conv2fft_reuse

Version 1.1.0.0 (9,36 KB) von Felipe G. Nievinski
Reuse intermediary results in multiple related convolutions with the same data but different kernels
0.0
(0)
930 Downloads
Aktualisiert 7. Mär 2011

Lizenz anzeigen

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.

Zitieren als

Felipe G. Nievinski (2024). conv2fft_reuse (https://www.mathworks.com/matlabcentral/fileexchange/30656-conv2fft_reuse), MATLAB Central File Exchange. Abgerufen .

Kompatibilität der MATLAB-Version
Erstellt mit R2009b
Kompatibel mit allen Versionen
Plattform-Kompatibilität
Windows macOS Linux
Quellenangaben

Inspiriert von: FFT-based convolution, testit

Community Treasure Hunt

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

Start Hunting!

conv2fft_reuse/

Version Veröffentlicht Versionshinweise
1.1.0.0

updated list of acknowledgements and list of incorporated submissions.
1.0.0.0