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Measuring Angles In Digital Images

This presentation by Stephen Schneider explores the significance of measuring angles in digital images, specifically focusing on natural patterns like leaf and branch angles. It delves into the historical accuracy of Eratosthenes' calculation of the Earth's circumference using angle measurements from Cairo. Schneider also invites speculation on the diagnostic potential of angles in facial recognition and the human family tree. The interconnection between geometry and nature is emphasized, highlighting the importance of angular measurement in various fields.

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Measuring Angles In Digital Images

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  1. Measuring Angles In Digital Images Presented by Stephen Schneider

  2. Angles in Nature leaf branching angles

  3. Eratosthenes: The Size of the Earth Eratosthenes realized: Distance/Circumference = Angle / 360 (from Cairo) Circumference = 700 km × 360 / Angle = …

  4. Eratosthenes: The Size of the Earth (cont) Eratosthenes realized: Distance/Circumference = Angle / 360 Circumference = 700 km × 360 / 6.5° = 38769.2308 km Circumference = 700 km × 360 / 6.5° Circumference = 700 km × 360 / 6.5° = 38769.2308 km ≈ 40,000 km

  5. Human Family Tree Try to line up teeth (near and far) so they make a straight line —unlike this image Facial Slope

  6. Facial Recognition What other angles do you think might be diagnostic?

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