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Question
How to calculate SNR of an image? What is the difference between general SNR and power SNR?
I have reconstructed an image. I want to calculate the signal to noise ratio of the image.
9 years ago | 0 answers | 0
0
answersQuestion
How to remove sinc wiggles or truncation artifact?
While applying FFT to the data (fig 1 ), it is supposed to give a sinc function (like fig 4) without any wiggles/artifacts (as i...
9 years ago | 1 answer | 0
1
answerQuestion
How to get a accurate or near accurate extrapolation in interp1?
if 'extrap' extrapolation is used, the new vector doesn't give expected result. If zero is filled in the extrapolation points, t...
9 years ago | 1 answer | 0
1
answerQuestion
What is Maximum Value Profile in an image?
After reconstructing an image, it is mentioned (in a paper) that Maximum Value Profile of that image is shown. What is that? How...
9 years ago | 1 answer | 0
1
answerQuestion
How to name/number each line graph in Y axis, instead of the 1-9 numbers?
I want to name the line graphs in y axis like this (in red). Program as follows for i=1:9 g=GG(:,i)+i; plot(X,g...
9 years ago | 2 answers | 0
2
answersQuestion
How to obtain an absorption spectrum from a derivative spectrum?
I have a derivative spectrum represented with 128 points and need to integrate the spectrum to get absorption spectrum with 128 ...
9 years ago | 1 answer | 0
1
answerQuestion
How to plot like this?
I have 32 image matrices of size 128 x 128. I want to sum all the image matrices and display the final image and also when I cli...
9 years ago | 1 answer | 0
1
answerQuestion
How to resize this vector?
I have a vector A of 64 data points which corresponds to 15.66 cm projection. I need to get a vector B of projection data points...
10 years ago | 1 answer | 0
