Altitude is the angle between a line that crosses a plane and its projection on it, ranging from 0° (if the line is contained in the plane) to 90° (if the line is orthogonal to the plane). This measure is a component of the pen orientation in handwriting capture devices.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2009 Springer Science+Business Media, LLC
About this entry
Cite this entry
(2009). Altitude. In: Li, S.Z., Jain, A. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-73003-5_1023
Download citation
DOI: https://doi.org/10.1007/978-0-387-73003-5_1023
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-73002-8
Online ISBN: 978-0-387-73003-5
eBook Packages: Computer ScienceReference Module Computer Science and Engineering