基于正交投影宽度谱的带状目标检测

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针对带状目标在行列上具有规则的几何特性,提出了一种基于正交投影宽度谱的带状目标检测方法,将边缘映射图在笛卡儿正交方向上投影,建立边缘点对的投影宽度谱。采用D-S证据理论融合边缘点对的亮度、梯度方向、亮度方差和宽度特征,抑制背景边缘点对的干扰,使带状目标的宽度谱呈现为突峰。为消除噪声点对的影响,利用距离约束的序贯最小二乘拟合方法定位边缘映射图中的带状目标。实验结果表明:该算法识别精度高、实时性好,具有很好的鲁棒性。
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