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Voxel Video Compression Test Suite
Ten voxel video sequences at several resolutions, for measuring volumetric video codecs. Every frame is a NanoVDB file.
The suite mixes animated content with synthetic edge cases, so a codec can be checked both for typical compression ratio and for its behavior on degenerate input.
Sequences
| Sequence | Frames | Resolutions |
|---|---|---|
BirdOrange |
128 (122 at 512) | 128, 256, 512 |
Breakdance1990 |
106 | 128, 256, 512 |
Chapa-Giratoria |
91 | 128, 256, 512 |
Jumping |
36 | 128, 256, 512 |
Rumba Dancing |
72 | 128, 256, 512 |
car |
73 | 64, 128, 256, 512 |
centered_static_cube |
30 | 64, 128, 256, 512 |
empty |
30 | 64, 128, 256, 512 |
filled |
30 | 64, 128, 256, 512 |
random_noise |
30 | 64, 128 |
The last four are synthetic stress cases, named for what they contain.
Layout
<sequence>/<resolution>/frame_00000.nvdb
<sequence>/<resolution>_nvdb/frame_00000.nvdb # BirdOrange, Breakdance1990, Chapa-Giratoria, Jumping, Rumba Dancing
Frames are numbered from frame_00000 in playback order.
Loading
from spatialstudio import splv
frame = splv.Frame.load_from_nvdb(
"car/128/frame_00000.nvdb", (0, 0, 0), (127, 127, 127)
)
print(frame.get_num_voxels())
To encode a sequence with True3D's .splv codec, pass the frames to splv.Encoder from spatialstudio.
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