Validated from ground truth data, the result shows that MODIS data has great potential in fog detection.

结果表明，MODIS数据在雾检测方面具有很大的潜力。

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When the ground truth is given, performance evaluation can be readily carried out by comparing detected edges with the ground truth edges.

当有背景时，性能评估可以通过将检测到的边界与真实背景作比较得出。

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Those who manage information resources for research and teaching would take it as ground truth that research is a global and distributed phenomenon.

为了研究及教学而管理资讯资源的那些人，将研究是一种全世界性并且被分布的现象当作基础的事实。

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Curiosity's discovery at its landing site in the equatorial Gale Crater provides the first real ground truth for those observations.

BBC: Curiosity Mars rover beams images of ancient streambed

Since 2008, the firm's Ground Truth project has mashed together licensed data with information gathered by its own fleet of Street View cars and bicycles.

BBC: Google Maps back on iPhone after Apple software fiasco

Beyond Ground Truth, Google also aims to improve its service by mapping the interiors of more buildings - the current emphasis is on transport hubs, shopping centres, museums and business that pay for an approved photographer to visit them.

BBC: Google Maps uses Ground Truth project to battle Apple