PAW-YOLOv7: algorithm for detection of tiny floating objects in river channels

Fig. 8. Target detection results of different algorithms in different scenes. Left: detection image, Center: YOLOv7 model, Right: algorithm of this paper

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Fig. 9. Comparison of detection accuracy of self-built datasets

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Fig. 10. Comparison results of heat maps with different algorithms

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Table 1. Results of ablation experiments

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Table 1. Results of ablation experiments

组别	Head	ACmix	ODCBS	WIoU	PC-ELAN	mAP/%	FLOPs/G	FPS
1						79.9	105.4	101
2	√					81.1	119.5	86
3		√				85.6	101.6	75
4			√			80.8	109.8	97
5				√		81.5	105.4	108
6					√	78.1	83.7	124
7	√	√				87.3	115.3	56
8	√	√	√			88.2	119.2	47
9	√	√	√	√		90.8	119.2	48
10	√	√	√	√	√	89.7	97.8	54

Table 2. Comparative experimental data of each algorithm on FloW-Img dataset

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Table 2. Comparative experimental data of each algorithm on FloW-Img dataset

算法	mAP/%	FPS	FLOPs/G	Params/M
SSD	73.3	71	78.4	26.3
Faster R-CNN	76.8	63	75.1	137.1
YOLOv3	85.7	125	96.3	61.5
YOLOv5s	84.1	236	64.7	10.7
TPH-YOLOv5	82.3	69	125.6	26.1
YOLOv7	79.9	101	105.4	37.2
YOLOv8l	86.4	117	155.4	43.6
PAW-YOLOv7	89.7	54	97.8	25.4

Table 3. Comparative experimental data of each algorithm on self-constructed dataset

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Table 3. Comparative experimental data of each algorithm on self-constructed dataset

算法	mAP/%	FPS	FLOPs/G	Params/M
SSD	57.9	67	78.4	26.3
Faster R-CNN	61.3	61	75.1	137.1
YOLOv3	59.7	137	96.3	61.5
YOLOv5s	66.5	242	64.3	10.7
TPH-YOLOv5	63.7	74	125.6	26.1
YOLOv7	68.1	98	105.1	37.2
YOLOv8l	65.9	106	155.4	43.6
PAW-YOLOv7	71.8	68	97.7	25.4

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Qinglei Luan, Xinyu Chang, Ye Wu, Conglong Deng, Yanqiong Shi, Zihua Chen. PAW-YOLOv7: algorithm for detection of tiny floating objects in river channels[J]. Opto-Electronic Engineering, 2024, 51(4): 240025-1

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Paper Information

Category: Article

Received: Jan. 25, 2024

Accepted: Mar. 12, 2024

Published Online: Jul. 8, 2024

The Author Email: Conglong Deng (邓从龙)

DOI:10.12086/oee.2024.240025

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology