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Local binary pattern (LBP) is sensitive to noise. LBP projects local patch to eight-dimension vector by operating subtractions between pixel and its neighborhood. Two adjacent pixel values are generally very close, thus little noise can change their relative magnitude, leading to coding err. Using another projecting approach, random projection, as an alternate, we propose local binary pattern based...
Local Phase Quantization (LPQ) is a state-of-the-art blur-insensitive texture descriptor. The theoretical and empirical results show that the major energy point of the blurred images depends heavily on the blur type and level, but classical LPQ samples the local patch at predefined frequencies. In this paper, we extend LPQ to Adaptive LPQ (ALPQ) by adaptively setting the sampling frequency for various...
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