Using image analysis to develop reference standards for the video trashmeter

Devron P. Thibodeaux; Janice P. Evans

doi:10.1117/12.198872

6 January 1995 Using image analysis to develop reference standards for the video trashmeter

Devron P. Thibodeaux, Janice P. Evans

Proceedings Volume 2345, Optics in Agriculture, Forestry, and Biological Processing; (1995) https://doi.org/10.1117/12.198872
Event: Photonics for Industrial Applications, 1994, Boston, MA, United States

Abstract

Results of research to develop a reference method for calibrating standard dot image tiles and cotton trash boxes are reported. The tiles and trash boxes are produced by the Agricultural Marketing Service for use in standardizing HVI Video Trashmeters. The reference method involves use of a highly sensitive image analysis system (the Quantimet 970) to measure the number and percent area fraction of particle images produced on the replica tiles or of real trash particles placed on the surface of cotton incased in plastic boxes. Calibration data for a set of tiles and boxes is presented. The effects of magnification (system resolution) and detection threshold are investigated as related to measurement accuracy.

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Devron P. Thibodeaux and Janice P. Evans "Using image analysis to develop reference standards for the video trashmeter", Proc. SPIE 2345, Optics in Agriculture, Forestry, and Biological Processing, (6 January 1995); https://doi.org/10.1117/12.198872

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KEYWORDS

Image analysis

Particles

Calibration

Standards development

Video

Image resolution

Image processing

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