Detection of fecal contamination on beef meat surfaces using handheld fluorescence imaging device (HFID)

Mirae Oh; Hoonsoo Lee; Hyunjeong Cho; Sang-Ho Moon; Eun-Kyung Kim; Moon S. Kim

doi:10.1117/12.2227184

17 May 2016 Detection of fecal contamination on beef meat surfaces using handheld fluorescence imaging device (HFID)

Mirae Oh, Hoonsoo Lee, Hyunjeong Cho, Sang-Ho Moon, Eun-Kyung Kim, Moon S. Kim

Proceedings Volume 9864, Sensing for Agriculture and Food Quality and Safety VIII; 986411 (2016) https://doi.org/10.1117/12.2227184
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

Abstract

Current meat inspection in slaughter plants, for food safety and quality attributes including potential fecal contamination, is conducted through by visual examination human inspectors. A handheld fluorescence-based imaging device (HFID) was developed to be an assistive tool for human inspectors by highlighting contaminated food and food contact surfaces on a display monitor. It can be used under ambient lighting conditions in food processing plants. Critical components of the imaging device includes four 405-nm 10-W LEDs for fluorescence excitation, a charge-coupled device (CCD) camera, optical filter (670 nm used for this study), and Wi-Fi transmitter for broadcasting real-time video/images to monitoring devices such as smartphone and tablet. This study aimed to investigate the effectiveness of HFID in enhancing visual detection of fecal contamination on red meat, fat, and bone surfaces of beef under varying ambient luminous intensities (0, 10, 30, 50 and 70 foot-candles). Overall, diluted feces on fat, red meat and bone areas of beef surfaces were detectable in the 670-nm single-band fluorescence images when using the HFID under 0 to 50 foot-candle ambient lighting.

Citation Download Citation

Mirae Oh, Hoonsoo Lee, Hyunjeong Cho, Sang-Ho Moon, Eun-Kyung Kim, and Moon S. Kim "Detection of fecal contamination on beef meat surfaces using handheld fluorescence imaging device (HFID)", Proc. SPIE 9864, Sensing for Agriculture and Food Quality and Safety VIII, 986411 (17 May 2016); https://doi.org/10.1117/12.2227184

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