3D-LFM: Lifting Foundation Model

• URL: http://arxiv.org/abs/2312.11894v2
• Date: Fri, 26 Apr 2024 05:54:28 GMT
• Title: 3D-LFM: Lifting Foundation Model
• Authors: Mosam Dabhi, Laszlo A. Jeni, Simon Lucey,
• Abstract summary: deep learning has expanded our capability to reconstruct a wide range of object classes. Our approach harnesses the inherent permutation equivariance transformers to manage varying number points per 3D data instance. We demonstrate state the art performance across 2D-3D lifting task benchmarks.
• Score: 29.48835001900286
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: The lifting of 3D structure and camera from 2D landmarks is at the cornerstone of the entire discipline of computer vision. Traditional methods have been confined to specific rigid objects, such as those in Perspective-n-Point (PnP) problems, but deep learning has expanded our capability to reconstruct a wide range of object classes (e.g. C3DPO and PAUL) with resilience to noise, occlusions, and perspective distortions. All these techniques, however, have been limited by the fundamental need to establish correspondences across the 3D training data -- significantly limiting their utility to applications where one has an abundance of "in-correspondence" 3D data. Our approach harnesses the inherent permutation equivariance of transformers to manage varying number of points per 3D data instance, withstands occlusions, and generalizes to unseen categories. We demonstrate state of the art performance across 2D-3D lifting task benchmarks. Since our approach can be trained across such a broad class of structures we refer to it simply as a 3D Lifting Foundation Model (3D-LFM) -- the first of its kind.

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