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首页> 外文会议>Conference on Sensing for Agriculture and Food Quality and Safety VIII >Detection of fecal contamination on beef meat surfaces using handheld fluorescence imaging device (HFID)
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Detection of fecal contamination on beef meat surfaces using handheld fluorescence imaging device (HFID)

机译：手持荧光成像装置（HFID）检测牛肉肉表面的粪便污染

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摘要

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.
机译：目前屠宰植物的肉类检查，用于食品安全和质量属性，包括潜在的粪便污染，通过视觉检查人类检查员进行。通过在显示器监视器上突出污染的食物和食物接触表面，开发了一种手持式荧光的成像装置（HFID）是人类检查员的辅助工具。它可以在食品加工厂的环境照明条件下使用。成像装置的关键部件包括四个用于荧光激励的405nm 10-W LED，电荷耦合器件（CCD）相机，滤光器（用于本研究的670nm），以及用于广播实时的Wi-Fi发射器视频/图像到监控智能手机和平板电脑等设备。本研究旨在探讨HFID在改变环境发光强度下提高红肉，脂肪和牛肉骨表面上粪便污染的视觉检测的有效性（0,10,30,50和70脚蜡烛）。总体而言，在使用0至50脚蜡烛环境照明下的HFID时，在670-NM单带荧光图像中可以检测到脂肪，红肉和骨骼区域的稀释粪便。

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