LongSpace-Bench
LongSpace: Exploring Long-Horizon Spatial Memory from Perception to Recall in Video
Shiqiang Lang, Jing Liu, Haoyang He, Peiwen Sun, Yuanteng Chen, Tao Liu, et al. · 2026-06-04
- Modality
- Embodied & 3D
- Data
- Real data
- Task · ground truth
- QA · Ans.+Time
- Scope
- Benchmark with memory tracks
What it tests
- CECross-modal evidencePartially evaluated
- LELong-range evidenceDirectly evaluated
- SCState changesDirectly evaluated
- CFConflicting memoriesNot evaluated
- UQUnanswerable queriesNot evaluated
- MAMemory-grounded actionNot evaluated
- SMSpatial memoryDirectly evaluated
- OSObject-state trackingDirectly evaluated
- TSTask-state trackingPartially evaluated
Survey notes
Spatial-memory tasks test appearance order, changing states, route recall and planning over room-tour videos.