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The {{Forge|image|image package}} is part of the Octave Forge project. See its {{Forge|image|homepage}} for the latest release.
+
The {{Forge|image|image package}} is part of the octave-forge project. See its {{Forge|image|homepage}} for the latest release.
 
 
<div class="tocinline">__TOC__</div>
 
  
 
== Development ==
 
== Development ==
  
 
Follows an incomplete list of stuff missing in the image package to be matlab compatible. Bugs are not listed here, [https://savannah.gnu.org/bugs/?func=search&group=octave search] and [https://savannah.gnu.org/bugs/?func=additem&group=octave report] them on the bug tracker instead.
 
Follows an incomplete list of stuff missing in the image package to be matlab compatible. Bugs are not listed here, [https://savannah.gnu.org/bugs/?func=search&group=octave search] and [https://savannah.gnu.org/bugs/?func=additem&group=octave report] them on the bug tracker instead.
 +
 +
=== Roadmap ===
 +
 +
The following are missing targets for the next minor release of the image package (version 2.8.0).  Small bug fixes, build fixes, and regressions may still be released before in a patch release (Version 2.6.X).
 +
 +
* add ellipse properties to {{codeline|regionprops}} (see bug {{bug|44100}})  ([http://hg.code.sf.net/p/octave/image/rev/7cf22a478792 done])
 +
* speed up {{codeline|regionprops}} for large images with many small objects (probably work around for loop with labeled == labelid)
 +
* support passing {{codeline|bwconncomp}} output to {{codeline|regionprops}} (and then fix {{codeline|bwpropfilt}} to use that instead of a labeled image)
 +
* ND support on {{codeline|imfilter}}
 +
* check if {{codeline|normxcorr2}} is Matlab compatible and investigate making use of {{codeline|fftconvn}} since it's likely to receive large input
 +
* investigate implementing the missing deconvolution functions (see patch {{patch|8571}})
 +
* anything else that is done or submitted before the above are done
  
 
=== Missing functions ===
 
=== Missing functions ===
Line 13: Line 23:
 
* activecontour
 
* activecontour
 
* adapthisteq
 
* adapthisteq
* [https://savannah.gnu.org/patch/?8824 affine2d]
+
* affine2d
 
* affine3d
 
* affine3d
 
* applycform
 
* applycform
 +
* axes2pix
 
* bwconvhull
 
* bwconvhull
 
* bwdistgeodesic
 
* bwdistgeodesic
 
* bwlookup
 
* bwlookup
 +
* bwpack
 
* bwtraceboundary
 
* bwtraceboundary
 
* bwulterode
 
* bwulterode
 +
* bwunpack
 
* chromadapt
 
* chromadapt
 +
* colorangle
 
* colorcloud
 
* colorcloud
 
* convmtx2
 
* convmtx2
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* deconvlucy
 
* deconvlucy
 
* deconvreg
 
* deconvreg
 +
* deconvwnr
 
* decorrstretch
 
* decorrstretch
* [https://savannah.gnu.org/patch/?9593 demosaic]
+
* demosaic
 
* dicomanon
 
* dicomanon
 
* dicomdisp
 
* dicomdisp
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* hdrread
 
* hdrread
 
* hdrwrite
 
* hdrwrite
 +
* houghlines -- (see hough_line)
 +
* houghpeaks
 
* iccfind
 
* iccfind
 
* iccread
 
* iccread
Line 73: Line 90:
 
* ImageAdapter
 
* ImageAdapter
 
* imageinfo
 
* imageinfo
* [https://savannah.gnu.org/patch/?9717 imapplymatrix]
+
* imapplymatrix
 
