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针对实际处理单幅CO_2激光成像雷达图像的问题,提出了算法简单快速的有阈值限定的中值滤波和同态均值滤波组合的图像处理方法,其处理后的图像散斑指数为0.1489;研究比较了中值滤波、邻域均值滤波、有阈值限定的中值滤波和同态邻域均值滤波及后两种滤波组合对去除噪声清晰图像的影响。
Aiming at the problem of processing a single CO_2 laser imaging radar image, a simple and fast image processing method with threshold-limited median filter and homomorphic mean filter is proposed. The processed image speckle index is 0.1489. The median filter, neighborhood mean filter, thresholded median filter and homomorphic neighborhood mean filter, and the effect of the latter two filter combinations on removing noisy images.