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3,526 results
  • Development and prospective in-patient proof-of-concept of a surface photogrammetry + CT-based volumetric motion model for lung radiotherapy. [Journal Article]
    Med Phys 2019Ranjbar M, Sabouri P, … Sawant A
  • CONCLUSIONS: We described the development and a proof-of-concept validation for a volumetric motion model that uses surface photogrammetry to correlate the time-varying thoraco-abdominal surface to the time-varying internal thoraco-abdominal volume. These early results indicate that the proposed approach can result in a marked improvement over 4DCT. While limited by the duration of the fluoroscopic acquisitions as well as the resolution of the acquired images, the DRF-based proof-of-concept technique developed here is model-agnostic, and therefore, has the potential to be used as an in-patient validation tool for other volumetric motion models.
  • Oxygen data assimilation for estimating micro-organism communities' parameters in river systems. [Journal Article]
    Water Res 2019; 165:115021Wang S, Flipo N, Romary T
  • The coupling of high frequency data of water quality with physically based models of river systems is of great interest for the management of urban socio-ecosystems. One approach to exploit high frequency data is data assimilation which has received an increasing attention in the field of hydrology, but not for water quality modeling so far. We present here a first implementation of a particle fi…
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