/implement-fir-f...

2 months ago | 0

Answered
can i apply DCT on binary values or it need conversion to decimal and then apply DCT,is it?
Hi, You will need to convert to decimal values. For further insights refer to the following link: https://in.mathworks.com/he...

2 months ago | 0

Answered
Matlab 2020 installation freezes
Hi, Please contact Installation and Licensing Support: http://www.mathworks.com/support/contact_us/index.html Submit a servic...

2 months ago | 0

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Answered
Object Data get lost between save and load
Hi, Could you please provide the app.FlightMatrixTable object so that we can replicate the issue. Kindly refer to the followi...

2 months ago | 0

Answered
2020 aInstallation problem on Mac
Hey, This issue may arise due to multiple reasons, as you mentioned. Cause: Slow Internet connection Computer Security soft...

2 months ago | 0

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Answered
how to add toolbox
Hey, Cause: Computer Security software is preventing the MathWorks Installer from connecting to the MathWorks servers. This is...

2 months ago | 0

Answered
Gauss-Seidel method Help
Hi, Refer to the following code: The following code performs Gauss-Seidel... clc clear close all A=[5 -2 3 0 6; -3 9 1 -2 ...

3 months ago | 0

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Answered
Gauss-Seidel code gives wrong answers
Hi, Seems duplicate questions are posted by mistake, kindly refer to ans using following link: https://www.mathworks.com/matla...

3 months ago | 0

Answered
help with plotting quadratic
Hi, Refer to the following link: https://in.mathworks.com/matlabcentral/answers/371211-how-to-create-a-smooth-curve-through-da...

3 months ago | 0

Answered
webcam 명령어 사용중 다음과 같은 오류가 발생했습니다.
Hi, This error may arise because of multiple reasons, I am assuming that you have Image Acquisition Toolbox and the webcam was ...

3 months ago | 1

Answered
using pcfitcylinder - unexpected results?
Hi, Please refer to the following code: r=1; %radius length=1; ntheta=100; % number of points to sample around circumference...

3 months ago | 0

Answered
How I plot 3d graph of known x,y,z ?
Hi, Kindly refer to the following code: x=[1 5 10 50 100]; y=[0.001 0.125 0.25 0.5 15 10 50 100]; Z=[0.7395 0.8675 0.8899 0....

3 months ago | 0

Answered
How to plot CWT of a signal without cone of influence (COI)
Hi, This seems to be an expected behaviour as COI shows where edge effects become significant and Gray regions outside the dash...

3 months ago | 0

Answered
Converting code from old CWT to new CWT
Hi, Variables fb and fc represents properties of the Morse Wavelet used to determine the Continuous Wavelet Transform (CWT) of ...

3 months ago | 0

Answered
generating Co-ordinates from a convex hull or 3d shape
Hi, The following code illustrates the generation of required number of points inside a convex hull. It makes use of convhull(...

3 months ago | 0

Answered
How to use Extract interest point descriptors in videos of folders
Hello, I am assuming that you are making use of a Neural Network for classification purpose. In order to train Network using...

3 months ago | 0

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Answered
Computation of Match Metric in matchFeatures
Hi, Each feature vector is normalized before computing similarity score between feature vectors. This brings each value of feat...

3 months ago | 0

Answered
Isolate the root image from the background
Hey, Color Thresholder app can be used to segment out the roots and background as illustrated (using colorThresholder command) ...

3 months ago | 0

Answered
Cutting an image through its boundaries
Hi, After definning the boundaries using bwboudaries() try making use of poly2mask() under the for loop to crop out the interes...

3 months ago | 0

Answered
Convert global to local co-ordinate system
Hi, Global2localcoord() is used to convert global to local coordinates. Link: https://in.mathworks.com/help/phased/ref/global2...

3 months ago | 0

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Answered
Best image format for further analysis
Hi, TIFF is currently the best format to save images with least loss (best of my knowledge). For further understanding kindly...

3 months ago | 0

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Answered
matlab 프로그램을 영어로 바꾸고 싶으면 어떻게 하나요?
Hi, In Windows, MATLAB displays its UI elements according to the system language, defined as the "system locale" (i.e. if the c...

3 months ago | 0

Answered
Convert to MATLAB Code
Hi, Following code illustrates the implementation of the above equation: x=[2 3]; %x vector f=function_5(x); function f...

3 months ago | 0

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Answered
filter2() returns darker image
Hi, Following code illustrates the interpolation using filter2 and fspecial clear close all clc foto=imread('office_3.jp...

3 months ago | 0

Answered
How to generate orthographic projection/perspective view of 3D object?
Hi, Kindly have a look at the following example: https://in.mathworks.com/help/map/the-globe-display-compared-with-the-orthogr...

3 months ago | 0

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Answered
Dividing Bounding box into equal parts
Hi, Following code may help: clc close all clear % bounding box [x y width height] %Assuming (x,y) represents a starting p...

3 months ago | 0

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