matlab噪声函数
时间: 2023-10-22 18:08:12 浏览: 163
Matlab中的噪声函数是imnoise()函数。该函数用于向图像中添加不同类型的噪声。根据参数的不同,可以添加泊松噪声、高斯噪声或乘性噪声。引用中提到的参数'poisson'用于生成泊松噪声,而不是将人工噪声添加到图像中。引用中提到的参数'gaussian'可以将均值为m,方差为var的高斯噪声添加到图像中,默认情况下,均值为0,方差为0.01。引用中提到的参数'speckle'可以将乘性噪声添加到图像中,其中乘性噪声是由均值为0,方差为var的均匀分布的随机噪声生成的。var的默认值是0.04。因此,根据不同的参数选择,可以使用imnoise()函数在Matlab中添加不同类型的噪声。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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