13-Dec-2018 11:19:02

SVD_GRAY_TEST
  MATLAB version.
  Test the SVD_GRAY library.
13-Dec-2018 11:19:02
SVD_GRAY
  Demonstrate SVD image compression on a gray scale image.
  Image consists of N columns of length M
  SVD approximations use linear combinations of R optimal
  columns, with R << N.

  Image rows M =     360
  Image columns N =  460
  Image pixels M*N = 165600
fig_num = 0
  Graphics saved as "svd_gray_original.png"
fig_num =  2
  Graphics saved as "svd_gray_singular_values.png"
  Compression = 0.004958, Partial sum = 0.197986
  Graphics saved as "svd_gray_approximation_1.png"
  Compression = 0.009915, Partial sum = 0.253982
  Graphics saved as "svd_gray_approximation_2.png"
  Compression = 0.024789, Partial sum = 0.374916
  Graphics saved as "svd_gray_approximation_5.png"
  Compression = 0.049577, Partial sum = 0.472615
  Graphics saved as "svd_gray_approximation_10.png"
  Compression = 0.099155, Partial sum = 0.586317
  Graphics saved as "svd_gray_approximation_20.png"
  Compression = 0.198309, Partial sum = 0.710827
  Graphics saved as "svd_gray_approximation_40.png"
  Compression = 0.396618, Partial sum = 0.840851
  Graphics saved as "svd_gray_approximation_80.png"

SVD_GRAY
  Normal end of execution.

13-Dec-2018 11:19:15

SVD_GRAY_TEST
  Normal end of execution.

13-Dec-2018 11:19:20