jon

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Cooley-Tukey FFT: You don't have to zeropad to a power of 2?
Please clarify!

11年以上前 | 0

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Cooley-Tukey FFT: You don't have to zeropad to a power of 2?
Someone wrote "The algorithm that Cooley and Tukey presented in their classic paper (Math. Comp. 19 (1965), 297-301. http://dx.d...

11年以上前 | 2 件の回答 | 1

2

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A 3x3 image kernel takes 9 multiplications and 8 or 9 additions for each pixel?
I doubt because you have 9 multiplications and you are adding 9 numberse together, when using a 3x3 convolution matrix. Addin...

11年以上前 | 1 件の回答 | 0

1

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differences between all the FFTs?
Wikipedia lists a lot of FFT algorithms: Cooley–Tukey FFT algorithm, Prime-factor FFT algorithm, Bruun's FFT algorithm, Rad...

11年以上前 | 0 件の回答 | 0

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Why do we need to flip the kernel in 2D convolution?
Why do we need to flip the kernel in 2D convolution in the first place? What's the benefit of this? So, why can't we leave it un...

11年以上前 | 2 件の回答 | 0

2

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