View Source Evision.Rapid.Tracker (Evision v0.2.2-rc2)
Summary
Functions
Clears the algorithm state
clearState
Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read
getDefaultName
Reads algorithm parameters from a file storage
save
Stores algorithm parameters in a file storage
write
Types
@type t() :: %Evision.Rapid.Tracker{ref: reference()}
Type that represents an Rapid.Tracker
struct.
ref.
reference()
The underlying erlang resource variable.
Functions
Clears the algorithm state
Positional Arguments
- self:
Evision.Rapid.Tracker.t()
Python prototype (for reference only):
clear() -> None
clearState
Positional Arguments
- self:
Evision.Rapid.Tracker.t()
Python prototype (for reference only):
clearState() -> None
@spec compute( t(), Evision.Mat.maybe_mat_in(), integer(), integer(), Evision.Mat.maybe_mat_in(), Evision.Mat.maybe_mat_in(), Evision.Mat.maybe_mat_in() ) :: {number(), Evision.Mat.t(), Evision.Mat.t()} | {:error, String.t()}
compute
Positional Arguments
- self:
Evision.Rapid.Tracker.t()
- img:
Evision.Mat.t()
- num:
int
- len:
int
- k:
Evision.Mat.t()
Keyword Arguments
- termcrit:
TermCriteria
.
Return
- retval:
float
- rvec:
Evision.Mat.t()
- tvec:
Evision.Mat.t()
Python prototype (for reference only):
compute(img, num, len, K, rvec, tvec[, termcrit]) -> retval, rvec, tvec
@spec compute( t(), Evision.Mat.maybe_mat_in(), integer(), integer(), Evision.Mat.maybe_mat_in(), Evision.Mat.maybe_mat_in(), Evision.Mat.maybe_mat_in(), [{:termcrit, term()}] | nil ) :: {number(), Evision.Mat.t(), Evision.Mat.t()} | {:error, String.t()}
compute
Positional Arguments
- self:
Evision.Rapid.Tracker.t()
- img:
Evision.Mat.t()
- num:
int
- len:
int
- k:
Evision.Mat.t()
Keyword Arguments
- termcrit:
TermCriteria
.
Return
- retval:
float
- rvec:
Evision.Mat.t()
- tvec:
Evision.Mat.t()
Python prototype (for reference only):
compute(img, num, len, K, rvec, tvec[, termcrit]) -> retval, rvec, tvec
Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read
Positional Arguments
- self:
Evision.Rapid.Tracker.t()
Return
- retval:
bool
Python prototype (for reference only):
empty() -> retval
getDefaultName
Positional Arguments
- self:
Evision.Rapid.Tracker.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 read(t(), Evision.FileNode.t()) :: t() | {:error, String.t()}
Reads algorithm parameters from a file storage
Positional Arguments
- self:
Evision.Rapid.Tracker.t()
- fn_:
Evision.FileNode.t()
Python prototype (for reference only):
read(fn_) -> None
save
Positional Arguments
- self:
Evision.Rapid.Tracker.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.Rapid.Tracker.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.Rapid.Tracker.t()
- fs:
Evision.FileStorage.t()
- name:
String
Has overloading in C++
Python prototype (for reference only):
write(fs, name) -> None