| Image Processing Toolbox User's Guide | |
Region-Based, Neighborhood, and Block Processing
Region-Based Processing
poly2mask |
Convert region-of-interest polygon to mask |
roicolor |
Select region of interest, based on color |
roifill |
Smoothly interpolate within arbitrary region |
roifilt2 |
Filter a region of interest |
roipoly |
Select polygonal region of interest |
Neighborhood and Block Processing
bestblk |
Choose block size for block processing |
blkproc |
Implement distinct block processing for image |
col2im |
Rearrange matrix columns into blocks |
colfilt |
Perform neighborhood operations using columnwise functions |
im2col |
Rearrange image blocks into columns |
nlfilter |
Perform general sliding-neighborhood operations |
| | Morphological Operations | Colormap and Color Space Functions | |
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