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Gaussian Curvature

Gaussian Curvature. Gives where surface is convex, saddle, or flat Indicates surface shape at a pixel. Mean Curvature. The average of the principal curvatures If zero, minimal surface. Noise. Normal and Curvatures. Norm in Z direction. Norm in X direction. Norm in Y direction.

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Gaussian Curvature

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  1. Gaussian Curvature • Gives where surface is convex, saddle, or flat • Indicates surface shape at a pixel Mean Curvature • The average of the principal curvatures • If zero, minimal surface

  2. Noise

  3. Normal and Curvatures Norm in Z direction Norm in X direction Norm in Y direction Mean Curvature Gaussian Curvature

  4. Fixing Noise • Use the median to smooth • Save images in lossless format (such as .png) • Changing the range of values from 0 to 255 to 0 to 4000 • Allows more detail to be maintain

  5. Median Smoothed Gaussian Smoothed

  6. Testing • Extracted data • Made annotations • Trained and Tested

  7. Problems • Kinect Studio does not work on my computer • RGB and depth images are not in sync • Everything breaks

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