Research on Branch and Foliage Separation Method with Point Transformer v2

树种	地区	经纬度	扫描仪	平均密度/ha⁻¹	平均高度(std)/m	样地数目
红松	加拿大	44.077° N,79.323° W	IlrisHD	458	25.47	1
颤杨	加拿大	49.349° N,114.411° W	IlrisHD/IlrisLR	629	13.19	2
黑松	加拿大	49.646° N,114.095° W	IlrisHD	1655	17.55	2
糖枫	加拿大	44.077° N,79.323° W	IlrisHD	340	22.72	1
欧洲赤松	芬兰	61.205° N, 25.069° E	Leica HDS6100	381	22.44	3
挪威云杉	芬兰	61.205° N, 25.069° E	Leica HDS6100	563	21.67	3
银桦	芬兰	61.205° N, 25.069° E	Leica HDS6100	967	16.73	1

Table 2. The evaluation results of different networks %
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Table 2. The evaluation results of different networks %
OA mIoU mAcc
PointNet++^[17] 81.37 59.52 72.88
SPG^[31] 85.50 65.20 -
PointCNN^[32] 83.40 61.30 -
AssaNet^[33] 91.38 76.22 82.20
PT v2^[19] 93.70(±0. 7) 76.60(±3.3) 83.20(±4.3)

Table 3. Performance comparison of difference module strategies
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Table 3. Performance comparison of difference module strategies
方法注意力模块多重位置编码相对位置编码 mIoU/%
1 √ √ √ 83.92
2 √ × √ 81.21
3 × × √ 76.83

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Jin MA, Yiping CHEN, Ting HAN, Chaolei WANG, Xiaohai ZHANG, Wuming ZHANG. Research on Branch and Foliage Separation Method with Point Transformer v2[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(3): 62

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