Plausible Frames Can Make Impossible Motion
A generated clip may look sharp frame by frame while an object accelerates upward under gravity, teleports, disappears, or ignores a declared collision.
physicsvideo evaluates tracked trajectories with explicit tests for acceleration, displacement jumps, visibility gaps, and velocity reversal, then renders the scenarios to real MP4 files.
The Demo
Five scenarios include one clean control and four targeted faults. The benchmark detects all four planted failures and produces zero false positives, for 100% fixture accuracy.
This tests supplied tracks and declared events. General videos require reliable tracking, camera-motion compensation, depth, contact inference, and uncertainty-aware thresholds.
Research Basis
Recent benchmarks treat physical commonsense and temporal consistency as distinct requirements for modern video generation systems.
Read the PhyCoBench.