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Answering spatial questions about scene using image and 3D with ScanQA

Answering spatial questions about scene using image and 3D with ScanQA


ScanQA: 3D Question Answering for Spatial Scene Understanding



We propose a new 3D spatial understanding task of 3D Question Answering (3D-QA).


In the 3D-QA task, models receive visual information from the entire 3D scene of the rich RGB-D indoor scan and answer the given textual questions about the 3D scene.


... propose a baseline model for 3D-QA, named ScanQA model, where the model learns a fused descriptor from 3D object proposals and encoded sentence embeddings.


... correlates the language expressions with the underlying geometric features of the 3D scan and facilitates the regression of 3D bounding boxes to determine described objects in textual questions.


... ScanQA is the first large-scale effort to perform object-grounded question-answering in 3D environments.



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