Gradient-Based Trajectory Optimisation over Continuous Poses for Sparse-View Cone-Beam CT
Trajectory optimisation for cone-beam computed tomography (CT) determines which information sparse-view scans acquire.
ProofPaper ↗
Key points
- We make every source pose an individual continuous variable and move all poses jointly by gradient ascent on the scanner's kinematic manifold.
- The objective combines soft-Tuy plane coverage, continuous View Covariance Loss, and an analytic attenuation-aware ray-bundle penalty.
- Sparseprescan planning benefits from matching prescan and planned acquisition manifolds.
- Continuous pose optimisation incorporates attenuation and scanner constraints directly into sparse-view acquisition design.
Sources (1)
- [1]Gradient-Based Trajectory Optimisation over Continuous Poses for Sparse-View Cone-Beam CTarXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 7, 07:23 AM
Trajectory optimisation for cone-beam computed tomography (CT) determines which information sparse-view scans acquire.
We make every source pose an individual continuous variable and move all poses jointly by gradient ascent on the scanner's kinematic manifold.
Extractive summary: sentences quoted from the sources.