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Research on coding and decoding method for digital levels |
Applied Optics, Vol. 50, Issue 3, pp. 356-359 (2011)
http://dx.doi.org/10.1364/AO.50.000356
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Abstract
A new coding and decoding method for digital levels is proposed. It is based on an area-array CCD sensor and adopts mixed coding technology. By taking advantage of redundant information in a digital image signal, the contradiction that the field of view and image resolution restrict each other in a digital level measurement is overcome, and the geodetic leveling becomes easier. The experimental results demonstrate that the uncertainty of measurement is
© 2011 Optical Society of America
OCIS Codes
(110.2960) Imaging systems : Image analysis
(120.2830) Instrumentation, measurement, and metrology : Height measurements
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: August 19, 2010
Revised Manuscript: November 20, 2010
Manuscript Accepted: December 8, 2010
Published: January 17, 2011
Citation
Li-fen Tu and Si-dong Zhong, "Research on coding and decoding method for digital levels," Appl. Opt. 50, 356-359 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-3-356
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