This paper proposes a new algorithm of FIM, which utilizes second-order and mixed-order difference schemes under the parallel computing structure, effectively improves the calculation accuracy of traveltimes, and basically maintains the original computational efficiency.
This paper proposes a new algorithm of FIM, which utilizes second-order and mixed-order difference schemes under the parallel computing structure, effectively ...
May 1, 2023 · This paper proposes a new algorithm of FIM, which utilizes second-order and mixed-order difference schemes under the parallel computing ...
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Oct 11, 2022 · The results show that FIM effectively improves the computational efficiency while maintaining high precision. Finally, through numerical ...
Dec 14, 2022 · The proposed framework maintains the O(M log M) complexity for both problems, while achieving higher accuracy than available state-of-the-art.
The Vidale finite-difference scheme and double-grid technology are adopted to replace the traditional first-order and second-order finite-difference schemes in ...
Missing: iterative | Show results with:iterative
May 23, 2024 · Shortest-path-aided fast-sweeping method is very easy to implement nearly without additional computational cost and memory consumption.
In this paper, we present imaging results for 3-D prestack Kirchhoff migration using traveltimes computed using the first-order and second-order FMM.
Sep 13, 2024 · This provides a strong basis for the fast iterative algorithm we proposed, where we use the Newton method to solve the qP- and qSV-wave slowness ...
Aug 13, 2021 · The fast sweeping method (FSM) has been widely used in computing the first-arrival traveltimes for anisotropic media because it does not need to ...