Struct opencv::optflow::RLOFOpticalFlowParameter
source · pub struct RLOFOpticalFlowParameter { /* private fields */ }
Expand description
This is used store and set up the parameters of the robust local optical flow (RLOF) algoritm.
The RLOF is a fast local optical flow approach described in Senst2012 Senst2013 Senst2014 and Senst2016 similar to the pyramidal iterative Lucas-Kanade method as proposed by Bouguet00. More details and experiments can be found in the following thesis Senst2019. The implementation is derived from optflow::calcOpticalFlowPyrLK(). This RLOF implementation can be seen as an improved pyramidal iterative Lucas-Kanade and includes a set of improving modules. The main improvements in respect to the pyramidal iterative Lucas-Kanade are:
- A more robust redecending M-estimator framework (see Senst2012) to improve the accuracy at motion boundaries and appearing and disappearing pixels.
- an adaptive support region strategies to improve the accuracy at motion boundaries to reduce the corona effect, i.e oversmoothing of the PLK at motion/object boundaries. The cross-based segementation strategy (SR_CROSS) proposed in Senst2014 uses a simple segmenation approach to obtain the optimal shape of the support region.
- To deal with illumination changes (outdoor sequences and shadow) the intensity constancy assumption based optical flow equation has been adopt with the Gennert and Negahdaripour illumination model (see Senst2016). This model can be switched on/off with the useIlluminationModel variable.
- By using a global motion prior initialization (see Senst2016) of the iterative refinement the accuracy could be significantly improved for large displacements. This initialization can be switched on and of with useGlobalMotionPrior variable.
The RLOF can be computed with the SparseOpticalFlow class or function interface to track a set of features or with the DenseOpticalFlow class or function interface to compute dense optical flow.
§See also
optflow::DenseRLOFOpticalFlow, optflow::calcOpticalFlowDenseRLOF(), optflow::SparseRLOFOpticalFlow, optflow::calcOpticalFlowSparseRLOF()
Implementations§
source§impl RLOFOpticalFlowParameter
impl RLOFOpticalFlowParameter
pub fn default() -> Result<RLOFOpticalFlowParameter>
sourcepub fn create() -> Result<Ptr<RLOFOpticalFlowParameter>>
pub fn create() -> Result<Ptr<RLOFOpticalFlowParameter>>
Creates instance of optflow::RLOFOpticalFlowParameter
Trait Implementations§
source§impl Boxed for RLOFOpticalFlowParameter
impl Boxed for RLOFOpticalFlowParameter
source§unsafe fn from_raw(
ptr: <RLOFOpticalFlowParameter as OpenCVFromExtern>::ExternReceive
) -> Self
unsafe fn from_raw( ptr: <RLOFOpticalFlowParameter as OpenCVFromExtern>::ExternReceive ) -> Self
source§fn into_raw(
self
) -> <RLOFOpticalFlowParameter as OpenCVTypeExternContainer>::ExternSendMut
fn into_raw( self ) -> <RLOFOpticalFlowParameter as OpenCVTypeExternContainer>::ExternSendMut
source§fn as_raw(
&self
) -> <RLOFOpticalFlowParameter as OpenCVTypeExternContainer>::ExternSend
fn as_raw( &self ) -> <RLOFOpticalFlowParameter as OpenCVTypeExternContainer>::ExternSend
source§fn as_raw_mut(
&mut self
) -> <RLOFOpticalFlowParameter as OpenCVTypeExternContainer>::ExternSendMut
fn as_raw_mut( &mut self ) -> <RLOFOpticalFlowParameter as OpenCVTypeExternContainer>::ExternSendMut
source§impl Debug for RLOFOpticalFlowParameter
impl Debug for RLOFOpticalFlowParameter
source§impl Drop for RLOFOpticalFlowParameter
impl Drop for RLOFOpticalFlowParameter
source§impl RLOFOpticalFlowParameterTrait for RLOFOpticalFlowParameter
impl RLOFOpticalFlowParameterTrait for RLOFOpticalFlowParameter
fn as_raw_mut_RLOFOpticalFlowParameter(&mut self) -> *mut c_void
fn set_solver_type(&mut self, val: SolverType)
fn set_support_region_type(&mut self, val: SupportRegionType)
fn set_norm_sigma0(&mut self, val: f32)
fn set_norm_sigma1(&mut self, val: f32)
