During the field survey, ground-truthing data were collected using a handheld GPS device for the identification of LSMA.
In discussing the terrorism threat, Mr. Kelly, 60, put the issue in personal terms, describing how he and his wife had surveyed ground zero from the roof of their apartment in Lower Manhattan.
In aerial photogrammetry surveying, ground control points (GCPs), which are identifiable object with a known size, are selected so that the scale of the model can be set in real world units.
The non-permissible (NP) fluoride samples (in percentage) were obtained after overlaying the surveyed ground sampled points in all the different classes of each theme which were then given weightage according to weighted sum method (WSM), in the range 1 10, according to their percentage of fluoride contamination.
Farke and a group of students were prospecting for fossils in Utah's Grand Staircase-Escalante National Monument, surveying ground Farke had already covered.
They were demonstrating against what they call an illegal land survey on ground they consider their own.
"People don't even want to tell you where the compound is," Mr. Combs said, as he surveyed the grounds today with his wife, Judy.
The model is evaluated using a survey as ground-truth for influence ranking.
One final task is to survey the ground under Curiosity using its Dynamic Albedo of Neutrons (Dan) instrument.
It is difficult to achieve a comprehensive and efficient survey using ground surveys and/or aerial photographs, however, because both methods are unable to detect small displacements of several centimeters, and the ability to make repeated surveys is limited.
