~/talk

View-Dependent Video Textures for 360° Video

on YouTube 20m
Talkat UIST 2019 · 2019-10-20..10-23· [creative-coding, web-performance]

speakers

name:Sean Liu
links:none on file
name:Maneesh Agrawala
links:none on file
name:Stephen DiVerdi
links:none on file
name:Aaron Hertzmann
links:none on file

resources

video:https://youtu.be/O_sjsowuS8c
slides:none on file

summary

A system implements gated clips that hold playback at a gate time until a filmmaker-defined gaze condition (looking at an ROI) is met, using view-dependent video textures that duplicate timelines per discretized view and compute perceptual costs to find seamless backward loops. The view×frame grid becomes a graph and the algorithm uses graph cut to replace forward edges with low-cost backward arcs. Preprocessing for a 7 s 30 fps clip takes ~3.3 hours, graph cut ~0.5 s, and 9 of 11 participants preferred gated clips.

AI-written summary · about

chapters (5)

  1. 0:00Introduction
  2. 2:25Video Textures
  3. 6:01Optimization
  4. 8:36Graph Cut
  5. 18:03Questions

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