* imapprox
 
* imapprox
 
* imbinarize
 
* imbinarize
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* imellipse
 
* imellipse
 
* imfreehand
 
* imfreehand
* [https://savannah.gnu.org/patch/?9730 imfuse]
+
* imfuse
 
* imgaborfilt
 
* imgaborfilt
 
* imgaussfilt
 
* imgaussfilt
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* imoverview
 
* imoverview
 
* imoverviewpanel
 
* imoverviewpanel
* [https://savannah.gnu.org/patch/?8722 impixelinfo]
+
* impixelinfo
* [https://savannah.gnu.org/patch/?8722 impixelinfoval]
+
* impixelinfoval
 
* impixelregion
 
* impixelregion
 
* impixelregionpanel
 
* impixelregionpanel
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* improfile
 
* improfile
 
* imrect
 
* imrect
* imreducehaze
+
* imref2d
 +
* imref3d
 
* imregconfig
 
* imregconfig
 
* imregcorr
 
* imregcorr
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* integralBoxFilter
 
* integralBoxFilter
 
* integralBoxFilter3
 
* integralBoxFilter3
 +
* integralImage
 +
* integralImage3
 
* interfileinfo
 
* interfileinfo
 
* interfileread
 
* interfileread
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* isicc
 
* isicc
 
* isrset
 
* isrset
* [https://savannah.gnu.org/patch/?9600 lin2rgb]
+
* lin2rgb
 
* makecform
 
* makecform
 
* makeConstrainToRectFcn
 
* makeConstrainToRectFcn
 
* makehdr
 
* makehdr
 
* makeresampler
 
* makeresampler
* [https://savannah.gnu.org/patch/?9602 multithresh]
+
* multithresh
 
* nitfinfo
 
* nitfinfo
 
* nitfread
 
* nitfread
 
* openrset
 
* openrset
 +
* otsuthresh
 
* para2fan
 
* para2fan
 
* projective2d
 
* projective2d
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* roifill
 
* roifill
 
* roifilt2
 
* roifilt2
* [https://savannah.gnu.org/patch/?9509 roipoly]
+
* roipoly
 
* rsetwrite
 
* rsetwrite
 
* ssim
 
* ssim
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* visboundaries
 
* visboundaries
 
* warp
 
* warp
* [https://savannah.gnu.org/patch/?8060 whitepoint]
+
* whitepoint
* [https://savannah.gnu.org/patch/?9603 xyz2double]
+
* xyz2double
* [https://savannah.gnu.org/patch/?9603 xyz2uint16]
+
* xyz2uint16
 
</div>
 
</div>
  
Line 198: Line 219:
 
|-
 
|-
 
! bug !! bug title !! status
 
! bug !! bug title !! status
 +
|-
 +
| {{bug|38085}} || image package: fails to build with --enable-64 (entropyfilt) || Confirmed
 
|-
 
|-
 
| {{bug|38087}}|| image package: graycomatrix incompatibilities with matlab  || None
 
| {{bug|38087}}|| image package: graycomatrix incompatibilities with matlab  || None
 +
|-
 +
| {{bug|38345}}|| image package: __spatial_filtering__() always returns class double || Confirmed
 
|-
 
|-
 
| {{bug|41674}}|| image package: temporary arrays in imresize are doubles || None
 
| {{bug|41674}}|| image package: temporary arrays in imresize are doubles || None
Line 211: Line 236:
 
| {{bug|44831}}|| image package: imrotate - different dimensions of output matrix || Confirmed
 
| {{bug|44831}}|| image package: imrotate - different dimensions of output matrix || Confirmed
 
|-
 
|-
| {{bug|45088}}|| image package: rangefilt requires domain and image to have equal number of dimensions || In Progress
+
| {{bug|45088}}|| image package: rangefilt requires domain and image to have equal number of dimensions || Patch Reviewed
 
|-
 
|-
 
| {{bug|46745}}|| image package: imresize default method (bicubic) Matlab incompatible for the border pixels|| None
 
| {{bug|46745}}|| image package: imresize default method (bicubic) Matlab incompatible for the border pixels|| None
Line 217: Line 242:
 
