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Large Reconstruction Models have made significant strides in the realm of automated 3D content generation from single or multiple input images. Despite their success, these models often produce 3D meshes with geometric inaccuracies,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Ruikai Cui , Xibin Song , Weixuan Sun , Senbo Wang , Weizhe Liu , Shenzhou Chen , Taizhang Shang , Yang Li , Nick Barnes , Hongdong Li , Pan Ji

6-DoF object pose estimation from a monocular image is challenging, and a post-refinement procedure is generally needed for high-precision estimation. In this paper, we propose a framework based on a recurrent neural network (RNN) for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Yan Xu , Kwan-Yee Lin , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

Estimating 3D human poses only from a 2D human pose sequence is thoroughly explored in recent years. Yet, prior to this, no such work has attempted to unify 2D and 3D pose representations in the shared feature space. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zhenyu Zhang , Wenhao Chai , Zhongyu Jiang , Tian Ye , Mingli Song , Jenq-Neng Hwang , Gaoang Wang

This paper addresses the problem of 3D human pose estimation from a single image. We follow a standard two-step pipeline by first detecting the 2D position of the $N$ body joints, and then using these observations to infer 3D pose. For the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Francesc Moreno-Noguer

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)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Mosam Dabhi , Laszlo A. Jeni , Simon Lucey

Single-image 3D reconstruction with large reconstruction models (LRMs) has advanced rapidly, yet reconstructions often exhibit geometric inconsistencies and misaligned details that limit fidelity. We introduce GeoFusionLRM, a geometry-aware…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Ahmet Burak Yildirim , Tuna Saygin , Duygu Ceylan , Aysegul Dundar

Face frontalization refers to the process of synthesizing the frontal view of a face from a given profile. Due to self-occlusion and appearance distortion in the wild, it is extremely challenging to recover faithful results and preserve…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Jie Cao , Yibo Hu , Hongwen Zhang , Ran He , Zhenan Sun

We propose an approach for reconstructing free-moving object from a monocular RGB video. Most existing methods either assume scene prior, hand pose prior, object category pose prior, or rely on local optimization with multiple sequence…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Haixin Shi , Yinlin Hu , Daniel Koguciuk , Juan-Ting Lin , Mathieu Salzmann , David Ferstl

We propose RelitLRM, a Large Reconstruction Model (LRM) for generating high-quality Gaussian splatting representations of 3D objects under novel illuminations from sparse (4-8) posed images captured under unknown static lighting. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Tianyuan Zhang , Zhengfei Kuang , Haian Jin , Zexiang Xu , Sai Bi , Hao Tan , He Zhang , Yiwei Hu , Milos Hasan , William T. Freeman , Kai Zhang , Fujun Luan

We propose an end-to-end architecture for joint 2D and 3D human pose estimation in natural images. Key to our approach is the generation and scoring of a number of pose proposals per image, which allows us to predict 2D and 3D poses of…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Gregory Rogez , Philippe Weinzaepfel , Cordelia Schmid

This paper studies the complex task of simultaneous multi-object 3D reconstruction, 6D pose and size estimation from a single-view RGB-D observation. In contrast to instance-level pose estimation, we focus on a more challenging problem…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Muhammad Zubair Irshad , Thomas Kollar , Michael Laskey , Kevin Stone , Zsolt Kira

With recent advances, Feed-forward Reconstruction Models (FFRMs) have demonstrated great potential in reconstruction quality and adaptiveness to multiple downstream tasks. However, the excessive reliance on multi-view geometric annotations,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Youyu Chen , Junjun Jiang , Yueru Luo , Kui Jiang , Xianming Liu , Xu Yan , Dave Zhenyu Chen

Radiance fields including NeRFs and 3D Gaussians demonstrate great potential in high-fidelity rendering and scene reconstruction, while they require a substantial number of posed images as inputs. COLMAP is frequently employed for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Zhirui Gao , Renjiao Yi , Chenyang Zhu , Ke Zhuang , Wei Chen , Kai Xu

Real-time dense scene reconstruction during unstable camera motions is crucial for robotics, yet current RGB-D SLAM systems fail when cameras experience large viewpoint changes, fast motions, or sudden shaking. Classical optimization-based…

Robotics · Computer Science 2026-03-04 Siyan Dong , Zijun Wang , Lulu Cai , Yi Ma , Yanchao Yang

We introduce a novel camera model for monocular 3D Morphable Model (3DMM) regression methods that effectively captures the perspective distortion effect commonly seen in close-up facial images. Fitting 3D morphable models to video is a key…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Toby Chong , Ryota Nakajima

We propose PRM, a novel photometric stereo based large reconstruction model to reconstruct high-quality meshes with fine-grained local details. Unlike previous large reconstruction models that prepare images under fixed and simple lighting…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Wenhang Ge , Jiantao Lin , Guibao Shen , Jiawei Feng , Tao Hu , Xinli Xu , Ying-Cong Chen

In this paper, we aim to recover the 3D human pose from 2D body joints of a single image. The major challenge in this task is the depth ambiguity since different 3D poses may produce similar 2D poses. Although many recent advances in this…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Mengxi Jiang , Zhuliang Yu , Cuihua Li , Yunqi Lei

Recovering 3D human poses from a monocular camera view is a highly ill-posed problem due to the depth ambiguity. Earlier studies on 3D human pose lifting from 2D often contain incorrect-yet-overconfident 3D estimations. To mitigate the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Cuong Le , Pavlo Melnyk , Bastian Wandt , Mårten Wadenbäck

Even though 3D face reconstruction has achieved impressive progress, most orthogonal projection-based face reconstruction methods can not achieve accurate and consistent reconstruction results when the face is very close to the camera due…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Jia Guo , Jinke Yu , Alexandros Lattas , Jiankang Deng

Recent advances in 3D Gaussian Splatting (3DGS) have enabled high-quality, real-time novel-view synthesis from multi-view images. However, most existing methods assume the object is captured in a single, static pose, resulting in incomplete…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Ting-Yu Yen , Yu-Sheng Chiu , Shih-Hsuan Hung , Peter Wonka , Hung-Kuo Chu