{"paper":{"title":"EgoExo++: Integrating On-demand Exocentric Visuals with 2.5D Ground Surface Estimation for Interactive Teleoperation of Underwater ROVs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"EgoExo++ generates on-demand exocentric views plus 2.5D ground estimates from a single egocentric camera to improve underwater ROV teleoperation.","cross_cats":[],"primary_cat":"cs.RO","authors_text":"Adnan Abdullah, Ioannis Rekleitis, Md Jahidul Islam, Ruo Chen","submitted_at":"2024-06-30T22:53:44Z","abstract_excerpt":"Underwater ROVs (Remotely Operated Vehicles) are indispensable for subsea exploration and task execution, yet typical teleoperation engines based on egocentric (first-person) video feeds restrict human operators' field-of-view and limit precise maneuvering in complex, unstructured underwater environments. To address this, we first propose EgoExo, a geometry-driven solution integrated into a visual SLAM pipeline that synthesizes on-demand exocentric (third-person) views from egocentric camera feeds. We further propose EgoExo++, which extends beyond 2D exocentric view synthesis (EgoExo) to augme"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"EgoExo++ augments piecewise planar 2.5D ground surface estimation on-the-fly; its anchor-free aerial viewpoint supports ground-relative reasoning such as clearance and terrain-based navigation marker following, yielding 16% faster missions, 5-fold reduction in path deviation ratio, and fewer collision events (2 vs. 5) in user studies.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The monocular SLAM estimates remain sufficiently accurate and drift-free in low-light, turbid underwater conditions so that the closed-form view synthesis and planar surface fitting produce geometrically correct exocentric visuals without introducing new navigation errors (stated in the abstract as the basis for portability and robustness).","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"EgoExo++ synthesizes on-demand exocentric views plus 2.5D ground surface from egocentric monocular SLAM for underwater ROV teleoperation, reporting 16% faster missions, 5x lower path deviation, and fewer collisions in user studies.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"EgoExo++ generates on-demand exocentric views plus 2.5D ground estimates from a single egocentric camera to improve underwater ROV teleoperation.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"506e311352e8fc0b26b8af67d9f56caffb811263b1843bedd1b4b2ae57cba3a7"},"source":{"id":"2407.00848","kind":"arxiv","version":7},"verdict":{"id":"dacb78b9-c8e8-445e-87bd-f28879f5f8ca","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-23T23:04:21.849448Z","strongest_claim":"EgoExo++ augments piecewise planar 2.5D ground surface estimation on-the-fly; its anchor-free aerial viewpoint supports ground-relative reasoning such as clearance and terrain-based navigation marker following, yielding 16% faster missions, 5-fold reduction in path deviation ratio, and fewer collision events (2 vs. 5) in user studies.","one_line_summary":"EgoExo++ synthesizes on-demand exocentric views plus 2.5D ground surface from egocentric monocular SLAM for underwater ROV teleoperation, reporting 16% faster missions, 5x lower path deviation, and fewer collisions in user studies.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The monocular SLAM estimates remain sufficiently accurate and drift-free in low-light, turbid underwater conditions so that the closed-form view synthesis and planar surface fitting produce geometrically correct exocentric visuals without introducing new navigation errors (stated in the abstract as the basis for portability and robustness).","pith_extraction_headline":"EgoExo++ generates on-demand exocentric views plus 2.5D ground estimates from a single egocentric camera to improve underwater ROV teleoperation."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.00848/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":3,"snapshot_sha256":"b5f46338872c094afbb4b00c496fa6c909f11f2f8267271c13ac2275645c6619"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}