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# BlurOperation | ||
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* Simple | ||
> 简单模糊(平均值),获取中心像素周围的像素区域,将所有这些像素平均在一起,然后用平均值替换中心像素。 | ||
* Gaussian | ||
> 加权高斯模糊,使用加权平均值,其中更接近中心像素的邻域像素对平均值贡献更多的 *权重*。高斯平滑用于去除近似服从高斯分布的噪声。与简单模糊相比,基于此权重,我们将能够保留图像中更多的边缘。使用此方法,图像不会那么模糊,但会更加 *自然模糊*。 | ||
* Median | ||
> 中值滤波,此方法在消除椒盐噪声时最为有效。这种类型的噪音正如它听起来的那样:想象一下拍一张照片,把它放在餐桌上,然后在上面撒上盐和胡椒粉。使用中值模糊方法,您可以从图像中去除盐和胡椒。 | ||
* Bilateral | ||
> 双边模糊,模糊方法的目的是减少图像中的噪声和细节。然而,作为一个副作用,我们往往会丢失图像的边缘。为了在保持边缘的同时减少噪音,我们可以使用双边模糊。这种方法的最大缺点是它比平均、高斯和中值模糊方法慢得多。 |