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- W4287777268 abstract "Gaussian filters have applications in a variety of areas in computer science, from computer vision to speech recognition. The collapsing sum is a matrix operator that was recently introduced to study Gaussian filters combinatorially. In this paper, we view the collapsing sum from a discrete tomographical perspective and examine the recoverability of its preimages as a matrix completion problem. Using bipartite graphs, we derive a necessary and sufficient condition for a partial matrix to be extended to a preimage of a given matrix." @default.
- W4287777268 created "2022-07-26" @default.
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- W4287777268 date "2020-05-18" @default.
- W4287777268 modified "2023-09-30" @default.
- W4287777268 title "An inverse problem for the collapsing sum" @default.
- W4287777268 doi "https://doi.org/10.48550/arxiv.2005.08902" @default.
- W4287777268 hasPublicationYear "2020" @default.
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