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For an image, texture unit (TU) is a small complete unit which characterizes the local texture of a given pixel and its neighborhood. Recently, TU-based approaches have been widely used in face recognition. This paper proposes a novel face representation and recognition approach based on TU. We make three major contributions: (1) we introduce a novel TU feature, Local Gabor Quarternary Pattern (LGQP),...
In this paper a novel ranking-based face recognition (FR) scheme is proposed. Compared with classical two-class (intra/extra person) and multi-class (each person a single class) schemes, the ranking-based method only takes into account the most relevant information in training data to find a solution, and therefore is more consistent with the objective of FR. In our approach, given a feature set and...
This paper studies face recognition and person-specific face image retrieval in unconstrained environments. The proposed method consists of two parts: offline and online learning. In offline stage, we take advantage of both global and local features in a Bayesian framework for generic face recognition. In online stage, the offline learned classifier is adapted according to the query images of a given...
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