Shape recognition of object is important research direction in pattern recognition, and is widely used in image analysis, machine vision and target discrimination.

物体的形状识别是模式识别的重要方向，广泛应用于图像分析、机器视觉和目标识别等领域。

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Shape recognition of object is one of the important directions in pattern recognition, and is widely used in image analysis, machine vision and target discrimination, etc.

物体的形状识别是模式识别的重要方向之一，广泛应用于图像分析、机器视觉和目标识别等领域。

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The existing local binary pattern (LBP) operators have several disadvantages such as rather long histograms, lower discrimination, and sensitivity to noise.

现有局部二元模式(LBP)算子存在不足：产生的直方图维数过长、鉴别力不高、对噪声反应敏感。

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