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Reconstruction of a 3D shape from a single 2D image is a classical computer vision problem, whose difficulty stems from the inherent ambiguity of recovering occluded or only partially observed surfaces. Recent methods address this challenge…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Yuan Yao , Nico Schertler , Enrique Rosales , Helge Rhodin , Leonid Sigal , Alla Sheffer

In compressible fluid flow, reconstructing shocks, discontinuities, rarefactions, and their interactions from sparse measurements is an important inverse problem with practical applications. Moreover, physics-informed machine learning has…

流体动力学 · 物理学 2025-05-28 Rami Cassia , Rich Kerswell

Detection and tracking of moving objects is an essential component in environmental perception for autonomous driving. In the flourishing field of multi-view 3D camera-based detectors, different transformer-based pipelines are designed to…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Yining Shi , Jingyan Shen , Yifan Sun , Yunlong Wang , Jiaxin Li , Shiqi Sun , Kun Jiang , Diange Yang

3D reconstruction from a single image is a key problem in multiple applications ranging from robotic manipulation to augmented reality. Prior methods have tackled this problem through generative models which predict 3D reconstructions as…

计算机视觉与模式识别 · 计算机科学 2017-08-17 Andrey Kurenkov , Jingwei Ji , Animesh Garg , Viraj Mehta , JunYoung Gwak , Christopher Choy , Silvio Savarese

Real-world robotic grasping can be done robustly if a complete 3D Point Cloud Data (PCD) of an object is available. However, in practice, PCDs are often incomplete when objects are viewed from few and sparse viewpoints before the grasping…

Recent advances have enabled 3d object reconstruction approaches using a single off-the-shelf RGB-D camera. Although these approaches are successful for a wide range of object classes, they rely on stable and distinctive geometric or…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Dimitrios Tzionas , Juergen Gall

We present a novel approach for the reconstruction of dynamic geometric shapes using a single hand-held consumer-grade RGB-D sensor at real-time rates. Our method does not require a pre-defined shape template to start with and builds up the…

计算机视觉与模式识别 · 计算机科学 2016-08-02 Matthias Innmann , Michael Zollhöfer , Matthias Nießner , Christian Theobalt , Marc Stamminger

Inferring the 3D shape of an object from an RGB image has shown impressive results, however, existing methods rely primarily on recognizing the most similar 3D model from the training set to solve the problem. These methods suffer from poor…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Haozhe Xie , Hongxun Yao , Shangchen Zhou , Shengping Zhang , Xiaoshuai Sun , Wenxiu Sun

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…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Alexis Baudron , Zihao W. Wang , Oliver Cossairt , Aggelos K. Katsaggelos

We introduce a novel neural network architecture for encoding and synthesis of 3D shapes, particularly their structures. Our key insight is that 3D shapes are effectively characterized by their hierarchical organization of parts, which…

图形学 · 计算机科学 2017-05-16 Jun Li , Kai Xu , Siddhartha Chaudhuri , Ersin Yumer , Hao Zhang , Leonidas Guibas

Recent advances in the area of plane segmentation from single RGB images show strong accuracy improvements and now allow a reliable segmentation of indoor scenes into planes. Nonetheless, fine-grained details of these segmentation masks are…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Alexander Naumann , Laura Dörr , Niels Ole Salscheider , Kai Furmans

From a single image, humans are able to perceive the full 3D shape of an object by exploiting learned shape priors from everyday life. Contemporary single-image 3D reconstruction algorithms aim to solve this task in a similar fashion, but…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Xiuming Zhang , Zhoutong Zhang , Chengkai Zhang , Joshua B. Tenenbaum , William T. Freeman , Jiajun Wu

Recovering 3D human body shape and pose from 2D images is a challenging task due to high complexity and flexibility of human body, and relatively less 3D labeled data. Previous methods addressing these issues typically rely on predicting…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Pengfei Yao , Zheng Fang , Fan Wu , Yao Feng , Jiwei Li

The retrieval of the 3D pose and shape of objects from images is an ill-posed problem. A common way to object reconstruction is to match entities such as keypoints, edges, or contours of a deformable 3D model, used as shape prior, to their…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Max Coenen , Franz Rottensteiner

Estimating the 6D pose of objects using only RGB images remains challenging because of problems such as occlusion and symmetries. It is also difficult to construct 3D models with precise texture without expert knowledge or specialized…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Kiru Park , Timothy Patten , Markus Vincze

Rain degrades the visual quality of multi-view images, which are essential for 3D scene reconstruction, resulting in inaccurate and incomplete reconstruction results. Existing datasets often overlook two critical characteristics of real…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Qianfeng Yang , Xiang Chen , Pengpeng Li , Qiyuan Guan , Guiyue Jin , Jiyu Jin

The use of RGB-D information for salient object detection has been extensively explored in recent years. However, relatively few efforts have been put towards modeling salient object detection in real-world human activity scenes with RGBD.…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Deng-Ping Fan , Zheng Lin , Jia-Xing Zhao , Yun Liu , Zhao Zhang , Qibin Hou , Menglong Zhu , Ming-Ming Cheng

We propose a novel 3d colored shape reconstruction method from a single RGB image through diffusion model. Diffusion models have shown great development potentials for high-quality 3D shape generation. However, most existing work based on…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Bo Li , Xiaolin Wei , Fengwei Chen , Bin Liu

Real-life man-made objects often exhibit strong and easily-identifiable structure, as a direct result of their design or their intended functionality. Structure typically appears in the form of individual parts and their arrangement.…

计算机视觉与模式识别 · 计算机科学 2018-09-06 Vignesh Ganapathi-Subramanian , Olga Diamanti , Soeren Pirk , Chengcheng Tang , Matthias Niessner , Leonidas J. Guibas

In this paper, we propose a novel approach to solve the 3D non-rigid registration problem from RGB images using Convolutional Neural Networks (CNNs). Our objective is to find a deformation field (typically used for transferring knowledge…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Diego Rodriguez , Florian Huber , Sven Behnke