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

Clears the algorithm state

Positional Arguments

• self: Evision.CalibrateDebevec.t()

Python prototype (for reference only):

clear() -> None

@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.CalibrateDebevec.t()

Return

• retval: bool

Python prototype (for reference only):

empty() -> retval

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

getDefaultName

Positional Arguments

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

getLambda

Positional Arguments

• self: Evision.CalibrateDebevec.t()

Return

• retval: float

Python prototype (for reference only):

getLambda() -> retval

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

getRandom

Positional Arguments

• self: Evision.CalibrateDebevec.t()

Return

• retval: bool

Python prototype (for reference only):

getRandom() -> retval

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

getSamples

Positional Arguments

• self: Evision.CalibrateDebevec.t()

Return

• retval: int

Python prototype (for reference only):

getSamples() -> retval

@spec process(t(), [Evision.Mat.maybe_mat_in()], Evision.Mat.maybe_mat_in()) ::
  Evision.Mat.t() | {:error, String.t()}

Recovers inverse camera response.

Positional Arguments

• self: Evision.CalibrateDebevec.t()

• src: [Evision.Mat].

  vector of input images

• times: Evision.Mat.

  vector of exposure time values for each image

Return

• dst: Evision.Mat.

  256x1 matrix with inverse camera response function

Python prototype (for reference only):

process(src, times[, dst]) -> dst

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

Recovers inverse camera response.

Positional Arguments

• self: Evision.CalibrateDebevec.t()

• src: [Evision.Mat].

  vector of input images

• times: Evision.Mat.

  vector of exposure time values for each image

Return

• dst: Evision.Mat.

  256x1 matrix with inverse camera response function

Python prototype (for reference only):

process(src, times[, dst]) -> dst

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

Reads algorithm parameters from a file storage

Positional Arguments

• self: Evision.CalibrateDebevec.t()
• fn_: Evision.FileNode

Python prototype (for reference only):

read(fn_) -> None

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

save

Positional Arguments

• self: Evision.CalibrateDebevec.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 setLambda(t(), number()) :: :ok | {:error, String.t()}

setLambda

Positional Arguments

• self: Evision.CalibrateDebevec.t()
• lambda: float

Python prototype (for reference only):

setLambda(lambda) -> None

@spec setRandom(t(), boolean()) :: :ok | {:error, String.t()}

setRandom

Positional Arguments

• self: Evision.CalibrateDebevec.t()
• random: bool

Python prototype (for reference only):

setRandom(random) -> None

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

setSamples

Positional Arguments

• self: Evision.CalibrateDebevec.t()
• samples: int

Python prototype (for reference only):

setSamples(samples) -> None

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

simplified API for language bindings

Positional Arguments

• self: Evision.CalibrateDebevec.t()
• fs: Evision.FileStorage

Keyword Arguments

• name: String.

Has overloading in C++

Python prototype (for reference only):

write(fs[, name]) -> None

@spec write(t(), Evision.FileStorage.t(), [{atom(), term()}, ...] | nil) ::
  :ok | {:error, String.t()}

simplified API for language bindings

Positional Arguments

• self: Evision.CalibrateDebevec.t()
• fs: Evision.FileStorage

Keyword Arguments

• name: String.

Has overloading in C++

Python prototype (for reference only):

write(fs[, name]) -> None