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Question

nonsubsampled Contourlet decomposition NSCT

I have an image (medical image) 1024*1024 I'm trying to decompose it using the NSCT toolbox but every time I run the code I got ...

8 years ago | 0 answers | 0

### 0

answersQuestion

save .TIFF file

I have an image (medical image) stocked as .TIFF file, when I read it I’ve found 4 matrix the first, the second and the third on...

8 years ago | 1 answer | 0

### 1

answerQuestion

noise type: PDF+Hypothesis test

I have a 2D matrix of values. I've considered these values as a noise. What I'm trying to do is to draw the PDF of my matrix and...

8 years ago | 0 answers | 0

### 0

answersQuestion

ContourletSD ContourletSDmm_ne.m file

In order to denoise my data I used the conourletSD toolbox in http://lu.seas.harvard.edu/software/contourletsd-matlab-code-imple...

9 years ago | 0 answers | 0

### 0

answersQuestion

how we choose the number of direction in each level for contourlet

I want to ask about the way we choose the direction in contourlet for example levels = [0,2,3,4,5] ; here they have di...

9 years ago | 0 answers | 0

### 0

answersQuestion

difference between imhist and histfit

Hi; I applied the wavelet transform on series of images, then I tested the distribution of their coefficients by plotting the...

10 years ago | 1 answer | 0

### 1

answerQuestion

Extract Noise Parameters from images

Hi All: I'm trying to extract noise parameters from a gray image which contains an object. I did the binarisation then masked...

10 years ago | 1 answer | 0

### 1

answerQuestion

32 bits effect on tif images

hi; why when I convert my *gray* images to 32 bits by using uint32 instruction they get *'sombre'*,what can I do? my ima...

10 years ago | 1 answer | 0

### 1

answerQuestion

save images as tif 32 bits by using imwrite

Hi; I'm trying to save my images as tif 32 bits but I got this Error: *Cannot write uint32 data to a TIFF file* this i...

10 years ago | 2 answers | 0

### 2

answersQuestion

use imwrite for images sequence

Hi ; I'm trying to save my data 'Images' after some treatment by using imwrite but the problem is that imwrite does not w...

10 years ago | 1 answer | 0

### 1

answerQuestion

is there any function which replaces the function imwrite under matlab for .dm3 images?

Hi; I have a .dm3 images I read them but after applied some processing I want to write them under a specific file I usual...

10 years ago | 0 answers | 0

### 0

answersQuestion

How can I read a .DM3 files

Hi; I want to ask if is it possible to read .DM3 files under matlab I have a series of microscopy images and i want to read t...

10 years ago | 0 answers | 0

### 0

answersQuestion

Daubechies wavelets effect during the Denoising process

Hi everyone; I'm really confused about some results I got during Denoising An image (a hole in gray Background)as shown i...

10 years ago | 0 answers | 0

### 0

answersQuestion

How to show Tiff stacks

Hi everyone; I'm trying to show a tiff stack '57 images as one file' but I faced this problem: Warning: Can only display...

10 years ago | 3 answers | 0

### 3

answersQuestion

Db3 and Haar wavelets properties

Hi :); Is there someone who can explain to me why when I apply Db3 on my Test image which contains a hole it shifts especiall...

11 years ago | 0 answers | 0

### 0

answersQuestion

Average of 10 images

Hi; I read a series of images and I want to calculate their average I've written this code : I=zeros(size(Io)) for ...

11 years ago | 1 answer | 0

### 1

answerQuestion

SNR IN and SNR OUT

Hi; In order to compare the noisy and the De-noised image i should calculate the SNR IN and The SNR OUT SNR IN :the SNR be...

11 years ago | 0 answers | 0

### 0

answersQuestion

ERROR From STD 'standard deviation'

Hello every one; is anyone knows how can I extract the error between two images from their variance? knowing that I have the ST...

11 years ago | 1 answer | 0

### 1

answerQuestion

MSE Mean Square Error

I De-noise some images and I want to evaluate them so I calculate SNR but I want to use another like Mean Square Error (MSE) I s...

11 years ago | 3 answers | 1

### 3

answersQuestion

series of images as one 3D images

Hi; My Question is about how can I collect my images as one image to work on it like 3D image knowing that I have 9 images .tif...

11 years ago | 1 answer | 0

### 1

answerQuestion

Denoising by Donoho algorithm

Hello I'm trying to apply Donoho formula on my noisy image to get the threshold value and apply it on details coefficients whic...

11 years ago | 1 answer | 0