Development of fast line scanning imaging algorithm for diseased chicken detection

Chun-Chieh Yang; Kuanglin Chao; Yud-Ren Chen; Moon S. Kim

doi:10.1117/12.629754

8 November 2005 Development of fast line scanning imaging algorithm for diseased chicken detection

Chun-Chieh Yang, Kuanglin Chao, Yud-Ren Chen, Moon S. Kim

Proceedings Volume 5996, Optical Sensors and Sensing Systems for Natural Resources and Food Safety and Quality; 59960C (2005) https://doi.org/10.1117/12.629754
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

A hyperspectral line-scan imaging system for automated inspection of wholesome and diseased chickens was developed and demonstrated. The hyperspectral imaging system consisted of an electron-multiplying charge-coupled-device (EMCCD) camera and an imaging spectrograph. The system used a spectrograph to collect spectral measurements across a pixel-wide vertical linear field of view through which moving chicken carcasses passed. After a series of image calibration procedures, the hyperspectral line-scan images were collected for chickens on a laboratory simulated processing line. From spectral analysis, four key wavebands for differentiating between wholesome and systemically diseased chickens were selected: 413 nm, 472 nm, 515 nm, and 546 nm, and a reference waveband, 622 nm. The ratio of relative reflectance between each key wavelength and the reference wavelength was calculated as an image feature. A fuzzy logic-based algorithm utilizing the key wavebands was developed to identify individual pixels on the chicken surface exhibiting symptoms of systemic disease. Two differentiation methods were built to successfully differentiate 72 systemically diseased chickens from 65 wholesome chickens.

Citation Download Citation

Chun-Chieh Yang, Kuanglin Chao, Yud-Ren Chen, and Moon S. Kim "Development of fast line scanning imaging algorithm for diseased chicken detection", Proc. SPIE 5996, Optical Sensors and Sensing Systems for Natural Resources and Food Safety and Quality, 59960C (8 November 2005); https://doi.org/10.1117/12.629754

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