Method
VipsImagehough_line
Declaration [src]
int
vips_hough_line (
VipsImage* in,
VipsImage** out,
...
)
Description [src]
Find the line Hough transform for in. in must have one band. out has one
band, with pixels being the number of votes for that line. The X dimension
of out is the line angle in 0 - 180 degrees, the Y dimension is the
distance of the closest part of that line to the origin in the top-left.
Use width height to set the size of the parameter space image (out),
that is, how accurate the line determination should be.
Optional arguments
width: horizontal size of parameter spaceheight: vertical size of parameter space
See also
This method is not directly available to language bindings.
Parameters
out-
Type:
VipsImageOutput image.
The argument will be set by the function. The caller of the method takes ownership of the returned data, and is responsible for freeing it. ...-
Type:
NULL-terminated list of optional named arguments.