Mercurial > hg > octave-image
changeset 472:a888df0a18e6
dilate: bug fixes on octave core (somewhere in filter2) make dilate work correctly with non-symmetric SE. Updating version of dependency
| author | carandraug |
|---|---|
| date | Mon, 31 Oct 2011 02:31:35 +0000 |
| parents | 43f1a457a91c |
| children | fcadda4a368c |
| files | DESCRIPTION inst/dilate.m |
| diffstat | 2 files changed, 3 insertions(+), 7 deletions(-) [+] |
line wrap: on
line diff
--- a/DESCRIPTION +++ b/DESCRIPTION @@ -9,7 +9,7 @@ The package also provides functions for feature extraction, image statistics, spatial and geometric transformations, morphological operations, linear filtering, and much more. -Depends: octave (>= 3.2.0) +Depends: octave (>= 3.4.0) Autoload: yes License: GPL version 2 or later Url: http://octave.sf.net
--- a/inst/dilate.m +++ b/inst/dilate.m @@ -68,7 +68,6 @@ ## Filtering must be done with the reflection of the structuring element (they ## are not always symmetrical) SE = imrotate(SE, 180); - for i=1:n # create result matrix BW1=filter2(SE,BW1)>0; @@ -81,10 +80,7 @@ %! dilate(eye(5),ones(2,2)) %! % returns a thick diagonal. - - +## tests %!assert(dilate(eye(3),[1])==eye(3)); # using [1] as a mask returns the same value %!assert(dilate(eye(3),[1,0,0])==[0,0,0;1,0,0;0,1,0]); # check if it works with non-symmetric SE -## TODO the next assertion is commented since we do not know how the right answer for the calculation -%!##assert(dilate(eye(3),[1,0,0,0])==XXX); # test if center is correctly calculated on even masks - +%!assert(dilate(eye(3),[1,0,0,0])==[0,0,0;1,0,0;0,1,0]); # test if center is correctly calculated on even masks