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基于Gabor特征和增强Fisher模型的目标检测和识别

, PP. 455-461

Keywords: Gabor滤波器,主成分分析(PCA)变换,增强Fisher线性判别模型(EFM),k均值算法,车辆检测与识别

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Abstract:

研究基于Gabor特征和增强Fisher线性判别模型(EFM)的目标检测和识别问题.用Gabor滤波器族对样本和场景图像进行分解,得到高维特征向量.然后利用主成分分析(PCA)将高维特征向量变换到低维空间,根据新的特征幅值检测场景图像中可能存在的车辆目标,并对检测到的目标用EFM进行特征分析后,与样本训练得到的特征进行相似性分类.实验证明本文算法在降低特征维数的同时,仍能较好地识别车辆目标.本文还对车辆个数和位置确定等问题也提出解决方法,并用实验对算法进行验证.

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