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Basim Kakakhel


22 total contributions since 2009

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Question


Converting an Edge Response Function to LSF and then to a Normalized MTF
Hi there, I have two CT images of the same gel sample, however these have been reconstructed using two different techniques. ...

1 year ago | 0 Answers | 0

0

answers

Question


Edge Spread Function Calucaltion
Hi everybody, I have a DICOM CT image (now stored as a 512x512 matrix) containing a Polymer Gel dose distribution. Is there a...

1 year ago | 1 Answers | 0

1

answer

Question


Construction of an isosurface from CT images.
I have CT images form clinic. Images have been processed successfully (was the most difficult part) The resultant images are ...

4 years ago | 1 Answers | 0

1

answer

Responded


Re: Exponetial Fit Problem
Sorry you are right that my description is not clear. Here x is the ct number stored in array, D is dose and is a scalar. I don...

6 years ago | 1789 views

Posted


Exponetial Fit Problem
Hello Friends I have an array of 360 elements. To this data set i want to fit an exponential function of the form H= x (1- e...

6 years ago | 1789 views

Posted


Fitting an exponential fucntion to an array
Hi there I am tracking a a single pixel value over 360 images in an array. That means i have an array of 360 elements. How ca...

6 years ago | 1374 views

Posted


Polyfit
i have a vector c (360x1) of int16 type, These are 360 pixel values and i want to fit a polynomial to this vector c. How can i a...

6 years ago | 1474 views

Posted


Line fitting query
Hi There I have set of 360 DICOM images. I am monitoring the value of each pixel thought the 360 images. So far each pixle i wi...

6 years ago | 1852 views

Responded


Re: Storing multiple 2D arrays in a 3D array
Thanks James for your very useful comments. BASIM

6 years ago | 13102 views

Responded


Re: Storing multiple 2D arrays in a 3D array
Thanks for the help James. One last question to add with this, Whenever i have a dicom image i subtract it from a 2D water ima...

6 years ago | 13102 views

Posted


Storing multiple 2D arrays in a 3D array
I have 60, 2D dicom images and i want to store them to a single 3 D array Is the following code correct if i am varying th...

6 years ago | 13102 views

Responded


Re: Sorting the name field in dir commnad
HI Jan it is still not working my first file should be 1.2.840.113619.2.55.3.2831168513.928.1288213614.2.1.dcm However it is...

6 years ago | 10238 views

Posted


Reducing the size of Matrix
Hi Ross I don't want to interpolate the data, what i am saying is that my default image is large and if i crop it to half still...

6 years ago | 3443 views

Posted


Sorting the name field in dir commnad
Hello I have to upload CT images from my local drive. I am using the dir command. In one of the data sets the OS is giving the ...

6 years ago | 10238 views

Posted


Reducing the size of Matrix
I have a large set of 512x512 image from a CT scanner stored in the m file as 512x512 matrices, however i don't need that big im...

6 years ago | 3443 views

Posted


Moving a dose grid
Hello I have a situation where i have to compare a static and a moving dose grids. from my Monte Carlo simulations i will get a...

6 years ago | 1260 views

Responded


Re: Can i Plot two meshes in one plot.
Do i need to change the color scheme for the second plot, or other wise they will look the same.

6 years ago | 7730 views

Posted


Can i Plot two meshes in one plot.
Hi there I have two 3D images which i can easily display as separate mesh plots. However i want to superimpose these two imag...

6 years ago | 7730 views

Responded


Re: dlmread problem
Hi Adee Thanks i checked the file again it was my fault actually i was supposed to read a file containing numerals only, howeve...

7 years ago | 9318 views

Responded


Re: dlmread problem
Hi Ade this is what i am getting ??? Error using ==> dlmread at 145 Mismatch between file and format string. Trouble reading n...

7 years ago | 9318 views

Responded


Re: dlmread problem
Thanks adee i did the following Still does not works

7 years ago | 9318 views

Posted


dlmread problem
Hi there i want to do the following i have a dlmread command where i manually specify the file name enclosed in quotes. Now i ...

7 years ago | 9318 views