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3D anomaly detection targets the detection and localization of defects in 3D point clouds trained solely on normal data. While a unified model improves scalability by learning across multiple categories, it often suffers from Inter-Category…

计算机视觉与模式识别 · 计算机科学 2026-03-27 SuYeon Kim , Wongyu Lee , MyeongAh Cho

Simultaneous Localization and Mapping (SLAM) is a foundational component in robotics, AR/VR, and autonomous systems. With the rising focus on spatial AI in recent years, combining SLAM with semantic understanding has become increasingly…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Jisang Yoo , Gyeongjin Kang , Hyun-kyu Ko , Hyeonwoo Yu , Eunbyung Park

Graph-based representations such as Scene Graphs enable localization in structured indoor environments by matching a locally observed graph, constructed from sensor data, to a prior map. This process is particularly challenging in…

Most of the state-of-the-art indirect visual SLAM methods are based on the sparse point features. However, it is hard to find enough reliable point features for state estimation in the case of low-textured scenes. Line features are abundant…

机器人学 · 计算机科学 2021-02-16 Xin Ma , Xinwu Liang

LiDAR sensors are a powerful tool for robot simultaneous localization and mapping (SLAM) in unknown environments, but the raw point clouds they produce are dense, computationally expensive to store, and unsuited for direct use by downstream…

机器人学 · 计算机科学 2022-10-03 Adam Dai , Greg Lund , Grace Gao

The assumption of scene rigidity is common in visual SLAM algorithms. However, it limits their applicability in populated real-world environments. Furthermore, most scenarios including autonomous driving, multi-robot collaboration and…

机器人学 · 计算机科学 2020-10-16 Berta Bescos , Carlos Campos , Juan D. Tardós , José Neira

Abstract representations of 3D scenes play a crucial role in computer vision, enabling a wide range of applications such as mapping, localization, surface reconstruction, and even advanced tasks like SLAM and rendering. Among these…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Chenggang Yang , Yuang Shi

The SLAM problem is known to have a special property that when robot orientation is known, estimating the history of robot poses and feature locations can be posed as a standard linear least squares problem. In this work, we develop a SLAM…

机器人学 · 计算机科学 2016-09-20 Saurav Agarwal , Vikram Shree , Suman Chakravorty

General scene understanding for robotics requires flexible semantic representation, so that novel objects and structures which may not have been known at training time can be identified, segmented and grouped. We present an algorithm which…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Kirill Mazur , Edgar Sucar , Andrew J. Davison

This letter proposes a method of global localization on a map with semantic object landmarks. One of the most promising approaches for localization on object maps is to use semantic graph matching using landmark descriptors calculated from…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Shigemichi Matsuzaki , Kazuhito Tanaka , Kazuhiro Shintani

Bundle adjustment plays a vital role in feature-based monocular SLAM. In many modern SLAM pipelines, bundle adjustment is performed to estimate the 6DOF camera trajectory and 3D map (3D point cloud) from the input feature tracks. However,…

计算机视觉与模式识别 · 计算机科学 2020-02-24 Álvaro Parra , Tat-Jun Chin , Anders Eriksson , Ian Reid

Simultaneous Localization and Mapping (SLAM) systems are fundamental building blocks for any autonomous robot navigating in unknown environments. The SLAM implementation heavily depends on the sensor modality employed on the mobile…

机器人学 · 计算机科学 2022-03-25 Luca Di Giammarino , Leonardo Brizi , Tiziano Guadagnino , Cyrill Stachniss , Giorgio Grisetti

Vision-based localization in a prior map is of crucial importance for autonomous vehicles. Given a query image, the goal is to estimate the camera pose corresponding to the prior map, and the key is the registration problem of camera images…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Xingyu Chen , Jianru Xue , Shanmin Pang

We present an approach for recognizing all objects in a scene and estimating their full pose from an accurate 3D instance-aware semantic reconstruction using an RGB-D camera. Our framework couples convolutional neural networks (CNNs) and a…

机器人学 · 计算机科学 2019-10-01 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

We present a technique for simultaneous 3D reconstruction of static regions and rigidly moving objects in a scene. An RGB-D frame is represented as a collection of features, which are points and planes. We classify the features into static…

计算机视觉与模式识别 · 计算机科学 2018-02-14 Sergio Caccamo , Esra Ataer-Cansizoglu , Yuichi Taguchi

Most classical SLAM systems rely on the static scene assumption, which limits their applicability in real world scenarios. Recent SLAM frameworks have been proposed to simultaneously track the camera and moving objects. However they are…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Mathieu Gonzalez , Eric Marchand , Amine Kacete , Jérôme Royan

Existing deep learning-based approaches for monocular 3D object detection in autonomous driving often model the object as a rotated 3D cuboid while the object's geometric shape has been ignored. In this work, we propose an approach for…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Zongdai Liu , Dingfu Zhou , Feixiang Lu , Jin Fang , Liangjun Zhang

Surgical image segmentation is highly challenging, primarily due to scarcity of annotated data. Generalist prompted segmentation models like the Segment-Anything Model (SAM) can help tackle this task, but because they require image-specific…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Aditya Murali , Farahdiba Zarin , Adrien Meyer , Pietro Mascagni , Didier Mutter , Nicolas Padoy

When it comes to the optimization of CAD models in the automation domain, neural networks currently play only a minor role. Optimizing abstract features such as automation capability is challenging, since they can be very difficult to…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Jannes Elstner , Raoul G. C. Schönhof , Steffen Tauber , Marco F Huber

Simultaneous localization and mapping (SLAM) has been a hot research field in the past years. Against the backdrop of more affordable 3D LiDAR sensors, research on 3D LiDAR SLAM is becoming increasingly popular. Furthermore, the…

机器人学 · 计算机科学 2021-09-02 Ziqi Chai , Xiaoyu Shi , Yan Zhou , Zhenhua Xiong