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payman khayree


Carl von ossietzky

Active since 2013

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How can I get the 3d coordinates of a point by having its distance to some other points with known coordinates?
I have some points in a 3d grid and I have their distance to a point with unknown coordinates. Are there any matlab functions th...

meer dan 4 jaar ago | 1 answer | 0

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answer

Question


How are the vertex coordinates of a 3d patch defined? Is it possible to scale a patch by having vertrices and face information?
I have a 3d patch and its vertex coordinates are like: -0.6660 0 2.3060 -1.6440 0 ...

ongeveer 5 jaar ago | 0 answers | 0

0

answers

Question


What is the best way for scaling a 3d point cloud to a desired size?
How can I scale a 3d point cloud to different desired (smaller) sizes?

ongeveer 5 jaar ago | 2 answers | 1

2

answers

Question


how can I replace the zeros in the image?
I want to replace the zero valued pixels inside the object with the average of their non-zeros neighbours. whats the best way d...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Question


are there any ways to reduce the distortion in this image?
As you see, it is an image of something like a distorted grid of circle-like structures (alos attached). Are there anyways to co...

meer dan 6 jaar ago | 0 answers | 0

0

answers

Question


How can extract circular edges from this image when the edges are not actually cicular?
I have attached the original image as a mat file. So I would ask you download it and see it on your computer. If you focus on th...

meer dan 6 jaar ago | 0 answers | 0

0

answers

Question


I need help with this image processing problem?
I have been working with a series of images taken by an invasive recording technique. One of problems with these frames is that ...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Question


How can I correct the misplaced lines of this image?
Dear Matlab friends I am working with some images taken from the brainstem of mice. As you can see below, the lines(rows) o...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Question


How this decomposition must be done? should I use ICA?
Consider we have these 3 image frames: if true A = [ 1 1 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 ...

bijna 7 jaar ago | 0 answers | 0

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answers

Question


how can I get a figure like this?
does this figure has a specific name? have you seen it before? <</matlabcentral/answers/uploaded_files/17929/isinc2.jpg>> ...

ongeveer 7 jaar ago | 0 answers | 0

0

answers

Question


How can I get a sinc function like this?
As we know there is a sinc function in matlab which calculates the sinc of the data. But I need to get a sinc function that l...

ongeveer 7 jaar ago | 1 answer | 0

1

answer

Question


Does such a spatial filter exist?
Are ther any kind of 2d spatial filters that can shift a border in an image. for example, lets imagine we have a 400*400 matri...

ongeveer 7 jaar ago | 1 answer | 0

1

answer

Question


How can I get all possible solutions for an equation?
I need to get all possible solutions for this equation: sin(x)/x == a for "0.2 < a < 1", it has 3 to 5 solution...

ongeveer 7 jaar ago | 2 answers | 0

2

answers

Question


multiclass svm, one vs all
Dear all I am trying to train a multiclass svm using one vs all method. I need some hints doing this. How should I define the ...

ongeveer 7 jaar ago | 0 answers | 0

0

answers

Question


How can I access cell array of the base workspace variables from inside a GUI function?
I need to access the cell array of all the variables in the base workspace from inside a GUI function and I can not use the "wh...

ongeveer 7 jaar ago | 1 answer | 0

1

answer

Question


How can I run this costfunction optimization ?
*I am trying to run this optimization:* function [jVal,gradient]=costfunction(theta); jVal=(theta(1)-5)^2+(theta(2)-...

bijna 8 jaar ago | 1 answer | 0

1

answer