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In order to improve the accuracy and efficiency of land and resources mapping, a rapid land and resources image mosaic method based on UAV remote sensing information was proposed. Firstly, by estimating the height and angle of aerial photography, the land and resources mapping images with high accuracy were obtained. Then, the corresponding feature detection algorithm combined with BRIEF (binary robust independent elementary features)algorithm was used to describe the feature rotation invariance. Next, KNN (K-nearest neighbor) algorithm was used to match feature points to achieve precise extraction. Finally, the SPHP (shape-preserving half-projective warps for image stitching)algorithm was used for image fusion, and the image mosaic is completed. The experimental results show that the designed land and resources image rapid splicing method can realize accurate mapping of land and resources, ensure the mapping efficiency, and has certain application value.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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