hasan alhussaini
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Awarded to hasan alhussaini on 09 Oct 2019
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Question
A question regarding Ifanbeam and Iradon
Hello i had a technical question regarding these functions. So i have a magnified sinogram, and when i reconstruct the ifan...
environ 6 ans il y a | 1 réponse | 0
0
réponseQuestion
Ifanbeam and Iradon comparison
Hello, i've got two images of the same object. 1st from Ifanbeam and the second from Iradon. is there a image quality techn...
environ 6 ans il y a | 1 réponse | 0
0
réponseQuestion
Gradient magnitude of an image
Hello I've got a general question regarding the gradient magnitude. if i have a gradient magnitude one of image, and the grad...
environ 6 ans il y a | 1 réponse | 0
1
réponseQuestion
Sharpness of an image
Hello, Is there a way to detect the sharpness value of a profile line? Thanks
environ 6 ans il y a | 1 réponse | 0
1
réponseQuestion
how to use contours to compare two images?
Hello, i'm trying compare the following two attachments using contours. if anyone has any information that i can read up about c...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
cone beam x-ray
Hello, i have a set of projections at one rotation angle, I've used iradon/ifanbeam to get the image reconstruction for b...
plus de 6 ans il y a | 1 réponse | 0
0
réponseQuestion
creating a dragable box
Hello, i'm trying to create a drag able box in one image, and use the [xmin ymin width height] of the box that i created as the ...
plus de 6 ans il y a | 1 réponse | 0
0
réponseQuestion
I need help with ifanbeam
Hello, i'm quite new to matlab, and i'm trying to implement image reconstruction from projections. i have a fanbeam project...
plus de 6 ans il y a | 1 réponse | 0
0
réponseQuestion
iradon and radon function
Hello! I'm quite new to the idea of Radon and Iradon functions. Therefore i was not sure if i did them correctly or not. i ha...
plus de 6 ans il y a | 1 réponse | 0
0
réponseQuestion
saving an image in a specific folder
Hello, i'm trying to save an image to a specific folder, however when i save the image i would like to give it any name i ...
plus de 6 ans il y a | 3 réponses | 0
3
réponsesQuestion
selecting a text file from a work directory
Hello! i'm quite new to matlab. i've got the following code [pos_file,workdir] = uigetfile({'*.jpg;*.tif;*.png;*.gif;.txt*','...
plus de 6 ans il y a | 2 réponses | 0
2
réponsesQuestion
Adding elements of a matrix
Hi, I've attached an image of a variable i have. the variable F is a 5x22 cell, each element in the cell is a 1x3 containing ...
plus de 6 ans il y a | 2 réponses | 0
2
réponsesSplitting an image into smaller regions
Hi Image Analyst. I've altered your code to put each block of the image in a bin named F{r,c}. and F{r,c} is a cell of 2x4...
plus de 6 ans il y a | 0
Question
L1 and l2 norm
i'm trying to find the code not the function to implement L1 and L2 norm. I'm trying to compute the L1 and L2 norm of pixels ...
plus de 6 ans il y a | 2 réponses | 0
2
réponsesQuestion
Reading text in a cell array
Hey! Basically i have a variable called imagetype1, that is a 1x1 cell. that tells gives me a category type such as flowers,d...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
how to save a name in a cell
Hey, so basically i have this variable v, that is in a loop k:1:600 the loop looks at all my images in the folder(which is 6...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
Splitting an image into smaller regions
Hi Guys, I'm working on a code that creates an RGB descriptor for visual search. i've managed to implement the rgb descriptor...
plus de 6 ans il y a | 3 réponses | 0
3
réponsesQuestion
how to encode a low pass filter to an image
Hi, I'm quite new to Matlab. im trying to write an encoded code to filter an image. i'm using the following filter code. filt...
environ 7 ans il y a | 1 réponse | 0
1
réponseQuestion
im saving two images but how do i change their names ?
Hi, Basically the code saves the two images, but how would i go about giving each image a name? because atm they are overwriting...
environ 7 ans il y a | 1 réponse | 0
0
réponseQuestion
How does Iradon and radon work?
Hi I'm a beginner, I've got a sinogram attach, and i'm not sure what i'm doing wrong with the following code, the data projectio...
environ 7 ans il y a | 1 réponse | 0
1
réponseQuestion
deleting some information in a matrix
Hi i'm quite a beginner on Matlab. basically, the following is an example of a coding im working on, I'm trying to make B hav...
environ 7 ans il y a | 1 réponse | 0
1
réponseQuestion
averaging a column in a image matlab
i'm getting an artefact in my image its going down, is there away to get rid of it? i was thinking maybe use the column on th...
environ 7 ans il y a | 2 réponses | 0
2
réponsesQuestion
is there a way to plot a line that is the reverse of the y axis?
Hi i'm looking for a synatix or function that rotates a plot, e.g if i have a peak that is a minimum, is there a way to flip ...
environ 7 ans il y a | 1 réponse | 0
1
réponseQuestion
trying to average some tiff's images
Hi i'm trying to average 5 tiff images, i'm not sure if im doing it correctly? A=5 ysize= 2368; xsize= 2240; dark ...
environ 7 ans il y a | 2 réponses | 0
2
réponsesQuestion
Need help with a syntax
basically i'm converting an idl syntax to MATlab the idl syntax is known as "fix" which "The FIX function converts a given expr...
environ 7 ans il y a | 2 réponses | 0
2
réponsesQuestion
translating from idl to matlab
Hi I'm trying to translate some codes i have from IDL to matlab. the idl codes are lineflat = reform(flatsub(*,cutline)...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
is there a function similiar to "replicate" from idl?
the idl syntax is described as "The REPLICATE function returns an array with the given dimensions, filled with the scalar value...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
if there a synatix that selects and cuts a line of a image in matlab?
hi i'm looking for syntax that selects a line in a image and cuts it. or is there anything around it? Thanks
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
i'm looking for a function that scales the intensity values of Image
Hi I'm looking for a syntax that scales the intensity values of an image lets called "im" between the minimun(min) and maximum ...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
I'm really stuck here.. average images
Hi so i've been working on this code for awhile now. the idea behind it is that i used a machine to capture some images, the ...
plus de 7 ans il y a | 1 réponse | 0
1
réponse
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