Egocentric Multi-View Benchmark Task Taxonomy

Results Research Questions Data
  • Egocentric Multi-View Spatial Benchmark
    • dynamic
      • active
        • execution
          • Manipulation
            • Task 2 · Adjust Bottle
              Datasets: RoboTwin 2.0
            • Task 34 · Place A2B
              Datasets: RoboTwin 2.0 (https://robotwin-platform.github.io/)
            • Task 35 · Place Shoe
              Datasets: RoboTwin 2.0 (https://robotwin-platform.github.io/)
            • Task 36 · Place Object Basket
              Datasets: RoboTwin 2.0 (https://robotwin-platform.github.io/)
          • Viewpoint Control
            • Task 33 · Viewpoint Control
              Datasets: Habitat-Sim + HM3D (https://aihabitat.org/datasets/hm3d/)
      • passive
        • memory
          • Count Memory
            • Task 26 · Revisit Counting
              Datasets: Habitat-Sim + HM3D (https://aihabitat.org/datasets/hm3d/)
            • Task 8 · Cross-Temporal Object Counting
              Datasets: RoboTwin 2.0 (https://robotwin-platform.github.io/) | Habitat + HM3D (https://aihabitat.org/datasets/hm3d/)
        • perception
          • Metric Estimation
            • Task 29 · Travelled Path Length
              Datasets: HOT3D (https://facebookresearch.github.io/hot3d/)
          • Motion Tracking
            • Task 1 · Cross-Camera Temporal Handoff
              Datasets: nuScenes
            • Task 12 · Camera Movement Direction
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes) | HoloSet (https://zenodo.org/records/7200131)
            • Task 18 · Object Displacement
              Datasets: HOT3D (https://facebookresearch.github.io/hot3d/) | Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes)
            • Task 20 · Object Rotation Direction
              Datasets: HOT3D (https://facebookresearch.github.io/hot3d/)
            • Task 22 · Point Tracking
              Datasets: nuScenes (https://www.nuscenes.org/nuscenes) | Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)
            • Task 6 · Absolute Speed
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes) | HoloSet (https://zenodo.org/records/7200131)
            • Task 7 · Acceleration
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes) | HoloSet (https://zenodo.org/records/7200131)
          • Pose Estimation
            • Task 27 · Rotation Angle
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K) | HoloSet (https://zenodo.org/records/7200131)
        • reasoning
          • Cross-view Correspondence
            • Task 13 · Target-View Matching
              Datasets: Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)
          • Occlusion Inference
            • Task 9 · Behind-Camera Inference
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | nuScenes (https://www.nuscenes.org/nuscenes)
          • Physical Reasoning
            • Task 17 · Ego Motion Reasoning
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HoloSet (https://zenodo.org/records/7200131) | nuScenes (https://www.nuscenes.org/nuscenes)
            • Task 19 · Object Motion Reasoning
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | nuScenes (https://www.nuscenes.org/nuscenes)
    • static
      • passive
        • perception
          • Counting
            • Task 14 · Counting
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Assembly101 (https://assembly-101.github.io/) | JRDB (https://jrdb.erc.monash.edu.au/dataset/)
          • Grounding
            • Task 28 · Spatial Localization
              Datasets: HM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)
          • Metric Estimation
            • Task 23 · Relative Depth
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)
            • Task 25 · Relative Distance
              Datasets: HM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)
            • Task 3 · Absolute Depth
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)
            • Task 5 · Absolute Size
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)
          • Pose Estimation
            • Task 4 · Absolute Direction
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K) | HoloSet (https://zenodo.org/records/7200131)
        • planning
          • View Planning
            • Task 10 · Best-View Selection
              Datasets: nuPlan (https://www.nuscenes.org/nuplan) | nuScenes (https://www.nuscenes.org/nuscenes) | Assembly101 (https://assembly-101.github.io/)
        • reasoning
          • Consistency Reasoning
            • Task 15 · Depth Consistency
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)
          • Occlusion Inference
            • Task 16 · Depth Ordering
              Datasets: Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | nuScenes (https://www.nuscenes.org/nuscenes)
          • Perspective Transformation
