1.中国矿业大学计算机科学与技术学院/人工智能学院,江苏徐州 221116
2.矿山数字化教育部工程研究中心,江苏徐州 221116
3.地下空间智能感知与应急物联江苏省产业技术工程化中心,江苏徐州 221116
4.江南大学人工智能与计算机学院,江苏无锡 214122
赵少川 男,1996年8月出生于江苏省徐州市。中国矿业大学计算机科学与技术学院/人工智能学院博士后。主要研究方向为计算机视觉与模式识别,包括视觉目标跟踪、神经网络安全与多模态学习等领域。E-mail: shaochuan_zhao@cumt.edu.cn
刘峥玮 男,2004年4月出生于湖南省郴州市。中国矿业大学计算机科学与技术学院/人工智能学院硕士研究生。主要研究方向为视觉目标跟踪。E-mail: TS25170019A31LD@cumt.edu.cn
徐天阳 男,1989年5月出生于江苏省常州市。江南大学人工智能与计算机学院(软件学院)副教授。主要研究方向为模式识别、计算机视觉、人工智能。E-mail: tianyang_xu@163.com
邵志文 男,1994年12月出生于安徽省马鞍山市。中国矿业大学计算机科学与技术学院/人工智能学院副教授、硕士生导师。主要研究方向为情感智能、细粒度目标检测、视觉内容生成、时间序列预测。E-mail: zhiwen_shao@cumt.edu.cn
周 勇 男,1974年9月出生于江苏省徐州市。中国矿业大学计算机科学与技术学院/人工智能学院教授、博士生导师。主要研究方向为机器学习、人工智能、数据科学与工程。E-mail: yzhou@cumt.edu.cn
吴小俊 男,1967年12月出生于江苏省镇江市。江南大学人工智能与计算机学院(软件学院)教授、博士生导师。主要研究方向为计算机视觉与模式识别。E-mail: wu_xiaojun@jiangnan.edu.cn
收稿:2026-01-26,
录用:2026-03-19,
网络首发:2026-04-23,
纸质出版:2026-04-25
移动端阅览
赵少川, 刘峥玮, 徐天阳, 等. 基于几何先验引导的可见光-事件目标跟踪方法[J]. 电子学报, 2026, 54(04): 1719-1731.
ZHAO Shaochuan, LIU Zhengwei, XU Tianyang, et al. An RGB-Event Object Tracking Method Based on Geometry Prior Guidance[J]. Acta Electronica Sinica, 2026, 54(04): 1719-1731.
赵少川, 刘峥玮, 徐天阳, 等. 基于几何先验引导的可见光-事件目标跟踪方法[J]. 电子学报, 2026, 54(04): 1719-1731. DOI:10.12263/DZXB.20251160
ZHAO Shaochuan, LIU Zhengwei, XU Tianyang, et al. An RGB-Event Object Tracking Method Based on Geometry Prior Guidance[J]. Acta Electronica Sinica, 2026, 54(04): 1719-1731. DOI:10.12263/DZXB.20251160
可见光相机在运动模糊、极端光照等挑战性场景下易出现成像质量退化,导致现有基于可见光模态的目标跟踪方法性能受限。事件相机凭借高时间分辨率、高动态范围和低延迟等优势,可有效弥补可见光传感器的不足,因此可见光-事件目标跟踪逐渐成为研究热点。然而,现有方法高度依赖事件相机的成像质量,当目标处于静止或低速运动状态时,事件信号因缺乏光强变化而难以提供有效的鉴别性信息,制约了跟踪器在复杂场景下的鲁棒性。针对上述问题,本文提出一种基于几何先验引导的可见光-事件目标跟踪方法。考虑到事件信号与角点/边缘信号均对目标边缘区域敏感,且可见光图像在事件信号缺失时可提供稳定的空间几何结构信息,本文利用角点与边缘作为几何先验引导信号,以增强事件模态的表达能力。为实现有效融合,本文设计了两种几何先验引导策略:(1)像素级引导策略,将提取的角点/边缘灰度图与事件图像在通道维度拼接,直接作为跟踪模型输入;(2)特征级引导策略,分别提取事件图像与角点/边缘图像的深度特征,通过信号质量评估模块自适应学习融合权重,实现特征的动态加权融合。两种策略均具备良好的兼容性,可便捷嵌入现有可见光-事件跟踪架构,并以较低计算开销提升模型在事件模态成像质量不佳时的鲁棒性。本文将所提方法集成至TENet(Targetness Entanglement Network)、ViPT(Visual Prompt multi-modal Tracking)与SDSTrack(Self-Distillation Symmetric Tracking)3种先进可见光-事件跟踪模型中,在VisEvent、COESOT和FE240hz三个公开数据集上开展实验验证。实验结果表明,几何先验引导策略显著提升了跟踪精度,尤其在目标静止、形变、部分遮挡等挑战性场景下改善明显。以TENet为例,在FE240hz数据集上的成功率SUC(SUCcess rate)和精确率PRE(PREcision rate)分别提升了1.6%和2.3%;在涵盖多种跟踪场景的COESOT数据集上的两种指标分别提升了0.8%和1.2%;在VisEvent数据集上也分别获得了0.4%和0.5%的增益。综上,本文提出的几何先验引导方法通过引入角点/边缘信息作为事件信号的有效补充,缓解了事件相机在低动态场景下的信息缺失问题,为可见光-事件目标跟踪提供了一种高效且鲁棒的解决方案。
RGB cameras often suffer from image quality degradation in challenging scenarios such as motion blur and extreme lighting conditions
which limits the performance of existing RGB-based tracker. Event cameras
with their advantages of high temporal resolution
high dynamic range
and low latency
can effectively compensate for the shortcomings of RGB sensors
