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Sharpness Interpretation

Sharpness Scale

Sharpness Units

Description

0-20 SU

Very low sharpness, indicating a highly blurred reflection with indistinct edges.

21-40 SU

Low sharpness, where the reflected image is somewhat blurry but edges are more discernible.

41-60 SU

Moderate sharpness, with clearer edges and a more distinct reflected image.

61-80 SU

High sharpness, showing a very clear and distinct reflected image with sharp edges.

81-100 SU

Very high sharpness, indicating an exceptionally clear reflection with extremely sharp and well-defined edges.

Relationship Between DOI and Sharpness

While both DOI and sharpness are measures of image clarity in reflections, they focus on slightly different aspects:

  • DOI evaluates the overall clarity and distinctness of the entire reflected image.

  • Sharpness specifically assesses the clarity and definition of the edges within the reflected image.

07 March 2025