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Prabhan Purwar


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MathWorks

54 2019 年以降の合計貢献数

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

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

Prabhan Purwar's バッジ

  • Revival Level 2
  • 3 Month Streak
  • Knowledgeable Level 2
  • First Answer

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Bounding box errors for rcnnobjectdetector
Could you attach the gunsGT folder, so that we can replicate the issue.

約10時間 前 | 0

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What noise is used in the measurement example throughput?
Hi, I am assuming that you are referring to the following example: https://in.mathworks.com/help/wlan/examples/802-11-mac-and...

約15時間 前 | 0

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App Designer: How to use a camera in different Callbacks
Hi, Folllowing is the code and app design classdef app1 < matlab.apps.AppBase % Properties that correspond to app com...

1日 前 | 0

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Plot size varies even when plotting in a loop
Hi, Following links may help: https://in.mathworks.com/help/matlab/creating_plots/save-figure-at-specific-size-and-resolution....

1日 前 | 0

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How to uninstall Matlab when it gives u an error?
Hi, The following instructions explain how to uninstall and then reinstall MATLAB on Windows: NOTE: If you have saved any pers...

1日 前 | 0

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Prespectrive transform for Lane detection project
Hi, Following code may help clc close all clear oim = imread('test1.jpg'); im=oim(475:650,300:1050,:); initial_points=[5...

1日 前 | 0

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Detection format from 'Simulation 3D Probabilistic Radar'
Hi, The Signal coming out via Ego Sensors block is a "Bus signal" comprising of Number of detection, Measurements, and other pa...

2日 前 | 0

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How to store an interpolated data to get the mean for each new point in X?
Hey, The mean of the interpolated values could be found out using the mean() function in the loop. You may make use of Cell ar...

3日 前 | 0

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merge two cells to one in loop
Hi, Following code may help clc close all clear data.values=ones(20,200); for i=1:10 A{i}=data.values(:,192); B...

4日 前 | 0

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using 3x1 matrix to make 21x1 matrix
Hey, Following command may help: f_out = [f(1);repmat([f(2);f(1)+f(3)],10,1)]; Could you elaborate more if this is not the de...

4日 前 | 0

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Finding Binary Values on 3D matrix
Following code illustrates the find() function upon 3D matrix a(:,:,1) = 0 0 0 0 0 0 0 0 ...

2ヶ月 前 | 0

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Spectral Clustering of Image
Hello, The following paper illustrates the use of ASM-based segmentation upon data obtained from spectral partitioning. (Refer ...

2ヶ月 前 | 0

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How to run Hough transform in real time?
Hi, You may make use of GPU accelerated Hough transform algorithm to detect a circular object in the acceptance rate of 7 fps (...

2ヶ月 前 | 0

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How to make a video of two plots rather than one
Hi, Make use of subplot() to get side by side comparison, as illustrated in the code below. h = figure; subplot(2,1,2); plot...

2ヶ月 前 | 0

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how can I make this nonstationary signal's dft graph?
Hi, The following code illustrates a method to find DFT of a nonstationary signal. a=1; f=[5 20 50 1000]; for i=1:length(f) ...

2ヶ月 前 | 1

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How to configure the input signal as a step input for a PID tuner?
Hi, Following link's may help https://www.mathworks.com/help/control/ref/pid.html#bsmdmvx-5(PID) https://www.mathworks.com/di...

2ヶ月 前 | 0

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Code running, but not being displayed in command window?
Hi, The code seems to be good and functioning as expected (please look over the attachment). Could you please elaborate on the ...

2ヶ月 前 | 0

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Understanding How to Manually Code the KDTreeSearcher
Hi, The nearest neighbour search (NN) algorithm aims to find the point in the tree that is nearest to a given input point. This...

2ヶ月 前 | 0

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Use unique on a cell array containing two columns
Hello, Kindly provide a small subset of data to replicate your problem. The following link may be helpful: https://www.mathwo...

2ヶ月 前 | 0

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Bar Graph attached to Live maping
Following link may help: https://www.mathworks.com/help/matlab/creating_plots/color-analysis-with-bivariate-histogram.html(Colo...

2ヶ月 前 | 0

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TIme shifting an audio in a frequency domain
Hey, The following code illustrates the Time-shifting of a signal in the frequency domain. [data,fs] = audioread('FemaleSpeec...

2ヶ月 前 | 0

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solving problem for gradient descent
Hi, Following code Illustrates the working of Gradient Descent for 3 variables. To eliminate error changes were made to: Init...

3ヶ月 前 | 0

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Spline coefficients for data point
Hello, Spline definesa polynomial among the breakpoints in the curve. To define the coefficient at a particular ‘x value’ there...

3ヶ月 前 | 0

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Trace a meandering line
Hello, Following are the links to various codes and methods used for Skeletonization https://www.mathworks.com/matlabcentral/f...

3ヶ月 前 | 0

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How to make 3D image with 2D images at different angle completing 360 deg
Hi, 3D Image construction could be performed by making use of the following techniques: Making use of Photometric Stereo to re...

3ヶ月 前 | 0

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distance between object moving
The following code illustrates the working of regionprops()function to determine the boundary along with the connected component...

3ヶ月 前 | 0

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Integrating a standard ellipse using mvnlps
Hi, Mvnlps() is one of the several submissions in MATLAB File Exchange on MATLAB Central which is a forum for our product users...

3ヶ月 前 | 0

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R-Squared in Curve-fitting Tool
Hello, Different methods weight the residuals differently while Fitting the curve, leading to a different curve, which is respo...

3ヶ月 前 | 0

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More Training data for R-CNN detector causes overfitting?
Hi, Overfitting happens when the model fits too well to the training set. It then becomes difficult for the model to generalize...

3ヶ月 前 | 1

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Can we solve this on MATLAB?
Following equation can be solved by making use of curl() and vpasolve() functions, as shown in the below example code: syms x y...

3ヶ月 前 | 0

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