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Re^3: PDL: Looking for efficient way to extract sub-images, by finding bounding boxes of "objects" (7000x faster)

by BrowserUk (Patriarch)
on Nov 20, 2016 at 13:57 UTC ( [id://1176204]=note: print w/replies, xml ) Need Help??

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  1. or download this
    C:\test>1176081 -WIDTH=1000 -HEIGHT=1000
    yr() took 295.895124
    buk() took 1.483303
    buk2() took 1.113015
    buk3() took 0.042507
    
  2. or download this
    C:\test>1176081 -WIDTH=10000 -HEIGHT=10000
    yr() took 0.000003
    buk() took 150.481585
    buk2() took 102.911382
    buk3() took 3.710700
    
  3. or download this
    #! perl -slw
    use strict;
    ...
    #<STDIN>;
    #pp $buk; pp $buk3;
    

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