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Generative motion prediction must satisfy three simultaneous requirements for real-world autonomy: high accuracy, diverse multimodal futures, and strictly bounded latency. Diffusion models meet the first two but violate the third, requiring…

Robotics · Computer Science 2026-04-30 Leandro Di Bella , Adrian Munteanu , Bruno Cornelis

We introduce specialized diffusion-based generative models that capture the spatiotemporal dynamics of fine-grained robotic surgical sub-stitch actions through supervised learning on annotated laparoscopic surgery footage. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Mehmet Kerem Turkcan , Mattia Ballo , Filippo Filicori , Zoran Kostic

Existing trajectory prediction methods exhibit significant performance degradation under distribution shifts during test time. Although test-time training techniques have been explored to enable adaptation, current approaches rely on an…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yuning Wang , Pu Zhang , Yuan He , Ke Wang , Jianru Xue

Text spotting, a task involving the extraction of textual information from image or video sequences, faces challenges in cross-domain adaption, such as image-to-image and image-to-video generalization. In this paper, we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Yuliang Liu , Mingxin Huang , Hao Yan , Linger Deng , Weijia Wu , Hao Lu , Chunhua Shen , Lianwen Jin , Xiang Bai

While recent Transformer-based approaches have shown impressive performances on event-based object detection tasks, their high computational costs still diminish the low power consumption advantage of event cameras. Image-based works…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yansong Peng , Hebei Li , Yueyi Zhang , Xiaoyan Sun , Feng Wu

World models aim to improve robotic decision making by predicting the consequences of actions. However, in practice, their predictions often become unreliable once the robot encounters states outside the training distribution, limiting…

Robotics · Computer Science 2026-05-18 Tuo An , Jindou Jia , Gen Li , Jingliang Li , Chuhao Zhou , Pengfei Liu , Bofan Lyu , Jiaqi Bai , Xinying Guo , Geng Li , Jianfei Yang

Recently, promptable segmentation models, such as the Segment Anything Model (SAM), have demonstrated robust zero-shot generalization capabilities on static images. These promptable models exhibit denoising abilities for imprecise prompt…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Tao Zhou , Wenhan Luo , Qi Ye , Zhiguo Shi , Jiming Chen

Nowadays unmanned aerial vehicles (UAVs) are being widely applied to a wealth of civil and military applications. Robust and high-throughput wireless communication is the crux of these UAV applications. Yet, air-to-ground links suffer from…

Networking and Internet Architecture · Computer Science 2019-10-22 Shiyue He , Wei Wang , Hang Yang , Yang Cao , Tao jiang , Qian Zhang

We aim to tackle a novel task in action detection - Online Detection of Action Start (ODAS) in untrimmed, streaming videos. The goal of ODAS is to detect the start of an action instance, with high categorization accuracy and low detection…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Zheng Shou , Junting Pan , Jonathan Chan , Kazuyuki Miyazawa , Hassan Mansour , Anthony Vetro , Xavier Giro-i-Nieto , Shih-Fu Chang

Temporal action segmentation is a topic of increasing interest, however, annotating each frame in a video is cumbersome and costly. Weakly supervised approaches therefore aim at learning temporal action segmentation from videos that are…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Mohsen Fayyaz , Juergen Gall

The ability to predict future outcomes given control actions is fundamental for physical reasoning. However, such predictive models, often called world models, remains challenging to learn and are typically developed for task-specific…

Robotics · Computer Science 2025-02-04 Gaoyue Zhou , Hengkai Pan , Yann LeCun , Lerrel Pinto

Vision-language-action (VLA) models remain constrained by the scarcity of action-labeled robot data, whereas action-free videos provide abundant evidence of how the physical world changes. Latent action models offer a promising way to…

Self-supervised pretraining methods with masked prediction demonstrate remarkable within-dataset performance in skeleton-based action recognition. However, we show that, unlike contrastive learning approaches, they do not produce…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Soroush Mehraban , Mohammad Javad Rajabi , Andrea Iaboni , Babak Taati

Learning robot policies using imitation learning requires collecting large amounts of costly action-labeled expert demonstrations, which fundamentally limits the scale of training data. A promising approach to address this bottleneck is to…

Robotics · Computer Science 2025-05-12 Anthony Liang , Pavel Czempin , Matthew Hong , Yutai Zhou , Erdem Biyik , Stephen Tu

Despite superior training outcomes, adaptive optimization methods such as Adam, Adagrad or RMSprop have been found to generalize poorly compared to Stochastic gradient descent (SGD). These methods tend to perform well in the initial portion…

Machine Learning · Computer Science 2017-12-21 Nitish Shirish Keskar , Richard Socher

This presentation introduces a self-supervised learning approach to the synthesis of new video clips from old ones, with several new key elements for improved spatial resolution and realism: It conditions the synthesis process on contextual…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Guillaume Le Moing , Jean Ponce , Cordelia Schmid

Temporal Action Detection (TAD) aims to identify and localize actions by determining their starting and ending frames within untrimmed videos. Recent Structured State-Space Models such as Mamba have demonstrated potential in TAD due to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Hui Lu , Yi Yu , Shijian Lu , Deepu Rajan , Boon Poh Ng , Alex C. Kot , Xudong Jiang

Leveraging future observation modeling to facilitate action generation presents a promising avenue for enhancing the capabilities of Vision-Language-Action (VLA) models. However, existing approaches struggle to strike a balance between…

Speech activity detection (SAD), which often rests on the fact that the noise is "more" stationary than speech, is particularly challenging in non-stationary environments, because the time variance of the acoustic scene makes it difficult…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-29 Jens Heitkaemper , Joerg Schmalenstroeer , Reinhold Haeb-Umbach

Reinforcement learning often produces high-frequency oscillatory control signals that undermine the safety and stability required for physical deployment. Explicit action chunking addresses this by predicting fixed-horizon trajectories but…

Robotics · Computer Science 2026-05-20 Bosun Liang , Shuo Pei , Zirui Chen , Chuanzhi Fan , Chen Sun , Yuankai Wu , Huachun Tan , Yong Wang