            • Task 32 · Viewpoint Apparent Size
              Datasets: HM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)
          • Physical Reasoning
            • Task 21 · Physical Contact
              Datasets: RoboTwin CAD assets in new SAPIEN scenes (https://robotwin-platform.github.io/)
          • Spatial Relation Inference
            • Task 11 · Betweenness Relationship
              Datasets: HM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)
            • Task 24 · Relative Direction
              Datasets: HM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)
            • Task 30 · Vertical Spatial Relationships
              Datasets: HM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)
            • Task 31 · Vertical World Position
              Datasets: HM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)

Approved tasks

IDSource normalized taskVerdictProposed taskTarget pathInput formExample model inputExample prompt / instructionMulti-view roleConstructionCandidate datasetsCurrent task linkLimitation
Task 1Project benchmark Task 1highCross-Camera Temporal Handoffdynamic > passive > perception > Motion Trackingsynchronized egocentric multi-view videoSynchronized surround-camera video in which one tracked object leaves one camera and later appears in another.Continue locating the same marked object after it crosses from one camera view into another.requiredexisting benchmark protocolnuScenes
Task 2RoboTwin 2.0: Adjust BottlehighAdjust Bottledynamic > active > execution > Manipulationclosed-loop separated egocentric camera streams + robot stateSynchronized head and wrist camera observations updated after every robot action.Pick up the bottle and move it to the outer side of the table while keeping it lifted.requiredexisting benchmark protocolRoboTwin 2.0
Task 34RoboTwin 2.0: Place A2B Left / Place A2B RighthighPlace A2Bdynamic > active > execution > Manipulationclosed-loop separated head/left-wrist/right-wrist RGB + robot state + successful demonstrationThree simultaneous initial RGB observations; subsequent observations depend on the model's joint actions.Place object A on the requested side of object B, then release it.beneficialexisting benchmark protocolRoboTwin 2.0 (https://robotwin-platform.github.io/)
Task 35RoboTwin 2.0: Place ShoehighPlace Shoedynamic > active > execution > Manipulationclosed-loop separated head/left-wrist/right-wrist RGB + robot state + successful demonstrationThree simultaneous initial RGB observations; subsequent observations depend on the model's joint actions.Place the shoe on the mat with the specified orientation, then release it.beneficialexisting benchmark protocolRoboTwin 2.0 (https://robotwin-platform.github.io/)
Task 36RoboTwin 2.0: Place Object BaskethighPlace Object Basketdynamic > active > execution > Manipulationclosed-loop separated head/left-wrist/right-wrist RGB + robot state + successful demonstrationThree simultaneous initial RGB observations; subsequent observations depend on the model's joint actions.Put the object in the basket, then lift the basket with the other arm while keeping the object inside.beneficialexisting benchmark protocolRoboTwin 2.0 (https://robotwin-platform.github.io/)
Task 3Absolute DepthhighAbsolute Depthstatic > passive > perception > Metric Estimationsynchronized egocentric multi-view imagesAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM) at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.What is the optical-axis depth of the red-marked object? Return one value in metres.beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)Ground truth in Aria Digital Twin, HOT3D supports automatic generation, but samples still need single-view-necessity and wording review.
Task 4Absolute DirectionhighAbsolute Directionstatic > passive > perception > Pose Estimationsynchronized egocentric multi-view imagesAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM) at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.In which surround sector is the marked object: front, front-left, front-right, back, back-left or back-right?beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K) | HoloSet (https://zenodo.org/records/7200131)Ground truth in Aria Digital Twin, Ego-1K supports automatic generation, but samples still need single-view-necessity and wording review.
Task 5Absolute SizehighAbsolute Sizestatic > passive > perception > Metric Estimationsynchronized egocentric multi-view imagesAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM) at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.Estimate the marked object's length, width and height in metres.beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)Ground truth in Aria Digital Twin, HOT3D supports automatic generation, but samples still need single-view-necessity and wording review.
