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Multi-view implicit scene reconstruction methods have become increasingly popular due to their ability to represent complex scene details. Recent efforts have been devoted to improving the representation of input information and to reducing…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Edward J. Smith , Michal Drozdzal , Derek Nowrouzezahrai , David Meger , Adriana Romero-Soriano

We present a new end-to-end learning framework to obtain detailed and spatially coherent reconstructions of multiple people from a single image. Existing multi-person methods suffer from two main drawbacks: they are often model-based and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Armin Mustafa , Akin Caliskan , Lourdes Agapito , Adrian Hilton

Recent works have shown the promise of learning pre-trained models for 3D molecular representation. However, existing pre-training models focus predominantly on equilibrium data and largely overlook off-equilibrium conformations. It is…

Chemical Physics · Physics 2023-08-30 Rui Feng , Qi Zhu , Huan Tran , Binghong Chen , Aubrey Toland , Rampi Ramprasad , Chao Zhang

Recent learning-based approaches, in which models are trained by single-view images have shown promising results for monocular 3D face reconstruction, but they suffer from the ill-posed face pose and depth ambiguity issue. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Jiaxiang Shang , Tianwei Shen , Shiwei Li , Lei Zhou , Mingmin Zhen , Tian Fang , Long Quan

Existing displacement strategies in semi-supervised segmentation only operate on rectangular regions, ignoring anatomical structures and resulting in boundary distortions and semantic inconsistency. To address these issues, we propose UCAD,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Chengbo Ding , Fenghe Tang , Shaohua Kevin Zhou

We present an unsupervised learning approach to recover 3D human pose from 2D skeletal joints extracted from a single image. Our method does not require any multi-view image data, 3D skeletons, correspondences between 2D-3D points, or use…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Ching-Hang Chen , Ambrish Tyagi , Amit Agrawal , Dylan Drover , Rohith MV , Stefan Stojanov , James M. Rehg

Camouflaged Object Detection (COD), the task of identifying objects concealed within their environments, has seen rapid growth due to its wide range of practical applications. A key step toward developing trustworthy COD systems is the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Ziyue Yang , Kehan Wang , Yuhang Ming , Yong Peng , Han Yang , Qiong Chen , Wanzeng Kong

Three-dimensional (3D) freehand ultrasound (US) reconstruction without using any additional external tracking device has seen recent advances with deep neural networks (DNNs). In this paper, we first investigated two identified contributing…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Qi Li , Ziyi Shen , Qian Li , Dean C. Barratt , Thomas Dowrick , Matthew J. Clarkson , Tom Vercauteren , Yipeng Hu

This paper explores the transfer of knowledge from general vision models pretrained on 2D natural images to improve 3D medical image segmentation. We focus on the semi-supervised setting, where only a few labeled 3D medical images are…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Pak-Hei Yeung , Jayroop Ramesh , Pengfei Lyu , Ana Namburete , Jagath Rajapakse

Most machine learning techniques are based upon statistical learning theory, often simplified for the sake of computing speed. This paper is focused on the uncertainty aspect of mathematical modeling in machine learning. Regression analysis…

Machine Learning · Computer Science 2022-06-07 Valentin Arkov

Anomaly detection in medical images is challenging due to limited annotations and a domain gap compared to natural images. Existing reconstruction methods often rely on frozen pre-trained encoders, which limits adaptation to domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Luhu Li , Bowen Lin , Mukhtiar Khan , Shujun Fu

Our work learns a unified model for single-view 3D reconstruction of objects from hundreds of semantic categories. As a scalable alternative to direct 3D supervision, our work relies on segmented image collections for learning 3D of generic…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Kalyan Vasudev Alwala , Abhinav Gupta , Shubham Tulsiani

With the wide development of black-box machine learning algorithms, particularly deep neural network (DNN), the practical demand for the reliability assessment is rapidly rising. On the basis of the concept that `Bayesian deep learning…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Kenta Hama , Takashi Matsubara , Kuniaki Uehara , Jianfei Cai

We present a unified framework tackling two problems: class-specific 3D reconstruction from a single image, and generation of new 3D shape samples. These tasks have received considerable attention recently; however, most existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Paul Henderson , Vittorio Ferrari

We propose a framework that can deform an object in a 2D image as it exists in 3D space. Most existing methods for 3D-aware image manipulation are limited to (1) only changing the global scene information or depth, or (2) manipulating an…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jihyun Lee , Minhyuk Sung , Hyunjin Kim , Tae-Kyun Kim

Monocular depth prediction plays a crucial role in understanding 3D scene geometry. Although recent methods have achieved impressive progress in terms of evaluation metrics such as the pixel-wise relative error, most methods neglect the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Wei Yin , Yifan Liu , Chunhua Shen

While deep neural network (DNN)-based perception models are useful for many applications, these models are black boxes and their outputs are not yet well understood. To confidently enable a real-world, decision-making system to utilize such…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Sara Pohland , Claire Tomlin

3D content creation is referred to as one of the most fundamental tasks of computer graphics. And many 3D modeling algorithms from 2D images or curves have been developed over the past several decades. Designers are allowed to align some…

Graphics · Computer Science 2018-06-25 Zhongping Ji , Xiao Qi , Yigang Wang , Gang Xu , Peng Du , Qing Wu

The process of 3D scene reconstruction can be affected by numerous uncertainty sources in real-world scenes. While Neural Radiance Fields (NeRFs) and 3D Gaussian Splatting (GS) achieve high-fidelity rendering, they lack built-in mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Marcus Klasson , Riccardo Mereu , Juho Kannala , Arno Solin

Input space reconstruction is an attractive representation learning paradigm. Despite interpretability of the reconstruction and generation, we identify a misalignment between learning by reconstruction, and learning for perception. We show…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Randall Balestriero , Yann LeCun