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can u explain the logic of this program.while am running the program i got the error like this"Error using alphatrim (line 3) Not enough input arguments.""can u suggest the solution
As the error mentions, please check you input arguments, g,m,n,d.

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How can i use this image file in matlab?
Hi, you image size is Name Size Bytes Class Attributes I 250x282x17 2397...

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how can we PSNR ratio for images?
Check out the <http://www.mathworks.com.au/matlabcentral/fileexchange/135-psnr link> on file exchange to compute the PSNR betwee...

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Image subtraction for vessel segmentation in angiogram image?
you could try enhancing the image , it all depends on the type of noise present in the image, for example histeq or finding the ...

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Adding legend to plot window before actually plotting
Did you try to go in Edit-> Figure Properties in the plot window?

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image processing,SIFT and cell array
Try posting your code of what you have done so far and which part you need help.Otherwise the question is too vague ...

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cannot open local matlabpool
Which OS and which matlab version are you using?

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??? In an assignment A(I) = B, the number of elements in B and I must be the same. matlab error
I think you might need to initialize d here before making the addition

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How to substitute call to imshow() with image()
If you don't have the IPT, try using imdisp from file exchange <http://www.mathworks.com/matlabcentral/fileexchange/22387-im...

presque 11 ans il y a | 0

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error to display image
If you are reading direclty from a video, you should probably use the step function: For example: filename = 'shaky_car...

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Processing Video Frames with Markers
template matching could work.. you compare the template in your reference image with your other frames, you can check 'normxcorr...

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Randomly neighbouring pixels from image
you could use imdilate with a strel to expand the pixels area

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Imwrite within a function
one of the many solutions: temp = image.name(1:3); new_name = [temp,'_MaskFiltered.tiff']; imwrite(modified_image,new_nam...

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Problem with ifftn and ifftshift??
Sounds like Imaginary components are there due to round off errors, try extracting the real part f = real(ifft2(F));

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How do you initialize an N*M matrix?
you could initialize the matrix, M = zeros(n,m);

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finding x and y coordinates of the image and spline fit
if your boundary is black on the binary image, you can try the following: [a,b]= find(Im==0);

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extract boundaries of images
did you try to use edge detection techniques such as canny or sobel? Also, I would give morphological operations a try to see...

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How to construct array for 45 degrees integral image
you can look into imrotate to change rotate the image?

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Set pixel value to zero in intensity image
I = imread(img); I(614,513)=0;

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how can i create noise by using (gaussian, speckle, salt&pepper) just creation
You can use the function 'imnoise' This should get you started..<http://www.mathworks.com.au/help/images/ref/imnoise.html>

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marking line point on image and intensity profile
Assuming you are looking for pixels with intensity, 128; I = imread(img); ind = find(I==128); I(ind)=255;

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Displaying gif Image in Matlab
I = imread('image_name.gif'); imshow(I)

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Correlation coefficient for image pixels
Hello, I am pretty sure corr2 returns a value , <http://www.mathworks.com.au/help/images/ref/corr2.html> You need to compare ...

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How can I specify a folder path using input?
ID = [in_path,'\',ID]; cd(ID)

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Draw borders inside imagesc matrix
Not sure if this solves your problem but did you check *grid on* There is an example <http://www.mathworks.com.au/help/matlab/...

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I don't understand the Icolored(:,:,1/2/3).
Coloured images are basically made up of Red, Green and Blue channels. Each colour code is stored in a given dimension and what ...

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if i've three images for the same scene but are corrupted with additive uncorrelated noise , which operation can i use to reduce the level of noise??
you could try averaging or a Gaussian filter.. which type of noise is it? salt & pepper noise? blur?

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Question

Apply transform on an image at lower resolution onto that of higher resolution
Hello, I am performing a transformation for video stabilization on frames at 0.125 of the original size. I would now like to inf...

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Automatic detection of veterbrae regions.
This might be a <http://blogs.mathworks.com/steve/2010/07/30/visualizing-regionprops-ellipse-measurements/> to start

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Image segmentation using classifier
SVM is a machine learning technique where you will need to train the positive and negative try typing 'docsearch svm' in you...

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