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hasan alhussaini


自 2017 起处于活动状态

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统计学

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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...

6 years 前 | 0 个回答 | 0

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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...

6 years 前 | 0 个回答 | 0

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提问


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...

6 years 前 | 1 个回答 | 0

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提问


Sharpness of an image
Hello, Is there a way to detect the sharpness value of a profile line? Thanks

6 years 前 | 1 个回答 | 0

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提问


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...

6 years 前 | 1 个回答 | 0

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提问


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...

6 years 前 | 0 个回答 | 0

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提问


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 ...

6 years 前 | 0 个回答 | 0

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提问


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...

6 years 前 | 0 个回答 | 0

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提问


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...

6 years 前 | 0 个回答 | 0

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提问


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 ...

6 years 前 | 3 个回答 | 0

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提问


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*','...

6 years 前 | 2 个回答 | 0

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提问


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 ...

6 years 前 | 2 个回答 | 0

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已回答
Splitting 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...

7 years 前 | 0

提问


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 ...

7 years 前 | 2 个回答 | 0

2

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提问


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...

7 years 前 | 1 个回答 | 0

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提问


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...

7 years 前 | 1 个回答 | 0

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提问


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...

7 years 前 | 3 个回答 | 0

3

个回答

提问


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...

7 years 前 | 1 个回答 | 0

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提问


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...

7 years 前 | 0 个回答 | 0

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提问


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...

7 years 前 | 1 个回答 | 0

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提问


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...

7 years 前 | 1 个回答 | 0

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提问


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...

7 years 前 | 2 个回答 | 0

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提问


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 ...

7 years 前 | 1 个回答 | 0

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提问


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 ...

7 years 前 | 2 个回答 | 0

2

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提问


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...

7 years 前 | 2 个回答 | 0

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提问


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)...

7 years 前 | 1 个回答 | 0

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提问


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...

7 years 前 | 1 个回答 | 0

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提问


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

7 years 前 | 1 个回答 | 0

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提问


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 ...

7 years 前 | 1 个回答 | 0

1

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提问


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 ...

7 years 前 | 1 个回答 | 0

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