Task 6Absolute SpeedhighAbsolute Speeddynamic > passive > perception > Motion Trackingsynchronized egocentric multi-view videoAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM), sampled over one 8-second interval at 1 fps. Camera names and shared timestamps are shown; a queried target is marked only when first introduced.What is the marked object's speed at the final timestamp? Return metres per second.beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes) | HoloSet (https://zenodo.org/records/7200131)Ground truth in Aria Digital Twin, nuScenes supports automatic generation, but samples still need single-view-necessity and wording review.
Task 7AccelerationhighAccelerationdynamic > passive > perception > Motion Trackingsynchronized egocentric multi-view videoAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM), sampled over one 8-second interval at 1 fps. Camera names and shared timestamps are shown; a queried target is marked only when first introduced.Across the clip, is the marked vehicle speeding up, slowing down or moving at approximately constant speed?beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes) | HoloSet (https://zenodo.org/records/7200131)Ground truth in Aria Digital Twin, nuScenes supports automatic generation, but samples still need single-view-necessity and wording review.
Task 8Active ExplorationhighCross-Temporal Object Countingdynamic > passive > memory > Count Memoryclosed-loop separated egocentric camera streams + agent stateRoboTwin 2.0: separated head, left-wrist and right-wrist RGB streams plus robot proprioception. The streams remain separated and update after every predicted action; no simulator ground truth is exposed to the model.Select the next camera or viewpoint movement that will reveal whether the hidden object is behind the left or right partition.requiredsimulator episode + state/success oracleRoboTwin 2.0 (https://robotwin-platform.github.io/) | Habitat + HM3D (https://aihabitat.org/datasets/hm3d/)Automatic scoring is available mainly in simulation; real multi-camera active datasets remain limited.
Task 9Behind-Camera InferencehighBehind-Camera Inferencedynamic > passive > reasoning > Occlusion Inferencesynchronized egocentric multi-view videoAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM), sampled over one 8-second interval at 1 fps. Camera names and shared timestamps are shown; a queried target is marked only when first introduced.Which marked object is currently behind the wearer? Answer Red or Blue.requireddeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | nuScenes (https://www.nuscenes.org/nuscenes)Ground truth in Aria Digital Twin, HOT3D supports automatic generation, but samples still need single-view-necessity and wording review.
Task 10Best-View SelectionhighBest-View Selectionstatic > passive > planning > View Planningsynchronized egocentric multi-view imagesnuPlan: eight synchronized outward RGB cameras from one vehicle at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.Which camera gives the least occluded view of the marked object? Answer with one camera name.requiredderived labels with manual geometric validationnuPlan (https://www.nuscenes.org/nuplan) | nuScenes (https://www.nuscenes.org/nuscenes) | Assembly101 (https://assembly-101.github.io/)Ground truth in nuPlan, nuScenes supports automatic generation, but samples still need single-view-necessity and wording review.
Task 11Betweenness RelationshiphighBetweenness Relationshipstatic > passive > reasoning > Spatial Relation Inferencesynchronized egocentric multi-view imagesHM3D annotated v0.2; image; synchronized cameras from one agent; label annotations are hidden.Viewed from above, is object B approximately between object A and object C? Judge the centres on the horizontal ground plane, not their positions in the mosaic. Answer Yes or No.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)Auto-generated; human feasibility review required. Labels use annotated OBB centres; visible surfaces are not necessarily the centre.
Task 12Camera Movement DirectionhighCamera Movement Directiondynamic > passive > perception > Motion Trackingsynchronized egocentric multi-view videoAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM), sampled over one 8-second interval at 1 fps. Camera names and shared timestamps are shown; a queried target is marked only when first introduced.Did the wearer move mainly forward, backward, left or right during the clip?beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes) | HoloSet (https://zenodo.org/records/7200131)Ground truth in Aria Digital Twin, nuScenes supports automatic generation, but samples still need single-view-necessity and wording review.
