Morphological Image Library : Smil vs scikit-image

On taurus

Image balls - Type bin - 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 01:22:56 PM
Image    : balls.png
  width  :   256
  height :   256
  depth  :     1
  type   : binary
Function : open
  repeat :     7


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                       *** Image size ***                       

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       0.112       0.001       0.111       0.116 - (ms)
  2.0 -    512  1 -       0.099       0.000       0.099       0.100 - (ms)
  4.0 -   1024  1 -       0.151       0.002       0.148       0.153 - (ms)
  8.0 -   2048  1 -       0.214       0.001       0.213       0.216 - (ms)
 16.0 -   4096  1 -       0.506       0.004       0.502       0.510 - (ms)
 32.0 -   8192  1 -       2.461       0.001       2.460       2.462 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       1.672       0.003       1.669       1.677 - (ms)
  2.0 -    512  1 -       6.223       0.022       6.209       6.276 - (ms)
  4.0 -   1024  1 -      24.891       0.089      24.796      25.066 - (ms)
  8.0 -   2048  1 -     110.784       2.601     108.735     116.489 - (ms)
 16.0 -   4096  1 -     442.792       0.386     442.183     443.444 - (ms)
 32.0 -   8192  1 -    1771.834       3.760    1768.322    1779.969 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
    256 |       0.112 |       1.672 |         14.925  1.174
    512 |       0.099 |       6.223 |         62.659  1.797
   1024 |       0.151 |      24.891 |        165.116  2.218
   2048 |       0.214 |     110.784 |        517.311  2.714
   4096 |       0.506 |     442.792 |        875.509  2.942
   8192 |       2.461 |    1771.834 |        719.988  2.857

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

* Elapsed time : 99.6 s

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                *** Structuring element size ***                

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -       0.213       0.019       0.203       0.258 - (ms)
  8.0 -   2048  2 -       0.299       0.001       0.298       0.299 - (ms)
  8.0 -   2048  3 -       0.395       0.002       0.393       0.399 - (ms)
  8.0 -   2048  4 -       0.490       0.002       0.487       0.493 - (ms)
  8.0 -   2048  5 -       0.580       0.001       0.578       0.583 - (ms)
  8.0 -   2048  6 -       0.672       0.003       0.669       0.678 - (ms)
  8.0 -   2048  7 -       0.773       0.005       0.769       0.783 - (ms)
  8.0 -   2048  8 -       0.866       0.008       0.856       0.876 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -     108.931       0.266     108.540     109.259 - (ms)
  8.0 -   2048  2 -     229.579       0.161     229.363     229.856 - (ms)
  8.0 -   2048  3 -     414.013       0.351     413.764     414.845 - (ms)
  8.0 -   2048  4 -     738.406       5.502     734.273     748.549 - (ms)
  8.0 -   2048  5 -    1076.659       0.645    1075.684    1077.619 - (ms)
  8.0 -   2048  6 -    1451.581       0.131    1451.387    1451.748 - (ms)
  8.0 -   2048  7 -    1895.626       2.704    1893.662    1901.318 - (ms)
  8.0 -   2048  8 -    2399.082       0.165    2398.778    2399.319 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
      1 |       0.213 |     108.931 |        510.911  2.708
      2 |       0.299 |     229.579 |        768.800  2.886
      3 |       0.395 |     414.013 |       1048.023  3.020
      4 |       0.490 |     738.406 |       1507.052  3.178
      5 |       0.580 |    1076.659 |       1854.992  3.268
      6 |       0.672 |    1451.581 |       2159.098  3.334
      7 |       0.773 |    1895.626 |       2453.191  3.390
      8 |       0.866 |    2399.082 |       2770.793  3.443

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

* Elapsed time : 150.8 s


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=> Elapsed time : 251 secs
   Begin        : 13:22:55
   End          : 13:27:06