Intensity Histogram of Continuous Data
The idea of an intensity histogram can be generalized to continuous data, say audio signals represented by real functions or images represented by functions with two-dimensional domain.
Let (see Lebesgue space), then the cumulative histogram operator can be defined by:
- .
is the Lebesgue measure of sets. in turn is a real function. The (non-cumulative) histogram is defined as its derivative.
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Read more about this topic: Color Histogram
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