Quantifying graininess in metallic coatings using spatial and frequency-domain image descriptors: A comparison with visual perception

Key Points

• Graininess in metallic coatings is effectively quantified using spatial and frequency-domain image descriptors.
• A key finding indicates that quantification methods align closely with human visual perception metrics.
• The analysis employed various image descriptors to assess the graininess of metallic coatings under specific conditions.
• This study highlights the importance of precise image descriptors for evaluating surface characteristics in industrial applications.