Top "Information-theory" questions

Information theory is a branch of applied mathematics, electrical engineering, and computer science involving the quantification of information.

What is the computer science definition of entropy?

I've recently started a course on data compression at my university. However, I find the use of the term "entropy" …

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How do I compute the approximate entropy of a bit string?

Is there a standard way to do this? Googling -- "approximate entropy" bits -- uncovers multiple academic papers but I'd …

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Optimal way to compute pairwise mutual information using numpy

For an m x n matrix, what's the optimal (fastest) way to compute the mutual information for all pairs of …

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Can the value of information gain be negative?

Is there a chance to get the value of information gain be negative?

machine-learning information-theory
Mutual information and joint entropy of two images - MATLAB

I have two black and white images and I need to calculate the mutual information. Image 1 = X Image 2 = Y I …

image matlab image-processing entropy information-theory
Fastest way to compute entropy of each numpy array row?

I have a array in size MxN and I like to compute the entropy value of each row. What would …

python performance numpy entropy information-theory
entropy for a gray image in opencv

I need code to find entropy of an image. for(int i=0;i<grey_image.rows;i++) { for(int …

c++ opencv information-theory
Shannon's Entropy calculation

I have a probability distribution that defines the probability of occurrence of n possible states. I would like to calculate …

matlab statistics probability information-theory
Any theoretical limit to compression?

Imagine that you had all the supercomputers in the world at your disposal for the next 10 years. Your task was …

information-theory data-compression compression
Calculation of mutual information in R

I am having problems interpreting the results of the mi.plugin() (or mi.empirical()) function from the entropy package. As …

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