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Qitao Zhao

6 accepted papers

2026

E-RayZer: Self-supervised 3D Reconstruction as Spatial Visual Pre-training

CVPR 2026

Self-supervised pre-training has driven rapid progress in foundation models for language, 2D images, and video, yet remains largely unexplored for learning 3D-aware representations from multi-view images. In this paper, we present E-RayZer, a self-supervised 3D vision model that learns geometrically

Cited by 0SourcecodeScholar
2026

Flow3r: Factored Flow Prediction for Scalable Visual Geometry Learning

CVPR 2026

Current feed-forward 3D/4D reconstruction systems rely on dense geometry and pose supervision - expensive to obtain at scale and particularly scarce for dynamic real-world scenes. We present Flow3r, a framework that augments visual geometry learning with dense 2D correspondences ('flow') as supervis

Cited by 0SourcecodeScholar
2025

DiffusionSfM: Predicting Structure and Motion via Ray Origin and Endpoint Diffusion

CVPR 2025poster

Current Structure-from-Motion (SfM) methods typically follow a two-stage pipeline, combining learned or geometric pairwise reasoning with a subsequent global optimization step. In contrast, we propose a data-driven multi-view reasoning approach that directly infers 3D scene geometry and camera poses…

2024

Sparse-view Pose Estimation and Reconstruction via Analysis by Generative Synthesis

NeurIPS 2024poster

Inferring the 3D structure underlying a set of multi-view images typically requires solving two co-dependent tasks -- accurate 3D reconstruction requires precise camera poses, and predicting camera poses relies on (implicitly or explicitly) modeling the underlying 3D. The classical framework of anal…

Cited by 1SourcePDFScholar
2023

A Single 2D Pose with Context is Worth Hundreds for 3D Human Pose Estimation

NeurIPS 2023poster

The dominant paradigm in 3D human pose estimation that lifts a 2D pose sequence to 3D heavily relies on long-term temporal clues (i.e., using a daunting number of video frames) for improved accuracy, which incurs performance saturation, intractable computation and the non-causal problem. This can be…

2023

PoseFormerV2: Exploring Frequency Domain for Efficient and Robust 3D Human Pose Estimation

CVPR 2023poster

Recently, transformer-based methods have gained significant success in sequential 2D-to-3D lifting human pose estimation. As a pioneering work, PoseFormer captures spatial relations of human joints in each video frame and human dynamics across frames with cascaded transformer layers and has achieved…