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In this paper, we present PRISM, a Promptable and Robust Interactive Segmentation Model, aiming for precise segmentation of 3D medical images. PRISM accepts various visual inputs, including points, boxes, and scribbles as sparse prompts, as…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Hao Li , Han Liu , Dewei Hu , Jiacheng Wang , Ipek Oguz

Hyperspectral imaging is an advanced technique for precisely identifying and analyzing materials or objects. However, its integration with robotic grasping systems has so far been explored due to the deployment complexities and prohibitive…

Robotics · Computer Science 2025-12-08 Zheng Sun , Zhipeng Dong , Shixiong Wang , Zhongyi Chu , Fei Chen

Scaling LLM-based embodied agents from text-only environments to complex multimodal settings remains a major challenge. Recent work identifies a perception-reasoning-decision gap in standalone Vision-Language Models (VLMs), which often…

Artificial Intelligence · Computer Science 2026-05-08 Mohamed Salim Aissi , Clemence Grislain , Clement Romac , Laure Soulier , Mohamed Chetouani , Olivier Sigaud , Nicolas Thome

Model-based planning in robotic domains is challenged by the hybrid nature of physical dynamics, where continuous motion is punctuated by discrete events such as contacts and impacts. Conventional latent world models typically employ…

Artificial Intelligence · Computer Science 2026-05-14 Mingwei Li , Xiaoyuan Zhang , Chengwei Yang , Zilong Zheng , Yaodong Yang

Video dataset condensation aims to reduce the immense computational cost of video processing. However, it faces a fundamental challenge regarding the inseparable interdependence between spatial appearance and temporal dynamics. Prior work…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jaehyun Choi , Jiwan Hur , Gyojin Han , Jaemyung Yu , Junmo Kim

Achieving real-time Simultaneous Localization and Mapping (SLAM) based on 3D Gaussian splatting (3DGS) in large-scale real-world environments remains challenging, as existing methods still struggle to jointly achieve low-latency pose…

This study presents PRISM, a probabilistic simplex component analysis approach to identifying the vertices of a data-circumscribing simplex from data. The problem has a rich variety of applications, the most notable being hyperspectral…

Signal Processing · Electrical Eng. & Systems 2022-02-16 Ruiyuan Wu , Wing-Kin Ma , Yuening Li , Anthony Man-Cho So , Nicholas D. Sidiropoulos

Many modern simultaneous localization and mapping (SLAM) techniques rely on sparse landmark-based maps due to their real-time performance. However, these techniques frequently assert that these landmarks are fixed in position over time,…

Robotics · Computer Science 2020-08-04 Samuel Bateman , Kyle Harlow , Christoffer Heckman

Developing reliable and generalizable deep learning systems for medical imaging faces significant obstacles due to spurious correlations, data imbalances, and limited text annotations in datasets. Addressing these challenges requires…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Amar Kumar , Anita Kriz , Mohammad Havaei , Tal Arbel

PRAM puts agent-based models on a sound probabilistic footing as a basis for integrating agent-based and probabilistic models. It extends the themes of probabilistic relational models and lifted inference to incorporate dynamical models and…

Artificial Intelligence · Computer Science 2019-02-18 Paul Cohen

Simultaneous localization and mapping (SLAM) systems with novel view synthesis capabilities are widely used in computer vision, with applications in augmented reality, robotics, and autonomous driving. However, existing approaches are…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Vladimir Yugay , Theo Gevers , Martin R. Oswald

Scene graphs have emerged as accurate descriptive priors for image generation and manipulation tasks, however, their complexity and diversity of the shapes and relations of objects in data make it challenging to incorporate them into the…

Machine Learning · Computer Science 2023-11-07 Pavel Jahoda , Azade Farshad , Yousef Yeganeh , Ehsan Adeli , Nassir Navab

Accurately retrieving images that are semantically similar remains a fundamental challenge in computer vision, as traditional methods often fail to capture the relational and contextual nuances of a scene. We introduce PRISm (Pruning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Dimitrios Georgoulopoulos , Nikolaos Chaidos , Angeliki Dimitriou , Giorgos Stamou

We propose PRISM, a novel framework designed to overcome the limitations of 2D-based Preference-Based Reinforcement Learning (PBRL) by unifying 3D point cloud modeling and future-aware preference refinement. At its core, PRISM adopts a 3D…

Computation and Language · Computer Science 2025-03-20 Yirong Sun , Yanjun Chen

Generative sequence modeling faces a fundamental tension between the expressivity of Transformers and the efficiency of linear sequence models. Existing efficient architectures are theoretically bounded by shallow, single-step linear…

Machine Learning · Computer Science 2026-02-13 Jie Jiang , Ke Cheng , Xin Xu , Mengyang Pang , Tianhao Lu , Jiaheng Li , Yue Liu , Yuan Wang , Jun Zhang , Huan Yu , Zhouchen Lin

The ability to construct concise scene representations from sensor input is central to the field of robotics. This paper addresses the problem of robustly creating a 3D representation of a tabletop scene from a segmented RGB-D image. These…

Robotics · Computer Science 2024-03-15 Herbert Wright , Weiming Zhi , Matthew Johnson-Roberson , Tucker Hermans

Diffusion models are now commonly used to solve inverse problems in computational imaging. However, most diffusion-based inverse solvers require complete knowledge of the forward operator to be used. In this work, we introduce a novel…

Image and Video Processing · Electrical Eng. & Systems 2025-09-22 Yuanyun Hu , Evan Bell , Guijin Wang , Yu Sun

The ability to estimate rich geometry and camera motion from monocular imagery is fundamental to future interactive robotics and augmented reality applications. Different approaches have been proposed that vary in scene geometry…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Jan Czarnowski , Tristan Laidlow , Ronald Clark , Andrew J. Davison

Programmatic video generation through code offers geometric precision and temporal coherence beyond pixel-level diffusion models, yet rigorously evaluating whether language models can produce spatially correct animated outputs remains an…

Artificial Intelligence · Computer Science 2026-05-20 Qiran Zhang , Yuheng Wang , Runde Yang , Lin Wu , Jingru Fan , Shu Yao , Jie Zhang , Tianle Zhou , Huatao Li , Ruijie Shi , Yihan Li , Chen Qian

Agent-based modelling is a valuable approach for systems whose behaviour is driven by the interactions between distinct entities. They have shown particular promise as a means of modelling crowds of people in streets, public transport…

Multiagent Systems · Computer Science 2020-04-30 Nick Malleson , Kevin Minors , Le-Minh Kieu , Jonathan A. Ward , Andrew A. West , Alison Heppenstall