| {{bug|48529}}|| image package: compilation warnings under Mac OSX|| None
 
| {{bug|48529}}|| image package: compilation warnings under Mac OSX|| None
 
|-
 
|-
 +
| {{bug|50071}}|| OF image: bwfill(...,4) in Octave behaves like bwfill(...,8) in MATLAB and vice versa|| None
 
|-
 
|-
 
| {{bug|50151}}|| image package: normxcorr2 is not compatible with Matlab|| None
 
| {{bug|50151}}|| image package: normxcorr2 is not compatible with Matlab|| None
Line 230: Line 256:
 
| {{bug|50656}}|| image package: bwerode does not return right size when there's more dimensions on conn || None
 
| {{bug|50656}}|| image package: bwerode does not return right size when there's more dimensions on conn || None
 
|-
 
|-
| {{bug|50708}}|| image package: add demosaic.m || Patch Submitted
+
| {{bug|50708}}|| image package: add demosaic.m|| Patch Submitted
 
|-
 
|-
 
| {{bug|50732}} || Image package: infinite error loop when assigning a strel (class) object to a vector|| Confirmed
 
| {{bug|50732}} || Image package: infinite error loop when assigning a strel (class) object to a vector|| Confirmed
 +
|-
 +
| {{bug|50783}} || image package: imlincomb is not compatible with Matlab || none
 +
|-
 +
| {{bug|50874}} ||  bwdist call causes application crash || Confirmed
 
|-
 
|-
 
| {{bug|51420}} || [octave forge] (image) imrotate is less tolerant to missing argument than Matlab || None
 
| {{bug|51420}} || [octave forge] (image) imrotate is less tolerant to missing argument than Matlab || None
Line 245: Line 275:
 
|-
 
|-
 
| {{bug|51980}} || [octave forge] (image) Failing unit test for edge|| None
 
| {{bug|51980}} || [octave forge] (image) Failing unit test for edge|| None
 +
|-
 +
| {{bug|51981}} || [octave forge] (image) Failing unit test for otf2psf|| None
 +
|-
 +
| {{bug|51982}} || [octave forge] (image) Failing unit test for nlfilter|| None
 
|-
 
|-
 
| {{bug|52006}} || [octave forge] (image) 'makecform' feature request || Confirmed
 
| {{bug|52006}} || [octave forge] (image) 'makecform' feature request || Confirmed
Line 252: Line 286:
 
| {{bug|52715}} || [octave forge] (image) Add full data range option to ycbcrfunc conversions || None
 
| {{bug|52715}} || [octave forge] (image) Add full data range option to ycbcrfunc conversions || None
 
|-
 
|-
| {{bug|52959}} || [octave forge] (image) histeq is not compatible with Matlab || None
+
| {{bug|52933}} || [octave-forge] (image) regionprops Perimeter returns Matlab incompatible results || Patch Submitted
|-
 
| {{bug|55059}} || [octave forge] (image) Failing unit test for grayslice || In Progress
 
|-
 
| {{bug|55202}} || [octave forge] (image) imresize fails for method nearest and image of 1 row  || Confirmed
 
|-
 
| {{bug|55373}} ||  [octave forge] (image) random failure of unit test in imadjust.m || Confirmed
 
|-
 
| {{bug|55438}} ||  [octave forge] (image) Binary input image for edge || None
 
|-
 
| {{bug|55521}} || [octave forge] (image) Unit tests for bwpack and bwunpack fail on big endian architectures|| None
 
|-
 
| {{bug|56796}} ||  [octave forge] (image) imtransform changes the contrast of image when using bilinear interpolation || Need Info
 
 
|-
 
|-
| {{bug|56958}} || [Octave-Forge] (image) Implementation of insertText  || Confirmed
+
| {{bug|52959}} || [octave-forge] (image) histeq is not compatible with Matlab || None
 
|-
 
|-
| {{bug|57504}} || [octave forge] (image) Scaling error for imresize in Image 2.0.0  || None
+
| {{bug|53090}} || [octave-forge] (image) imhist fails in dev version due to changes in colorbar || None
|-
 
| {{bug|57822}} || [octave forge] (image) test failures on macOS - imadjust, immse, mean2 || In progress
 
|-
 
| {{bug|58684}} || [octave forge] (image) imtranslate produces nonsense for fractional shifts || Confirmed
 
 
|-
 
|-
 
|}
 
|}
Line 285: Line 303:
 
