Morphological Image Library : Smil vs scikit-image

On nestor

Image alumine - 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 02:01:13 PM
Image    : alumine.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 -       0.016       0.000       0.016       0.016 - (ms)
  2.0 -    512  1 -       0.032       0.000       0.032       0.032 - (ms)
  4.0 -   1024  1 -       0.095       0.000       0.095       0.095 - (ms)
  8.0 -   2048  1 -       0.372       0.000       0.372       0.373 - (ms)
 16.0 -   4096  1 -       2.549       0.005       2.537       2.554 - (ms)
 32.0 -   8192  1 -      10.146       0.004      10.138      10.149 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       0.932       0.002       0.928       0.936 - (ms)
  2.0 -    512  1 -       3.144       0.002       3.142       3.147 - (ms)
  4.0 -   1024  1 -      12.624       0.016      12.615      12.663 - (ms)
  8.0 -   2048  1 -      53.128       0.074      53.071      53.274 - (ms)
 16.0 -   4096  1 -     210.437       1.364     209.846     213.776 - (ms)
 32.0 -   8192  1 -     838.547       0.040     838.514     838.610 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
    256 |       0.016 |       0.932 |         57.226  1.758
    512 |       0.032 |       3.144 |         98.416  1.993
   1024 |       0.095 |      12.624 |        133.531  2.126
   2048 |       0.372 |      53.128 |        142.633  2.154
   4096 |       2.549 |     210.437 |         82.550  1.917
   8192 |      10.146 |     838.547 |         82.651  1.917

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

* Elapsed time : 97.5 s

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                *** Structuring element size ***                

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -       0.371       0.000       0.371       0.371 - (ms)
  8.0 -   2048  2 -       0.699       0.000       0.699       0.699 - (ms)
  8.0 -   2048  3 -       1.020       0.000       1.020       1.020 - (ms)
  8.0 -   2048  4 -       1.344       0.000       1.343       1.344 - (ms)
  8.0 -   2048  5 -       1.666       0.000       1.666       1.666 - (ms)
  8.0 -   2048  6 -       1.989       0.001       1.988       1.990 - (ms)
  8.0 -   2048  7 -       2.311       0.000       2.311       2.312 - (ms)
  8.0 -   2048  8 -       2.633       0.000       2.633       2.634 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -      53.115       0.005      53.107      53.121 - (ms)
  8.0 -   2048  2 -      96.810       0.006      96.802      96.822 - (ms)
  8.0 -   2048  3 -     169.306       0.022     169.282     169.353 - (ms)
  8.0 -   2048  4 -     238.217       0.030     238.185     238.271 - (ms)
  8.0 -   2048  5 -     324.856       0.042     324.815     324.951 - (ms)
  8.0 -   2048  6 -     428.396       0.012     428.373     428.415 - (ms)
  8.0 -   2048  7 -     549.632       0.070     549.556     549.779 - (ms)
  8.0 -   2048  8 -     688.211       0.067     688.131     688.346 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
      1 |       0.371 |      53.115 |        143.116  2.156
      2 |       0.699 |      96.810 |        138.546  2.142
      3 |       1.020 |     169.306 |        165.998  2.220
      4 |       1.344 |     238.217 |        177.300  2.249
      5 |       1.666 |     324.856 |        194.971  2.290
      6 |       1.989 |     428.396 |        215.387  2.333
      7 |       2.311 |     549.632 |        237.812  2.376
      8 |       2.633 |     688.211 |        261.351  2.417

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

* Elapsed time : 130.0 s


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=> Elapsed time : 229 secs
   Begin        : 14:01:11
   End          : 14:05:00