homography_calculator.HomographyCalculator Class Reference

Provides methods for calculating homography matrices and measuring their error. More...

Static Public Member Functions
np.ndarray	calculate_homography_error (np.ndarray points, np.ndarray H)
	Calculates an error value for the given homography matrix.
np.ndarray	calculate_homography (np.ndarray pairs)
	Calculates the homography matrix for the given pairs of points.
Optional[np.ndarray]	ransac (np.ndarray matches, int random_point_count, float threshold, int iterations)
	Use RANSAC to calculate a good homography matrix.

Detailed Description

Provides methods for calculating homography matrices and measuring their error.

Member Function Documentation

calculate_homography()

np.ndarray homography_calculator.HomographyCalculator.calculate_homography ( np.ndarray pairs )

static

Calculates the homography matrix for the given pairs of points.

Parameters

pairs

Matching pairs of coordinates

Returns

Homography matrix

calculate_homography_error()

np.ndarray homography_calculator.HomographyCalculator.calculate_homography_error ( np.ndarray points, np.ndarray H )

static

Calculates an error value for the given homography matrix.

Parameters

points	Point pairs
H	Homography matrix

Returns

An error value for each point

ransac()

Optional[np.ndarray] homography_calculator.HomographyCalculator.ransac ( np.ndarray matches, int random_point_count, float threshold, int iterations )

static

Use RANSAC to calculate a good homography matrix.

Parameters

matches	Matched points
random_point_count	The amount of random points used to calculate the homography matrix
threshold	Error threshold
iterations	Number of iterations

Returns

A good homography matrix, or None if none could be found

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The documentation for this class was generated from the following file:

• src/homography_calculator.py