3d Video: Zipling

Authors: A. Chen, B. Williams, C. Rodriguez Affiliation: Immersive Media Lab, Stanford University

Zipline 3D Video is the first method to combine sparse linear camera arrays with GPU-based plane-sweep fusion for live 3D video.

Until recently, creating volumetric video required a Hollywood budget (think The Matrix bullet time). However, the democratization of AI and depth sensors has made Zipling 3D Video accessible to prosumers. zipling 3d video

The reason Zipling 3D Video feels so revolutionary lies in its capture and playback process. It bypasses the limitations of traditional codecs like H.264 or HEVC, which are designed for flat frames.

Immersive telepresence demands 3D video that is (a) real-time, (b) viewpoint-flexible, and (c) visually convincing. Current methods fall into two camps: Authors: A

Zipline 3D Video bridges this gap. By placing cameras along a linear "zipline" above the action (e.g., a basketball court or stage), we create a controlled baseline that enables efficient plane-sweep stereo and depth fusion. The linear geometry reduces the correspondence problem to 1D search, drastically lowering compute while maintaining multi-view consistency.

Latency breakdown: Capture (8 ms) → Depth rectify (12 ms) → PSS (18 ms) → Render (5 ms) = 43 ms total. Zipline 3D Video bridges this gap

To create a Zipling file, you cannot use a standard dual-lens camera. Instead, you need a camera array. This typically involves 16 to 100 synchronized cameras arranged in a geometric pattern (often a dome or a horizontal line). Each camera captures the same subject from a slightly different angle.