Image Processing

Image Processing - Note When the filter is symmetric...

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21 Correlation versus Convolution - = + = = n n i i x f i h x f h x g ) ( ) ( ) ( ) ( 1 1 2 2 1 1 2 2 1 1 1 2 1 1 1 2 2 1 1 2 2 1 1 1 2 1 Correlation Convolution In image processing we use CORRELATION but (nearly) always call it CONVOLUTION!!!!!
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Unformatted text preview: Note: When the filter is symmetric: correlation = convolution! ∑-=-= = n n i i x f i h x f h x g ) ( ) ( ) ( * ) (...
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