目标定位仿生复眼视觉系统成像位置计算

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用于目标定位的仿生复眼视觉系统,目标成像位置的精确计算是提高系统定位精度的关键。文章从像斑能量分布的角度出发,介绍了一种较为适于复眼成像位置计算的方法:能量对称法。该方法以主光线在像斑上的坐标定义像斑重心,以主光线像点是像斑能量对称中心的原理来获得像斑重心(即像斑位置)。文中以仿生复眼视觉系统的简化模型为研究对象,应用能量对称法对理论模拟像斑和实验像斑进行了实际计算,计算表明理论像斑位置可以通过能量对称法准确得到;利用实验像斑位置计算入射光线角度也达到了较为理想的计算精度。文中采用传统的灰度重心法同
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