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Recent works on 3D single object tracking treat the task as a target-specific 3D detection task, where an off-the-shelf 3D detector is commonly employed for the tracking. However, it is non-trivial to perform accurate target-specific…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Yan Xia , Qiangqiang Wu , Wei Li , Antoni B. Chan , Uwe Stilla

Model merging offers a scalable alternative to multi-task learning but often yields suboptimal performance on classification tasks. We attribute this degradation to a geometric misalignment between the merged encoder and static…

机器学习 · 计算机科学 2026-02-03 Fanshuang Kong , Richong Zhang , Zhijie Nie , Hang Zhou , Ziqiao Wang , Qiang Sun , Chunming Hu

Monocular Depth Estimation (MDE) is performed to produce 3D information that can be used in downstream tasks such as those related to on-board perception for Autonomous Vehicles (AVs) or driver assistance. Therefore, a relevant arising…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Akhil Gurram , Antonio M. Lopez

Generating a set of high-quality correspondences or matches is one of the most critical steps in point cloud registration. This paper proposes a learning framework COTReg by jointly considering the pointwise and structural matchings to…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Guofeng Mei , Xiaoshui Huang , Litao Yu , Jian Zhang , Mohammed Bennamoun

In a point cloud sequence, 3D object tracking aims to predict the location and orientation of an object in the current search point cloud given a template point cloud. Motivated by the success of transformers, we propose Point Tracking…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Changqing Zhou , Zhipeng Luo , Yueru Luo , Tianrui Liu , Liang Pan , Zhongang Cai , Haiyu Zhao , Shijian Lu

This study introduces a novel no-reference image quality metric aimed at assessing image sharpness. Designed to be robust against variations in noise, exposure, contrast, and image content, it measures the normalized decay rate of gradients…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Lucas Gonzalo Antonel

This paper presents a framework capable of accurately and smoothly estimating position, heading, and velocity. Using this high-quality input, we propose a system based on Trajectron++, able to consistently generate precise trajectory…

机器人学 · 计算机科学 2025-02-14 Mikolaj Kliniewski , Jesse Morris , Ian R. Manchester , Viorela Ila

Visual localization, i.e., the problem of camera pose estimation, is a central component of applications such as autonomous robots and augmented reality systems. A dominant approach in the literature, shown to scale to large scenes and to…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Vojtech Panek , Zuzana Kukelova , Torsten Sattler

Knowledge about the location of a vehicle is indispensable for autonomous driving. In order to apply global localisation methods, a pose prior must be known which can be obtained from visual odometry. The quality and robustness of that…

计算机视觉与模式识别 · 计算机科学 2017-08-02 Johannes Graeter , Tobias Strauss , Martin Lauer

Numerous single-image super-resolution algorithms have been proposed in the literature, but few studies address the problem of performance evaluation based on visual perception. While most super-resolution images are evaluated by…

计算机视觉与模式识别 · 计算机科学 2016-12-20 Chao Ma , Chih-Yuan Yang , Xiaokang Yang , Ming-Hsuan Yang

Performance monitoring of object detection is crucial for safety-critical applications such as autonomous vehicles that operate under varying and complex environmental conditions. Currently, object detectors are evaluated using summary…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Quazi Marufur Rahman , Niko Sünderhauf , Feras Dayoub

Processing point clouds using deep neural networks is still a challenging task. Most existing models focus on object detection and registration with deep neural networks using point clouds. In this paper, we propose a deep model that learns…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Farzan Erlik Nowruzi , Dhanvin Kolhatkar , Prince Kapoor , Robert Laganiere

Three-dimensional (3D) point cloud, as an emerging visual media format, is increasingly favored by consumers as it can provide more realistic visual information than two-dimensional (2D) data. Similar to 2D plane images and videos, point…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Wu Chen , Qiuping Jiang , Wei Zhou , Feng Shao , Guangtao Zhai , Weisi Lin

This paper proposes a novel concept to directly match feature descriptors extracted from 2D images with feature descriptors extracted from 3D point clouds. We use this concept to directly localize images in a 3D point cloud. We generate a…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Uzair Nadeem , Mohammed Bennamoun , Roberto Togneri , Ferdous Sohel

3D multi-object tracking (MOT) is an essential component for many applications such as autonomous driving and assistive robotics. Recent work on 3D MOT focuses on developing accurate systems giving less attention to practical considerations…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Xinshuo Weng , Jianren Wang , David Held , Kris Kitani

In this work, we address the problem of cross-modal comparison of aerial data streams. A variety of simulated automobile trajectories are sensed using two different modalities: full-motion video, and radio-frequency (RF) signals received by…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Christopher J. Tralie , Abraham Smith , Nathan Borggren , Jay Hineman , Paul Bendich , Peter Zulch , John Harer

We study a novel yet practical problem of open-corpus multi-object tracking (OCMOT), which extends the MOT into localizing, associating, and recognizing generic-category objects of both seen (base) and unseen (novel) classes, but without…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Zekun Qian , Ruize Han , Wei Feng , Junhui Hou , Linqi Song , Song Wang

Objective geometry quality assessment of point clouds is essential to evaluate the performance of a wide range of point cloud-based solutions, such as denoising, simplification, reconstruction, and watermarking. Existing point cloud quality…

多媒体 · 计算机科学 2022-11-03 Zhiyong Su , Chao Chu , Long Chen , Yong Li , Weiqing Li

3D multi-object tracking (MOT) is essential to applications such as autonomous driving. Recent work focuses on developing accurate systems giving less attention to computational cost and system complexity. In contrast, this work proposes a…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Xinshuo Weng , Jianren Wang , David Held , Kris Kitani

Metrics on the space of sets of trajectories are important for scientists in the field of computer vision, machine learning, robotics, and general artificial intelligence. However, existing notions of closeness between sets of trajectories…

计算机视觉与模式识别 · 计算机科学 2020-11-17 José Bento , Jia Jie Zhu