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Carsten Peterson

Expert

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Assessing cereal grain quality with a fully automated instrument using artificial neural network processing of digitized color video images

Författare

  • Peter Egelberg
  • Olle Mansson
  • Carsten Peterson

Redaktör

  • George E. Meyer
  • James A. DeShazer

Summary, in English

A fully integrated instrument for cereal grain quality assessment is presented. Color video images of grains fed onto a belt are digitized. These images are then segmented into kernel entities, which are subject to the analysis. The number of degrees of freedom for each such object is decreased to a suitable level for Artificial Neural Network (ANN) processing. Feed- forward ANN's with one hidden layer are trained with respect to desired features such as purity and flour yield. The resulting performance is compatible with that of manual human ocular inspection and alternative measuring methods. A statistical analysis of training and test set population densities is used to estimate the prediction reliabilities and to set appropriate alarm levels. The instrument containing feeder belts, balance and CCD video camera is physically separated from the 90 MHz Pentium PC computer which is used to perform the segmentation, ANN analysis and for controlling the instrument under the Unix operating system. A user-friendly graphical user interface is used to operate the instrument. The processing time for a 50 g grain sample is approximately 2 - 3 minutes.

Avdelning/ar

  • Computational Biology and Biological Physics

Publiceringsår

1995-01-01

Språk

Engelska

Sidor

146-158

Publikation/Tidskrift/Serie

Proceedings of SPIE - The International Society for Optical Engineering

Volym

2345

Dokumenttyp

Konferensbidrag

Förlag

Society of Photo-Optical Instrumentation Engineers

Ämne

  • Physical Sciences

Conference name

Optics in Agriculture, Forestry, and Biological Processing

Conference date

1994-11-02 - 1994-11-04

Conference place

Boston, MA, USA

Aktiv

Published

ISBN/ISSN/Övrigt

  • ISBN: 0819416789