* {{patch|8571}}: image package: three deconvolution routines (Wiener, RL, RLTV)
 
* {{patch|8571}}: image package: three deconvolution routines (Wiener, RL, RLTV)
 
* {{patch|8824}}: added affine2d class
 
* {{patch|8824}}: added affine2d class
 +
* {{patch|9235}}: image package: improve filtering functions (stdfilt, entropyfilt) and add tests (also medfilt2, ordfilt2, rangefilt)
 +
* {{patch|9244}}: image package: regionprops.m - new properties ConvexHull, ConvexImage, ConvexArea, Solidity
 +
* {{patch|9354}}: image package: new function wiener2.m
 +
* {{patch|9360}}: image package: new function otsuthresh.m
 +
* {{patch|9365}}: image package: new function deconvwnr.m
 +
* {{patch|9407}}: image package: new function houghpeaks.m
 +
* {{patch|9412}}: image package: new function houghlines.m
 
* {{patch|9509}}: Image package: simple implementation of roipoly function
 
* {{patch|9509}}: Image package: simple implementation of roipoly function
* {{patch|9593}}: [Octave Forge] (Image) New function demosaic.m from bug #50708
 
* {{patch|9600}}: [Octave Forge] (Image) New functions: lin2rgb.m and lrgb2lin.m
 
* {{patch|9602}}: [octave forge] (image) multithresh
 
* {{patch|9603}}: [Octave Forge] (Image) New functions: xyz2double.m, xyz2single.m, xyz2uint16.m
 
* {{patch|9717}}: [octave forge] (image) new function imapplymatrix
 
* {{patch|9729}}: [octave forge] (image) -- rgb2xyz conversion with adapted whitepoint
 
* {{patch|9730}}: [octave forge] (image) new function imfuse
 
  
== Image Processing Functions ==
+
== Image Processing Functions (this section is under construction) ==
  
{{Note| This section is still under construction so the list is incomplete.}}
+
This is a list of Image Processing functions by topic, including missing functions, related bugs and patched, and some alternatives.
  
This is a list of Image Processing functions by topic including: missing functions, related bugs and patches, and some alternatives.
+
Note: This section is under construction so this list is still incomplete
 
 
Note: 
 
  
 
=== Basic Read and Write Image Files ===
 
=== Basic Read and Write Image Files ===
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! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives !! Notes
 
! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives !! Notes
 
|-  
 
|-  
| imfinfo || function is in Octave core || || ||
+
| imfinfo || function is in Octave core || ||  
 
|-  
 
|-  
 
| imread|| function is in Octave core || || [http://kyamagu.github.io/mexopencv/matlab/imread.html cv.imread] from [https://github.com/kyamagu/mexopencv mexopencv] ||  
 
| imread|| function is in Octave core || || [http://kyamagu.github.io/mexopencv/matlab/imread.html cv.imread] from [https://github.com/kyamagu/mexopencv mexopencv] ||  
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| adaptthresh || - || ||  [http://kyamagu.github.io/mexopencv/matlab/adaptiveThreshold.html cv.adaptiveThreshold] from [https://github.com/kyamagu/mexopencv mexopencv]||  
 
| adaptthresh || - || ||  [http://kyamagu.github.io/mexopencv/matlab/adaptiveThreshold.html cv.adaptiveThreshold] from [https://github.com/kyamagu/mexopencv mexopencv]||  
 
