| Image Processing Toolbox User's Guide | |
Image Analysis and Statistics
Image Analysis
bwboundaries |
Trace region boundaries in binary image |
bwtraceboundary |
Trace object in binary image |
edge |
Find edges in intensity image |
hough |
Hough transform |
houghlines |
Extract line segments based on the Hough transform |
houghpeaks |
Identify peaks in the Hough transform |
qtdecomp |
Perform quadtree decomposition |
qtgetblk |
Get block values in quadtree decomposition |
qtsetblk |
Set block values in quadtree decomposition |
Texture Analysis
entropy |
Entropy of an intensity image |
entropyfilt |
Local entropy of an intensity image |
graycomatrix |
Gray-level co-occurrence matrix |
graycoprops |
Properties of a gray-level co-occurrence matrix |
rangefilt |
Local range of an image |
stdfilt |
Local standard deviation of an image |
Pixel Values and Statistics
corr2 |
Compute 2-D correlation coefficient |
imcontour |
Create contour plot of image data |
imhist |
Display histogram of image data |
impixel |
Determine pixel color values |
improfile |
Compute pixel-value cross-sections along line segments |
mean2 |
Compute mean of matrix elements |
pixval |
Display information about image pixels |
regionprops |
Measure properties of image regions |
std2 |
Compute standard deviation of matrix elements |
| | Spatial Transformation and Registration | Image Arithmetic | |
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