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Alan AF


Active since 2011

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Professional Interests: Image prosessing

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Question


Scaling image after rotaining camera in y direction
HI I have a set of Images that are calculated to simulate a ray interaction from different views. each image is similar to cal...

10 years ago | 0 answers | 0

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Question


Radon transform in matlab
Hi Everyone, Is there any numerically efficient package to compute the Radon transform and the back projection, probably using ...

10 years ago | 2 answers | 1

2

answers

Question


Fourier based Filtered back projection
*Hello Everyone,* Are there any Fourier based implementation of the CT filtered back projection reconstruction algorithm. ...

10 years ago | 0 answers | 0

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answers

Question


non uniform fourier transform for Tomography
Hi How can I use the NUFFT for CT tomography problem? I tried to use Fesler package but could not understand how to implement ...

10 years ago | 0 answers | 0

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answers

Question


Central Slice theorem using using Fessler's NUFFT package?
Hello! Do Anyone know how to implement the Central Slice theorem using using Fessler's NUFFT package?

11 years ago | 0 answers | 0

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answers

Question


How to implement Central slice theorem in matlab?
Hello! May I have you help please with the below issue: I am trying to find a accurate and fast implementation of the cent...

11 years ago | 0 answers | 0

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Question


Projection slice theorem using polar NUFFT
Hi everyone! Are there any implementation of the central slice theorem using the polar_FFT of NUFFT ( nonuniform FFT )? Ac...

11 years ago | 0 answers | 0

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answers

Question


spherical aberration and Chromatic aberration
Hi How can we simulate spherical aberration in matlab? It might be by using the below code, but what are the parameters ?? ...

12 years ago | 4 answers | 1

4

answers

Question


Maximal Information Coefficient
How can the *Maximal Information Coefficient* be simulated in Matlab? it is described in the paper below: <MIC http://www....

12 years ago | 0 answers | 1

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answers

Question


comparing volume of two 3d matrices
I have two 3d matrices called ORIGINAL and RECONSTRUCTED, size 500x500x500. * ORIGINAL [Solid intensity: 0 black , 1 white...

13 years ago | 1 answer | 0

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Answered
Gray image quantization
Thank you, I found the Solution: R2D = mat2gray(R2D); [R2D8,map] = gray2ind(R2D,128); pic = ind2gray(R2D8,map); p...

13 years ago | 0

| accepted

Question


Gray image quantization
I am trying to quantize an image into 12 bit intensity using the below code: R2D = mat2gray(R2D); % intensity b...

13 years ago | 2 answers | 0

2

answers

Question


Exponential Radon Projection
Hi Can any one help me implementing 'Exponential Radon'? the Radon function in Matlab is using the Linear Radon type for X-Ray...

13 years ago | 0 answers | 0

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answers

Question


3D Tilted projection
*Is there any Matlab script to get 2D projections of a 3D matrix after rotating the 3D matrix X degrees over it self?* Actual...

13 years ago | 3 answers | 1

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answers