@spec clear(Keyword.t()) :: any() | {:error, String.t()}

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

Clears the algorithm state

Positional Arguments

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

Python prototype (for reference only):

clear() -> None

@spec empty(Keyword.t()) :: any() | {:error, String.t()}

@spec empty(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.GraphSegmentation.t()

Return

• retval: bool

Python prototype (for reference only):

empty() -> retval

@spec getDefaultName(Keyword.t()) :: any() | {:error, String.t()}

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

getDefaultName

Positional Arguments

• self: Evision.XImgProc.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(Keyword.t()) :: any() | {:error, String.t()}

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

getK

Positional Arguments

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

Return

• retval: float

Python prototype (for reference only):

getK() -> retval

@spec getMinSize(Keyword.t()) :: any() | {:error, String.t()}

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

getMinSize

Positional Arguments

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

Return

• retval: integer()

Python prototype (for reference only):

getMinSize() -> retval

@spec getSigma(Keyword.t()) :: any() | {:error, String.t()}

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

getSigma

Positional Arguments

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

Return

• retval: double

Python prototype (for reference only):

getSigma() -> retval

@spec processImage(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.GraphSegmentation.t()

• src: Evision.Mat.

  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(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.GraphSegmentation.t()

• src: Evision.Mat.

  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(t(), Evision.FileNode.t()) :: t() | {:error, String.t()}

Reads algorithm parameters from a file storage

Positional Arguments

• self: Evision.XImgProc.GraphSegmentation.t()
• func: Evision.FileNode

Python prototype (for reference only):

read(fn) -> None

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

save

Positional Arguments

• self: Evision.XImgProc.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(t(), number()) :: t() | {:error, String.t()}

setK

Positional Arguments

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

Python prototype (for reference only):

setK(k) -> None

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

setMinSize

Positional Arguments

• self: Evision.XImgProc.GraphSegmentation.t()
• min_size: integer()

Python prototype (for reference only):

setMinSize(min_size) -> None

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

setSigma

Positional Arguments

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

Python prototype (for reference only):

setSigma(sigma) -> None

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

Stores algorithm parameters in a file storage

Positional Arguments

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

Python prototype (for reference only):

write(fs) -> None

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

write

Positional Arguments

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

Has overloading in C++

Python prototype (for reference only):

write(fs, name) -> None