|-
 
|-
| demosaic || - || {{bug|50708}} {{patch|9593}}|| [http://kyamagu.github.io/mexopencv/matlab/demosaicing.html cv.demosaicing] from [https://github.com/kyamagu/mexopencv mexopencv] ||
+
| demosaic || - || {{bug|50708}} || [http://kyamagu.github.io/mexopencv/matlab/demosaicing.html cv.demosaicing] from [https://github.com/kyamagu/mexopencv mexopencv] ||
 
|-  
 
|-  
 
| gray2ind || function is in Octave core || || ||
 
| gray2ind || function is in Octave core || || ||
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| mat2gray || < 1.0.0 || || ||
 
| mat2gray || < 1.0.0 || || ||
 
|-
 
|-
| multithresh || - || {{patch|9602}} || ||
+
| multithresh || - || || ||
 
|-
 
|-
| otsuthresh || 2.10.0 ||   || ||  
+
| otsuthresh || - || {{patch|9360}} || graythresh || otsuthresh(hist) is equivalent to graythresh (hist)
 
|-
 
|-
| rgb2gray || function is in Octave core || {{bug|53654}} || || Octave version 4.4.0 and above
+
| rgb2gray || < 1.0.0 || || ||
 
|-
 
|-
 
| rgb2ind  || function is in Octave core  || || ||
 
| rgb2ind  || function is in Octave core  || || ||
 
|-
 
|-
 
|}
 
|}
 +
 +
'''Missing:''' ''demosaic''
  
 
=== Color ===
 
=== Color ===
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|-
 
|-
 
! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives || Notes
 
! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives || Notes
 +
|-
 +
| lab2double || - || || ||
 
|-
 
|-
| colorangle || 2.10.0 || || ||  
+
| lab2rgb || - || || ||  
 
|-
 
|-
| lab2double || 2.6.0 || || ||  
+
| lab2uint16 || - || || ||  
 
|-
 
|-
| lab2rgb || 2.6.0 || || ||  
+
| lab2uint8 || - || || ||  
 
|-
 
|-
| lab2uint16 || 2.6.0  || || ||  
+
| lab2xyz || - || || ||  
 
|-
 
|-
| lab2uint8 || 2.6.0  || || ||  
+
| ntsc2rgb || function is in Octave core || || ||  
 
|-
 
|-
| lab2xyz || 2.6.0  || || ||  
+
| rgb2lab || - || || ||  
 
|-
 
|-
| lin2rgb || - || {{patch|9600}} || ||
+
| rgb2ntsc || function is in Octave core || || ||  
 
|-
 
|-
| ntsc2rgb || 2.8.0 || || ||  
+
| rgb2xyz || - || || ||  
 
|-
 
|-
| rgb2lab || 2.6.0  || || ||  
+
| rgb2ycbcr || - || || ||  
 
|-
 
|-
| rgb2lin || - || {{patch|9600}} || ||
+
| xyz2lab || - || || ||  
 
|-
 
|-
| rgb2ntsc || 2.8.0 || || ||  
+
| xyz2rgb || - || || ||  
 
|-
 
|-
| rgb2xyz ||  2.6.0  || || ||
+
| ycbcr2rgb || - || || ||  
|-
 
| rgb2ycbcr ||  < 1.0.0|| || ||
 
|-
 
| whitepoint || - || {{patch|8060}} || ||
 
|-
 
| xyz2double || - || {{patch|9603}} || ||
 
|-
 
| xyz2lab ||  2.6.0  || || ||
 
|-
 
| xyz2rgb ||  2.6.0  || || ||  
 
|-
 
| xyz2uint16 || - || {{patch|9603}} || ||
 
|-
 
| ycbcr2rgb ||  2.2.0|| || ||  
 
 
|-
 
|-
 
|}
 
|}
  
'''Missing:''' ''applycform, chromadapt, colorcloud, iccfind, iccread, iccroot, iccwrite, illumgray, illumpca, illumwhite, imapprox, isicc, makecform''
+
'''Missing:''' ''applycform, chromadapt, colorangle, colorcloud, iccfind, iccread, iccroot, iccwrite, illumgray, illumpca, illumwhite, imapprox, isicc, lin2rgb, makecform, rgb2lin, whitepoint, xyz2double, xyz2uint16''
  