Task 13Camera Orientation EstimationhighTarget-View Matchingdynamic > passive > reasoning > Cross-view Correspondencesynchronized egocentric multi-view video + camera geometry + rig photographEgo-1K: nine reference cameras in a 3x3 mosaic, three held-out candidate videos A/B/C, calibrated rig geometry and the actual rig photograph; eight frames per stream at 4 fps.Which candidate video, A, B, or C, was recorded at position T? Output exactly one letter: A, B, or C.beneficial100 generated target-view matching questions; geometry-v2; human review pendingEgo-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)Task 13: Target-View Matching (replaces the legacy camera-orientation question)The source-normalized-task field preserves the legacy survey audit lineage; it is not the definition of the revised task. This is a project-designed QA adaptation on Ego-1K, not an original Ego-1K benchmark task. Generated candidates still require human review.
Task 14CountinghighCountingstatic > passive > perception > Countingsynchronized egocentric multi-view imagesAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM) at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.How many visible mugs are present across all cameras after removing duplicate views of the same mug?diagnostic controlsource annotation + cross-view shortcut filteringAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Assembly101 (https://assembly-101.github.io/) | JRDB (https://jrdb.erc.monash.edu.au/dataset/)Ground truth in Aria Digital Twin, Assembly101 supports automatic generation, but samples still need single-view-necessity and wording review.
Task 15Depth ConsistencyhighDepth Consistencystatic > passive > reasoning > Consistency Reasoningsynchronized egocentric multi-view imagesAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM) at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.Are the two marked observations assigned a mutually consistent 3D depth? Answer Consistent or Inconsistent.beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)Ground truth in Aria Digital Twin, HOT3D supports automatic generation, but samples still need single-view-necessity and wording review.
Task 16Depth OrderinghighDepth Orderingstatic > passive > reasoning > Occlusion Inferencesynchronized egocentric multi-view imagesAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM) at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.Which marked object is closer to the wearer, Red or Blue?requireddeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | nuScenes (https://www.nuscenes.org/nuscenes)Ground truth in Aria Digital Twin, HOT3D supports automatic generation, but samples still need single-view-necessity and wording review.
Task 17Ego Motion ReasoninghighEgo Motion Reasoningdynamic > passive > reasoning > Physical Reasoningsynchronized egocentric multi-view videoAria Digital Twin: synchronized RGB, left-SLAM and right-SLAM video with camera labels and shared timestamps. A target object is marked at the first timestamp.Did the marked object move in the world, or did only the wearer move? Answer Object moved or Wearer moved.beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HoloSet (https://zenodo.org/records/7200131) | nuScenes (https://www.nuscenes.org/nuscenes)Task 3: Object Motion vs Wearer MotionGround truth in Aria Digital Twin, HoloSet supports automatic generation, but samples still need single-view-necessity and wording review.
Task 18Object DisplacementhighObject Displacementdynamic > passive > perception > Motion Trackingsynchronized egocentric multi-view videoHOT3D: synchronized RGB, left-SLAM and right-SLAM video sampled at 1 fps over the same interval. The target is marked once at the beginning.From the first to the final timestamp, did the marked object move closer to or farther from the wearer?beneficialdeterministic derivation from geometry/pose/track annotationsHOT3D (https://facebookresearch.github.io/hot3d/) | Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | nuScenes (https://www.nuscenes.org/nuscenes)Task 2: Object Distance ChangeGround truth in HOT3D, Aria Digital Twin supports automatic generation, but samples still need single-view-necessity and wording review.
Task 19Object Motion ReasoninghighObject Motion Reasoningdynamic > passive > reasoning > Physical Reasoningsynchronized egocentric multi-view videoAria Digital Twin: synchronized RGB, left-SLAM and right-SLAM video with camera labels and shared timestamps. A target object is marked at the first timestamp.Is the apparent image motion caused mainly by the marked object or by wearer motion? Answer Object or Wearer.beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | nuScenes (https://www.nuscenes.org/nuscenes)Task 3: Object Motion vs Wearer MotionGround truth in Aria Digital Twin, HOT3D supports automatic generation, but samples still need single-view-necessity and wording review.
