GPS拒止环境巡飞器双源地理位置知觉实例分割
收稿日期: 2025-04-15
修回日期: 2025-04-24
录用日期: 2025-06-06
网络出版日期: 2025-06-16
基金资助
国家自然科学基金(62061022);国家自然科学基金(62171206);装备智能运用教育部重点实验室开放基金(AAIE-2023-0203);昆明理工大学分析测试基金(2024P20231103003)
Instance segmentation of dual-source geolocation perception for GPS reject environmental aerial vehicle
Received date: 2025-04-15
Revised date: 2025-04-24
Accepted date: 2025-06-06
Online published: 2025-06-16
Supported by
National Natural Science Foundation of China(62061022);The Open Fund Project of the Key Laboratory of Intelligent Application of Equipment of the Ministry of Education(AAIE-2023-0203);Analysis and Testing Foundation of Kunming University of Science and Technology(2024P20231103003)
针对巡飞器导航系统GPS拒止环境下无法定位及其航拍图像地物目标与背景混杂且目标边缘模糊导致分割精度低的问题，提出一种双源地理位置知觉地物目标实例分割模型（DGISM）。首先，设计沿水平、竖直和通道维度的三重自适应中心矩模块同时引入并行路径跨层交互结构聚合浅层细节信息，以提高实例特征区分度从而克服背景混杂问题。其次，设计多核空间聚焦模块融合跨尺度空间特征信息和深层通道信息以增强模型对边缘特征的聚集能力，改善了因边缘模糊导致分割精度低的问题。最后，针对GPS拒止环境下无法定位的问题，设计航拍图像与卫星信息双源感知定位模块，经分割权重提取巡飞器航拍图像特征信息与具有卫星定位信息的图像特征记忆库相匹配获取对应地理位置信息。实验结果表明：提出的双源地理位置知觉地物目标实例分割模型mAP50-95和mAP50分割精度分别达到69.1%和88.8%，图像特征双源匹配定位精度达到95.6%，在GPS拒止环境下通过分割建筑类地物目标实现巡飞器地理位置知觉精确定位。
宫冕 , 张印辉 , 何自芬 , 陈光晨 , 张瑞 . GPS拒止环境巡飞器双源地理位置知觉实例分割[J]. 航空学报, 2026 , 47(2) : 332120 -332120 . DOI: 10.7527/S1000-6893.2025.32120
To address the issues of inability to locate in GPS reject environments for the navigation system of aerial vehicles and the low seg-mentation accuracy caused by blurred edges and mixed backgrounds in aerial imagery， this paper proposes a Dual-source Geo-aware Instance Segmentation Model for ground objects， referred to as DGISM. First， a triple adaptive central moment module along horizontal， vertical， and channel dimensions is designed， along with a parallel path cross-layer interaction structure to aggregate shallow-level details， thereby enhancing instance feature discriminability and overcoming background clutter issues. Second， a multi-core spatial focus module is developed to integrate cross-scale spatial features and deep channel information， improving the model’s ability to concentrate on edge features and addressing the problem of low segmentation accuracy due to edge blur. Lastly， to tackle the problem of localization in GPS reject environments， a dual-source perception and positioning module for aerial imagery and satellite information is designed. This module extracts segmentation weights to match the feature information of the aerial vehicle’s imagery with a feature memory bank of images containing satellite positioning information， thereby obtaining corresponding geographic location information. Experimental results demonstrate that the proposed dual-source geo-aware instance segmentation model achieves mAP50-95 and mAP50 segmentation accuracies of 69.1% and 88.8%， respectively， with a dual-source feature matching positioning accuracy of 95.6%. Realizing precise geographic location perception and positioning of patrol aircraft by segmenting building targets in GPS reject environments
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