Red to far-red multispectral fluorescence image fusion for detection of fecal contamination on apples

► Application of line-scan hyperspectral imaging techniques for food safety inspection. ► Fluorescence imaging with 410 nm LED excitation for detection of feces on apples. ► Identification of 680, 684, 720, and 780 nm fluorescence bands for feces detection. ► Development of multispectral methods for detection of fecal contamination on apples.