Table 5. Results of ablation experiments (numbers in bold are the best indicator results).

Dataset	Method	Backbone	mIoU(%)	mF1(%)	mPrecision(%)	mRecall(%)
Kvasir-instrument	Baseline	LDCNet	93.22	95.90	96.76	95.08
	Baseline with FPN	LDCNet	93.27	96.41	96.99	96.04
	Baseline with CCAM	LDCNet	92.83	96.19	96.56	95.83
	Ours	DenseNet	90.85	90.05	95.37	94.74
	Ours	ResNet	92.94	96.25	96.60	95.92
	Ours	LDCNet	93.29	96.45	97.01	95.90
Endovis2017	Baseline	LDCNet	95.63	97.73	97.58	97.89
	Baseline with FPN	LDCNet	95.66	97.62	97.52	97.98
	Baseline with CCAM	LDCNet	95.75	97.80	97.50	98.10
	Ours	DenseNet	95.00	97.39	97.22	97.57
	Ours	ResNet	95.54	97.68	97.74	97.89
	Ours	LDCNet	95.85	97.84	97.69	98.00