Method
VipsImagehough_line
Declaration [src]
int
vips_hough_line (
VipsImage* in,
VipsImage** out,
...
)
Description [src]
Optional arguments
width: horizontal size of parameter spaceheight: vertical size of parameter space
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.
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.