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We propose a new self-supervised method for predicting 3D human body pose from a single image. The prediction network is trained from a dataset of unlabelled images depicting people in typical poses and a set of unpaired 2D poses. By…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Jose Sosa , David Hogg

The recovery of multi-person 3D poses from a single RGB image is a severely ill-conditioned problem due to the inherent 2D-3D depth ambiguity, inter-person occlusions, and body truncations. To tackle these issues, recent works have shown…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Nicolas Ugrinovic , Adria Ruiz , Antonio Agudo , Alberto Sanfeliu , Francesc Moreno-Noguer

Accurate 3D reconstruction from multi-view images is essential for downstream robotic tasks such as navigation, manipulation, and environment understanding. However, obtaining precise camera poses in real-world settings remains challenging,…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Sriram Srinivasan , Gautam Ramachandra

6D pose estimation is a central problem in robot vision. Compared with pose estimation based on point correspondences or its robust versions, correspondence-free methods are often more flexible. However, existing correspondence-free methods…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Quan Quan , Dun Dai

State-of-the-art methods for large-scale 3D reconstruction from RGB-D sensors usually reduce drift in camera tracking by globally optimizing the estimated camera poses in real-time without simultaneously updating the reconstructed surface…

计算机视觉与模式识别 · 计算机科学 2017-09-13 Robert Maier , Raphael Schaller , Daniel Cremers

In the era of deep learning, human pose estimation from multiple cameras with unknown calibration has received little attention to date. We show how to train a neural model to perform this task with high precision and minimal latency…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Ben Usman , Andrea Tagliasacchi , Kate Saenko , Avneesh Sud

We introduce the first end-to-end learning-based solution to near-field Photometric Stereo (PS), where the light sources are close to the object of interest. This setup is especially useful for reconstructing large immobile objects. Our…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Daniel Lichy , Soumyadip Sengupta , David W. Jacobs

Dynamic environments that include unstructured moving objects pose a hard problem for Simultaneous Localization and Mapping (SLAM) performance. The motion of rigid objects can be typically tracked by exploiting their texture and geometric…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Huayan Zhang , Tianwei Zhang , Tin Lun Lam , Sethu Vijayakumar

Camera pose estimation is a key step in standard 3D reconstruction pipelines that operate on a dense set of images of a single object or scene. However, methods for pose estimation often fail when only a few images are available because…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Samarth Sinha , Jason Y. Zhang , Andrea Tagliasacchi , Igor Gilitschenski , David B. Lindell

We propose to leverage recent advances in reliable 2D pose estimation with Convolutional Neural Networks (CNN) to estimate the 3D pose of people from depth images in multi-person Human-Robot Interaction (HRI) scenarios. Our method is based…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

Recovering structure and motion parameters given a image pair or a sequence of images is a well studied problem in computer vision. This is often achieved by employing Structure from Motion (SfM) or Simultaneous Localization and Mapping…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Thanuja Dharmasiri , Andrew Spek , Tom Drummond

We propose Co-op, a novel method for accurately and robustly estimating the 6DoF pose of objects unseen during training from a single RGB image. Our method requires only the CAD model of the target object and can precisely estimate its pose…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Sungphill Moon , Hyeontae Son , Dongcheol Hur , Sangwook Kim

Sparse-view 3D CT reconstruction aims to recover volumetric structures from a limited number of 2D X-ray projections. Existing feedforward methods are constrained by the scarcity of large-scale training datasets and the absence of direct…

图像与视频处理 · 电气工程与系统科学 2026-01-29 Guofeng Zhang , Ruyi Zha , Hao He , Yixun Liang , Alan Yuille , Hongdong Li , Yuanhao Cai

The task of three-dimensional (3D) human pose estimation from a single image can be divided into two parts: (1) Two-dimensional (2D) human joint detection from the image and (2) estimating a 3D pose from the 2D joints. Herein, we focus on…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Yasunori Kudo , Keisuke Ogaki , Yusuke Matsui , Yuri Odagiri

In this paper, we concern on the bottom-up paradigm in multi-person pose estimation (MPPE). Most previous bottom-up methods try to consider the relation of instances to identify different body parts during the post processing, while…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Ruoqi Yin , Jianqin Yin

Recent large reconstruction models have made notable progress in generating high-quality 3D objects from single images. However, current reconstruction methods often rely on explicit camera pose estimation or fixed viewpoints, restricting…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Hao He , Yixun Liang , Luozhou Wang , Yuanhao Cai , Xinli Xu , Hao-Xiang Guo , Xiang Wen , Yingcong Chen

This paper propose a interactive 3D modeling method and corresponding system based on single or multiple uncalibrated images. The main feature of this method is that, according to the modeling habits of ordinary people, the 3D model of the…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Zhi He , Rui Wang , Wei Hua , Yuchi Huo

Current non-rigid structure from motion (NRSfM) algorithms are mainly limited with respect to: (i) the number of images, and (ii) the type of shape variability they can handle. This has hampered the practical utility of NRSfM for many…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Chen Kong , Simon Lucey

Image stacks provide invaluable 3D information in various biological and pathological imaging applications. Fourier ptychographic microscopy (FPM) enables reconstructing high-resolution, wide field-of-view image stacks without z-stack…

Recent feed-forward geometry foundation models have demonstrated impressive generalization by recovering depth and poses in a single forward pass. However, these models are typically constrained by a global coordinate frame assumption. This…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Congrong Xu , Huachen Gao , Xingyu Chen , Yuliang Xiu , Jun Gao , Anpei Chen