Discussion
Local binary pattern extracts which of the following features from the face image ?
Answer: C
Local binary pattern extracts texture features.
The local binary pattern (LBP) operator compares each pixel with its neighbours and records whether each neighbour is brighter or darker, giving a binary code. Histograms of these codes over regions of the face describe local texture, such as the patterns of skin, wrinkles and edges, and are widely used in face recognition because they tolerate changes in lighting.
LBP works on grey-level intensity, so it does not capture colour. It does not model the overall shape of the face, and it does not locate anthropometric landmarks such as the eyes and nose.
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