 
=== Synthetic Images ===
 
=== Synthetic Images ===
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! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives || Notes
 
! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives || Notes
 
|-  
 
|-  
| checkerboard || 2.2.0 || || ||
+
| checkerboard || - || || ||
 
|-
 
|-
| imnoise || 2.2.2  || || ||
+
| imnoise || - || || ||
 
|-
 
|-
| phantom || 2.6.2  || || ||
+
| phantom || - || || ||
 
|-
 
|-
 
|}
 
|}
 
=== Basic Display ===
 
 
{| class="wikitable" style="text-align: center"
 
|-
 
! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives || Notes
 
|-
 
| imshow || function is in Octave core || || ||
 
|-
 
| montage || - || || ||
 
|-
 
|}
 
 
'''Missing:''' ''imfuse, immovie, implay, imshowpair, iptgetpref, iptprefs, iptsetpref, warp''
 
  
 
=== Image Filtering ===  
 
=== Image Filtering ===  
Line 467: Line 459:
 
| convmtx2 || -  || || ||
 
| convmtx2 || -  || || ||
 
|-
 
|-
| entropyfilt ||  1.0.9  ||  || ||
+
| entropyfilt ||  1.0.9  ||  {{patch|9235}} || ||
 
|-
 
|-
 
| fibermetric ||-  || || ||
 
| fibermetric ||-  || || ||
Line 505: Line 497:
 
| integralBoxFilter3 ||- || || ||
 
| integralBoxFilter3 ||- || || ||
 
|-
 
|-
| integralImage || 2.12.0 || || ||
+
| integralImage ||- || || [http://kyamagu.github.io/mexopencv/matlab/integral.html cv.integral] from [https://github.com/kyamagu/mexopencv mexopencv] ||
 
|-
 
|-
| integralImage3 ||  2.12.0  || || ||
+
| integralImage3 || - || || ||
 
|-
 
|-
| medfilt2 || < 1.0.0  || || ||
+
| medfilt2 || < 1.0.0  || {{patch|9235}} || ||
 
|-
 
|-
 
| medfilt3 || - || || ||
 
| medfilt3 || - || || ||
Line 517: Line 509:
 
| normxcorr2 || 2.0.0 ||  {{bug|50151}} || ||
 
| normxcorr2 || 2.0.0 ||  {{bug|50151}} || ||
 
|-
 
|-
| ordfilt2 || 1.0.9 ||  || ||
+
| ordfilt2 || 1.0.9 ||  {{patch|9235}} || ||
 
|-
 
|-
 
| padarray || < 1.0.0 || || ||
 
| padarray || < 1.0.0 || || ||
 
|-
 
|-
| rangefilt || 1.0.9 || {{bug|45088}} || ||
+
| rangefilt || 1.0.9 || {{bug|45088}} {{patch|9235}} || ||
 
|-
 
|-
| stdfilt ||  1.0.9 ||  || ||
+
| stdfilt ||  1.0.9 ||  {{patch|9235}} || ||
 
|-
 
|-
| wiener2 ||  2.8.0|| || ||
+
| wiener2 ||  dev || || ||
 
|-
 
|-
 
|}
 
|}
Line 539: Line 531:
 
| imadd         || 2.0.0  || || ||
 
| imadd         || 2.0.0  || || ||
 
|-
 
|-
| imapplymatrix ||    -    || {{patch|9717}} || ||
+
| imapplymatrix ||    -    || || ||
 
|-
 
|-
 
| imcomplement || 1.0.6  || || ||
 
| imcomplement || 1.0.6  || || ||
Line 545: Line 537:
 
