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首页> 外文期刊>Talanta: The International Journal of Pure and Applied Analytical Chemistry >Discrimination of grassland species and their classification in botanical families by laboratory scale NIR hyperspectral imaging: Preliminary results
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Discrimination of grassland species and their classification in botanical families by laboratory scale NIR hyperspectral imaging: Preliminary results

机译：实验室规模的近红外高光谱成像对植物家庭中草地物种的区分及其分类：初步结果

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摘要

The objective of this study was to discriminate by a NIR line scan hyperspectral imaging, taxonomic plant families comprised of different grassland species. Plants were collected from semi-natural meadows of the National Apuseni Park, Apuseni Mountains, Garda area (Romania) according to botanical families. Chemometric tools such as PLS-DA were used to discriminate distinct grassland species, and assign the different species to botanical families. Species within the Poacea family and other Botanical families could be distinguished (R~2=0.91 and 0.90, respectively) with greater accuracy than those species in the Fabacea family (R~2=0.60). A correct classification rate of 99% was obtained in the assignment of the various species to the proper family. Moreover a complete study based on wavelength selection has been performed in order to identify the chemical compound related to each botanical family and therefore to the possible toxicity of the plant. This work could be considered as a first step for the development of a complete procedure for the detection and quantification of possible toxic species in semi-natural meadows used by grazing animals.
机译：这项研究的目的是通过NIR线扫描高光谱成像来区分由不同草地物种组成的分类植物科。根据植物科，从罗马尼亚加尔达地区阿普塞尼山国家阿普塞尼公园的半天然草地上收集植物。化学计量学工具（例如PLS-DA）用于区分不同的草原物种，并将不同的物种分配给植物科。与Fabacea家族中的物种（R〜2 = 0.60）相比，Poacea家族和其他植物家族中的物种（分别为R〜2 = 0.91和0.90）具有更高的准确度。通过将各种物种分配给适当的科目，正确分类率为99％。此外，已经进行了基于波长选择的完整研究，以鉴定与每个植物科以及因此与植物的可能毒性有关的化合物。这项工作可以被视为开发用于检测和定量放牧动物使用的半天然草地中可能有毒物种的完整程序的第一步。

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