Content By Geraldine S. Cheok, Alan M. Lytle, and Kamel S. Saidi, Ph.D.

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Standards for 3-D Imaging Systems
By Geraldine S. Cheok, Alan M. Lytle, and Kamel S. Saidi, Ph.D.

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Geraldine S. Cheok, Alan M. Lytle, and Kamel S. Saidi, Ph.D.

3-D Imaging Terminology

One of the documents to come out of committee E57 was E2544-08 -- "Standard terminology for three- dimensional (3-D) imaging systems." What follows is an excerpt from the document of some of the 3-D imaging terminology. To keep the excerpt short, we have included the definition of just a few of the terms listed.

3.2 Definitions of terms specific to this standard

3-D imaging system--a noncontact measurement instrument used to produce a 3-D representation (e.g., a point cloud) of an object or a site.

 

Angular increment--the angle between samples, Da, where Da = ai- ai-1, in either the azimuth or elevation directions (or a combination of both) with respect to the instrument’s internal frame of reference