Task 20Object Rotation DirectionhighObject Rotation Directiondynamic > passive > perception > Motion Trackingsynchronized egocentric multi-view videoHOT3D; video; synchronized cameras from one agent; label annotations are hidden.Viewed from above in the gravity-aligned world frame, what is the net rotation direction of the initially red-boxed object from first to last timestamp? Compensate for wearer rotation. Answer Clockwise or Counterclockwise.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHOT3D (https://facebookresearch.github.io/hot3d/)Existing imagery is reused, but this is a new question and no model score is inherited. Multi-view necessity and visual solvability require human review.
Task 21Physical ContacthighPhysical Contactstatic > passive > reasoning > Physical Reasoningsynchronized egocentric multi-view imagesRoboTwin CAD assets in new SAPIEN scenes; image; synchronized cameras from one agent; label annotations are hidden.Are object A and object B physically touching at this synchronized instant? Judge 3D contact, not overlap in a single image. Answer Yes or No.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingRoboTwin CAD assets in new SAPIEN scenes (https://robotwin-platform.github.io/)PhysX contact uses asset collision meshes, which can differ from visible surfaces. New passive CAD scenes, not official RoboTwin episodes or a robot-policy rollout. Simple static contact condition; multi-view necessity untested; human review pending.
Task 22Point TrackinghighPoint Trackingdynamic > passive > perception > Motion Trackingsynchronized egocentric multi-view videonuScenes: an 8-second six-camera surround-view clip sampled at 1 fps. A red point identifies the target surface point only at the first timestamp.A red dot marks one surface point at the first timestamp. Return the camera name and pixel coordinate of the same 3D point at the final timestamp.requireddeterministic derivation from geometry/pose/track annotationsnuScenes (https://www.nuscenes.org/nuscenes) | Aria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)Task 1: Cross-Camera Temporal Handoff LocalizationGround truth in nuScenes, Aria Digital Twin supports automatic generation, but samples still need single-view-necessity and wording review.
Task 23Relative DepthhighRelative Depthstatic > passive > perception > Metric Estimationsynchronized egocentric multi-view imagesAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM) at one shared timestamp. Each view is labeled; queried objects or points are color-marked, while calibration-derived answer labels remain hidden.Which marked object has greater optical depth from the FRONT camera, Red or Blue?beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | HOT3D (https://facebookresearch.github.io/hot3d/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K)Ground truth in Aria Digital Twin, HOT3D supports automatic generation, but samples still need single-view-necessity and wording review.
Task 24Relative DirectionhighRelative Directionstatic > passive > reasoning > Spatial Relation Inferencesynchronized egocentric multi-view imagesHM3D annotated v0.2; image; synchronized cameras from one agent; label annotations are hidden.Relative to object B, where is object A along the rig's horizontal axes? FRONT defines forward; ignore image-grid positions. Answer Left, Right, Front, or Behind.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)Auto-generated; human feasibility review required. Labels use annotated OBB centres; visible surfaces are not necessarily the centre.
Task 25Relative DistancehighRelative Distancestatic > passive > perception > Metric Estimationsynchronized egocentric multi-view imagesHM3D annotated v0.2; image; synchronized cameras from one agent; label annotations are hidden.Which object's 3D centre is closer to the camera rig's optical centre, A or B? Compare Euclidean distance, not forward depth.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)Task 2: Object Distance ChangeAuto-generated; human feasibility review required. Labels use annotated OBB centres; visible surfaces are not necessarily the centre.
Task 26Revisit CountinghighRevisit Countingdynamic > passive > memory > Count Memorysynchronized egocentric multi-view videoHabitat-Sim + HM3D; video; synchronized cameras from one agent; label annotations are hidden.After leaving the starting place, how many times does the camera rig return to it during this video? Do not count the initial presence. Count each departure-and-return once. Return an integer.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHabitat-Sim + HM3D (https://aihabitat.org/datasets/hm3d/)Synthetic routes in scanned HM3D scenes; repeated out-and-back routes are a simple counting condition, not proof of temporal difficulty. Human review and single-view controls pending.
