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

Clears the algorithm state

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Python prototype (for reference only):

clear() -> None

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

@spec compute(t(), Evision.CUDA.GpuMat.t()) ::
  Evision.CUDA.GpuMat.t() | {:error, String.t()}

Variant 1:

Enables the stereo correspondence operator that finds the disparity for the specified data cost.

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

• data: Evision.Mat.t().

  User-specified data cost, a matrix of msg_type type and Size(\<image columns>*ndisp, \<image rows>) size.

Keyword Arguments

• stream: Evision.CUDA.Stream.t().

  Stream for the asynchronous version.

Return

• disparity: Evision.Mat.t().

  Output disparity map. If disparity is empty, the output type is CV_16SC1 . Otherwise, the type is retained. In 16-bit signed format, the disparity values do not have fractional bits.

Python prototype (for reference only):

compute(data[, disparity[, stream]]) -> disparity

Variant 2:

Enables the stereo correspondence operator that finds the disparity for the specified data cost.

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

• data: Evision.CUDA.GpuMat.t().

  User-specified data cost, a matrix of msg_type type and Size(\<image columns>*ndisp, \<image rows>) size.

Keyword Arguments

• stream: Evision.CUDA.Stream.t().

  Stream for the asynchronous version.

Return

• disparity: Evision.CUDA.GpuMat.t().

  Output disparity map. If disparity is empty, the output type is CV_16SC1 . Otherwise, the type is retained. In 16-bit signed format, the disparity values do not have fractional bits.

Python prototype (for reference only):

compute(data[, disparity[, stream]]) -> disparity

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

@spec compute(t(), Evision.CUDA.GpuMat.t(), [{atom(), term()}, ...] | nil) ::
  Evision.CUDA.GpuMat.t() | {:error, String.t()}

Variant 1:

Enables the stereo correspondence operator that finds the disparity for the specified data cost.

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

• data: Evision.Mat.t().

  User-specified data cost, a matrix of msg_type type and Size(\<image columns>*ndisp, \<image rows>) size.

Keyword Arguments

• stream: Evision.CUDA.Stream.t().

  Stream for the asynchronous version.

Return

• disparity: Evision.Mat.t().

  Output disparity map. If disparity is empty, the output type is CV_16SC1 . Otherwise, the type is retained. In 16-bit signed format, the disparity values do not have fractional bits.

Python prototype (for reference only):

compute(data[, disparity[, stream]]) -> disparity

Variant 2:

Enables the stereo correspondence operator that finds the disparity for the specified data cost.

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

• data: Evision.CUDA.GpuMat.t().

  User-specified data cost, a matrix of msg_type type and Size(\<image columns>*ndisp, \<image rows>) size.

Keyword Arguments

• stream: Evision.CUDA.Stream.t().

  Stream for the asynchronous version.

Return

• disparity: Evision.CUDA.GpuMat.t().

  Output disparity map. If disparity is empty, the output type is CV_16SC1 . Otherwise, the type is retained. In 16-bit signed format, the disparity values do not have fractional bits.

Python prototype (for reference only):

compute(data[, disparity[, stream]]) -> disparity

@spec compute(
  t(),
  Evision.Mat.maybe_mat_in(),
  Evision.Mat.maybe_mat_in(),
  Evision.CUDA.Stream.t()
) ::
  Evision.Mat.t() | {:error, String.t()}

@spec compute(
  t(),
  Evision.CUDA.GpuMat.t(),
  Evision.CUDA.GpuMat.t(),
  Evision.CUDA.Stream.t()
) ::
  Evision.CUDA.GpuMat.t() | {:error, String.t()}

Variant 1:

compute

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• left: Evision.Mat.t()
• right: Evision.Mat.t()
• stream: Evision.CUDA.Stream.t()

Return

• disparity: Evision.Mat.t().

Has overloading in C++

Python prototype (for reference only):

compute(left, right, stream[, disparity]) -> disparity

Variant 2:

compute

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• left: Evision.CUDA.GpuMat.t()
• right: Evision.CUDA.GpuMat.t()
• stream: Evision.CUDA.Stream.t()

Return

• disparity: Evision.CUDA.GpuMat.t().

Has overloading in C++

Python prototype (for reference only):

compute(left, right, stream[, disparity]) -> disparity

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

@spec compute(
  t(),
  Evision.CUDA.GpuMat.t(),
  Evision.CUDA.GpuMat.t(),
  Evision.CUDA.Stream.t(),
  [{atom(), term()}, ...] | nil
) :: Evision.CUDA.GpuMat.t() | {:error, String.t()}

Variant 1:

compute

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• left: Evision.Mat.t()
• right: Evision.Mat.t()
• stream: Evision.CUDA.Stream.t()

Return

• disparity: Evision.Mat.t().

Has overloading in C++

Python prototype (for reference only):

compute(left, right, stream[, disparity]) -> disparity

Variant 2:

compute

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• left: Evision.CUDA.GpuMat.t()
• right: Evision.CUDA.GpuMat.t()
• stream: Evision.CUDA.Stream.t()

Return

• disparity: Evision.CUDA.GpuMat.t().

Has overloading in C++

Python prototype (for reference only):

compute(left, right, stream[, disparity]) -> disparity

@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.CUDA.StereoBeliefPropagation.t()

Return

• retval: bool

Python prototype (for reference only):

empty() -> retval

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

Uses a heuristic method to compute the recommended parameters ( ndisp, iters and levels ) for the specified image size ( width and height ).

Positional Arguments

• width: int
• height: int
• ndisp: int
• iters: int
• levels: int

Python prototype (for reference only):

estimateRecommendedParams(width, height, ndisp, iters, levels) -> None

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

getBlockSize

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getBlockSize() -> retval

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

getDataWeight

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: double

Python prototype (for reference only):

getDataWeight() -> retval

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

getDefaultName

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.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 getDiscSingleJump(t()) :: number() | {:error, String.t()}

getDiscSingleJump

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: double

Python prototype (for reference only):

getDiscSingleJump() -> retval

@spec getDisp12MaxDiff(t()) :: integer() | {:error, String.t()}

getDisp12MaxDiff

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getDisp12MaxDiff() -> retval

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

getMaxDataTerm

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: double

Python prototype (for reference only):

getMaxDataTerm() -> retval

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

getMaxDiscTerm

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: double

Python prototype (for reference only):

getMaxDiscTerm() -> retval

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

getMinDisparity

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getMinDisparity() -> retval

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

getMsgType

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getMsgType() -> retval

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

getNumDisparities

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getNumDisparities() -> retval

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

getNumIters

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getNumIters() -> retval

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

getNumLevels

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getNumLevels() -> retval

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

getSpeckleRange

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getSpeckleRange() -> retval

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

getSpeckleWindowSize

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()

Return

• retval: int

Python prototype (for reference only):

getSpeckleWindowSize() -> retval

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

Reads algorithm parameters from a file storage

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• fn_: Evision.FileNode.t()

Python prototype (for reference only):

read(fn_) -> None

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

save

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.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 setBlockSize(t(), integer()) :: t() | {:error, String.t()}

setBlockSize

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• blockSize: int

Python prototype (for reference only):

setBlockSize(blockSize) -> None

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

setDataWeight

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• data_weight: double

Python prototype (for reference only):

setDataWeight(data_weight) -> None

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

setDiscSingleJump

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• disc_single_jump: double

Python prototype (for reference only):

setDiscSingleJump(disc_single_jump) -> None

@spec setDisp12MaxDiff(t(), integer()) :: t() | {:error, String.t()}

setDisp12MaxDiff

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• disp12MaxDiff: int

Python prototype (for reference only):

setDisp12MaxDiff(disp12MaxDiff) -> None

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

setMaxDataTerm

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• max_data_term: double

Python prototype (for reference only):

setMaxDataTerm(max_data_term) -> None

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

setMaxDiscTerm

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• max_disc_term: double

Python prototype (for reference only):

setMaxDiscTerm(max_disc_term) -> None

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

setMinDisparity

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• minDisparity: int

Python prototype (for reference only):

setMinDisparity(minDisparity) -> None

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

setMsgType

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• msg_type: int

Python prototype (for reference only):

setMsgType(msg_type) -> None

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

setNumDisparities

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• numDisparities: int

Python prototype (for reference only):

setNumDisparities(numDisparities) -> None

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

setNumIters

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• iters: int

Python prototype (for reference only):

setNumIters(iters) -> None

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

setNumLevels

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• levels: int

Python prototype (for reference only):

setNumLevels(levels) -> None

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

setSpeckleRange

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• speckleRange: int

Python prototype (for reference only):

setSpeckleRange(speckleRange) -> None

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

setSpeckleWindowSize

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.t()
• speckleWindowSize: int

Python prototype (for reference only):

setSpeckleWindowSize(speckleWindowSize) -> None

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

Stores algorithm parameters in a file storage

Positional Arguments

• self: Evision.CUDA.StereoBeliefPropagation.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.CUDA.StereoBeliefPropagation.t()
• fs: Evision.FileStorage.t()
• name: String

Has overloading in C++

Python prototype (for reference only):

write(fs, name) -> None