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This paper shows that accurate underwater 3D shape reconstruction is possible using a single camera, observing a target through a refractive interface. We provide unified reconstruction techniques for a variety of scenarios such as single…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Kazuto Ichimaru , Yuichi Taguchi , Hiroshi Kawasaki

Human pose estimation is a key step to action recognition. We propose a method of estimating 3D human poses from a single image, which works in conjunction with an existing 2D pose/joint detector. 3D pose estimation is challenging because…

Computer Vision and Pattern Recognition · Computer Science 2014-06-10 Chunyu Wang , Yizhou Wang , Zhouchen Lin , Alan L. Yuille , Wen Gao

Recovering the metric 3D shape from a single image is particularly relevant for robotics and embodied intelligence applications, where accurate spatial understanding is crucial for navigation and interaction with environments. Usually, the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Chenghao Zhang , Lubin Fan , Shen Cao , Bojian Wu , Jieping Ye

Monocular 3D Object Detection represents a challenging Computer Vision task due to the nature of the input used, which is a single 2D image, lacking in any depth cues and placing the depth estimation problem as an ill-posed one. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Diana-Alexandra Sas , Florin Oniga

Recovering 3D human mesh from monocular images is a popular topic in computer vision and has a wide range of applications. This paper aims to estimate 3D mesh of multiple body parts (e.g., body, hands) with large-scale differences from a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Yu Sun , Qian Bao , Wu Liu , Wenpeng Gao , Yili Fu , Chuang Gan , Tao Mei

We are working towards 3D reconstruction of indoor spaces using a pair of HDR cameras in a stereo vision configuration mounted on an indoor mobile floor robot that captures various textures and spatial features as 2D images and this data is…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Kshitij Karnawat , Hritvik Choudhari , Abhimanyu Saxena , Mudit Singal , Raajith Gadam

We present a method to reconstruct the three-dimensional trajectory of a moving instance of a known object category in monocular video data. We track the two-dimensional shape of objects on pixel level exploiting instance-aware semantic…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Sebastian Bullinger , Christoph Bodensteiner , Michael Arens , Rainer Stiefelhagen

We introduce a novel learning-based method to reconstruct the high-quality geometry and complex, spatially-varying BRDF of an arbitrary object from a sparse set of only six images captured by wide-baseline cameras under collocated point…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Sai Bi , Zexiang Xu , Kalyan Sunkavalli , David Kriegman , Ravi Ramamoorthi

We present a novel pipeline for learning the conditional distribution of a building roof mesh given pixels from an aerial image, under the assumption that roof geometry follows a set of regular patterns. Unlike alternative methods that…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Maxim Khomiakov , Alejandro Valverde Mahou , Alba Reinders Sánchez , Jes Frellsen , Michael Riis Andersen

This work proposes novel hyperparameter-free losses for single view 3D reconstruction with morphable models (3DMM). We dispense with the hyperparameters used in other works by exploiting geometry, so that the shape of the object and the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Eduard Ramon , Guillermo Ruiz , Thomas Batard , Xavier Giró-i-Nieto

We propose a unified formulation for the problem of 3D human pose estimation from a single raw RGB image that reasons jointly about 2D joint estimation and 3D pose reconstruction to improve both tasks. We take an integrated approach that…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Denis Tome , Chris Russell , Lourdes Agapito

We propose a method that integrates two widely available data sources, building footprints from 2D maps and street level images, to derive valuable information that is generally difficult to acquire -- building heights and building facade…

Computer Vision and Pattern Recognition · Computer Science 2016-12-14 Jiangye Yuan , Anil M. Cheriyadat

This paper introduces geometry and object shape and pose costs for multi-object tracking in urban driving scenarios. Using images from a monocular camera alone, we devise pairwise costs for object tracks, based on several 3D cues such as…

Robotics · Computer Science 2018-07-30 Sarthak Sharma , Junaid Ahmed Ansari , J. Krishna Murthy , K. Madhava Krishna

Semantic reconstruction of indoor scenes refers to both scene understanding and object reconstruction. Existing works either address one part of this problem or focus on independent objects. In this paper, we bridge the gap between…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Yinyu Nie , Xiaoguang Han , Shihui Guo , Yujian Zheng , Jian Chang , Jian Jun Zhang

We study end-to-end learning strategies for 3D shape inference from images, in particular from a single image. Several approaches in this direction have been investigated that explore different shape representations and suitable learning…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Roman Klokov , Jakob Verbeek , Edmond Boyer

We present a novel method to improve the accuracy of the 3D reconstruction of clothed human shape from a single image. Recent work has introduced volumetric, implicit and model-based shape learning frameworks for reconstruction of objects…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Akin Caliskan , Armin Mustafa , Evren Imre , Adrian Hilton

3D reconstruction from a single view image is a long-standing prob-lem in computer vision. Various methods based on different shape representations(such as point cloud or volumetric representations) have been proposed. However,the 3D shape…

Graphics · Computer Science 2020-03-10 Aihua Mao , Canglan Dai , Lin Gao , Ying He , Yong-jin Liu

In this paper, we propose a novel structure-aware 3D hourglass network for hand pose estimation from a single depth image, which achieves state-of-the-art results on MSRA and NYU datasets. Compared to existing works that perform…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Fuyang Huang , Ailing Zeng , Minhao Liu , Jing Qin , Qiang Xu

Reconstructing 3D shapes from a single image plays an important role in computer vision. Many methods have been proposed and achieve impressive performance. However, existing methods mainly focus on extracting semantic information from…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Shaoming Li , Qing Cai , Songqi Kong , Runqing Tan , Heng Tong , Shiji Qiu , Yongguo Jiang , Zhi Liu

Our goal is to recognize material categories using images and geometry information. In many applications, such as construction management, coarse geometry information is available. We investigate how 3D geometry (surface normals, camera…

Computer Vision and Pattern Recognition · Computer Science 2017-08-11 Joseph DeGol , Mani Golparvar-Fard , Derek Hoiem