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Related papers: Shape-from-Template with Generalised Camera

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We propose a method for predicting the 3D shape of a deformable surface from a single view. By contrast with previous approaches, we do not need a pre-registered template of the surface, and our method is robust to the lack of texture and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Albert Pumarola , Antonio Agudo , Lorenzo Porzi , Alberto Sanfeliu , Vincent Lepetit , Francesc Moreno-Noguer

In this paper, we propose an approach to address the problem of 3D reconstruction of scenes from a single image captured by a light-field camera equipped with a rolling shutter sensor. Our method leverages the 3D information cues present in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Hermes McGriff , Renato Martins , Nicolas Andreff , Cédric Demonceaux

Structure-from-Motion (SfM) is the task of estimating 3D structure and camera poses from images. We define Collaborative SfM (ColabSfM) as sharing distributed SfM reconstructions. Sharing maps requires estimating a joint reference frame,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Johan Edstedt , André Mateus , Alberto Jaenal

Conventional structure-from-motion (SFM) research is primarily concerned with the 3D reconstruction of a single, rigidly moving object seen by a static camera, or a static and rigid scene observed by a moving camera --in both cases there…

Computer Vision and Pattern Recognition · Computer Science 2016-07-18 Suryansh Kumar , Yuchao Dai , Hongdong Li

4D scans of dynamic deformable human body parts help researchers have a better understanding of spatiotemporal features. However, reconstructing 4D scans based on multiple asynchronous cameras encounters two main challenges: 1) finding the…

Image and Video Processing · Electrical Eng. & Systems 2023-07-25 Farzam Tajdari , Toon Huysmans , Xinhe Yao , Jun Xu , Yu Song

Image-based 3D reconstruction is one of the most important tasks in Computer Vision with many solutions proposed over the last few decades. The objective is to extract metric information i.e. the geometry of scene objects directly from…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Qiao Chen , Charalambos Poullis

Establishing character shape correspondence is a critical and fundamental task in computer vision and graphics, with diverse applications including re-topology, attribute transfer, and shape interpolation. Current dominant functional map…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Haolin Liu , Xiaohang Zhan , Zizheng Yan , Zhongjin Luo , Yuxin Wen , Xiaoguang Han

The ability to build maps is a key functionality for the majority of mobile robots. A central ingredient to most mapping systems is the registration or alignment of the recorded sensor data. In this paper, we present a general methodology…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Bartolomeo Della Corte , Igor Bogoslavskyi , Cyrill Stachniss , Giorgio Grisetti

Visual reconstruction of fast non-rigid object deformations over time is a challenge for conventional frame-based cameras. In this paper, we propose a novel approach for reconstructing such deformations using measurements from event-based…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Yuxuan Xue , Haolong Li , Stefan Leutenegger , Jörg Stückler

Analyzing and training 3D body posture models depend heavily on the availability of joint labels that are commonly acquired through laborious manual annotation of body joints or via marker-based joint localization using carefully curated…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Sina Honari , Chen Zhao , Mathieu Salzmann , Pascal Fua

We address the problem of generalizability for multi-view 3D human pose estimation. The standard approach is to first detect 2D keypoints in images and then apply triangulation from multiple views. Even though the existing methods achieve…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Kristijan Bartol , David Bojanić , Tomislav Petković , Tomislav Pribanić

In this paper we study the problem of estimating the semi-generalized pose of a partially calibrated camera, i.e., the pose of a perspective camera with unknown focal length w.r.t. a generalized camera, from a hybrid set of 2D-2D and 2D-3D…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Snehal Bhayani , Viktor Larsson , Torsten Sattler , Janne Heikkila , Zuzana Kukelova

Shape from texture refers to the extraction of 3D information from 2D images with irregular texture. This paper introduces a statistical framework to learn shape from texture where convex texture elements in a 2D image are represented…

We present a framework to translate between 2D image views and 3D object shapes. Recent progress in deep learning enabled us to learn structure-aware representations from a scene. However, the existing literature assumes that pairs of…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Berk Kaya , Radu Timofte

3D scene registration is a fundamental problem in computer vision that seeks the best 6-DoF alignment between two scenes. This problem was extensively investigated in the case of point clouds and meshes, but there has been relatively…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Leo Segre , Shai Avidan

3D shape reconstruction is a primary component of augmented/virtual reality. Despite being highly advanced, existing solutions based on RGB, RGB-D and Lidar sensors are power and data intensive, which introduces challenges for deployment in…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Alexis Baudron , Zihao W. Wang , Oliver Cossairt , Aggelos K. Katsaggelos

Category-level 6D object pose estimation aims to estimate the rotation, translation and size of unseen instances within specific categories. In this area, dense correspondence-based methods have achieved leading performance. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Xiao Lin , Wenfei Yang , Yuan Gao , Tianzhu Zhang

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

Unsupervised 3D keypoints estimation from Point Cloud Data (PCD) is a complex task, even more challenging when an object shape is deforming. As keypoints should be semantically and geometrically consistent across all the 3D frames - each…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Mohammad Zohaib , Luca Cosmo , Alessio Del Bue

The plenoptic camera can capture both angular and spatial information of the rays, enabling 3D reconstruction by single exposure. The geometry of the recovered scene structure is affected by the calibration of the plenoptic camera…

Computer Vision and Pattern Recognition · Computer Science 2016-08-17 Chunping Zhang , Zhe Ji , Qing Wang