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M. Lorraine Tighe, PhD
M. Lorraine Tighe, PhD
Dr. Tighe has a Ph.D. in Earth Sciences, a graduate degree in Remote Sensing and GIS, and a B.Sc. in Physics and Geology. Dr. Tighe has delivered lectures ranging from a half day workshop to a 4 week training program to over 2000 participants in USA, Canada, Jamaica, Brazil, Ecuador, Honduras, … More »

DEM Accuracy Webinar

August 13th, 2013 by M. Lorraine Tighe, PhD

The relationship between digital elevation model posting density and vertical accuracy is dependent on various terrain characteristics (e.g. slope, topographic variability, and land cover) as well as sensor characteristics (e.g. sensor type and viewing geometry). To obtain a better understanding of these relationships and of the factors that contribute to them, join Intermap and Carahsoft’s joint webinar entitled “The Importance of DEM Accuracy and How It’s Measured.” The webinar will present concise explanations about the difference between digital elevation model (DEM) resolution, precision, and accuracy, provide the primary statistical methods for determining elevation accuracy (RMSE, LE90, and LE95), as well as review what influences elevation accuracy, such as sensor technology and terrain characteristics.

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Please register for the webcast on “The Importance of DEM Accuracy and How it’s Measured” here:

About Carahsoft Technology Corp.: They are the trusted Government IT solutions providerFor more information about Carasoft please visit their website.

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