CC BY-NC 4.0

Atrium Godiva (spirulae-splat)

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•82 MB

•3mo ago

This scene is former Sandford Fleming Atrium (commonly known as "The Pit") at the University of Toronto. It was captured in January 2025, months before its renovation, with a Samsung S21 smartphone camera (~6400 frames, 1440x1080). Trained with spirulae-splat (https://github.com/harry7557558/spirulae-splat, commit aca1e3e2d60eae3c8ba867039f334c91f7e4095b). Training command: `PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True ns-train spirulae-preset-confined --data data/Atrium_Godiva/ --pipeline.datamanager.cache_images disk --pipeline.model.optimizer_offload sh --pipeline.datamanager.split_batch True --pipeline.model.mcmc-cap-max 6000000 --pipeline.model.sh_degree 2 --pipeline.model.depth_supervision_weight 0.01 --pipeline.model.alpha_reg_weight 0.0 --pipeline.model.alpha_loss_weight 0.0 --pipeline.model.alpha_loss_weight_under 0.0 --pipeline.model.erank_reg 0.0 --pipeline.model.erank_reg_s3 0.0 --pipeline.model.randomize_background False --pipeline.model.background_color black --pipeline.model.train_background_color False --pipeline.model.num_loss_scales 1 --max-num-iterations 120000 --pipeline.model.stop-refine-at 115000 nerfstudio-data --load_thumbnails False`. Depth and normal predicted by Metric3D v2 was used to supervise training. Entire training took around 23.5 hours on a laptop with RTX 5070 (8GB VRAM). Special thanks @launchedpix for alignment in Metashape. Dataset download link can be found in MrNeRF & Brush Discord group. Related splats (DM @spirulae on Discord if you want your splat to be removed from this list): spirulae-splat 8M SH2: https://superspl.at/scene/0b4360e8 LichtFeld IGS+ by @ichsan2895: https://superspl.at/scene/90fe4dc2 By @ichsan2895: https://superspl.at/scene/d88b3713 By @billybookcase (different capture of the same scene): https://superspl.at/scene/1544d34a

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2 Comments

harry75575582 months ago

Hi @stev0198, I used https://github.com/DavidGillsjo/VideoIMUCapture-Android , which captures video+IMU and has an option to disable optical image stabilization, although IMU data was unused.

stev01982 months ago

Hey @harry7557558. What app did you use on your S21 to capture this?

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