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    • 8. 发明申请
    • Liquid Level Detection Method
    • 液位检测方法
    • US20100322462A1
    • 2010-12-23
    • US12486220
    • 2009-06-17
    • Jyh-Hong WuFang-Pang LinYi-Hao HsiaoTe-Lin Chung
    • Jyh-Hong WuFang-Pang LinYi-Hao HsiaoTe-Lin Chung
    • G06K9/00
    • G06K9/00G06K2209/03
    • A liquid level detection method includes capturing an image of a liquid surface, a structural surface, and graduation markings provided on the structural surface using an image-capturing device to thereby obtain an initial image. Subsequently, the initial image is processed so as to generate a processed image, and a level reference value of the liquid surface is obtained from the processed image. The level reference value represents a height of the liquid surface in terms of inherent characteristics of the processed image. Lastly, a liquid level of the liquid surface is calculated based on a relative proportional relation among the level reference value, an overall height of the processed image interms of the inherent characteristics of the processed image, and dimensions of any one of the initial and processed images relative to the graduation markings.
    • 液面检测方法包括使用图像捕获装置捕获设置在结构表面上的液面,结构表面和刻度标记的图像,从而获得初始图像。 随后,处理初始图像以产生处理图像,并且从处理图像获得液面的液位参考值。 水平参考值表示处理图像的固有特性方面的液面的高度。 最后,基于水平参考值,经处理图像的固有特性的处理图像间隔的总高度与初始和已处理图像中的任何一个的尺寸之间的相对比例关系来计算液面的液位 相对于毕业标记的图像。