fn set_small_win_size(&mut self, val: i32)
fn set_large_win_size(&mut self, val: i32)
fn set_cross_segmentation_threshold(&mut self, val: i32)
fn set_max_level(&mut self, val: i32)
fn set_use_initial_flow(&mut self, val: bool)
fn set_use_illumination_model(&mut self, val: bool)
fn set_use_global_motion_prior(&mut self, val: bool)
fn set_max_iteration(&mut self, val: i32)
fn set_min_eigen_value(&mut self, val: f32)
fn set_global_motion_ransac_threshold(&mut self, val: f32)
source§fn set_use_m_estimator(&mut self, val: bool) -> Result<()>
fn set_use_m_estimator(&mut self, val: bool) -> Result<()>
fn set_solver_type_1(&mut self, val: SolverType) -> Result<()>
fn set_support_region_type_1(&mut self, val: SupportRegionType) -> Result<()>
fn set_norm_sigma0_1(&mut self, val: f32) -> Result<()>
fn set_norm_sigma1_1(&mut self, val: f32) -> Result<()>
fn set_small_win_size_1(&mut self, val: i32) -> Result<()>
fn set_large_win_size_1(&mut self, val: i32) -> Result<()>
fn set_cross_segmentation_threshold_1(&mut self, val: i32) -> Result<()>
fn set_max_level_1(&mut self, val: i32) -> Result<()>
fn set_use_initial_flow_1(&mut self, val: bool) -> Result<()>
fn set_use_illumination_model_1(&mut self, val: bool) -> Result<()>
fn set_use_global_motion_prior_1(&mut self, val: bool) -> Result<()>
fn set_max_iteration_1(&mut self, val: i32) -> Result<()>
fn set_min_eigen_value_1(&mut self, val: f32) -> Result<()>
fn set_global_motion_ransac_threshold_1(&mut self, val: f32) -> Result<()>
source§impl RLOFOpticalFlowParameterTraitConst for RLOFOpticalFlowParameter
impl RLOFOpticalFlowParameterTraitConst for RLOFOpticalFlowParameter
fn as_raw_RLOFOpticalFlowParameter(&self) -> *const c_void
fn solver_type(&self) -> SolverType
fn support_region_type(&self) -> SupportRegionType
fn norm_sigma0(&self) -> f32
fn norm_sigma1(&self) -> f32
fn small_win_size(&self) -> i32
fn large_win_size(&self) -> i32
fn cross_segmentation_threshold(&self) -> i32
fn max_level(&self) -> i32
fn use_initial_flow(&self) -> bool
fn use_illumination_model(&self) -> bool
fn use_global_motion_prior(&self) -> bool
fn max_iteration(&self) -> i32
fn min_eigen_value(&self) -> f32
fn global_motion_ransac_threshold(&self) -> f32
fn get_solver_type(&self) -> Result<SolverType>
fn get_support_region_type(&self) -> Result<SupportRegionType>
fn get_norm_sigma0(&self) -> Result<f32>
fn get_norm_sigma1(&self) -> Result<f32>
fn get_small_win_size(&self) -> Result<i32>
fn get_large_win_size(&self) -> Result<i32>
fn get_cross_segmentation_threshold(&self) -> Result<i32>
fn get_max_level(&self) -> Result<i32>
fn get_use_initial_flow(&self) -> Result<bool>
fn get_use_illumination_model(&self) -> Result<bool>
fn get_use_global_motion_prior(&self) -> Result<bool>
fn get_max_iteration(&self) -> Result<i32>
fn get_min_eigen_value(&self) -> Result<f32>
fn get_global_motion_ransac_threshold(&self) -> Result<f32>
impl Send for RLOFOpticalFlowParameter
Auto Trait Implementations§
impl Freeze for RLOFOpticalFlowParameter
impl RefUnwindSafe for RLOFOpticalFlowParameter
impl !Sync for RLOFOpticalFlowParameter
impl Unpin for RLOFOpticalFlowParameter
impl UnwindSafe for RLOFOpticalFlowParameter
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
source§impl<Mat> ModifyInplace for Matwhere
Mat: Boxed,
impl<Mat> ModifyInplace for Matwhere
Mat: Boxed,
source§unsafe fn modify_inplace<Res>(
&mut self,
f: impl FnOnce(&Mat, &mut Mat) -> Res
) -> Res
unsafe fn modify_inplace<Res>( &mut self, f: impl FnOnce(&Mat, &mut Mat) -> Res ) -> Res
Mat
or another similar object. By passing
a mutable reference to the Mat
to this function your closure will get called with the read reference and a write references
to the same Mat
. This is of course unsafe as it breaks the Rust aliasing rules, but it might be useful for some performance
sensitive operations. One example of an OpenCV function that allows such in-place modification is imgproc::threshold
. Read more