| Image Processing Toolbox User's Guide | |
Morphological Operations
Intensity and Binary Images
conndef |
Default connectivity array |
imbothat |
Perform bottom-hat filtering |
imclearborder |
Suppress light structures connected to image border |
imclose |
Close image |
imdilate |
Dilate image |
imerode |
Erode image |
imextendedmax |
Find extended-maxima transform |
imextendedmin |
Find extended-minima transform |
imfill |
Fill image regions |
imhmax |
Calculate H-maxima transform |
imhmin |
Calculate H-minima transform |
imimposemin |
Impose minima |
imopen |
Open image |
imreconstruct |
Perform morphological reconstruction |
imregionalmax |
Find regional maxima of image |
imregionalmin |
Find regional minima of image |
imtophat |
Perform tophat filtering |
watershed |
Find image watershed regions |
Binary Images
applylut |
Perform neighborhood operations using lookup tables |
bwarea |
Area of objects in binary image |
bwareaopen |
Binary area open; remove small objects |
bwdist |
Distance transform |
bweuler |
Euler number of binary image |
bwhitmiss |
Binary hit-and-miss operation |
bwlabel |
Label connected components in 2-D binary image |
bwlabeln |
Label connected components in N-D binary image |
bwmorph |
Perform morphological operations on binary image |
bwpack |
Pack binary image |
bwperim |
Find perimeter of objects in binary image |
bwselect |
Select objects in binary image |
bwulterode |
Ultimate erosion |
bwunpack |
Unpack a packed binary image |
imregionalmin |
Regional minima of image |
imtophat |
Perform tophat filtering |
makelut |
Construct lookup table for use with applylut |
Structuring Element (STREL) Creation and Manipulation
getheight |
Get the height of a structuring element |
getneighbors |
Get structuring element neighbor locations and heights |
getnhood |
Get structuring element neighborhood |
getsequence |
Extract sequence of decomposed structuring elements |
isflat |
Return true for flat structuring element |
reflect |
Reflect structuring element |
strel |
Create morphological structuring element |
translate |
Translate structuring element |
| | Linear Filtering and Transforms | Region-Based, Neighborhood, and Block Processing | |
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