Acta Optica Sinica, Volume. 45, Issue 5, 0528003(2025)
Lightweight Multi‑Scale Synthetic Aperture Radar Ship Detection Algorithm
Figures & Tables(10)
Fig. 6. Comparisons of detection results between YOLOv8 and proposed algorithm on HRSID dataset
Table 1. Results of ablation experiments on HRSID and SSDD datasets
View tableTable 1. Results of ablation experiments on HRSID and SSDD datasets
Dataset LSCH MSPPF Focaler-ShapeIoU Params /M FLOPs /G P /% R /% AP_0.5 /% AP_0.5∶0.95 /% HRSID 3.0 8.2 91.0 82.0 90.5 65.8 √ 2.2 6.1 90.9 82.3 91.0 66.6 √ √ 2.3 6.3 92.3 83.8 91.7 67.2 √ √ √ 2.3 6.3 92.5 84.0 92.0 67.6 SSDD 3.0 8.2 94.9 91.4 97.0 69.1 √ 2.2 6.1 94.8 91.9 98.2 70.1 √ √ 2.3 6.3 95.8 94.4 98.4 72.0 √ √ √ 2.3 6.3 96.1 94.1 98.6 72.2
Table 2. Results of contrast experiments on loss functions
View tableTable 2. Results of contrast experiments on loss functions
Dataset Method Focaler AP_0.5 /% AP_0.5∶0.95 /% HRSID CIoU × 91.7 67.2 √ 91.9 67.4 SIoU × 91.6 67.1 √ 91.7 67.2 ShapeIoU × 91.8 67.3 √ 92.1 67.6 SSDD CIoU × 98.4 72.0 √ 98.5 72.1 SIoU × 98.3 72.0 √ 98.4 72.2 ShapeIoU × 98.5 72.1 √ 98.6 72.2
Table 3. Contrast experimental results on HRSID and SSDD datasets
View tableTable 3. Contrast experimental results on HRSID and SSDD datasets
Dataset Algorithm Params /M FLOPs /G P /% R /% AP_0.5 /% AP_0.5∶0.95 /% HRSID Faster R-CNN 41.4 134.4 82.4 90.5 88.0 — Libra R-CNN 42.8 141.3 83.6 89.7 88.8 — YOLOv3 103.7 283.0 90.3 84.0 91.0 66.3 YOLOv8n 3.0 8.2 91.0 82.0 90.5 65.8 FCOS 32.1 126.0 62.9 86.1 84.5 — FENDet — 120.6 79.0 88.7 89.9 — GCBANet — 948.0 — — 89.8 — FL-CSEvROIE 107.6 — — — 90.2 — YOLO-CLF — — 91.8 83.7 90.4 62.7 MCMA-Net — — 80.4 88.9 87.4 — Ours 2.3 6.3 92.5 84.0 92.0 67.6 SSDD Faster R-CNN 41.4 134.4 67.2 94.5 89.5 — Libra R-CNN 42.8 141.3 66.8 94.7 88.9 — YOLOv3 103.7 283.0 90.7 93.7 95.0 70.2 YOLOv8n 3.0 8.2 94.9 91.4 97.0 69.1 FCOS 32.1 126.0 84.7 93.8 95.8 — FENDet — 120.6 95.8 94.4 95.9 — GCBANet — 948.0 — — 95.4 — FL-CSE-ROIE 107.6 — — — 95.9 — YOLO-CLF — — 95.0 93.7 98.2 63.1 MCMA-Net — — 84.7 97.9 96.6 — Ours 2.3 6.3 96.1 94.1 98.6 72.2
Table 4. Contrast experimental results at different resolutions
View tableTable 4. Contrast experimental results at different resolutions
Dataset Input size Model AP_0.5 /% AP_0.5∶0.95 /% HRSID 320 YOLOv8 77.6 52.6 Ours 79.0 53.3 480 YOLOv8 86.2 60.1 Ours 88.4 63.3 640 YOLOv8 90.5 65.8 Ours 92.0 67.6 SAR-Ship-Dataset 320 YOLOv8 92.4 54.6 Ours 92.6 55.0 480 YOLOv8 92.2 54.0 Ours 92.5 55.3 640 YOLOv8 91.1 53.5 Ours 91.6 54.8 SSDD 320 YOLOv8 94.0 66.2 Ours 94.8 65.1 480 YOLOv8 97.2 70.0 Ours 97.4 70.2 640 YOLOv8 97.0 69.1 Ours 98.6 72.2
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Changzhen Xiong, Xiyu Li, Heyi Zhao, Songming Xie. Lightweight Multi‑Scale Synthetic Aperture Radar Ship Detection Algorithm[J]. Acta Optica Sinica, 2025, 45(5): 0528003
Paper Information
Category: Remote Sensing and Sensors
Received: Dec. 5, 2024
Accepted: Jan. 15, 2025
Published Online: Mar. 17, 2025
The Author Email: Li Xiyu (lixiyu@mail.ncut.edu.cn)
CSTR:32393.14.AOS241848
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