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Recent progress in neural implicit functions has set new state-of-the-art in reconstructing high-fidelity 3D shapes from a collection of images. However, these approaches are limited to closed surfaces as they require the surface to be…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Xiaoxu Meng , Weikai Chen , Bo Yang

Dynamic Neural Radiance Fields (NeRFs) achieve remarkable visual quality when synthesizing novel views of time-evolving 3D scenes. However, the common reliance on backward deformation fields makes reanimation of the captured object poses…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Lukas Uzolas , Elmar Eisemann , Petr Kellnhofer

Implicit neural representation is a recent approach to learn shape collections as zero level-sets of neural networks, where each shape is represented by a latent code. So far, the focus has been shape reconstruction, while shape…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Matan Atzmon , David Novotny , Andrea Vedaldi , Yaron Lipman

Humans have a strong intuitive understanding of the 3D environment around us. The mental model of the physics in our brain applies to objects of different materials and enables us to perform a wide range of manipulation tasks that are far…

机器人学 · 计算机科学 2021-11-15 Yunzhu Li , Shuang Li , Vincent Sitzmann , Pulkit Agrawal , Antonio Torralba

Rigorous crop counting is crucial for effective agricultural management and informed intervention strategies. However, in outdoor field environments, partial occlusions combined with inherent ambiguity in distinguishing clustered crops from…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Md Ahmed Al Muzaddid , William J. Beksi

While deep learning reshaped the classical motion capture pipeline with feed-forward networks, generative models are required to recover fine alignment via iterative refinement. Unfortunately, the existing models are usually hand-crafted or…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Shih-Yang Su , Frank Yu , Michael Zollhoefer , Helge Rhodin

We aim to obtain an interpretable, expressive, and disentangled scene representation that contains comprehensive structural and textural information for each object. Previous scene representations learned by neural networks are often…

计算机视觉与模式识别 · 计算机科学 2018-12-19 Shunyu Yao , Tzu Ming Harry Hsu , Jun-Yan Zhu , Jiajun Wu , Antonio Torralba , William T. Freeman , Joshua B. Tenenbaum

Deep learning is emerging as a new paradigm for solving inverse imaging problems. However, the deep learning methods often lack the assurance of traditional physics-based methods due to the lack of physical information considerations in…

图像与视频处理 · 电气工程与系统科学 2020-07-20 Dongdong Chen , Mike E. Davies

Real-world objects and environments are predominantly composed of edge features, including straight lines and curves. Such edges are crucial elements for various applications, such as CAD modeling, surface meshing, lane mapping, etc.…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Lei Li , Songyou Peng , Zehao Yu , Shaohui Liu , Rémi Pautrat , Xiaochuan Yin , Marc Pollefeys

Traditional methods for high-dimensional diffeomorphic mapping often struggle with the curse of dimensionality. We propose a mesh-free learning framework designed for $n$-dimensional mapping problems, seamlessly combining variational…

机器学习 · 计算机科学 2025-11-05 Zhiwen Li , Cheuk Hin Ho , Lok Ming Lui

In computer-aided design (CAD) systems, 2D line drawings are commonly used to illustrate 3D object designs. To reconstruct the 3D models depicted by a single 2D line drawing, an important key is finding the edge loops in the line drawing…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Kehan Wang , Jia Zheng , Zihan Zhou

Medical image segmentation is often considered as the task of labelling each pixel or voxel as being inside or outside a given anatomy. Processing the images at their original size and resolution often result in insuperable memory…

图像与视频处理 · 电气工程与系统科学 2025-04-28 Kristine Sørensen , Oscar Camara , Ole de Backer , Klaus Kofoed , Rasmus Paulsen

We present the first method capable of photorealistically reconstructing deformable scenes using photos/videos captured casually from mobile phones. Our approach augments neural radiance fields (NeRF) by optimizing an additional continuous…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Keunhong Park , Utkarsh Sinha , Jonathan T. Barron , Sofien Bouaziz , Dan B Goldman , Steven M. Seitz , Ricardo Martin-Brualla

We propose PartField, a feedforward approach for learning part-based 3D features, which captures the general concept of parts and their hierarchy without relying on predefined templates or text-based names, and can be applied to open-world…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Minghua Liu , Mikaela Angelina Uy , Donglai Xiang , Hao Su , Sanja Fidler , Nicholas Sharp , Jun Gao

This paper aims at recovering the shape of a scene with unknown, non-Lambertian, and possibly spatially-varying surface materials. When the shape of the object is highly complex and that shadows cast on the surface, the task becomes very…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Junxuan Li , Hongdong Li

Age estimation from facial images is typically cast as a label distribution learning or regression problem, since aging is a gradual progress. Its main challenge is the facial feature space w.r.t. ages is inhomogeneous, due to the large…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Wei Shen , Yilu Guo , Yan Wang , Kai Zhao , Bo Wang , Alan Yuille

In this paper, we address the challenge of decomposing Neural Radiance Fields (NeRF) into objects from an open vocabulary, a critical task for object manipulation in 3D reconstruction and view synthesis. Current techniques for NeRF…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Hao Zhang , Fang Li , Narendra Ahuja

Neural representations of 3D data have been widely adopted across various applications, particularly in recent work leveraging coordinate-based networks to model scalar or vector fields. However, these approaches face inherent challenges,…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Biao Zhang , Jing Ren , Peter Wonka

Interrupted X-ray computed tomography (X-CT) has been the common way to observe the deformation of materials during an experiment. While this approach is effective for quasi-static experiments, it has never been possible to reconstruct a…

仪器与探测器 · 物理学 2024-10-29 Ivan Grega , William F. Whitney , Vikram S. Deshpande

Estimating the pose of an object from a monocular image is an inverse problem fundamental in computer vision. The ill-posed nature of this problem requires incorporating deformation priors to solve it. In practice, many materials do not…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Oriol Barbany , Adrià Colomé , Carme Torras
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