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相关论文: Multi-View Stereo by Temporal Nonparametric Fusion

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Visual Odometry (VO) estimation is an important source of information for vehicle state estimation and autonomous driving. Recently, deep learning based approaches have begun to appear in the literature. However, in the context of driving,…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

Modeling latent variables with priors and hyperpriors is an essential problem in variational image compression. Formally, trade-off between rate and distortion is handled well if priors and hyperpriors precisely describe latent variables.…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Xiaosu Zhu , Jingkuan Song , Lianli Gao , Feng Zheng , Heng Tao Shen

We present a new approach for synthesizing novel views of people in new poses. Our novel differentiable renderer enables the synthesis of highly realistic images from any viewpoint. Rather than operating over mesh-based structures, our…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Guillaume Rochette , Chris Russell , Richard Bowden

Understanding the geometry and pose of objects in 2D images is a fundamental necessity for a wide range of real world applications. Driven by deep neural networks, recent methods have brought significant improvements to object pose…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Jogendra Nath Kundu , Rahul M. V. , Aditya Ganeshan , R. Venkatesh Babu

We introduce SPFSplatV2, an efficient feed-forward framework for 3D Gaussian splatting from sparse multi-view images, requiring no ground-truth poses during training and inference. It employs a shared feature extraction backbone, enabling…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Ranran Huang , Krystian Mikolajczyk

We present MVSGaussian, a new generalizable 3D Gaussian representation approach derived from Multi-View Stereo (MVS) that can efficiently reconstruct unseen scenes. Specifically, 1) we leverage MVS to encode geometry-aware Gaussian…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Tianqi Liu , Guangcong Wang , Shoukang Hu , Liao Shen , Xinyi Ye , Yuhang Zang , Zhiguo Cao , Wei Li , Ziwei Liu

Digital imaging systems have traditionally relied on brute-force measurement and processing of pixels arranged on regular grids. In contrast, the human visual system performs significant data reduction from the large number of…

图像与视频处理 · 电气工程与系统科学 2025-03-25 Matheus Souza , Yidan Zheng , Kaizhang Kang , Yogeshwar Nath Mishra , Qiang Fu , Wolfgang Heidrich

Inference of latent feature models in the Bayesian nonparametric setting is generally difficult, especially in high dimensional settings, because it usually requires proposing features from some prior distribution. In special cases, where…

机器学习 · 统计学 2022-06-14 Michael Minyi Zhang , Sinead A. Williamson , Fernando Perez-Cruz

Despite recent progress, text-to-image models still struggle to generate semantically diverse and compositionally accurate multi-person interaction scenes, often collapsing to repetitive layouts, stereotypical poses, and poorly grounded…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Wenxuan Peng , Bharath Hariharan , Hadar Averbuch-Elor

We present a novel two-view geometry estimation framework which is based on a differentiable robust loss function fitting. We propose to treat the robust fundamental matrix estimation as an implicit layer, which allows us to avoid…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Vladislav Pyatov , Iaroslav Koshelev , Stamatis Lefkimmiatis

In this work, we introduce UniGS, a novel 3D Gaussian reconstruction and novel view synthesis model that predicts a high-fidelity representation of 3D Gaussians from arbitrary number of posed sparse-view images. Previous methods often…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Jiamin Wu , Kenkun Liu , Yukai Shi , Xiaoke Jiang , Yuan Yao , Lei Zhang

Pose estimation of an uncooperative space resident object is a key asset towards autonomy in close proximity operations. In this context monocular cameras are a valuable solution because of their low system requirements. However, the…

计算机视觉与模式识别 · 计算机科学 2022-06-24 Alessandro Lotti , Dario Modenini , Paolo Tortora , Massimiliano Saponara , Maria A. Perino

Novel view synthesis from a sparse set of input images is a challenging problem of great practical interest, especially when camera poses are absent or inaccurate. Direct optimization of camera poses and usage of estimated depths in neural…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Kaiwen Jiang , Yang Fu , Mukund Varma T , Yash Belhe , Xiaolong Wang , Hao Su , Ravi Ramamoorthi

We aim to simultaneously estimate the 3D articulated pose and high fidelity volumetric occupancy of human performance, from multiple viewpoint video (MVV) with as few as two views. We use a multi-channel symmetric 3D convolutional…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Andrew Gilbert , Matthew Trumble , Adrian Hilton , John Collomosse

While head-mounted devices are becoming more compact, they provide egocentric views with significant self-occlusions of the device user. Hence, existing methods often fail to accurately estimate complex 3D poses from egocentric views. In…

计算机视觉与模式识别 · 计算机科学 2024-05-16 Hiroyasu Akada , Jian Wang , Vladislav Golyanik , Christian Theobalt

Learning model-free object pose estimation for unseen instances remains a fundamental challenge in 3D vision. Existing methods typically fall into two disjoint paradigms: category-level approaches predict absolute poses in a canonical space…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Weihang Li , Lorenzo Garattoni , Fabien Despinoy , Nassir Navab , Benjamin Busam

In the weakly supervised temporal video grounding study, previous methods use predetermined single Gaussian proposals which lack the ability to express diverse events described by the sentence query. To enhance the expression ability of a…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Sunoh Kim , Jungchan Cho , Joonsang Yu , YoungJoon Yoo , Jin Young Choi

Accurate 3D mapping in endoscopy enables quantitative, holistic lesion characterization within the gastrointestinal (GI) tract, requiring reliable depth and pose estimation. However, endoscopy systems are monocular, and existing methods…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Ziang Xu , Bin Li , Yang Hu , Chenyu Zhang , James East , Sharib Ali , Jens Rittscher

The deep image prior was recently introduced as a prior for natural images. It represents images as the output of a convolutional network with random inputs. For "inference", gradient descent is performed to adjust network parameters to…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Zezhou Cheng , Matheus Gadelha , Subhransu Maji , Daniel Sheldon

Neural rendering has demonstrated remarkable success in high-quality 3D neural reconstruction and novel view synthesis with dense input views and accurate poses. However, applying it to extremely sparse, unposed views in unbounded 360{\deg}…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Chong Bao , Xiyu Zhang , Zehao Yu , Jiale Shi , Guofeng Zhang , Songyou Peng , Zhaopeng Cui