making RGB-Event object tracking a gradually emerging research focus. However
existing methods heavily rely on the imaging quality of event cameras. When the object is stationary or moving at low speeds
event signals fail to provide effective discriminative information due to the lack of intensity changes
t
hereby constraining the robustness of trackers in complex scenarios. To address the above issues
this paper proposes an RGB-Event object tracking method guided by geometric priors. Considering that both event signals and corner/edge signals are sensitive to object edge regions
and that RGB images can provide stable spatial geometric structure information in the absence of event signals
this paper employs corners and edges as geometric prior guidance signals to enhance the representational capability of the event modality. To achieve effective fusion
two geometric prior guidance strategies are designed: 1) a pixel-level guidance strategy
which concatenates the extracted corner/edge grayscale maps with event images along the channel dimension as direct input to the tracking model; and 2) a feature-level guidance strategy
which separately extracts high-level features from event images and corner/edge maps
and adaptively learns fusion weights through a signal quality assessment module to achieve dynamic weighted fusion of features. Both strategies offer good compatibility
can be conveniently integrated into existing RGB-Event trackers
enhancing tracking robustness under poor event modality imaging quality with low computational overhead. The proposed method is integrated into three advanced RGB-Event trackers
namely TENet
ViPT
and SDSTrack
and experimental validation is conducted on three public datasets: VisEvent
COESOT
and FE240hz. The results demonstrate that the geometric prior guidance strategy significantly improves tracking accuracy
particularly in challenging scenarios such as object stationary
deformation
and partial occlusion. Taking TENet as an example
the success rate(SUC) and precision rate(PRE) on the FE240hz dataset are improved by 1.6% and 2.3%
respectively; on the COESOT dataset
which covers various tracking scenarios
the two metrics are improved by 0.8% and 1.2%
respectively; and on the VisEvent dataset
gains of 0.4% and 0.5% are achieved
respectively. In summary
the propos
ed geometric prior guidance method effectively alleviates the information deficiency problem of event cameras in low-dynamic scenarios by introducing corner/edge information as a complement to event signals
providing an efficient and robust solution for RGB-Event object tracking. Our codes are at
https://github.com/LLLzw444/Enhancement-strategy-of-TENet
https://github.com/LLLzw444/Enhancement-strategy-of-TENet
.
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