imfilter(Gau{N-1},h,'conv','same','replicate')
时间: 2024-01-26 14:01:46 浏览: 91
matlab中meshgrid()、fspecial()以及 imfilter()函数C++实现
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This is a MATLAB code that applies a Gaussian filter to an image or a signal.
- "Gau{N-1}" refers to a pre-calculated Gaussian kernel with a standard deviation of N-1. This kernel is used as the input to the filter.
- "h" is the filter kernel that will be convolved with the Gaussian kernel. This kernel can be any filter, such as a high-pass or a low-pass filter.
- 'conv' tells MATLAB to perform convolution between the two kernels.
- 'same' specifies that the output of the convolution has the same size as the input.
- 'replicate' tells MATLAB to replicate the border pixels of the input image when performing the convolution. This avoids edge artifacts that can occur when using a filter with a kernel larger than the input.
Overall, the code applies a filter to an image or signal using a Gaussian kernel, while also taking care to avoid edge artifacts.
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