ArticleJournal of biomedical optics2019
Dual-grid mesh-based Monte Carlo algorithm for efficient photon transport simulations in complex three-dimensional media.
Article in Journal of biomedical optics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Accelerating mesh-based Monte Carlo simulations using contemporary graphics ray-tracing hardware.Journal of biomedical optics · 2026Article
- Accelerating mesh-based Monte Carlo simulations using contemporary graphics ray-tracing hardware.ArXiv · 2025Article
- Brain space image reconstruction of functional near-infrared spectroscopy using a Bayesian adaptive fused sparse overlapping group lasso model.Neurophotonics · 2023Article
- Influence of oversimplifying the head anatomy on cerebral blood flow measurements with diffuse correlation spectroscopy.Neurophotonics · 2023Article
- Modeling toolchain for realistic simulation of photoacoustic data acquisition.Journal of biomedical optics · 2022Article
- Age-related changes in diffuse optical tomography sensitivity profiles from childhood to adulthood.Journal of biomedical optics · 2022Article
- Optical bone densitometry robust to variation of soft tissue using machine learning techniques: validation by Monte Carlo simulation.Journal of biomedical optics · 2022Article
- MCX Cloud-a modern, scalable, high-performance and in-browser Monte Carlo simulation platform with cloud computing.Journal of biomedical optics · 2022Article
- devfOLD: a toolbox for designing age-specific fNIRS channel placement.Neurophotonics · 2021Article
- Investigating developmental changes in scalp-to-cortex correspondence using diffuse optical tomography sensitivity in infancy.Neurophotonics · 2021Article
- Light transport modeling in highly complex tissues using the implicit mesh-based Monte Carlo algorithm.Biomedical optics express · 2021Article
- A wireless, skin-interfaced biosensor for cerebral hemodynamic monitoring in pediatric care.Proceedings of the National Academy of Sciences of the United States of America · 2020Observational
- Hybrid mesh and voxel based Monte Carlo algorithm for accurate and efficient photon transport modeling in complex bio-tissues.Biomedical optics express · 2020Article
- Using anatomically defined regions-of-interest to adjust for head-size and probe alignment in functional near-infrared spectroscopy.Neurophotonics · 2020Article
- Modeling voxel-based Monte Carlo light transport with curved and oblique boundary surfaces.Journal of biomedical optics · 2020Article
- Transcranial photobiomodulation with near-infrared light from childhood to elderliness: simulation of dosimetry.Neurophotonics · 2020Article
- Improving model-based functional near-infrared spectroscopy analysis using mesh-based anatomical and light-transport models.Neurophotonics · 2020Article
- Graphics processing unit-accelerated mesh-based Monte Carlo photon transport simulations.Journal of biomedical optics · 2019Article
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Authors and funding
3 authors.
Funding
Abstract
The mesh-based Monte Carlo (MMC) method is an efficient algorithm to model light propagation inside tissues with complex boundaries, but choosing appropriate mesh density can be challenging. A fine mesh improves the spatial resolution of the output but requires more computation. We propose an improved MMC-dual-grid mesh-based Monte Carlo (DMMC)-to accelerate photon simulations using a coarsely tessellated tetrahedral mesh for ray-tracing computation and an independent voxelated grid for output data storage. The decoupling between ray-tracing and data storage grids allows us to simultaneously achieve faster simulations and improved output spatial accuracy. Furthermore, we developed an optimized ray-tracing technique to eliminate unnecessary ray-tetrahedron intersection tests in optically thick mesh elements. We validate the proposed algorithms using a complex heterogeneous domain and compare the solutions with those from MMC and voxel-based Monte Carlo. We found that DMMC with an unrefined constrained Delaunay tessellation of the boundary nodes yielded the highest speedup, ranging from 1.3 × to 2.9 × for various scattering settings, with nearly no loss in accuracy. In addition, the optimized ray-tracing technique offers excellent acceleration in high-scattering media, reducing the ray-tetrahedron test count by over 100-fold. Our DMMC software can be downloaded at http://mcx.space/mmc.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.