Name
vector_field_lengthvector_field_lengthVectorFieldLengthvector_field_lengthVectorFieldLengthVectorFieldLength — Compute the length of the vectors of a vector field.
vector_field_lengthvector_field_lengthVectorFieldLengthvector_field_lengthVectorFieldLengthVectorFieldLength compute the length of the vectors of the
vector field VectorFieldVectorFieldVectorFieldVectorFieldVectorFieldvectorField and returns them in
LengthLengthLengthLengthLengthlength. vector_field_lengthvector_field_lengthVectorFieldLengthvector_field_lengthVectorFieldLengthVectorFieldLength only accepts vector fields of
the semantic type 'vector_field_relative'. The parameter ModeModeModeModeModemode can
be used to specify how the lengths are computed. For ModeModeModeModeModemode =
'length'"length""length""length""length""length", the Euclidean length of the vectors is computed.
For ModeModeModeModeModemode = 'squared_length'"squared_length""squared_length""squared_length""squared_length""squared_length", the square of the
length of the vectors is computed. This avoids having to compute a
square root internally, which is a costly operation on many
processors, and hence saves runtime on these processors. Note that the
VectorFieldVectorFieldVectorFieldVectorFieldVectorFieldvectorField must be in relative coordinates as returned by
optical_flow_mgoptical_flow_mgOpticalFlowMgoptical_flow_mgOpticalFlowMgOpticalFlowMg.
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Automatically parallelized on domain level.
- Automatically parallelized on tuple level.
Length of the vectors of the vector field.
Mode for computing the length of the vectors.
Default value:
'length'
"length"
"length"
"length"
"length"
"length"
List of values: 'length'"length""length""length""length""length", 'squared_length'"squared_length""squared_length""squared_length""squared_length""squared_length"
If the parameter values are correct, the operator
vector_field_lengthvector_field_lengthVectorFieldLengthvector_field_lengthVectorFieldLengthVectorFieldLength returns the value 2 (H_MSG_TRUE). If the input is
empty (no input images are available) the behavior can be set via
set_system('no_object_result',<Result>)set_system("no_object_result",<Result>)SetSystem("no_object_result",<Result>)set_system("no_object_result",<Result>)SetSystem("no_object_result",<Result>)SetSystem("no_object_result",<Result>). If necessary, an
exception is raised.
optical_flow_mgoptical_flow_mgOpticalFlowMgoptical_flow_mgOpticalFlowMgOpticalFlowMg
thresholdthresholdThresholdthresholdThresholdThreshold
Foundation