Integration of visible/NIR spectroscopy and multispectral imaging for poultry carcass inspection

Bosoon Park; Yud-Ren Chen; R. W. Huffman

doi:10.1117/12.198871

6 January 1995 Integration of visible/NIR spectroscopy and multispectral imaging for poultry carcass inspection

Bosoon Park, Yud-Ren Chen, R. W. Huffman

Proceedings Volume 2345, Optics in Agriculture, Forestry, and Biological Processing; (1995) https://doi.org/10.1117/12.198871
Event: Photonics for Industrial Applications, 1994, Boston, MA, United States

Abstract

An integrated system which consisted of a visible/near-infrared spectroscopic subsystem and an intensified multispectral imaging subsystem was tested for its accuracy in separating abnormal (unwholesome) from normal poultry carcasses. The spectroscopic subsystem measured reflectance spectra of the poultry carcasses at wavelengths from 471 to 965 nm. For the multispectral imaging subsystem, the gray-level intensity of whole carcasses was measured using six different optical filters of 542, 571, 641, 700, 720, and 847 nm wavelengths. The preliminary results showed that, with the integrated system, there were no abnormal carcasses being misclassified as normal carcasses. When individual subsystem was used for classification, the error of the spectroscopic subsystem was 2.6% and that of the multispectral imaging subsystem was 3.9%. Thus, the integrated system could be used for separating carcasses into normal and abnormal streams. With perfect selection of normal carcasses in the normal carcass stream, the inspector needs only inspect the abnormal carcass stream. Thus, the through-put of carcasses of the processing line per inspector could be greatly increased.

Citation Download Citation

Bosoon Park, Yud-Ren Chen, and R. W. Huffman "Integration of visible/NIR spectroscopy and multispectral imaging for poultry carcass inspection", Proc. SPIE 2345, Optics in Agriculture, Forestry, and Biological Processing, (6 January 1995); https://doi.org/10.1117/12.198871

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