4
Online Bruise damage in fresh fruits and vegetables can be monitored by
(A) . Infrared imaging
(B) . Machine vision
(C) . Acoustic sensors
(D) . Hyperspectral imaging
Choose the correct answer from the options given below:
EXPLANATION
Food Packaging Materials & Barrier Polymers
- Non-Destructive Bruise Detection in Fruits and Vegetables:
- Modern automated packing lines deploy advanced non-invasive optical and sensor technologies:
- Infrared imaging: Detects thermal emissivity changes associated with damaged cell sap evaporation.
- Machine vision: High-speed digital camera systems classify external surface discoloration and skin abrasions.
- Acoustic sensors: Analyzes vibrational acoustic resonance frequencies and mechanical stiffness drops caused by internal tissue softening.
- Hyperspectral imaging: Combines spatial imaging and NIR spectroscopy to detect subsurface cellular bruising before visible symptoms appear.
- Conclusion: (A), (B), (C) and (D) (Option 3).
Correct option: (3) (A), (B), (C) and (D).
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