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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...
10 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...
10 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...
10 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 ...
10 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...
10 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
