Position-invariant surface recognition and localization using infrared sensors

Billur Barshan; Tayfun Aytac

doi:10.1117/1.1621005

1 December 2003 Position-invariant surface recognition and localization using infrared sensors

Billur Barshan, Tayfun Aytac

Author Affiliations +

Optical Engineering, Vol. 42, Issue 12, (December 2003). https://doi.org/10.1117/1.1621005

Abstract

Low-cost infrared emitters and detectors are used for the recognition of surfaces with different properties in a location-invariant manner. The intensity readings obtained with such devices are highly dependent on the location and properties of the surface in a way that cannot be represented in a simple manner, complicating the recognition and localization process. We propose the use of angular intensity scans and present an algorithm to process them. This approach can distinguish different surfaces independently of their positions. Once the surface is identified, its position can also be estimated. The method is verified experimentally with the surfaces aluminum, white painted wall, brown kraft paper, and polystyrene foam packaging material. A correct differentiation rate of 87% is achieved, and the surfaces are localized within absolute range and azimuth errors of 1.2 cm and 1.0 deg, respectively. The method demonstrated shows that simple infrared sensors, when coupled with appropriate processing, can be used to extract a significantly greater amount of information than they are commonly employed for.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Billur Barshan and Tayfun Aytac "Position-invariant surface recognition and localization using infrared sensors," Optical Engineering 42(12), (1 December 2003). https://doi.org/10.1117/1.1621005

Published: 1 December 2003

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