Multi-Level Attention and Scale-Aware Fusion for Remote Sensing Scene Object Detection.

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Bibliographic Details
Title: Multi-Level Attention and Scale-Aware Fusion for Remote Sensing Scene Object Detection.
Authors: Li, Yanling1 liyanling@xynu.edu.cn, Li, Jiaman1 jiaman0813@163.com, Yang, Zhipeng1 yangzp@xynu.edu.cn, Chen, Chongyang1 cychen@xynu.edu.cn
Source: Engineering Letters. May2026, Vol. 34 Issue 5, p1506-1523. 18p.
Subjects: Remote sensing, Object recognition (Computer vision), Data fusion (Statistics), Image analysis, Computer vision, Deep learning
Abstract: Object detection plays a pivotal role in intelligent remote sensing image interpretation, with critical applications spanning national defense, security, and smart city development. However, two fundamental challenges persist: complex background interference and significant object scale variations, both severely degrading detection performance. A novel remote sensing object detection method, denoted as MASF, is proposed in this work. The framework consists of three core components: a backbone network, a neck network, and a detection head. To address background interference, we incorporated a Dynamic Bottleneck Module (DBM) into the backbone network. The DBM's core component is a Star Attention Block. This module significantly improves the model's target localization capability in complex scenes by modeling long-range dependencies across regions. A Multi-Kernel Feature Diffusion Pyramid Network is proposed in the neck network to handle multi-scale objects. This architecture utilizes hierarchical feature interactions and a dedicated FocusFeature module to adaptively aggregate features, thereby improving multi-scale detection accuracy. While preserving high-resolution details and semantic consistency, this module enhances the model's recognition accuracy for objects of varying scales by vertically diffusing information across resolutions and hierarchical levels. The detection head is responsible for final object classification and localization. Comprehensive evaluations conducted on the demanding remote sensing benchmark datasets, VisDrone2019-DET and NWPU VHR-10, confirm the efficacy of the proposed methodology. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Object detection plays a pivotal role in intelligent remote sensing image interpretation, with critical applications spanning national defense, security, and smart city development. However, two fundamental challenges persist: complex background interference and significant object scale variations, both severely degrading detection performance. A novel remote sensing object detection method, denoted as MASF, is proposed in this work. The framework consists of three core components: a backbone network, a neck network, and a detection head. To address background interference, we incorporated a Dynamic Bottleneck Module (DBM) into the backbone network. The DBM's core component is a Star Attention Block. This module significantly improves the model's target localization capability in complex scenes by modeling long-range dependencies across regions. A Multi-Kernel Feature Diffusion Pyramid Network is proposed in the neck network to handle multi-scale objects. This architecture utilizes hierarchical feature interactions and a dedicated FocusFeature module to adaptively aggregate features, thereby improving multi-scale detection accuracy. While preserving high-resolution details and semantic consistency, this module enhances the model's recognition accuracy for objects of varying scales by vertically diffusing information across resolutions and hierarchical levels. The detection head is responsible for final object classification and localization. Comprehensive evaluations conducted on the demanding remote sensing benchmark datasets, VisDrone2019-DET and NWPU VHR-10, confirm the efficacy of the proposed methodology. [ABSTRACT FROM AUTHOR]
ISSN:1816093X