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Representation learning has become increasingly important, especially as powerful models have shifted towards learning latent representations before fine-tuning for downstream tasks. This approach is particularly valuable in leveraging the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Shizhe He , Magdalini Paschali , Jiahong Ouyang , Adnan Masood , Akshay Chaudhari , Ehsan Adeli

We introduce DoubleField, a novel framework combining the merits of both surface field and radiance field for high-fidelity human reconstruction and rendering. Within DoubleField, the surface field and radiance field are associated together…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Ruizhi Shao , Hongwen Zhang , He Zhang , Mingjia Chen , Yanpei Cao , Tao Yu , Yebin Liu

We characterize the class of image plane transformations which realize rigid camera motions and call these transformations `rigidity preserving'. In particular, 2D translations of pinhole images are not rigidity preserving. Hence, when…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Lucas Brynte , Georg Bökman , Axel Flinth , Fredrik Kahl

We present a novel method for reconstructing 3D objects from a single RGB image. Our method leverages the latest image generation models to infer the hidden 3D structure while remaining faithful to the input image. While existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Senthil Purushwalkam , Nikhil Naik

Neural fields excel in computer vision and robotics due to their ability to understand the 3D visual world such as inferring semantics, geometry, and dynamics. Given the capabilities of neural fields in densely representing a 3D scene from…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Muhammad Zubair Irshad , Sergey Zakharov , Vitor Guizilini , Adrien Gaidon , Zsolt Kira , Rares Ambrus

Differentiable volumetric rendering is a powerful paradigm for 3D reconstruction and novel view synthesis. However, standard volume rendering approaches struggle with degenerate geometries in the case of limited viewpoint diversity, a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Vitor Guizilini , Igor Vasiljevic , Jiading Fang , Rares Ambrus , Sergey Zakharov , Vincent Sitzmann , Adrien Gaidon

Fully-supervised category-level pose estimation aims to determine the 6-DoF poses of unseen instances from known categories, requiring expensive mannual labeling costs. Recently, various self-supervised category-level pose estimation…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Jingtao Sun , Yaonan Wang , Mingtao Feng , Chao Ding , Mike Zheng Shou , Ajmal Saeed Mian

This paper proposes a hybrid radiance field representation for unbounded immersive light field reconstruction which supports high-quality rendering and aggressive view extrapolation. The key idea is to first formally separate the foreground…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Xiaohang Yu , Haoxiang Wang , Yuqi Han , Lei Yang , Tao Yu , Qionghai Dai

Color is a crucial visual cue readily exploited by Convolutional Neural Networks (CNNs) for object recognition. However, CNNs struggle if there is data imbalance between color variations introduced by accidental recording conditions. Color…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Attila Lengyel , Ombretta Strafforello , Robert-Jan Bruintjes , Alexander Gielisse , Jan van Gemert

3D reassembly is a fundamental geometric problem, and in recent years it has increasingly been challenged by deep learning methods rather than classical optimization. While learning approaches have shown promising results, most still rely…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Adeela Islam , Stefano Fiorini , Manuel Lecha , Theodore Tsesmelis , Stuart James , Pietro Morerio , Alessio Del Bue

We present a SE(3)-equivariant graph neural network (GNN) approach that directly predicting the formation factor and effective permeability from micro-CT images. FFT solvers are established to compute both the formation factor and effective…

Machine learning has enabled the prediction of quantum chemical properties with high accuracy and efficiency, allowing to bypass computationally costly ab initio calculations. Instead of training on a fixed set of properties, more recent…

Latent 3D reconstruction has shown great promise in empowering 3D semantic understanding and 3D generation by distilling 2D features into the 3D space. However, existing approaches struggle with the domain gap between 2D feature space and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Chaoyi Zhou , Xi Liu , Feng Luo , Siyu Huang

The study of astronomical phenomena through ground-based observations is always challenged by the distorting effects of Earth's atmosphere. Traditional methods of post-facto image correction, essential for correcting these distortions,…

Instrumentation and Methods for Astrophysics · Physics 2024-08-14 A. Asensio Ramos

In human-centered environments such as restaurants, homes, and warehouses, robots often face challenges in accurately recognizing 3D objects. These challenges stem from the complexity and variability of these environments, including diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Songsong Xiong , Hamidreza Kasaei

In many imaging modalities, objects of interest can occur in a variety of locations and poses (i.e. are subject to translations and rotations in 2d or 3d), but the location and pose of an object does not change its semantics (i.e. the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Alireza Nasiri , Tristan Bepler

Depth estimation is a crucial step for 3D reconstruction with panorama images in recent years. Panorama images maintain the complete spatial information but introduce distortion with equirectangular projection. In this paper, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Chuanqing Zhuang , Zhengda Lu , Yiqun Wang , Jun Xiao , Ying Wang

We introduce a method for novel view synthesis given only a single wide-baseline stereo image pair. In this challenging regime, 3D scene points are regularly observed only once, requiring prior-based reconstruction of scene geometry and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Yilun Du , Cameron Smith , Ayush Tewari , Vincent Sitzmann

A truly generalizable approach to rigid segmentation and motion estimation is fundamental to 3D understanding of articulated objects and moving scenes. In view of the closely intertwined relationship between segmentation and motion…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Jia-Xing Zhong , Ta-Ying Cheng , Yuhang He , Kai Lu , Kaichen Zhou , Andrew Markham , Niki Trigoni

Semantic segmentation is an important branch of image processing and computer vision. With the popularity of deep learning, various convolutional neural networks have been proposed for pixel-level classification and segmentation tasks. In…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Xinyu Xu , Huazhen Liu , Tao Zhang , Huilin Xiong , Wenxian Yu
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