利用计算机视觉技术提取稻谷的主要外形特征，初步建立了稻谷品种数据库。

A database was established to store external features of rice varieties extracted by computer vision.

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测试指南和已知品种数据库的建立为紫薇新品种选育、规范我国紫薇品种、紫薇品种资源圃的建立、新品种保护等方面奠定了理论基础。

The objective of this study is to provide scientific bases for seeking and conservation of new varieties, order existing varieties, establishment of L. indica varieties pool, protection new varieties.

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