Research Article
An Improved Object Detection Method for Underwater Sonar Image Based on PP-YOLOv2
Table 2
Ablation experiments for the proposed method on forward sonar data set.
| | Method | (%) | Info time (ms) | FPS (f/s) |
| A | PP-YOLOv2 | 49.36 | 31.1 | 32.15 | B | A + mosaic+resize anchor | 50.54 | 31.1 | 32.15 | C | B + BotNet-dcn | 51.43 | 35.6 | 28.14 | D | C + decoupled head | 52.63 | 38.5 | 26.18 | E | D + image size 768 | 53.14 | 41.2 | 24.27 | F | E + BotNet-dcn 101 | 53.51 | 50.5 | 19.82 |
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