Applying optimized YOLOv8 for heritage conservation: enhanced object detection in Jiangnan traditional private gardens

Heritage Science

Table 1 The ablation experiment results

Modules	Add DBB	Add BiFPN block	Add DyHead attention	Precision (%)	Recall (%)	mAP@0.5(%)	mAP@0.5:0.95(%)
YOLOv8n	×	×	×	57.4	53.5	55.3	26.1
YOLOv8n-C2f-DBB	○	×	×	64.2	51.2	58.2	28.1
YOLOv8n-bifpn	×	○	×	60.2	51.4	56.8	27.5
YOLOv8n-dyhead	×	×	○	56.8	48.5	51.7	26.9
YOLOv8n-bifpn-dyhead	×	○	○	61.1	52.7	60.6	28.9
YOLOv8n-C2f-DBB-bifpn	○	○	×	64.8	53.2	62.5	30.1
YOLOv8n-C2f-DBB-dyhead	○	×	○	63.2	52.0	58.8	29.8
YOLOv8n-modify	○	○	○	66.1	46.7	57.1	29.2