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In point-based sensing systems such as coordinate measuring machines (CMM) and laser ultrasonics where complete sensing is impractical due to the high sensing time and cost, adaptive sensing through a systematic exploration is vital for…

Machine Learning · Statistics 2019-10-08 Hao Yan , Kamran Paynabar , Jianjun Shi

High-dimensional manipulator operation in unstructured environments requires a differentiable, scene-agnostic distance query mechanism to guide safe motion generation. Existing geometric collision checkers are typically non-differentiable,…

Robotics · Computer Science 2026-03-20 Haohua Chen , Yixuan Zhou , Yifan Zhou , Hesheng Wang

Accurate and interpretable motion planning is essential for autonomous vehicles (AVs) navigating complex and uncertain environments. While recent end-to-end occupancy prediction methods have improved environmental understanding, they…

Robotics · Computer Science 2025-06-09 Shuqi Shen , Junjie Yang , Hongliang Lu , Hui Zhong , Qiming Zhang , Xinhu Zheng

Accurate and efficient environment representation is crucial for robotic applications such as motion planning, manipulation, and navigation. Signed distance functions (SDFs) have emerged as a powerful representation for encoding distance to…

Robotics · Computer Science 2026-04-01 Zhirui Dai , Tianxing Fan , Mani Amani , Jaemin Seo , Ki Myung Brian Lee , Hyondong Oh , Nikolay Atanasov

This paper addresses the problem of affordance grounding from RGBD images of an object, which aims to localize surface regions corresponding to a text query that describes an action on the object. While existing methods predict affordance…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Chunghyun Park , Seunghyeon Lee , Minsu Cho

We present Advancing Front Mapping (AFM), a provably robust algorithm for the computation of surface mappings to simple base domains. Given an input mesh and a convex or star-shaped target domain, AFM installs a (possibly refined) version…

Computational Geometry · Computer Science 2024-01-08 Marco Livesu

Terrain, representing features of an earth surface, plays a crucial role in many applications such as simulations, route planning, analysis of surface dynamics, computer graphics-based games, entertainment, films, to name a few. With recent…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Ashish Kubade , Diptiben Patel , Avinash Sharma , K. S. Rajan

Recently, adversarial-based domain adaptive object detection (DAOD) methods have been developed rapidly. However, there are two issues that need to be resolved urgently. Firstly, numerous methods reduce the distributional shifts only by…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Chengyang Liang , Zixiang Zhao , Junmin Liu , Jiangshe Zhang

Accurate and physically consistent modeling of Earth system dynamics requires machine-learning architectures that operate directly on continuous geophysical fields and preserve their underlying geometric structure. Here we introduce…

Machine Learning · Computer Science 2025-12-24 Maximilian Witte , Johannes Meuer , Étienne Plésiat , Christopher Kadow

Indoor scenes we are living in are visually homogenous or textureless, while they inherently have structural forms and provide enough structural priors for 3D scene reconstruction. Motivated by this fact, we propose a structure-aware online…

Robotics · Computer Science 2024-03-26 Jaehoon Jang , Inha Lee , Minje Kim , Kyungdon Joo

While Signed Distance Fields (SDF) are well-established for modeling watertight surfaces, Unsigned Distance Fields (UDF) broaden the scope to include open surfaces and models with complex inner structures. Despite their flexibility, UDFs…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Cheng Xu , Fei Hou , Wencheng Wang , Hong Qin , Zhebin Zhang , Ying He

Identifying robust and accurate correspondences across images is a fundamental problem in computer vision that enables various downstream tasks. Recent semi-dense matching methods emphasize the effectiveness of fusing relevant cross-view…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Hongkai Chen , Zixin Luo , Yurun Tian , Xuyang Bai , Ziyu Wang , Lei Zhou , Mingmin Zhen , Tian Fang , David McKinnon , Yanghai Tsin , Long Quan

This research presents ADOD, a novel approach to address domain generalization in underwater object detection. Our method enhances the model's ability to generalize across diverse and unseen domains, ensuring robustness in various…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Lyes Saad Saoud , Zhenwei Niu , Atif Sultan , Lakmal Seneviratne , Irfan Hussain

Anomaly Detection (AD) on medical images enables a model to recognize any type of anomaly pattern without lesion-specific supervised learning. Data augmentation based methods construct pseudo-healthy images by "pasting" fake lesions on real…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Haote Xu , Yunlong Zhang , Liyan Sun , Chenxin Li , Yue Huang , Xinghao Ding

We propose Deep Estimators of Features (DEFs), a learning-based framework for predicting sharp geometric features in sampled 3D shapes. Differently from existing data-driven methods, which reduce this problem to feature classification, we…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Albert Matveev , Ruslan Rakhimov , Alexey Artemov , Gleb Bobrovskikh , Vage Egiazarian , Emil Bogomolov , Daniele Panozzo , Denis Zorin , Evgeny Burnaev

The basic problem of shape complementarity analysis appears fundamental to applications as diverse as mechanical design, assembly automation, robot motion planning, micro- and nano-fabrication, protein-ligand binding, and rational drug…

Computational Geometry · Computer Science 2017-12-05 Morad Behandish , Horea T. Ilies

Local features and contextual dependencies are crucial for 3D point cloud analysis. Many works have been devoted to designing better local convolutional kernels that exploit the contextual dependencies. However, current point convolutions…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Yong He , Hongshan Yu , Zhengeng Yang , Wei Sun , Mingtao Feng , Ajmal Mian

Human attention mechanisms often work in a top-down manner, yet it is not well explored in vision research. Here, we propose the Top-Down Attention Framework (TDAF) to capture top-down attentions, which can be easily adopted in most…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Bo Pang , Yizhuo Li , Jiefeng Li , Muchen Li , Hanwen Cao , Cewu Lu

Representing 3D scenes from multiview images is a core challenge in computer vision and graphics, which requires both precise rendering and accurate reconstruction. Recently, 3D Gaussian Splatting (3DGS) has garnered significant attention…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 You Shen , Zhipeng Zhang , Xinyang Li , Yansong Qu , Yu Lin , Shengchuan Zhang , Liujuan Cao

Dense random sampling and surfacing of shapes encoded via implicit occupancy functions (OFs) are critical elements of many applications. Existing methods largely provide either one or the other of random sampling or mesh surfaces: ray…

Graphics · Computer Science 2026-05-06 Suzuran Takikawa , Leo Foord-Kelcey , Oliver Oxford , Nicholas Vining , Alla Sheffer