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4D Live Stream

1B voxels decoding and rendering in Chrome, 1080p on an M4 MacBook.
A depth sample from the camera used.

A 4D livestream rendered from voxels, watchable from any angle. Four depth cameras surround a subject, their views are solved and synced into one coherent scene, and frames are voxelized, encoded, and streamed out at 30 fps while the shoot is still running.

Highlights

  • All four cameras fire from a shared hardware trigger line, not software timestamps.
  • Each camera's position and orientation is solved from a shared calibration pattern, not measured by hand.
  • Capture, voxelization, and encoding run as concurrent stages, so a slow encode doesn't stall capture.
  • Chunks decode and render as they arrive, so viewers don't wait for the recording to finish.