ground truth

基本解释

Broderick’s pattern-recognition process told him that these contrary reports were the ground truth he was looking for.
Broderick的模式识别系统告诉他这个矛盾的报道就是他所等待的“真正的事实”。
However, the independent validation for these techniques have not been carried out due to difficulties in accessing ground truth of snow covered area.
但是，缺乏相对独立的验证手段来评价各种分类方法，其主要原因是缺乏地面真实状态数据。
These experiences had taught him that early reports surrounding a major event are often false: It’s better to wait for the “ground truth” from a reliable source before acting.
这些经验都告诉他通常一个重要事件的早期报告都是错的——在实际行动前最好是等待可靠的来源给出“真正的事实”。

The technology processes remote-sensing data, including data from the LANDSAT and RADAR satellites, in combination with ground truth data provided by a ground penetrating radar and other information drawn from geological, hydrogeological, geographical, hydrological and climate data and, when dealing with deep aquifers, seismological data.
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The Mountain View, California has also driven more than 5 million unique miles as part of its five-year quest (called project Ground Truth) to build more accurate maps from its own raw data rather than licensing map content from others, said Brian McClendon, head of Google maps.
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