by Discount Bluehost


Published: Sunday, 22 December 2013

For the visualization in 3D use view3d

Exercise 1.

Image: lettre_a.pgm, tore.pgm, tores.pgm, chaise.pgm, chaine.pgm, vertebre.pgm

Task: Fill up the holes (tunnels) in the images. Use the suggested operators.

Operators: toposhrink, holeclosing

Exercise 2.

Image: up.pgm

Task: Segment the cells on the image

  1. Try out a simple threshold (You can try manipulate)
  2. Try grayscale skeletonization (htkern)
  3. Try grayscale value based skeleton filtering (lambdaskel)

Operators: htkern, minima, lambdaskel

Exercise 3.

  angiogra.pgm     lenna.pgm     paves.pgm

Image: angiogra.pgm, lennab.pgm, pave.pgm

Task: Eliminate the noise

  1. Gaussian Blur (gaussianfilter)
  2. median filter, rankfilters (rankfilter)
  3. topological upper filter (tuf)

Operators: rankfilter, tuf, taf

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