In performance and visual quality, the algorithm is better than the wavelet denoising based on discrete orthogonal wavelet transform and the conditional median value filtering method.
算法在性能指标和视觉质量上均优于基于离散正交小波变换的阈值去噪方法和传统的中值滤波法。
Experimental results show the watermark is invisible and robust to common image processing operations such as JPEG compression, cropping, resizing, median value filtering and noise perturbation.
实验证明，水印具有不可见性，对通常的图像处理，如JPEG压缩、剪切、缩放、中值滤波等以及噪声干扰都具有很强的鲁棒性。
After median filtering, image mode transforming, and "bad area" filtrating to images of soil layer, the authors extract the characteristic parameter of a image, that is gray-value, and c.
通过土壤表层图像的中值滤波、图像模式转换和“坏区”过滤，提取图像的特征参数——灰度值，并对土壤表层图像的灰度值与其含水率的关系进行了试验研究。
This paper presents a fast median filtering algorithm which analyzes neighborhoods to accelerate calculation of the median value of the set by using the mean value.
提出了一种利用均值加速的快速中值滤波算法，它能有效地降低中值滤波算法的时间复杂度，将计算效率和运算速度提高到传统快速滤波算法的两倍以上。
This paper presents a fast median filtering algorithm which analyzes neighborhoods to accelerate calculation of the median value of the set by using the mean value.
提出了一种利用均值加速的快速中值滤波算法，它能有效地降低中值滤波算法的时间复杂度，将计算效率和运算速度提高到传统快速滤波算法的两倍以上。
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