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| = Random variables = | = Image statistics = |
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Image statistics
The measurements that form an image show statistical fluctuations. The image is characterised by a probability density function (PDF). The PDF f describes the probability of the occurrence of a discrete grey level q in the range of grey levels Q.
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Probability density functions and histograms
The PDF of an image can be calculated and displayed using the pylab.hist function or it can be calculated using the scipy.histogram function.
