@spec clear(Evision.XImgProc.GraphSegmentation.t()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

Clears the algorithm state

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

Python prototype (for reference only):

clear() -> None

@spec empty(Evision.XImgProc.GraphSegmentation.t()) ::
  boolean() | {:error, String.t()}

Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

Return

• retval: bool

Python prototype (for reference only):

empty() -> retval

@spec getDefaultName(Evision.XImgProc.GraphSegmentation.t()) ::
  binary() | {:error, String.t()}

getDefaultName

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

Return

• retval: String

Returns the algorithm string identifier. This string is used as top level xml/yml node tag when the object is saved to a file or string.

Python prototype (for reference only):

getDefaultName() -> retval

@spec getK(Evision.XImgProc.GraphSegmentation.t()) :: number() | {:error, String.t()}

getK

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

Return

• retval: float

Python prototype (for reference only):

getK() -> retval

@spec getMinSize(Evision.XImgProc.GraphSegmentation.t()) ::
  integer() | {:error, String.t()}

getMinSize

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

Return

• retval: int

Python prototype (for reference only):

getMinSize() -> retval

@spec getSigma(Evision.XImgProc.GraphSegmentation.t()) ::
  number() | {:error, String.t()}

getSigma

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

Return

• retval: double

Python prototype (for reference only):

getSigma() -> retval

@spec processImage(Evision.XImgProc.GraphSegmentation.t(), Evision.Mat.maybe_mat_in()) ::
  Evision.Mat.t() | {:error, String.t()}

Segment an image and store output in dst

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

• src: Evision.Mat.t().

  The input image. Any number of channel (1 (Eg: Gray), 3 (Eg: RGB), 4 (Eg: RGB-D)) can be provided

Return

• dst: Evision.Mat.t().

  The output segmentation. It's a CV_32SC1 Mat with the same number of cols and rows as input image, with an unique, sequential, id for each pixel.

Python prototype (for reference only):

processImage(src[, dst]) -> dst

@spec processImage(
  Evision.XImgProc.GraphSegmentation.t(),
  Evision.Mat.maybe_mat_in(),
  [{atom(), term()}, ...] | nil
) :: Evision.Mat.t() | {:error, String.t()}

Segment an image and store output in dst

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()

• src: Evision.Mat.t().

  The input image. Any number of channel (1 (Eg: Gray), 3 (Eg: RGB), 4 (Eg: RGB-D)) can be provided

Return

• dst: Evision.Mat.t().

  The output segmentation. It's a CV_32SC1 Mat with the same number of cols and rows as input image, with an unique, sequential, id for each pixel.

Python prototype (for reference only):

processImage(src[, dst]) -> dst

@spec read(Evision.XImgProc.GraphSegmentation.t(), Evision.FileNode.t()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

Reads algorithm parameters from a file storage

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()
• fn_: Evision.FileNode.t()

Python prototype (for reference only):

read(fn_) -> None

@spec save(Evision.XImgProc.GraphSegmentation.t(), binary()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

save

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()
• filename: String

Saves the algorithm to a file. In order to make this method work, the derived class must implement Algorithm::write(FileStorage& fs).

Python prototype (for reference only):

save(filename) -> None

@spec setK(Evision.XImgProc.GraphSegmentation.t(), number()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

setK

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()
• k: float

Python prototype (for reference only):

setK(k) -> None

@spec setMinSize(Evision.XImgProc.GraphSegmentation.t(), integer()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

setMinSize

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()
• min_size: int

Python prototype (for reference only):

setMinSize(min_size) -> None

@spec setSigma(Evision.XImgProc.GraphSegmentation.t(), number()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

setSigma

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()
• sigma: double

Python prototype (for reference only):

setSigma(sigma) -> None

@spec write(Evision.XImgProc.GraphSegmentation.t(), Evision.FileStorage.t()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

Stores algorithm parameters in a file storage

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()
• fs: Evision.FileStorage.t()

Python prototype (for reference only):

write(fs) -> None

@spec write(Evision.XImgProc.GraphSegmentation.t(), Evision.FileStorage.t(), binary()) ::
  Evision.XImgProc.GraphSegmentation.t() | {:error, String.t()}

write

Positional Arguments

• self: Evision.XImgProc.Segmentation.GraphSegmentation.t()
• fs: Evision.FileStorage.t()
• name: String

Has overloading in C++

Python prototype (for reference only):

write(fs, name) -> None