Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Add partial Fourier transforms #23

Open
MikaelSlevinsky opened this issue Jul 19, 2017 · 2 comments
Open

Add partial Fourier transforms #23

MikaelSlevinsky opened this issue Jul 19, 2017 · 2 comments

Comments

@MikaelSlevinsky
Copy link
Member

Some seismic applications make use of partial sums involving a signal and the DFT matrix with variable summation limits. One approach decomposes the partial DFT hierarchically into rectangular subblocks that are related to fast convolution. This might require a HierarchicalDFTMatrix
@ajt60gaibb
Copy link
Collaborator

ajt60gaibb commented Jul 19, 2017 •
edited
Loading

Where can I find more details on the exact transform that is used here? Is it just an NDFT with deleted rows?

@MikaelSlevinsky
Copy link
Member Author

I just saw a presentation by John Bowman at CAIMS. Here's the related pre-print

https://www.math.ualberta.ca/~bowman/publications/partialfft.pdf

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
2 participants
@ajt60gaibb @MikaelSlevinsky