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Local Binary Pattern (LBP) in short
What is LBP?
The local binary pattern (LBP) texture analysis operator is defined as a gray-scale invariant texture measure, derived from a general definition of texture in a local neighborhood. The LBP operator can be seen as a unifying approach to the traditionally divergent statistical and structural models of texture analysis.
The basic idea
LBP is a binary code that describes the local texture pattern. It is built by thresholding a neighbourhood by the gray value of its center. The idea is illustrated in the figure below. For more information, see tutorial.
Through its recent extensions, the LBP operator has been made into a really powerful measure of image texture, showing excellent results in terms of accuracy and computational complexity in many empirical studies.