Short-wave infrared imaging used in fruit bruising inspection

Short-wave infrared (SWIR) imaging provides beneficial insight into the state and quality of intricate fresh produce, such as apples, which the naked eye cannot. SWIR imaging makes it possible to observe the otherwise unobservable. As opposed to long-wave (LWIR) and mid-wave infrared (MWIR) irradiation, which are produced by the item, SWIR light undergoes absorption or reflection by an item, generating the sharp contrast required for high-res imaging.

SWIR technology has established itself among the most successful methods for enhancing quality check operations in the food industry in recent times. Inspecting food is an important part of the business since it guarantees that only the finest specimens make it through the manufacturing process.

Importance of bruise inspection in fruits
Bruise damage to fruits, resulting mainly from excess impacts as well as compressive stresses on concentrated locations of the fruit surface, is widespread and recognized as a leading cause of fruit degradation and quality decline.

The bruises reduce fresh product commercial acceptance rates and post-harvesting losses throughout the horticulture supply chain owing to devaluation or downright refusal, adding to waste and the accompanying adverse economic, social, and environmental implications.


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