conv2fft_reuse

Reuse intermediary results in multiple related convolutions with the same data but different kernels

ダウンロード: 925

更新 2011/3/7

ライセンスの表示

Sometimes you have to perform multiple related convolutions, using the same data but different kernels. This function allows you to reuse intermediary results. When computing the convolution via multiplication in the frequency domain, we reuse the FFT of the data, and need to compute only the FFT of the kernel and the IFFT of their product. So this helps if the kernels are small and many and the data is large and unique. Matrix (not just vector) input is supported. Calling syntax is identical to Matlab's own conv2/filter2. If you need an FFT-based implementation of convolution without reuse, I'd recommend submission number 24504. Run test('filter2fft') to check your installation.

引用

Felipe G. Nievinski (2023). conv2fft_reuse (https://www.mathworks.com/matlabcentral/fileexchange/30656-conv2fft_reuse), MATLAB Central File Exchange. 取得済み .

MATLAB リリースの互換性
作成: R2009b
すべてのリリースと互換性あり
プラットフォームの互換性
Windows macOS Linux
謝辞

ヒントを得たファイル: FFT-based convolution, testit

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!
バージョン 公開済み リリース ノート
1.1.0.0

updated list of acknowledgements and list of incorporated submissions.

1.0.0.0