Morphological Image Library : Smil vs scikit-image

On taurus

Image cells - Type bin - Function erode


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 12:16:33 PM
Image    : cells.png
  width  :   256
  height :   256
  depth  :     1
  type   : binary
Function : erode
  repeat :     7


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                       *** Image size ***                       

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       0.055       0.000       0.054       0.056 - (ms)
  2.0 -    512  1 -       0.050       0.000       0.049       0.050 - (ms)
  4.0 -   1024  1 -       0.076       0.000       0.076       0.076 - (ms)
  8.0 -   2048  1 -       0.100       0.000       0.100       0.100 - (ms)
 16.0 -   4096  1 -       0.268       0.000       0.268       0.268 - (ms)
 32.0 -   8192  1 -       1.610       0.092       1.571       1.834 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       0.763       0.001       0.762       0.765 - (ms)
  2.0 -    512  1 -       3.095       0.006       3.090       3.109 - (ms)
  4.0 -   1024  1 -      12.245       0.036      12.184      12.289 - (ms)
  8.0 -   2048  1 -      54.058       0.263      53.750      54.449 - (ms)
 16.0 -   4096  1 -     218.265       0.309     217.747     218.854 - (ms)
 32.0 -   8192  1 -     880.015       1.521     878.048     881.959 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
    256 |       0.055 |       0.763 |         13.922  1.144
    512 |       0.050 |       3.095 |         62.303  1.795
   1024 |       0.076 |      12.245 |        161.638  2.209
   2048 |       0.100 |      54.058 |        539.597  2.732
   4096 |       0.268 |     218.265 |        813.952  2.911
   8192 |       1.610 |     880.015 |        546.759  2.738

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

* Elapsed time : 95.2 s

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                *** Structuring element size ***                

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -       0.103       0.001       0.102       0.105 - (ms)
  8.0 -   2048  2 -       0.144       0.004       0.141       0.149 - (ms)
  8.0 -   2048  3 -       0.184       0.000       0.184       0.185 - (ms)
  8.0 -   2048  4 -       0.227       0.000       0.227       0.228 - (ms)
  8.0 -   2048  5 -       0.273       0.007       0.269       0.290 - (ms)
  8.0 -   2048  6 -       0.314       0.000       0.313       0.314 - (ms)
  8.0 -   2048  7 -       0.362       0.000       0.361       0.363 - (ms)
  8.0 -   2048  8 -       0.393       0.001       0.392       0.395 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -      53.867       0.298      53.345      54.139 - (ms)
  8.0 -   2048  2 -     115.759       0.397     115.436     116.702 - (ms)
  8.0 -   2048  3 -     209.133       0.024     209.102     209.175 - (ms)
  8.0 -   2048  4 -     372.126       6.488     369.063     388.007 - (ms)
  8.0 -   2048  5 -     542.453      12.512     535.359     570.752 - (ms)
  8.0 -   2048  6 -     724.559       0.095     724.431     724.731 - (ms)
  8.0 -   2048  7 -     946.431       1.554     945.373     949.365 - (ms)
  8.0 -   2048  8 -    1198.190       0.151    1198.038    1198.491 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
      1 |       0.103 |      53.867 |        524.981  2.720
      2 |       0.144 |     115.759 |        805.847  2.906
      3 |       0.184 |     209.133 |       1136.275  3.055
      4 |       0.227 |     372.126 |       1637.806  3.214
      5 |       0.273 |     542.453 |       1989.335  3.299
      6 |       0.314 |     724.559 |       2307.447  3.363
      7 |       0.362 |     946.431 |       2615.752  3.418
      8 |       0.393 |    1198.190 |       3046.961  3.484

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

* Elapsed time : 133.9 s


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=> Elapsed time : 230 secs
   Begin        : 12:16:32
   End          : 12:20:22