ResearchBenchmarksString-length recovery on Real-video pendulum L* = 0.45 m (test)Follow1.01Estimated LengthPAIG0.47960.61730.7550.8927May 27, 2026Evaluation ResultsMethodMethodLinksEstimated LengthRMSEPAIG2026.051.010.561NIRPI2026.050.770.435LPFV2026.050.510.061OURS2026.050.50.05