Morphological Image Library : Smil vs scikit-image

On nestor

Image tools - Type gray - Function open


SMIL (Simple Morphological Image Library) 1.0.0-dev
Copyright (c) 2011-2016, Matthieu FAESSEL and ARMINES
Copyright (c) 2017-2021, CMM - Centre de Morphologie Mathematique
All rights reserved.

Date     : 30/09/2021 04:10:50 PM
Image    : tools.png
  width  :   256
  height :   256
  depth  :     1
  type   : gray
Function : open
  repeat :     7


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                       *** Image size ***                       

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       0.030       0.000       0.030       0.030 - (ms)
  2.0 -    512  1 -       0.061       0.000       0.061       0.061 - (ms)
  4.0 -   1024  1 -       0.183       0.000       0.183       0.183 - (ms)
  8.0 -   2048  1 -       0.703       0.000       0.703       0.704 - (ms)
 16.0 -   4096  1 -       4.350       0.001       4.349       4.351 - (ms)
 32.0 -   8192  1 -      17.261       0.008      17.252      17.278 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       2.369       0.001       2.368       2.370 - (ms)
  2.0 -    512  1 -       6.555       0.000       6.555       6.556 - (ms)
  4.0 -   1024  1 -      26.332       0.024      26.279      26.346 - (ms)
  8.0 -   2048  1 -     110.728       0.026     110.709     110.788 - (ms)
 16.0 -   4096  1 -     437.211       0.011     437.195     437.233 - (ms)
 32.0 -   8192  1 -    1746.765       0.091    1746.699    1746.976 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
    256 |       0.030 |       2.369 |         79.387  1.900
    512 |       0.061 |       6.555 |        107.714  2.032
   1024 |       0.183 |      26.332 |        144.208  2.159
   2048 |       0.703 |     110.728 |        157.401  2.197
   4096 |       4.350 |     437.211 |        100.504  2.002
   8192 |      17.261 |    1746.765 |        101.197  2.005

  - [*] : ratio and log10(ratio) in columns

* Elapsed time : 101.5 s

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                *** Structuring element size ***                

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -       0.721       0.066       0.682       0.862 - (ms)
  8.0 -   2048  2 -       1.293       0.000       1.292       1.293 - (ms)
  8.0 -   2048  3 -       1.928       0.002       1.926       1.930 - (ms)
  8.0 -   2048  4 -       2.587       0.008       2.580       2.598 - (ms)
  8.0 -   2048  5 -       3.169       0.000       3.169       3.169 - (ms)
  8.0 -   2048  6 -       3.836       0.000       3.835       3.837 - (ms)
  8.0 -   2048  7 -       4.466       0.001       4.465       4.468 - (ms)
  8.0 -   2048  8 -       5.030       0.003       5.028       5.037 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -     110.788       0.006     110.779     110.798 - (ms)
  8.0 -   2048  2 -     206.635       0.012     206.616     206.650 - (ms)
  8.0 -   2048  3 -     363.356       0.022     363.315     363.381 - (ms)
  8.0 -   2048  4 -     518.438       0.042     518.383     518.502 - (ms)
  8.0 -   2048  5 -     713.020       0.245     712.854     713.615 - (ms)
  8.0 -   2048  6 -     946.438       0.086     946.365     946.613 - (ms)
  8.0 -   2048  7 -    1218.505       0.041    1218.458    1218.567 - (ms)
  8.0 -   2048  8 -    1530.806       0.078    1530.684    1530.920 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
      1 |       0.721 |     110.788 |        153.557  2.186
      2 |       1.293 |     206.635 |        159.862  2.204
      3 |       1.928 |     363.356 |        188.470  2.275
      4 |       2.587 |     518.438 |        200.387  2.302
      5 |       3.169 |     713.020 |        225.017  2.352
      6 |       3.836 |     946.438 |        246.711  2.392
      7 |       4.466 |    1218.505 |        272.811  2.436
      8 |       5.030 |    1530.806 |        304.306  2.483

  - [*] : ratio and log10(ratio) in columns

* Elapsed time : 139.3 s


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=> Elapsed time : 242 secs
   Begin        : 16:10:49
   End          : 16:14:51