pub trait LMSolver_CallbackConst {
    // Required method
    fn as_raw_LMSolver_Callback(&self) -> *const c_void;

    // Provided method
    fn compute(
        &self,
        param: &dyn ToInputArray,
        err: &mut dyn ToOutputArray,
        j: &mut dyn ToOutputArray
    ) -> Result<bool> { ... }
}
Expand description

Constant methods for crate::calib3d::LMSolver_Callback

Required Methods§

Provided Methods§

source

fn compute( &self, param: &dyn ToInputArray, err: &mut dyn ToOutputArray, j: &mut dyn ToOutputArray ) -> Result<bool>

computes error and Jacobian for the specified vector of parameters

Parameters
  • param: the current vector of parameters
  • err: output vector of errors: err_i = actual_f_i - ideal_f_i
  • J: output Jacobian: J_ij = d(ideal_f_i)/d(param_j)

when J=noArray(), it means that it does not need to be computed. Dimensionality of error vector and param vector can be different. The callback should explicitly allocate (with “create” method) each output array (unless it’s noArray()).

Implementors§