2️⃣ Convolution (2D)
Convolution with a filter
Image , to which a filter kernel gets applied by a convolution
Efficient filtering
Convolution can also be performed like so:
- Transform and to Fourier domain: ,
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Dec 18, 2024, 1 min read
f(x,y)∗h(x,y)=∫−∞∞∫−∞∞f(x′,y′)h(x−x′,y−y′)dx′dy′
Image f, to which a filter kernel k gets applied by a convolution
H{f}(x,y)=f∗k=∑i=−2wk2wk∑i=−2hk2hkf(x−i,y−j)k(i,j)
Convolution can also be performed like so: