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

Clears the algorithm state

Positional Arguments

• self: Evision.DNN.Layer.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.DNN.Layer.t()

Return

• retval: bool

Python prototype (for reference only):

empty() -> retval

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

Computes and sets internal parameters according to inputs, outputs and blobs.

Positional Arguments

• self: Evision.DNN.Layer.t()
• inputs: [Evision.Mat]

Return

• outputs: [Evision.Mat].

  vector of already allocated output blobs

If this method is called after network has allocated all memory for input and output blobs and before inferencing.

Python prototype (for reference only):

finalize(inputs[, outputs]) -> outputs

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

Computes and sets internal parameters according to inputs, outputs and blobs.

Positional Arguments

• self: Evision.DNN.Layer.t()
• inputs: [Evision.Mat]

Return

• outputs: [Evision.Mat].

  vector of already allocated output blobs

If this method is called after network has allocated all memory for input and output blobs and before inferencing.

Python prototype (for reference only):

finalize(inputs[, outputs]) -> outputs

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

getDefaultName

Positional Arguments

• self: Evision.DNN.Layer.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 outputNameToIndex(t(), binary()) :: integer() | {:error, String.t()}

Returns index of output blob in output array.

Positional Arguments

• self: Evision.DNN.Layer.t()
• outputName: String

Return

• retval: int

@see inputNameToIndex()

Python prototype (for reference only):

outputNameToIndex(outputName) -> retval

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

Reads algorithm parameters from a file storage

Positional Arguments

• self: Evision.DNN.Layer.t()
• fn_: Evision.FileNode.t()

Python prototype (for reference only):

read(fn_) -> None

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

Allocates layer and computes output.

Positional Arguments

• self: Evision.DNN.Layer.t()
• inputs: [Evision.Mat]

Return

• outputs: [Evision.Mat].
• internals: [Evision.Mat]

@deprecated This method will be removed in the future release.

Python prototype (for reference only):

run(inputs, internals[, outputs]) -> outputs, internals

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

Allocates layer and computes output.

Positional Arguments

• self: Evision.DNN.Layer.t()
• inputs: [Evision.Mat]

Return

• outputs: [Evision.Mat].
• internals: [Evision.Mat]

@deprecated This method will be removed in the future release.

Python prototype (for reference only):

run(inputs, internals[, outputs]) -> outputs, internals

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

save

Positional Arguments

• self: Evision.DNN.Layer.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 write(t(), Evision.FileStorage.t()) :: t() | {:error, String.t()}

Stores algorithm parameters in a file storage

Positional Arguments

• self: Evision.DNN.Layer.t()
• fs: Evision.FileStorage.t()

Python prototype (for reference only):

write(fs) -> None

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

write

Positional Arguments

• self: Evision.DNN.Layer.t()
• fs: Evision.FileStorage.t()
• name: String

Has overloading in C++

Python prototype (for reference only):

write(fs, name) -> None