LumbarSR Dataset Pairs Clinical CT with Micro-CT of 30 Human Lumbar Vertebrae for Super-Resolution

A new dataset of 30 human lumbar vertebrae registers clinical CT with micro-CT (105 μm) to help develop super-resolution methods for visualizing trabecular bone microarchitecture, invisible on routine CT.

• Dataset: 30 dry lumbar vertebral specimens, paired micro-CT (105 μm) and clinical CT (8 acquisition configurations: 2 in-plane resolutions, 2 slice thicknesses, 2 kernels).
• Baseline super-resolution benchmarks using deep learning and interpolation are provided, along with image quality metrics and trabecular morphometry.
• Limitation: Specimens are dry teaching specimens without clinical histories, limiting generalizability to in vivo tissue with degenerative changes.

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