| --- |
| pretty_name: Voxel Video Compression Test Suite |
| tags: |
| - 3d |
| - voxel |
| - nanovdb |
| - volumetric-video |
| - compression |
| - benchmark |
| viewer: false |
| --- |
| |
| # 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 |
|
|
| ```python |
| 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`](https://pypi.org/project/spatialstudio/). |
|
|
