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Detailed 3D reconstruction is an important challenge with application to robotics, augmented and virtual reality, which has seen impressive progress throughout the past years. Advancements were driven by the availability of depth cameras…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Andrea Nicastro , Ronald Clark , Stefan Leutenegger

Robotic systems often require precise scene analysis capabilities, especially in unstructured, cluttered situations, as occurring in human-made environments. While current deep-learning based methods yield good estimates of object poses,…

计算机视觉与模式识别 · 计算机科学 2019-10-09 Arul Selvam Periyasamy , Max Schwarz , Sven Behnke

We propose a deep learning approach for finding dense correspondences between 3D scans of people. Our method requires only partial geometric information in the form of two depth maps or partial reconstructed surfaces, works for humans in…

计算机视觉与模式识别 · 计算机科学 2016-06-28 Lingyu Wei , Qixing Huang , Duygu Ceylan , Etienne Vouga , Hao Li

Extracting discriminative local features that are invariant to imaging variations is an integral part of establishing correspondences between images. In this work, we introduce a self-supervised learning framework to extract discriminative…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Jongmin Lee , Byungjin Kim , Seungwook Kim , Minsu Cho

Exposure correction is one of the fundamental tasks in image processing and computational photography. While various methods have been proposed, they either fail to produce visually pleasing results, or only work well for limited types of…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Qing Zhang , Yongwei Nie , Wei-Shi Zheng

Computational image reconstruction algorithms generally produce a single image without any measure of uncertainty or confidence. Regularized Maximum Likelihood (RML) and feed-forward deep learning approaches for inverse problems typically…

机器学习 · 计算机科学 2020-12-18 He Sun , Katherine L. Bouman

This paper proposes a generalizable, end-to-end deep learning-based method for relative pose regression between two images. Given two images of the same scene captured from different viewpoints, our method predicts the relative rotation and…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Fadi Khatib , Yuval Margalit , Meirav Galun , Ronen Basri

This work presents a probabilistic deep neural network that combines LiDAR point clouds and RGB camera images for robust, accurate 3D object detection. We explicitly model uncertainties in the classification and regression tasks, and…

机器人学 · 计算机科学 2020-02-04 Di Feng , Yifan Cao , Lars Rosenbaum , Fabian Timm , Klaus Dietmayer

We present a novel approach for model-based 6D pose refinement in color data. Building on the established idea of contour-based pose tracking, we teach a deep neural network to predict a translational and rotational update. At the core, we…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Fabian Manhardt , Wadim Kehl , Nassir Navab , Federico Tombari

Many machine learning problems involve regressing variables on a non-Euclidean manifold -- e.g. a discrete probability distribution, or the 6D pose of an object. One way to tackle these problems through gradient-based learning is to use a…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Romain Brégier

Correlated photon pairs, carrying strong quantum correlations, have been harnessed to bring quantum advantages to various fields from biological imaging to range finding. Such inherent non-classical properties support extracting more valid…

量子物理 · 物理学 2020-06-18 Zhan-Ming Li , Shi-Bao Wu , Jun Gao , Heng Zhou , Zeng-Quan Yan , Ruo-Jing Ren , Si-Yuan Yin , Xian-Min Jin

The ability to perceive and understand 3D scenes is crucial for many applications in computer vision and robotics. Inverse graphics is an appealing approach to 3D scene understanding that aims to infer the 3D scene structure from 2D images.…

6D object pose estimation is a prerequisite for many applications. In recent years, monocular pose estimation has attracted much research interest because it does not need depth measurements. In this work, we introduce ConvPoseCNN, a fully…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Catherine Capellen , Max Schwarz , Sven Behnke

Normalized cross-correlation is the reference approach to carry out template matching on images. When it is computed in Fourier space, it can handle efficiently template translations but it cannot do so with template rotations. Including…

计算机视觉与模式识别 · 计算机科学 2024-07-17 José María Almira , Harold Phelippeau , Antonio Martinez-Sanchez

Constructing an occupancy representation of the environment is a fundamental problem for robot autonomy. Many accurate and efficient methods exist that address this problem but most assume that the occupancy states of different elements in…

机器人学 · 计算机科学 2018-01-24 Ke Sun , Kelsey Saulnier , Nikolay Atanasov , George J. Pappas , Vijay Kumar

Camera localization aims to estimate 6 DoF camera poses from RGB images. Traditional methods detect and match interest points between a query image and a pre-built 3D model. Recent learning-based approaches encode scene structures into a…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Shitao Tang , Chengzhou Tang , Rui Huang , Siyu Zhu , Ping Tan

In this paper, we present a framework for computing dense keypoint correspondences between images under strong scene appearance changes. Traditional methods, based on nearest neighbour search in the feature descriptor space, perform poorly…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Grzegorz Kurzejamski , Jacek Komorowski , Lukasz Dabala , Konrad Czarnota , Simon Lynen , Tomasz Trzcinski

We consider imaging of fast moving small objects in space, such as low earth orbit satellites, which are also rotating around a fixed axis. The imaging system consists of ground based, asynchronous sources of radiation and several passive…

信号处理 · 电气工程与系统科学 2021-11-03 Matan Leibovich , George Papanicolaou , Chrysoula Tsogka

Recently, regression-based methods have dominated the field of 3D human pose and shape estimation. Despite their promising results, a common issue is the misalignment between predictions and image observations, often caused by minor joint…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Tom Wehrbein , Bodo Rosenhahn , Iain Matthews , Carsten Stoll

In this work, we introduce a novel method for calculating the 6DoF pose of an object using a single RGB-D image. Unlike existing methods that either directly predict objects' poses or rely on sparse keypoints for pose recovery, our approach…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Zong-Wei Hong , Yen-Yang Hung , Chu-Song Chen