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Potential of reflected UV imaging technique for detection of defects on the surface area of mango

  • Krishna Kumar PatelEmail author
  • A. Kar
  • M. A. Khan
Original Article
  • 19 Downloads

Abstract

Surface defects such as mechanical damage, black lesion, latex stains and shriveling of mango fruit are very common and responsible for lowering of market prices as well as postharvest losses. Current research, thus, focused on the study of reflected ultraviolet imaging (UV) technique, its potential of detecting defected mangoes and to develop a computer vision system which could find the reflected area on injured or defected mango’s surface. The visual visualization of the bruised areas was noticed different when viewed under 15 W fluorescent UV tube (100–400 nm) light by UV camera. Hidden defects on fruit’s surface detected just after the image acquisition by UV camera and brightness enhancement. Defected or injured surface of mangoes recognized easily by reflected UV imaging at 400 nm band-pass filter. The seriousness of injuries which were not detected by RGB color camera, detected by reflected UV imaging technique exactly.

Keywords

Ultraviolet Reflected imaging Non-destructive Mango defects Computer vision 

Notes

Acknowledgements

This work was supported by the National Agricultural Innovation Project, Indian Council of Agricultural Research through its subproject entitled “Development of non-destructive system for evaluation of microbial and physico-chemical quality parameters of mango” (C1030).

Supplementary material

13197_2019_3597_MOESM1_ESM.docx (17 kb)
Supplementary material 1 (DOCX 17 kb)

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Copyright information

© Association of Food Scientists & Technologists (India) 2019

Authors and Affiliations

  1. 1.Division of Food Science and Post Harvest TechnologyIARINew DelhiIndia
  2. 2.Department of Post Harvest Engineering and TechnologyAligarh Muslim UniversityAligarhIndia

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