ROI_draw: Inspect a Region of Interest
In georoen/wuepix: Using Computer Vision to Count Pedestrians
Description
Usage
Arguments
Details
Value
See Also
Description
Draw a region of interest.
Usage
1
ROI_draw(img)
Arguments
img
A raster object.
Details
Insepct a region of interest by drawing a polygone.
See OS-specific ?locator() for how to finish drawing. Minimum three vertex
points are required.
roi <- InspectROI(jpeg::readJPEG("../Testbild.jpg"))
To visualize roi use histROI() or get it's stats with summary().
histROI(roi)
Value
numeric dataframe with digital numbers of selected pixels.
See Also
georoen/wuepix documentation built on May 25, 2019, 5:25 p.m.
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Description Usage Arguments Details Value See Also
Description
Draw a region of interest.
Usage
1 | ROI_draw(img)
|
Arguments
img |
A raster object. |
Details
Insepct a region of interest by drawing a polygone. See OS-specific ?locator() for how to finish drawing. Minimum three vertex points are required.
roi <- InspectROI(jpeg::readJPEG("../Testbild.jpg"))
To visualize roi use histROI() or get it's stats with summary().
histROI(roi)
Value
numeric dataframe with digital numbers of selected pixels.
See Also
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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