Meghana Dinesh

Mindflow Technologies

2014 年からアクティブ

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質問

Find closest 8-connected chessboard distance between multiple pairs of points: shortest m-path
I am working on binary images. I have two sets of points: PNodes and FNodes. I want to find the closest PNode to each of the FNo...

7年弱前 | 1 件の回答 | 0

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質問

Function similar to bwconncomp, but on 3D point clouds.
Is there a MATLAB function which does this: _Given a 3D matrix (say, point cloud) two adjacent pixels should be connected if...

約7年前 | 0 件の回答 | 0

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Element by element (xor) operation on cells.
I have two variables, |Test| and |Train|. |Test| = |cell| of dimension |10 x 1| and |Train| = |cell| of dimension |20 x ...

7年以上前 | 1 件の回答 | 0

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Eliminate all rows with '\N' element in a cell
This is a simple question, but I'm getting confused cuz of the different datatypes in cell I have Cell_A (attached). I want t...

8年弱前 | 1 件の回答 | 0

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how to detect the value angle of rotation object ?
You can find the major axes of all the four objects. The direction of each of their major axis gives the angle of rotation.

8年以上前 | 0

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Starting a new line
Are you typing your code in the Command Window? Then use "..." and < enter > <</matlabcentral/answers/uploaded_files/48325/Un...

8年以上前 | 0

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I'm trying to simplify an expression or equation symbolically and I get the same error every time. Undefined function or variable 'x'.
What exactly is your command? It seems like you haven't told MATLAB what the value of |x| is. First, initialize a value for |x| ...

9年弱前 | 0

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hello guys, i have mat file < 15151x723 double > but i want this file with 3 columns only. after 15151 rows i want next 3 columns should come bellow that.same with next 3 columns ...hope you understand...
Have you tried using |reshape|? If a = [1 2 3 4 5 6 10 20 30 40 50 60 100 200 300 400 500 600 1000 2000 3000 4000 ...

9年弱前 | 0

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how can i replace white pixel (in binary image) with a color pixel of another image?
I do this all the time. This is what I do: |mask| is the binary image mask (2D) (converted to logical values). |rgbImg| is th...

9年弱前 | 1

約9年前 | 0

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how to find pixels in donut slices
Do you mean the _intensity_ values of each pixel in an image? If so, use <http://in.mathworks.com/help/images/ref/imtool.html...

約9年前 | 0

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what does this error means-"Function definitions are not permitted at the prompt or in scripts."?
It means you are trying to define a function in the prompt or maybe within a different script. This is not permitted in MATLAB. ...

約9年前 | 0

約9年前 | 0

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Want to find a specific column of needed data
Have you tried using <http://in.mathworks.com/help/matlab/ref/ismember.html#btcnv44-12 |ismember|>? I believe you can use a comb...

約9年前 | 0

質問

Detect irregular dark spots in a gray scale image.
I require ideas to detect these kind of black spots in a gray scale image. <</matlabcentral/answers/uploaded_files/39748/Gra...

約9年前 | 1 件の回答 | 0

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3D Point Cloud to 2D depth image
Use <http://in.mathworks.com/help/vision/ref/disparity.html |disparity|>.

約9年前 | 0

質問

MATALB error (java.net.SocketTimeoutException ...)
I have been facing this issue a lot lately. When I run some code and leave the MATLAB window open but minimized for half an hour...

約9年前 | 1 件の回答 | 0

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how can i add my result to sheet 2 in my excel sheet
Use the syntax: |xlswrite(filename,A,sheet)|

約9年前 | 0

質問

Error after computing 3 coefficients of Radial Distortion for stereo Calibration
When I performed stereo calibration by selecting the radio button _3 Coefficients_ for Radial Distortion, I was not able to vie...

約9年前 | 1 件の回答 | 1

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質問

Make all elements of given row numbers equal to NaN.
Given a matrix, if any element has a non-finite value, I want to make all elements of that row equal to NaN. For example: In...

約9年前 | 1 件の回答 | 0

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質問

Specify limits to a plane's dimension, depending on data dimensions, so it exactly overlaps data
I am plotting a plane which should overlap with 3D data available. In certain cases (as shown below), the plane's dimension beco...

約9年前 | 1 件の回答 | 0

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質問

View plane overlapped with point cloud.
Using the function |pcfitplane|, I get an equation of a plane. In this case, it is [-0.097 -0.055 0.993]. How can I view it such...

約9年前 | 1 件の回答 | 1

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質問

Filtering a 3D point cloud
I have attached a 3D point cloud <https://www.dropbox.com/sh/ij5a9ule9nctl3m/AAAib_eKnbx9PKh5yqAsfwvGa?dl=0 here> . You can call...

約9年前 | 1 件の回答 | 1

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質問

doubt regarding bwconncomp example.
This is a small doubt.....I'm stuck in the second example given for |bwconncomp| by Mathworks. This example removes the group ...

9年以上前 | 2 件の回答 | 0

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質問

Dot product of matrix with scalar
This is a trivial question. I have a matrix B = [1 1 1; 5 5 5; 9 9 9; 2 2 2; 6 6 6; 10 10 10; 3 3 3; 7 7 7; 11 11 11...

9年以上前 | 1 件の回答 | 0

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質問

Aligning 3D stereo co-ordinate system along local vertical and local horizontal
Using stereo vision, I am able to reconstruct the object under inspection. After calibration, I know the co-ordinate system w...

9年以上前 | 1 件の回答 | 1

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質問

Sources of error to calculate X, Y Z distances using stereo when disparity map seems alright.
This issue is wrt Image scene reconstruction using Stereo Calibration. I have a good (compared to my earlier pointClouds) recon...

9年以上前 | 1 件の回答 | 1

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質問

Interpolating points of a 3D point cloud
I have two questions: 1. I have a 3D point cloud which isn't continuous. There are a few gaps in it. I want to interpolate th...

9年以上前 | 1 件の回答 | 0

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質問

Accurate stereo reconstruction of high resolution image
I am doing stereo calibration and scene reconstruction. The disparity map I obtain is much better than what I was initially get...

9年以上前 | 2 件の回答 | 0

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質問

Calculation of distance (z-axis) to object using CVST
I am facing an issue while using Computer Vision System Toolbox, while calculating the 3D distance to an object from a stereo se...

9年以上前 | 1 件の回答 | 0

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