Table 2 Experimental results of trunk lightweighting comparison.

From: Lightweight detection and segmentation of crayfish parts using an improved YOLOv11n segmentation model

Backbone network

Box

Seg

Parameters/M

Computation/GFLOPs

Model size/MB

mAP@0.5/%

R/%

mAP@0.5/%

R%

YOLOv11n

96.8

94.2

95.9

93.7

2.9

10.2

5.7

HGNetV2

96.4

93.7

95.5

93.3

2.4

9.6

5.3

Ghostnet

96.9

94.4

96

94

3.4

11.6

6.9

EfficientviT

96.7

94

95.9

93.5

4

11.8

8.4

Mobilenetv4

96.7

93.8

95.6

92.9

5.7

24.9

11.3

Fasternet

96.6

94.1

96

94

4.2

13.1

8.3

Repvit

96.7

94.2

96

93.9

6.7

20.9

13.4

D-HGNetV2

96.6

94.1

95.8

93.7

2.6

9.4

5.4