Surface morphology of chalkboard tips captures the uniqueness of the user's hand strokes

Mathematics

• Surface Morphology 100%
• Stroke 66%
• Neural Networks 48%
• Uniqueness 37%
• Test Set 33%
• Photometric Stereo 16%
• Classification and Regression Trees 14%
• Molding 12%
• Linear Discriminant Analysis 11%
• Topography 11%
• Biometrics 10%
• Threefolds 9%
• Standards 9%
• Principal Component Analysis 9%
• Training 9%
• Signature 8%
• Fold 7%
• Human 7%
• Directly proportional 7%
• Physics 7%
• Prediction 6%
• Three-dimensional 6%
• Demonstrate 5%

Physics & Astronomy

• chalk 77%
• uniqueness 59%
• strokes 58%
• biometrics 13%
• principal components analysis 10%
• lectures 10%
• regression analysis 8%
• education 8%
• topography 8%
• signatures 6%
• physics 5%

Engineering & Materials Science

• Surface morphology 58%
• Neural networks 31%
• Topography 9%
• Discriminant analysis 9%
• Molding 8%
• Biometrics 8%
• Principal component analysis 8%
• Physics 7%
• Set theory 5%