| imdivide || 2.0.0  || || ||
 
| imdivide || 2.0.0  || || ||
 
|-
 
|-
| imlincomb || 2.0.0  || || ||
+
| imlincomb || 2.0.0  || {{bug|50783}} || ||
 
|-
 
|-
 
|  immultiply || 2.0.0  || || ||
 
|  immultiply || 2.0.0  || || ||
Line 583: Line 575:
 
|  imerode ||  < 1.0.0      || || ||
 
|  imerode ||  < 1.0.0      || || ||
 
|-
 
|-
| imextendedmax ||   2.8.0 ||  || ||
+
| imextendedmax ||     dev ||  {{patch|9488}}|| ||
 
|-
 
|-
|  imextendedmin ||    2.8.0 || || ||
+
|  imextendedmin ||    dev || {{patch|9488}} || ||
 
|-
 
|-
 
| imfill ||  2.6.0      || || ||
 
| imfill ||  2.6.0      || || ||
 
|-
 
|-
| imhmax ||     2.8.0 || || ||
+
| imhmax ||   dev || {{patch|9488}}|| ||
 
|-
 
|-
| imhmin ||     2.8.0 ||   || ||
+
| imhmin ||   dev || {{patch|9488}} || ||
 
|-
 
|-
|  imimposemin ||     2.8.0 ||  || ||
+
|  imimposemin ||   dev ||  {{patch|9488}}|| ||
 
|-
 
|-
 
|  imopen ||  < 1.0.0      || || ||
 
|  imopen ||  < 1.0.0      || || ||
Line 615: Line 607:
 
|}
 
|}
  
=== Image Transforms ===
+
[[Category:Octave-Forge]]
 
 
{| class="wikitable" style="text-align: center"
 
|-
 
! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives || Notes
 
|-
 
| dct2 ||  || || ||
 
|-
 
| dctmtx ||  || || ||
 
|-
 
| fanbeam ||  || || ||
 
|-
 
| fan2para ||  || || ||
 
|-
 
| fftshift||  || || ||
 
|-
 
| fft2  ||  || || ||
 
|-
 
| hough ||  || || ||
 
|-
 
| houghlines ||  || || ||
 
|-
 
| houghpeaks ||  || || ||
 
|-
 
|idct2 ||  || || ||
 
|-
 
|ifftshift||  || || ||
 
|-
 
|ifft2||  || || ||
 
|-
 
|iradon||  || || ||
 
|-
 
|para2fan||  || || ||
 
|-
 
|radon||  || || ||
 
|-
 
|}
 
 
 
=== Graphical Interface Interaction ===
 
 
 
{| class="wikitable" style="text-align: center"
 
|-
 
! Function !! Octave Package Version !! Related Bugs and Patches !! Alternatives || Notes
 
|-
 
| imellipse ||  -  || || ||
 
|-
 
| imfreehand ||  -  || || ||
 
|-
 
| imline ||  -  || || ||
 
|-
 
| immagbox ||  -  || || ||
 
|-
 
| imoverview ||  -  || || ||
 
|-
 
| imoverviewpanel ||  -  || || ||
 
|-
 
| impixelinfo ||  -  || {{patch|8722}} || ||
 
|-
 
| impixelinfoval ||  -  || {{patch|8722}} || ||
 
|-
 
| impixelregion ||  -  || || ||
 
|-
 
| impixelregionpanel ||  -  || || ||
 
|-
 
| implay ||  -  || || ||
 
|-
 
| impoint ||  -  || || ||
 
|-
 
| impoly ||  -  || || ||
 
|-
 
| imrect ||  -  || || ||
 
|-
 
| imscrollpanel ||  -  || || ||
 
|-
 
| iptgetpref ||  -  || || ||
 
|-
 
| iptprefs ||  -  || || ||
 
|-
 
| iptsetpref ||  -  || || ||
 
|-
 
|}
 
* Obs: implay, iptgetpref, iptprefs, iptsetpref functions are on Basic Display section too...
 
 
 
[[Category:Octave Forge]]
 
[[Category:Missing functions]]
 

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