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Xiaoqian Ruan

3 accepted papers

2026

RARE: Learn to RAnk and REtrieve for Monocular 3D Object Detection

CVPR 2026

Monocular 3D object detection from a single RGB image remains challenging due to two fundamental challenges: the ill-posed nature of 3D localization, where multiple plausible configurations can correspond to the same 2D observation, and unreliable confidence estimation that fails to reflect true loc

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2025

Learning Partonomic 3D Reconstruction from Image Collections

CVPR 2025poster

Reconstructing the 3D shape of an object from a single-view image is a fundamental task in computer vision. Recent advances in differentiable rendering have enabled 3D reconstruction from image collections using only 2D annotations. However, these methods mainly focus on whole-object reconstruction…

2024

Analysis-by-Synthesis Transformer for Single-View 3D Reconstruction

ECCV 2024poster

"Deep learning approaches have made significant success in single-view 3D reconstruction, but they often rely on expensive 3D annotations for training. Recent efforts tackle this challenge by adopting an analysis-by-synthesis paradigm to learn 3D reconstruction with only 2D annotations. However, exi…