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ISAR像目标识别中的预处理及特征提取 被引量:1

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摘要 目标逆合成孔径雷达(inverse synthetic aperture radar,ISAR)像通常受多种噪声的影响,这些噪声影响了ISAR图像的质量,使得对图像的理解以及特征提取变得困难。提高图像质量,减少噪声的干扰成为识别过程中重要的步骤。首先根据所得ISAR成像分别对图像进行横条纹干扰抑制和去除噪声干扰然后提取出清晰的目标像。对ISAR像进行边缘提取,计算边缘图像上点的马氏距离,得到马氏距离阵列,并作为目标特征向量。实验表明,对目标进行预处理有效地提高了ISAR特征的稳定性,有利于后续的目标特征提取与识别。
作者 章婧
出处 《中国新通信》 2013年第2期49-50,共2页 China New Telecommunications
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参考文献6

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