Morphological Image Library : Smil vs scikit-image

On taurus

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 12:04:55 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 -       0.061       0.001       0.059       0.061 - (ms)
  2.0 -    512  1 -       0.049       0.000       0.048       0.049 - (ms)
  4.0 -   1024  1 -       0.079       0.001       0.079       0.080 - (ms)
  8.0 -   2048  1 -       0.103       0.001       0.102       0.105 - (ms)
 16.0 -   4096  1 -       0.218       0.000       0.218       0.219 - (ms)
 32.0 -   8192  1 -       1.500       0.001       1.499       1.501 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       0.770       0.002       0.766       0.775 - (ms)
  2.0 -    512  1 -       3.056       0.006       3.048       3.066 - (ms)
  4.0 -   1024  1 -      12.156       0.051      12.082      12.231 - (ms)
  8.0 -   2048  1 -      55.292       1.267      53.982      57.261 - (ms)
 16.0 -   4096  1 -     228.715       4.673     217.651     231.721 - (ms)
 32.0 -   8192  1 -     874.030       2.670     870.425     878.500 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
    256 |       0.061 |       0.770 |         12.662  1.102
    512 |       0.049 |       3.056 |         62.622  1.797
   1024 |       0.079 |      12.156 |        153.029  2.185
   2048 |       0.103 |      55.292 |        535.082  2.728
   4096 |       0.218 |     228.715 |       1047.326  3.020
   8192 |       1.500 |     874.030 |        582.643  2.765

  - [*] : 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 -       0.110       0.006       0.106       0.126 - (ms)
  8.0 -   2048  2 -       0.151       0.001       0.150       0.152 - (ms)
  8.0 -   2048  3 -       0.199       0.001       0.196       0.201 - (ms)
  8.0 -   2048  4 -       0.244       0.003       0.241       0.251 - (ms)
  8.0 -   2048  5 -       0.292       0.001       0.290       0.294 - (ms)
  8.0 -   2048  6 -       0.336       0.001       0.335       0.337 - (ms)
  8.0 -   2048  7 -       0.380       0.001       0.378       0.382 - (ms)
  8.0 -   2048  8 -       0.425       0.003       0.422       0.431 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -      54.317       0.594      53.057      54.965 - (ms)
  8.0 -   2048  2 -     116.419       0.526     115.890     117.442 - (ms)
  8.0 -   2048  3 -     209.733       0.988     209.049     211.300 - (ms)
  8.0 -   2048  4 -     369.780       0.772     369.321     371.659 - (ms)
  8.0 -   2048  5 -     536.520       1.566     535.675     540.315 - (ms)
  8.0 -   2048  6 -     725.783       1.931     724.942     730.512 - (ms)
  8.0 -   2048  7 -     946.488       1.583     945.641     950.301 - (ms)
  8.0 -   2048  8 -    1198.348       0.293    1198.137    1199.018 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
      1 |       0.110 |      54.317 |        492.032  2.692
      2 |       0.151 |     116.419 |        768.595  2.886
      3 |       0.199 |     209.733 |       1054.976  3.023
      4 |       0.244 |     369.780 |       1517.298  3.181
      5 |       0.292 |     536.520 |       1835.648  3.264
      6 |       0.336 |     725.783 |       2161.455  3.335
      7 |       0.380 |     946.488 |       2492.245  3.397
      8 |       0.425 |    1198.348 |       2818.825  3.450

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

* Elapsed time : 133.6 s


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=> Elapsed time : 233 secs
   Begin        : 12:04:54
   End          : 12:08:47