ground truth

基本解釋

Broderick’s pattern-recognition process told him that these contrary reports were the ground truth he was looking for.
Broderick的模式識別系統(tǒng)告訴他這個矛盾的報道就是他所等待的“真正的事實”。
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，缺乏相對獨立的驗證手段來評價各種分類方法，其主要原因是缺乏地面真實狀態(tài)數據。
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.
這些經驗都告訴他通常一個重要事件的早期報告都是錯的——在實際行動前最好是等待可靠的來源給出“真正的事實”。

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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