Ynne

Actif depuis 2012

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How to plot 3D ?
I want to use this below mentioned code to plot the distributions in 3D format, how can i fix it? x = -6:0.01:6; rho...

plus de 7 ans il y a | 1 réponse | 0

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Question

How to convert grayscale to rgb ?
I used the following script to convert grayscale image to rgb [im, map] = imread('frame1.jpg'); if(isempty(map)) % image ...

presque 8 ans il y a | 2 réponses | 1

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réponses

Question

Extract matrix from vector of .mat file
Dear all, According to the following code: i=load('138078.mat') i = imageLabelCell: {1x6 cell} ...

presque 8 ans il y a | 1 réponse | 0

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Question

How to read/ load .seg file ?
I need to compare image segmentation result with ground truth wich is a .seg extenion file. How can I load this and create imag...

presque 8 ans il y a | 1 réponse | 0

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Question

How to pick a sliding window of pixels arround a pixel ?
Hi, I used the following loop to select at each iteration a window of 5x5 pixels around a pixel of a given image 'im' in this c...

presque 8 ans il y a | 1 réponse | 0

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Question

Feature extraction using Correlgoram : What does this means ?
Dear all, I want to extract color features from a specific image. For this i tried to use the CBIR which i found via this lin...

presque 8 ans il y a | 1 réponse | 0

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Question

What does this means ?
Dear all, I picked up a window of 5X5 from a given image im1=im(1:5,1:5) ans = 41 40 38 38 37 42 40 ...

presque 8 ans il y a | 1 réponse | 0

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Question

Calculate GLCM feature vector for each pixel of an image
Dear all, I used graycomatrix and graycoprops functions to obtain texture feature which are single values of each feature. N...

presque 8 ans il y a | 1 réponse | 0

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Question

Display texture image based on GLCM matrix
Hi, I used graycomatrix and graycoprops functions in order to get texture features of an input image. Now , i want to display ...

presque 8 ans il y a | 1 réponse | 0

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Question

How to implement Edge Preservation index ?
Dear all, I want to use Edge preservation index in order to compare 2 images. Is there any function in matlab to deal with it...

plus de 8 ans il y a | 1 réponse | 0

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Question

How do I implement this function in Matlab ?
Dear all, I found this term (in attached image) in an equation and i couldn't understand it. it is different from the sum fun...

plus de 8 ans il y a | 2 réponses | 0

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réponses

Question

How do I deal with ground truth provided as contours text file ?
Hi, I should evaluate my Left ventricle MRI segmentation results according to a set of ground truth segmentation which are provi...

presque 9 ans il y a | 1 réponse | 0

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Question

How to extract image region within boundary
Hi, I have to segment the LV from cardiac MRI. The output is an image with a boundary for the specified region (attached image)...

presque 9 ans il y a | 2 réponses | 0

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Question

Left Ventricle MRI segmentation
Hi, i'am using GMM in order to segment LV from caridac MRI. My problem is the initialization of the algorithm. How can I fin...

presque 9 ans il y a | 1 réponse | 0

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How to change pixel values of background of an MRI Segmented result ?
another example with this image, the black region within the brain is a class. So when i want toextract it from image it will be...

presque 9 ans il y a | 0

Question

How to change pixel values of background of an MRI Segmented result ?
Hi, I am trying to run a script for object segmentation based on GMM. As the example presented below the image is segmented int...

presque 9 ans il y a | 3 réponses | 0

3

réponses

Question

How can I get ground truth and simulated images from .mnc file ?
Hi, I downloaded a .mnc file (t1_icbm_normal_1mm_pn3_rf20) from brainweb website. I tried the loadminc function provided t...

environ 9 ans il y a | 1 réponse | 0

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Question

Error using kmeans Too Many input Arguments
Hello, Error using kmeans Too many input arguments. The code is below. It works when trying with matlab 7 but fails whith m...

environ 9 ans il y a | 1 réponse | 0

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Question

Separate the Image Segmentation Results in different images
Hello, The image below illustrates the results of a segmentation algorithm. My questions are: 1- what should i change to hav...

environ 9 ans il y a | 1 réponse | 0

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Question

Index out of bounds
Hello, I am trying to run a script and I am getting the following error: Attempted to access ym(:,2); index out of bounds beca...

plus de 9 ans il y a | 1 réponse | 0

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Question

GD vs GM models
Hello, Is there any difference between Gaussian distribution and Gaussian mixture models. Thanks in advance.

plus de 9 ans il y a | 1 réponse | 0

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Question

Global and local statistics
Hello I am working on a project that deals with image processing. My question is what are the global and local image statis...

presque 11 ans il y a | 1 réponse | 0

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Question

Gaussian process for handwritten digits classification
Hello, I'm traying to test the gpml toolbox for handwritten digits digits classification. i used the USPS database. My probl...

environ 11 ans il y a | 1 réponse | 0

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Question

Fuzzy logic Approach to Image Fusion
Hi, I am trying to test fuzzy logic approach to fuse too images. Following is the source i'am using: function Y=fus...

presque 13 ans il y a | 1 réponse | 0

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