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diff NEWS @ 806:275202657ccb

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bwlabel: changed order of labels and improved performance. * bwlabel: some 5x performance increase by making use of fortran_vec, linear indexing, boolean values for n (instead of checking each time in the loop), use std::vector instead of OCTAVE_LOCAL_BUFFER. Changing what value is used when merging two different objects, by using the pixel on the top left (or just left for n=4), increases chances of getting labels in the right order. Split the actual bwlabel into separate function so it may be used later by others. Added tests. * NEWS: added bwlabel to list of changed functions.
author Carnë Draug <carandraug@octave.org>
date Thu, 17 Oct 2013 01:48:22 +0100
parents 2a34ada9e75b
children d26a8681dd22
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--- a/NEWS
+++ b/NEWS
@@ -109,6 +109,7 @@
  ** Other functions that have been changed for smaller bugfixes, increased
     Matlab compatibility, or performance:
 
+      bwlabel
       padarray
 
  Summary of important user-visible changes for image 2.0.0 (2012/11/08):