Task 27Rotation AnglehighRotation Angledynamic > passive > perception > Pose Estimationsynchronized egocentric multi-view videoAria Digital Twin: three synchronized Aria views (RGB, left SLAM and right SLAM), sampled over one 8-second interval at 1 fps. Camera names and shared timestamps are shown; a queried target is marked only when first introduced.Through what angle did the marked object rotate between the first and final timestamp?beneficialdeterministic derivation from geometry/pose/track annotationsAria Digital Twin (https://facebookresearch.github.io/projectaria_tools/docs/open_datasets/aria_digital_twin_dataset/) | Ego-1K (https://huggingface.co/datasets/jaeyounglee/Ego-1K) | HoloSet (https://zenodo.org/records/7200131)Ground truth in Aria Digital Twin, Ego-1K supports automatic generation, but samples still need single-view-necessity and wording review.
Task 28Spatial LocalizationhighSpatial Localizationstatic > passive > perception > Groundingsynchronized egocentric multi-view imagesHM3D annotated v0.2; image; synchronized cameras from one agent; label annotations are hidden.Locate the object shown in the reference crop within the four full camera images. Which camera contains it? Answer FRONT, RIGHT, BACK, or LEFT.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)Auto-generated; human feasibility review required. Labels use annotated OBB centres; visible surfaces are not necessarily the centre. Same-time reference crop localization; not evidence of cross-view correspondence or temporal reasoning.
Task 29Travelled Path LengthhighTravelled Path Lengthdynamic > passive > perception > Metric Estimationsynchronized egocentric multi-view videoHOT3D; video; synchronized cameras from one agent; label annotations are hidden.How far did the wearer travel along their 3D path between the first and last timestamps? Estimate total path length, not straight-line displacement. Return metres.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHOT3D (https://facebookresearch.github.io/hot3d/)Existing imagery is reused, but this is a new question and no model score is inherited. Multi-view necessity and visual solvability require human review.
Task 30Vertical Spatial RelationshipshighVertical Spatial Relationshipsstatic > passive > reasoning > Spatial Relation Inferencesynchronized egocentric multi-view imagesHM3D annotated v0.2; image; synchronized cameras from one agent; label annotations are hidden.In the gravity-aligned world frame, is object A's 3D centre above, below, or approximately level with object B's centre? Answer Above, Below, or Level.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)Auto-generated; human feasibility review required. Labels use annotated OBB centres; visible surfaces are not necessarily the centre.
Task 31Vertical World PositionhighVertical World Positionstatic > passive > reasoning > Spatial Relation Inferencesynchronized egocentric multi-view imagesHM3D annotated v0.2; image; synchronized cameras from one agent; label annotations are hidden.Estimate object A's 3D centre height above its local floor in metres. The camera rig is 1.35 m above its walkable floor. Return one number in metres.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)Auto-generated; human feasibility review required. Labels use annotated OBB centres; visible surfaces are not necessarily the centre. Local floor estimated from a locally flat nearby navigation mesh, not a measured support surface.
Task 32Viewpoint Apparent SizehighViewpoint Apparent Sizestatic > passive > reasoning > Perspective Transformationsynchronized egocentric multi-view imagesHM3D annotated v0.2; image; synchronized cameras from one agent; label annotations are hidden.Which camera shows the largest visible image area of object A? Compare the visible part at the shared resolution, including any occlusion or clipping. Answer FRONT, RIGHT, BACK, or LEFT.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHM3D annotated v0.2 (https://aihabitat.org/datasets/hm3d/)Auto-generated; human feasibility review required. Labels use annotated OBB centres; visible surfaces are not necessarily the centre.
Task 33Viewpoint ControlhighViewpoint Controldynamic > active > execution > Viewpoint Controlclosed-loop egocentric camera streams + reference crop + action vocabularyHabitat-Sim + HM3D; closed_loop; synchronized cameras from one agent; label annotations are hidden.Turn the camera rig until the reference object is clearly centred in FRONT, then stop. At each step choose turn_left (10 degrees), turn_right (10 degrees), or stop. Subsequent camera images depend on your action.beneficialgenerated candidates with auditable geometry or simulator labels; manual review pendingHabitat-Sim + HM3D (https://aihabitat.org/datasets/hm3d/)Oracle demonstration is not a model rollout. Rotation-only viewpoint centring; not intrinsic object front-face identification or navigation. Human review and multi-view ablations pending.