Unmanned aerial vehicle ground detection system and method based on cascaded sparse query

The UAV surface detection system based on cascaded sparse queries solves the problem of low accuracy in small target detection in UAV surface detection by utilizing the FFM receptive field enhancement module, the AFF adaptive feature fusion module, and the improved Focal Loss loss function, thus achieving efficient and accurate multi-scale target detection.

CN117132909BActive Publication Date: 2026-06-09INSPUR QILU SOFTWARE IND

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INSPUR QILU SOFTWARE IND
Filing Date
2023-08-24
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In current UAV surface detection, the detection of small targets is not very effective, mainly due to problems such as the disappearance of small target features, mismatch of receptive fields, and difficulty in localization, resulting in low detection accuracy.

Method used

The UAV surface detection system employing cascaded sparse queries includes an FFM receptive field enhancement module, an AFF adaptive feature fusion module, a cascaded sparse query detection head module, and a class-independent positive and negative sample balancing strategy. It improves detection accuracy and speed through dilated convolution, sparse queries, and an improved Focal Loss loss function.

Benefits of technology

It significantly improves the accuracy of small target detection, reduces computational overhead, enhances the robustness and inference speed of the model, and is suitable for deployment on domestically produced AI accelerator cards.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN117132909B_ABST
    Figure CN117132909B_ABST
Patent Text Reader

Abstract

The application relates to the technical field of computer vision, in particular to a UAV ground surface detection system and method based on cascaded sparse query, which is composed of an FFM receptive field enhancement module, an AFF adaptive feature fusion module, a cascaded sparse query detection head module and a class-independent positive and negative sample balancing strategy.The UAV ground surface detection system and method based on the cascaded sparse query have the beneficial effects that according to the ground surface detection image data of on-site shooting of a UAV, historical inspection data and inspection point types, the UAV ground surface detection system and method support intelligent detection of multiple scenes, multiple inspection points and inspection elements in the ground surface detection or inspection process; and the detection precision of a small target detection task is further improved through improvement of a multiscale feature fusion network of YOLOv5.
Need to check novelty before this filing date? Find Prior Art