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State-of-the-art fully intrinsic networks for non-rigid shape matching often struggle to disambiguate the symmetries of the shapes leading to unstable correspondence predictions. Meanwhile, recent advances in the functional map framework…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Nicolas Donati , Etienne Corman , Maks Ovsjanikov

Current feed-forward 3D/4D reconstruction systems rely on dense geometry and pose supervision -- expensive to obtain at scale and particularly scarce for dynamic real-world scenes. We present Flow3r, a framework that augments visual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Zhongxiao Cong , Qitao Zhao , Minsik Jeon , Shubham Tulsiani

Recent vision-language pre-training models have exhibited remarkable generalization ability in zero-shot recognition tasks. Previous open-vocabulary 3D scene understanding methods mostly focus on training 3D models using either image or…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Ruihuang Li , Zhengqiang Zhang , Chenhang He , Zhiyuan Ma , Vishal M. Patel , Lei Zhang

Accurate 6D pose estimation and tracking are core capabilities for physical AI systems, yet real-world deployment remains brittle and labor-intensive. Many pipelines rely on CAD models, manual masking, or per-object adaptation, and still…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Yu Deng , Teng Cao , Hikaru Shindo , Quentin Delfosse , Jiahong Xue , Kristian Kersting

Modeling 4D scenes requires capturing both spatial structure and temporal motion, which is challenging due to the need for physically consistent representations of complex rigid and non-rigid motions. Existing approaches mainly rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Weidong Qiao , Wangmeng Zuo , Hui Li

Graph foundation models represent a transformative paradigm for learning transferable representations across diverse graph domains. Recent methods leverage large language models to unify graph and text modalities into a shared…

Machine Learning · Computer Science 2025-12-23 Heng Zhang , Tianyi Zhang , Yuling Shi , Xiaodong Gu , Yaomin Shen , Haochen You , Zijian Zhang , Yilei Yuan , Jin Huang

Accurate rotation estimation is at the heart of robot perception tasks such as visual odometry and object pose estimation. Deep neural networks have provided a new way to perform these tasks, and the choice of rotation representation is an…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Valentin Peretroukhin , Matthew Giamou , David M. Rosen , W. Nicholas Greene , Nicholas Roy , Jonathan Kelly

In this paper, we introduce an algorithm designed to address the problem of time-optimal formation reshaping in three-dimensional environments while preventing collisions between agents. The utility of the proposed approach is particularly…

Conventional low-rank adaptation methods build adapters without considering data context, leading to sub-optimal fine-tuning performance and severe forgetting of inherent world knowledge. In this paper, we propose context-oriented…

Machine Learning · Computer Science 2025-06-17 Yibo Yang , Sihao Liu , Chuan Rao , Bang An , Tiancheng Shen , Philip H. S. Torr , Ming-Hsuan Yang , Bernard Ghanem

Topology diagrams are widely seen in power system applications, but their automatic generation is often easier said than done. When facing power transmission systems with strongly-meshed structures, existing approaches can hardly produce…

Systems and Control · Electrical Eng. & Systems 2023-03-21 Jingyu Wang , Jinfu Chen , Dongyuan Shi , Xianzhong Duan

We present TrueRMA, a data-efficient, model-free method to learn cost-optimized robot trajectories over a wide range of starting points and endpoints. The key idea is to calculate trajectory waypoints in Cartesian space by recursively…

Robotics · Computer Science 2020-06-08 Jonas C. Kiemel , Pascal Meißner , Torsten Kröger

Recovering point clouds involves the sequential process of sampling and restoration, yet existing methods struggle to effectively leverage both topological and geometric attributes. To address this, we propose an end-to-end architecture…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Kaiyue Zhou , Zelong Tan , Hongxiao Wang , Ya-Li Li , Shengjin Wang

Latent generative models are increasingly shifting from traditional VAEs toward representation autoencoders and semantically aligned latent spaces, which lift images into higher-dimensional feature domains where semantic factors become more…

Optimization and Control · Mathematics 2025-12-02 Xu Duan , Dongmei Chen

Topological Data Analysis (TDA) is the collection of mathematical tools that capture the structure of shapes in data. Despite computational topology and computational geometry, the utilization of TDA in time series and signal processing is…

Information Retrieval · Computer Science 2018-10-23 Shafie Gholizadeh , Wlodek Zadrozny

We introduce SCORES, a recursive neural network for shape composition. Our network takes as input sets of parts from two or more source 3D shapes and a rough initial placement of the parts. It outputs an optimized part structure for the…

Graphics · Computer Science 2018-09-17 Chenyang Zhu , Kai Xu , Siddhartha Chaudhuri , Renjiao Yi , Hao Zhang

Data assimilation (DA) is a fundamental component of modern weather prediction, yet it remains a major computational bottleneck in machine learning (ML)-based forecasting pipelines due to reliance on traditional variational methods. Recent…

Machine Learning · Computer Science 2026-02-09 Ran Cheng , Lailai Zhu

Low-rank adaptation (LoRA) has emerged as a leading parameter-efficient fine-tuning technique for adapting large foundation models, yet it often locks adapters into suboptimal minima near their initialization. This hampers model…

Machine Learning · Computer Science 2025-07-29 Zhan Zhuang , Xiequn Wang , Wei Li , Yulong Zhang , Qiushi Huang , Shuhao Chen , Xuehao Wang , Yanbin Wei , Yuhe Nie , Kede Ma , Yu Zhang , Ying Wei

While current diffusion-based models, typically built on U-Net architectures, have shown promising results on the text-to-motion generation task, they still suffer from semantic misalignment and kinematic artifacts. Through analysis, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Haozhe Jia , Wenshuo Chen , Yuqi Lin , Yang Yang , Lei Wang , Mang Ning , Bowen Tian , Songning Lai , Nanqian Jia , Yifan Chen , Yutao Yue

There are a wide range of applications that involve multi-modal data, such as cross-modal retrieval, visual question-answering, and image captioning. Such applications are primarily dependent on aligned distributions of the different…

Machine Learning · Computer Science 2020-05-26 Vishaal Udandarao , Abhishek Maiti , Deepak Srivatsav , Suryatej Reddy Vyalla , Yifang Yin , Rajiv Ratn Shah

We present Autoregressive Representation Alignment (ARRA), a new training framework that unlocks global-coherent text-to-image generation in autoregressive LLMs without architectural modifications. Different from prior works that require…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Xing Xie , Jiawei Liu , Ziyue Lin , Huijie Fan , Zhi Han , Yandong Tang , Liangqiong Qu
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