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We propose a novel scene flow estimation approach to capture and infer 3D motions from point clouds. Estimating 3D motions for point clouds is challenging, since a point cloud is unordered and its density is significantly non-uniform. Such…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Bing Li , Cheng Zheng , Silvio Giancola , Bernard Ghanem

Despite the promising performance of state space models (SSMs) in long sequence modeling, limitations still exist. Advanced SSMs like S5 and S6 (Mamba) in addressing non-uniform sampling, their recursive structures impede efficient SSM…

机器学习 · 计算机科学 2024-06-11 Biqing Qi , Junqi Gao , Kaiyan Zhang , Dong Li , Jianxing Liu , Ligang Wu , Bowen Zhou

State Space Models (SSMs) show significant potential for long-sequence modeling, but their reliance on input order conflicts with the irregular nature of point clouds. Existing approaches often rely on predefined serialization schemes whose…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Bin Liu , Chunyang Wang , Xuelian Liu , Ge Zhang

Today, state-of-the-art deep neural networks that process event-camera data first convert a temporal window of events into dense, grid-like input representations. As such, they exhibit poor generalizability when deployed at higher inference…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Nikola Zubić , Mathias Gehrig , Davide Scaramuzza

State Space Models (SSMs) have emerged as a potent tool in sequence modeling tasks in recent years. These models approximate continuous systems using a set of basis functions and discretize them to handle input data, making them well-suited…

机器学习 · 计算机科学 2024-07-16 Jiaxi Hu , Disen Lan , Ziyu Zhou , Qingsong Wen , Yuxuan Liang

Human trajectory forecasting is crucial for safe navigation in crowded environments, requiring models that balance accuracy with computational efficiency. Efficiently modeling social interactions is key to performance in dense crowds. Yet,…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Po-Chien Luan , Wuyang Li , Yang Gao , Alexandre Alahi

A key open challenge in off-road autonomy is that the traversability of terrain often depends on the vehicle's state. In particular, some obstacles are only traversable from some orientations. However, learning this interaction by encoding…

State-space models (SSMs), particularly the Mamba architecture, have emerged as powerful alternatives to Transformers for sequence modeling, offering linear-time complexity and competitive performance across diverse tasks. However, their…

机器学习 · 计算机科学 2025-09-30 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Image generative models have made significant progress in generating realistic and diverse images, supported by comprehensive guidance from various evaluation metrics. However, current video generative models struggle to generate even short…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Pum Jun Kim , Seojun Kim , Jaejun Yoo

Emerging applications of machine learning in numerous areas involve continuous gathering of and learning from streams of data. Real-time incorporation of streaming data into the learned models is essential for improved inference in these…

机器学习 · 计算机科学 2020-12-01 Matthew Nokleby , Haroon Raja , Waheed U. Bajwa

Salient object detection (SOD) requires modeling both long-range contextual dependencies and fine-grained structural details, which remains challenging for convolutional, transformer-based, and Mamba-based state space models. While recent…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Suklav Ghosh , Arijit Sur , Pinaki Mitra

Recently, Mamba-based methods have demonstrated impressive performance in point cloud representation learning by leveraging State Space Model (SSM) with the efficient context modeling ability and linear complexity. However, these methods…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Chuxin Wang , Yixin Zha , Wenfei Yang , Tianzhu Zhang

Dynamic network reconstruction has been shown to be challenging due to the requirements on sparse network structures and network identifiability. The direct parametric method (e.g., using ARX models) requires a large amount of parameters in…

系统与控制 · 计算机科学 2018-11-22 Zuogong Yue , Johan Thunberg , Lennart Ljung , Jorge Goncalves

We present STORM (Search-Guided Generative World Models), a novel framework for spatio-temporal reasoning in robotic manipulation that unifies diffusion-based action generation, conditional video prediction, and search-based planning.…

机器人学 · 计算机科学 2025-12-23 Wenjun Lin , Jensen Zhang , Kaitong Cai , Keze Wang

Place recognition is the foundation for enabling autonomous systems to achieve independent decision-making and safe operations. It is also crucial in tasks such as loop closure detection and global localization within SLAM. Previous methods…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Qiuchi Xiang , Jintao Cheng , Jiehao Luo , Jin Wu , Rui Fan , Xieyuanli Chen , Xiaoyu Tang

Access to raw network traffic data is essential for many computer networking tasks, from traffic modeling to performance evaluation. Unfortunately, this data is scarce due to high collection costs and governance rules. Previous efforts…

网络与互联网体系结构 · 计算机科学 2026-01-22 Andrew Chu , Xi Jiang , Shinan Liu , Arjun Bhagoji , Francesco Bronzino , Paul Schmitt , Nick Feamster

Understanding human motion from video is essential for a range of applications, including pose estimation, mesh recovery and action recognition. While state-of-the-art methods predominantly rely on transformer-based architectures, these…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Arnab Kumar Mondal , Stefano Alletto , Denis Tome

We introduce a new framework to analyze shape descriptors that capture the geometric features of an ensemble of point clouds. At the core of our approach is the point of view that the data arises as sampled recordings from a metric…

统计理论 · 数学 2024-09-11 Anne van Delft , Andrew J. Blumberg

We introduce a novel state-space model (SSM)-based framework for skeleton-based human action recognition, with an anatomically-guided architecture that improves state-of-the-art performance in both clinical diagnostics and general action…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Niki Martinel , Mariano Serrao , Christian Micheloni

Existing point cloud modeling datasets primarily express the modeling precision by pose or trajectory precision rather than the point cloud modeling effect itself. Under this demand, we first independently construct a set of LiDAR system…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Changjie Qiu , Zhiyong Wang , Xiuhong Lin , Yu Zang , Cheng Wang , Weiquan Liu