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Object recognition and instance segmentation are fundamental skills in any robotic or autonomous system. Existing state-of-the-art methods are often unable to capture meaningful uncertainty in challenging or ambiguous scenes, and as such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 YuXuan Liu , Nikhil Mishra , Pieter Abbeel , Xi Chen

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

Object placement is a fundamental task for robots, yet it remains challenging for partially observed objects. Existing methods for object placement have limitations, such as the requirement for a complete 3D model of the object or the…

Robotics · Computer Science 2023-09-12 Sangjun Noh , Raeyoung Kang , Taewon Kim , Seunghyeok Back , Seongho Bak , Kyoobin Lee

We address the problem of analyzing sets of noisy time-varying signals that all report on the same process but confound straightforward analyses due to complex inter-signal heterogeneities and measurement artifacts. In particular we…

Separating moving and static objects from a moving camera viewpoint is essential for 3D reconstruction, autonomous navigation, and scene understanding in robotics. Existing approaches often rely primarily on optical flow, which struggles to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Masahiro Ogawa , Qi An , Atsushi Yamashita

We focus on the problem of class-agnostic instance segmentation of LiDAR point clouds. We propose an approach that combines graph-theoretic search with data-driven learning: it searches over a set of candidate segmentations and returns one…

Robotics · Computer Science 2019-12-12 Peiyun Hu , David Held , Deva Ramanan

Methods tackling multi-object tracking need to estimate the number of targets in the sensing area as well as to estimate their continuous state. While the majority of existing methods focus on data association, precise state (3D pose)…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Johannes Groß , Aljosa Osep , Bastian Leibe

Dynamic scene understanding is one of the most conspicuous field of interest among computer vision community. In order to enhance dynamic scene understanding, pixel-wise segmentation with neural networks is widely accepted. The latest…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Ge Shi , Zhili Yang

Moving target detection plays an important role in computer vision. However, traditional algorithms such as frame difference and optical flow usually suffer from low accuracy or heavy computation. Recent algorithms such as deep…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Zhuang He , Qi Li , Huajun Feng , Zhihai Xu

Locating and retrieving objects from scene-level point clouds is a challenging problem with broad applications in robotics and augmented reality. This task is commonly formulated as open-vocabulary 3D instance segmentation. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Khanh Nguyen , Dasith de Silva Edirimuni , Ghulam Mubashar Hassan , Ajmal Mian

Moving object segmentation (MOS) in dynamic scenes is an important, challenging, but under-explored research topic for autonomous driving, especially for sequences obtained from moving ego vehicles. Most segmentation methods leverage motion…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Zhuyun Zhou , Zongwei Wu , Danda Pani Paudel , Rémi Boutteau , Fan Yang , Luc Van Gool , Radu Timofte , Dominique Ginhac

Image segmentation is the problem of partitioning an image into different subsets, where each subset may have a different characterization in terms of color, intensity, texture, and/or other features. Segmentation is a fundamental component…

Computer Vision and Pattern Recognition · Computer Science 2015-11-03 M. Abdelsamea

Conventional radar segmentation research has typically focused on learning category labels for different moving objects. Although fundamental differences between radar and optical sensors lead to differences in the reliability of predicting…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Simin Zhu , Satish Ravindran , Alexander Yarovoy , Francesco Fioranelli

With the widespread adoption of machine learning technologies in autonomous driving systems, their role in addressing complex environmental perception challenges has become increasingly crucial. However, existing machine learning models…

Robotics · Computer Science 2025-08-19 Lida Xu

Model precision in a classification task is highly dependent on the feature space that is used to train the model. Moreover, whether the features are sequential or static will dictate which classification method can be applied as most of…

Machine Learning · Computer Science 2017-12-25 Anna Leontjeva , Ilya Kuzovkin

3D object detection within large 3D scenes is challenging not only due to the sparsity and irregularity of 3D point clouds, but also due to both the extreme foreground-background scene imbalance and class imbalance. A common approach is to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Oren Shrout , Yizhak Ben-Shabat , Ayellet Tal

3D moving object detection is one of the most critical tasks in dynamic scene analysis. In this paper, we propose a novel Drosophila-inspired 3D moving object detection method using Lidar sensors. According to the theory of elementary…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Li Wang , Dawei Zhao , Tao Wu , Hao Fu , Zhiyu Wang , Liang Xiao , Xin Xu , Bin Dai

LiDAR-based Moving Object Segmentation (MOS) aims to locate and segment moving objects in point clouds of the current scan using motion information from previous scans. Despite the promising results achieved by previous MOS methods, several…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Kang Zeng , Hao Shi , Jiacheng Lin , Siyu Li , Jintao Cheng , Kaiwei Wang , Zhiyong Li , Kailun Yang

We present a general framework and method for simultaneous detection and segmentation of an object in a video that moves (or comes into view of the camera) at some unknown time in the video. The method is an online approach based on motion…

Computer Vision and Pattern Recognition · Computer Science 2016-05-25 Dong Lao , Ganesh Sundaramoorthi