Ledger

Building Persistent 3D Object Memory: How Ledger Tracks Objects from Egocentric Videos

打造過目不忘的 3D 空間記憶：Ledger 如何透過第一人稱影片追蹤隱形物體

Researchers introduce Ledger, a framework that builds a persistent 3D object memory from egocentric videos, significantly improving spatial question-answering accuracy for embodied agents.