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Long-term scene changes present challenges to localization systems using a pre-built map. This paper presents a LiDAR-based system that can provide robust localization against those challenges. Our method starts with activation of a mapping…

机器人学 · 计算机科学 2022-03-09 Bin Peng , Hongle Xie , Weidong Chen

Active depth sensors like structured light, lidar, and time-of-flight systems sample the depth of the entire scene uniformly at a fixed scan rate. This leads to limited spatio-temporal resolution where redundant static information is…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Manasi Muglikar , Diederik Paul Moeys , Davide Scaramuzza

Event cameras, which are asynchronous bio-inspired vision sensors, have shown great potential in computer vision and artificial intelligence. However, the application of event cameras to object-level motion estimation or tracking is still…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Haosheng Chen , David Suter , Qiangqiang Wu , Hanzi Wang

Fast and accurate video object recognition, which relies on frame-by-frame video analytics, remains a challenge for resource-constrained devices such as traffic cameras. Recent advances in mobile edge computing have made it possible to…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Kun Guo , Yun Shen , Xijun Wang , Chaoqun You , Yun Rui , Tony Q. S. Quek

Event-based cameras provide accurate and high temporal resolution measurements for performing computer vision tasks in challenging scenarios, such as high-dynamic range environments and fast-motion maneuvers. Despite their advantages,…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Mohammad Rostami , Dayuan Jian , Ruitong Sun

State-of-the-art machine-learning methods for event cameras treat events as dense representations and process them with conventional deep neural networks. Thus, they fail to maintain the sparsity and asynchronous nature of event data,…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Daniel Gehrig , Davide Scaramuzza

Object detection plays a crucial role in smart video analysis, with applications ranging from autonomous driving and security to smart cities. However, achieving real-time object detection on edge devices presents significant challenges due…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Jianrui Shi , Yong Zhao , Zeyang Cui , Xiaoming Shen , Minhang Zeng , Xiaojie Liu

Event-based cameras record an asynchronous stream of per-pixel brightness changes. As such, they have numerous advantages over the standard frame-based cameras, including high temporal resolution, high dynamic range, and no motion blur. Due…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Dimche Kostadinov , Davide Scaramuzza

Event-based cameras can overpass frame-based cameras limitations for important tasks such as high-speed motion detection during self-driving cars navigation in low illumination conditions. The event cameras' high temporal resolution and…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Haixin Sun , Minh-Quan Dao , Vincent Fremont

There has been profound progress in visual saliency thanks to the deep learning architectures, however, there still exist three major challenges that hinder the detection performance for scenes with complex compositions, multiple salient…

计算机视觉与模式识别 · 计算机科学 2017-08-16 Jing Zhang , Yuchao Dai , Fatih Porikli , Mingyi He

Multisensor fusion is essential for autonomous vehicles to accurately perceive, analyze, and plan their trajectories within complex environments. This typically involves the integration of data from LiDAR sensors and cameras, which…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Yuanchao Yue , Hui Yuan , Suai Li , Qi Jiang

Compared to the onboard camera and laser scanner, radar sensor provides lighting and weather invariant sensing, which is naturally suitable for long-term localization under adverse conditions. However, radar data is sparse and noisy,…

机器人学 · 计算机科学 2021-03-09 Huan Yin , Runjian Chen , Yue Wang , Rong Xiong

Slow shutter speed and long exposure time of frame-based cameras often cause visual blur and loss of inter-frame information, degenerating the overall quality of captured videos. To this end, we present a unified framework of event-based…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Xiang Zhang , Lei Yu

In this paper we introduce a novel way to predict semantic information from sparse, single-shot LiDAR measurements in the context of autonomous driving. In particular, we fuse learned features from complementary representations. The…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Frank Bieder , Maximilian Link , Simon Romanski , Haohao Hu , Christoph Stiller

Discrete Diffusion Language Models have emerged as a compelling paradigm for unified multimodal generation, yet their deployment is hindered by high inference latency arising from iterative decoding. Existing acceleration strategies often…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Chenglin Wang , Yucheng Zhou , Shawn Chen , Tao Wang , Kai Zhang

3D scene understanding is a critical yet challenging task in autonomous driving due to the irregularity and sparsity of LiDAR data, as well as the computational demands of processing large-scale point clouds. Recent methods leverage…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Bin Yang , Alexandru Paul Condurache

Recently, self-supervised learning has proved to be effective to learn representations of events suitable for temporal segmentation in image sequences, where events are understood as sets of temporally adjacent images that are semantically…

机器学习 · 计算机科学 2020-12-11 Mariella Dimiccoli , Herwig Wendt

In the context of pose-invariant object recognition and retrieval, we demonstrate that it is possible to achieve significant improvements in performance if both the category-based and the object-identity-based embeddings are learned…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Rohan Sarkar , Avinash Kak

Just as humans can become disoriented in featureless deserts or thick fogs, not all environments are conducive to the Localization Accuracy and Stability (LAS) of autonomous robots. This paper introduces an efficient framework designed to…

机器人学 · 计算机科学 2024-08-06 Kaixin Chai , Long Xu , Qianhao Wang , Chao Xu , Peng Yin , Fei Gao

Federated Edge Learning (FEEL) involves the collaborative training of machine learning models among edge devices, with the orchestration of a server in a wireless edge network. Due to frequent model updates, FEEL needs to be adapted to the…

分布式、并行与集群计算 · 计算机科学 2022-01-28 Afaf Taik , Zoubeir Mlika , Soumaya Cherkaoui