Mahua Nandy(Pal)

MCKVIE/WBUT

Actif depuis 2012

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Asst. prof. Professional Interests: neural net,Pattern Classification,GA

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Question

how to evaluate weka model in matlab
My code is javaaddpath('C:\Program Files\Weka-3-7\weka.jar'); import weka.classifiers.*; import weka.classifiers.Classifier....

plus de 10 ans il y a | 1 réponse | 1

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out of memory problem
The input of my program is an image. It gives out of memory error. But the same program runs successfully with less resolution v...

presque 11 ans il y a | 1 réponse | 0

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Question

Conversion to cell from double is not possible
Consider the following code: mean=mean(mean(window)); std_dev=std(std(double(window))); Output(i1,1)=mean_window; O...

plus de 12 ans il y a | 1 réponse | 0

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Question

finding maximum abs value of four images
I have four 16x16 images.I want to form another image by taking the maximum abs value of all four values of a particular pixel ...

plus de 12 ans il y a | 2 réponses | 0

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Question

how to get the roi of an image by masking
I have an image of size 584x565x3 and a binary mask of size 584x565. please consider the following piece of code greenimg=...

plus de 12 ans il y a | 1 réponse | 0

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Question

how to find out maximum modulus image
I have 4 gabor filtered images over 4 orientations. how to find out the maximum modulus image from those?

plus de 12 ans il y a | 1 réponse | 0

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Question

How to find out windowwise mean and standard deviation of some particular pixels.
I have a .txt file with 50 rows and 2 columns indicating 50 pixel positions in an image.I am reading that file with the followin...

plus de 12 ans il y a | 2 réponses | 0

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Question

how to call weka classifier(ANN or SVM) from matlab?
how to call weka classifier(ANN or SVM) from matlab? I have Weka 3.6 and matlab 2008 in my machine. I have created a feature ve...

plus de 12 ans il y a | 1 réponse | 0

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Question

how to plot cluster centers
how can i plot 6 cluster centers?These centers are obtained using [center,U,objFcn] = fcm(norm_input,6);

environ 13 ans il y a | 1 réponse | 0

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Question

image registration transformation parameters
how do i get the the value of transformation parameters in image registration?

environ 13 ans il y a | 1 réponse | 0

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Question

how to obtain rms error
Please tell me how to calculate the rms error in image registration?

environ 13 ans il y a | 2 réponses | 0

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réponses

Question

surf plot with underneath image
How data can be shown as a surf plot and underneath, on the ground or x-y plane, the image is shown.

environ 13 ans il y a | 1 réponse | 0

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Réponse apportée
Create histogram to determine the threshold value to use [image processing]
I = imread('coins.png'); level = graythresh(I); BW = im2bw(I,level); figure, imshow(BW)

environ 13 ans il y a | 0

Question

3d plot of an image
size(I) ans = 287 499 3 Please let me know how can I get 3D plot of the image I?

environ 13 ans il y a | 1 réponse | 0

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Question

3d plot of an image
how can i get 3d plot of an image

environ 13 ans il y a | 4 réponses | 0

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Question

control point matching in image registration
which algorithm is used in matlab to match several selected control points in case of image registration?

environ 13 ans il y a | 1 réponse | 0

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Question

How can I cluster three groups of data using fuzzy cmeans clustering?
How can I cluster three groups of data using fuzzy cmeans clustering?

environ 13 ans il y a | 1 réponse | 0

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Question

how can I cluster into 3 groups using fcm
I have matrix of dimension 120x3. How can I cluster that data into 3 groups using fuzzy c means(fcm) clustering?

environ 13 ans il y a | 1 réponse | 0

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Question

plotting data with different color
I have a matrix of 120 x 3 dimension.I want to plot column 1 data with green circles, column 2 data with red circles and column ...

environ 13 ans il y a | 1 réponse | 0

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Question

sigma value of gabor
what is the range of values that can be taken as sigma value for gabor filter? How that value can be optimized?

environ 13 ans il y a | 1 réponse | 0

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Question

filtered image
I am getting a bigger size image when I am saving the filtered image(imfilter with 'same' option).After filter when I use 'size'...

plus de 13 ans il y a | 1 réponse | 0

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Question

sigma of gabor filter
sigma values in x an y direction should be the same or different in filtering with gabor filter, which one is better and why?wha...

plus de 13 ans il y a | 1 réponse | 0

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Question

gabor on inverted image
Which one is better? to apply gabor filter on inverted(imcomplement) image or to apply it directly on image and why?

plus de 13 ans il y a | 1 réponse | 0

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Question

8 bit depth RGB image(gif)
is it possible to separate red ,green and blue channel of a 8 bit depth gif image with the following code? redimg=im; ...

plus de 13 ans il y a | 1 réponse | 0

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Question

masking with a gif image with 8 bit depth
Is it possible to use a gif image with 8 bit depth(0-255) as a mask image? again, is it possible to separate red ,green and bl...

plus de 13 ans il y a | 1 réponse | 0

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Question

how to set the fitness function
how to set the fitness function of genetic algo in optimtool ('ga')when working with optimization of gabor filter.Please answer....

plus de 13 ans il y a | 1 réponse | 0

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Question

masking some desired portion of an image
How to mask a portion of a rgb(tif) and a gray image by using a gif mask(0/255)? maskedRgbImage = bsxfun(@times, rgbImage, ca...

plus de 13 ans il y a | 1 réponse | 0

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Question

masking some desired portion of an image
how do i mask a portion of a rgb(tif) and a gray img with an available gif mask(0 and 255)?I am in urgent need, please answer.Th...

plus de 13 ans il y a | 1 réponse | 0

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