Added wave resistance prediction and comparative study based on point cloud feature extraction

Table 1. Corresponding speed of each ship model test of S60
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Table 1. Corresponding speed of each ship model test of S60
C_B Fn₁ Fn₂
0.60 0.266 0.283
0.65 0.237 0.254
0.70 0.207 0.222
0.75 0.177 0.195

Table 2. The impact of pre-training optimization on the prediction effect on the test set

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Table 2. The impact of pre-training optimization on the prediction effect on the test set

	训练轮次	R²
	训练轮次	C_B = 0.60	C_B = 0.65	C_B = 0.70	C_B = 0.75	C_B = 0.80
优化前	50	0.797	0.808	0.911	0.494	0.712
	100	0.885	0.871	0.898	0.746	0.838
	150	0.882	0.892	0.895	0.743	0.846
优化后	50	0.896	0.853	0.883	0.711	0.876
	100	0.895	0.899	0.904	0.712	0.868
	150	0.897	0.900	0.899	0.714	0.868

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Mingfeng WU, Renchuan ZHU, Dekang XU. Added wave resistance prediction and comparative study based on point cloud feature extraction[J]. Chinese Journal of Ship Research, 2025, 20(2): 227

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