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Related papers: ShapeFlow: Learnable Deformations Among 3D Shapes

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Designing physical artifacts that serve a purpose - such as tools and other functional structures - is central to engineering as well as everyday human behavior. Though automating design has tremendous promise, general-purpose methods do…

Shape servoing, a robotic task dedicated to controlling objects to desired goal shapes, is a promising approach to deformable object manipulation. An issue arises, however, with the reliance on the specification of a goal shape. This goal…

Robotics · Computer Science 2023-09-27 Bao Thach , Tanner Watts , Shing-Hei Ho , Tucker Hermans , Alan Kuntz

Sampling useful three-dimensional molecular structures along with their most favorable conformations is a key challenge in drug discovery. Current state-of-the-art 3D de-novo design flow matching or diffusion-based models are limited to…

Machine Learning · Computer Science 2025-11-24 Riccardo Tedoldi , Ola Engkvist , Patrick Bryant , Hossein Azizpour , Jon Paul Janet , Alessandro Tibo

This paper introduces a generative model for 3D surfaces based on a representation of shapes with mean curvature and metric, which are invariant under rigid transformation. Hence, compared with existing 3D machine learning frameworks, our…

Graphics · Computer Science 2020-09-08 Zi Ye , Nobuyuki Umetani , Takeo Igarashi , Tim Hoffmann

Neural shape models can represent complex 3D shapes with a compact latent space. When applied to dynamically deforming shapes such as the human hands, however, they would need to preserve temporal coherence of the deformation as well as the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Binbin Xu , Lingni Ma , Yuting Ye , Tanner Schmidt , Christopher D. Twigg , Steven Lovegrove

Deep learning has enabled remarkable improvements in grasp synthesis for previously unseen objects from partial object views. However, existing approaches lack the ability to explicitly reason about the full 3D geometry of the object when…

Robotics · Computer Science 2020-03-19 Mark Van der Merwe , Qingkai Lu , Balakumar Sundaralingam , Martin Matak , Tucker Hermans

We propose a novel shape representation useful for analyzing and processing shape collections, as well for a variety of learning and inference tasks. Unlike most approaches that capture variability in a collection by using a template model…

Graphics · Computer Science 2018-06-13 Ruqi Huang , Panos Achlioptas , Leonidas Guibas , Maks Ovsjanikov

Many real-world applications of flow-based generative models desire a diverse set of samples that cover multiple modes of the target distribution. However, the predominant approach for obtaining diverse sets is not sample-efficient, as it…

Machine Learning · Computer Science 2025-04-11 Mashrur M. Morshed , Vishnu Boddeti

Conventional subtractive manufacturing inevitably involves material loss during geometric realization, while additive manufacturing still suffers from limitations in surface quality, process continuity, and productivity when fabricating…

Robotics · Computer Science 2026-01-12 Lei Li , Jiale Gong , Ziyang Li , Hong Wang

Establishing character shape correspondence is a critical and fundamental task in computer vision and graphics, with diverse applications including re-topology, attribute transfer, and shape interpolation. Current dominant functional map…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Haolin Liu , Xiaohang Zhan , Zizheng Yan , Zhongjin Luo , Yuxin Wen , Xiaoguang Han

Unsupervised learning of object-centric representations in dynamic visual scenes is challenging. Unlike most previous approaches that learn to decompose 2D images, we present DynaVol, a 3D scene generative model that unifies geometric…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Yanpeng Zhao , Siyu Gao , Yunbo Wang , Xiaokang Yang

Fish swim by undulating their bodies. These propulsive motions require coordinated shape changes of a body that interacts with its fluid environment, but the specific shape coordination that leads to robust turning and swimming motions…

Quantitative Methods · Quantitative Biology 2021-05-19 Yusheng Jiao , Feng Ling , Sina Heydari , Nicolas Heess , Josh Merel , Eva Kanso

Developable surfaces are commonly observed in various applications such as architecture, product design, manufacturing, mechanical materials, and data physicalization as well as in the development of tangible interaction and deformable…

Graphics · Computer Science 2023-06-16 Chao Yuan , Nan Cao , Yang Shi

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…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Minghua Liu , Mikaela Angelina Uy , Donglai Xiang , Hao Su , Sanja Fidler , Nicholas Sharp , Jun Gao

We propose a simple, interpretable framework for solving a wide range of image reconstruction problems such as denoising and deconvolution. Given a corrupted input image, the model synthesizes a spatially varying linear filter which, when…

Image and Video Processing · Electrical Eng. & Systems 2018-11-29 Shu Kong , Charless Fowlkes

Self-supervised representation learning is able to learn semantically meaningful features; however, much of its recent success relies on multiple crops of an image with very few objects. Instead of learning view-invariant representation…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Yuwen Xiong , Mengye Ren , Wenyuan Zeng , Raquel Urtasun

State-of-the-art neural network models estimate large displacement optical flow in multi-resolution and use warping to propagate the estimation between two resolutions. Despite their impressive results, it is known that there are two…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Yao Lu , Jack Valmadre , Heng Wang , Juho Kannala , Mehrtash Harandi , Philip H. S. Torr

Existing 3D surface representation approaches are unable to accurately classify pixels and their orientation lying on the boundary of an object. Thus resulting in coarse representations which usually require post-processing steps to extract…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Mateusz Michalkiewicz , Jhony K. Pontes , Dominic Jack , Mahsa Baktashmotlagh , Anders Eriksson

The shape of objects is an important source of visual information in a wide range of applications. One of the core challenges of shape quantification is to ensure that the extracted measurements remain invariant to transformations that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Anna Foix Romero , Craig Russell , Alexander Krull , Virginie Uhlmann

Continual learning has been extensively studied for classification tasks with methods developed to primarily avoid catastrophic forgetting, a phenomenon where earlier learned concepts are forgotten at the expense of more recent samples. In…

Machine Learning · Computer Science 2022-09-12 Anh Thai , Stefan Stojanov , Zixuan Huang , Isaac Rehg , James M. Rehg