KeypointMatcherOptions

giant.image_processing.feature_matchers:

class giant.image_processing.feature_matchers.KeypointMatcherOptions(ratio_threshold=0.9, flann_index_algorithm_type=FLANNIndexAlgorithmType.FLANN_INDEX_COMPOSITE, flann_algorithm_parameters=<factory>, flann_search_parameters=<factory>)[source]

Options for configuring a KeypointMatcher

Parameters:

  • ratio_threshold (float)

  • flann_index_algorithm_type (FLANNIndexAlgorithmType)

  • flann_algorithm_parameters (FLANNIndexAutotunedParams | FLANNIndexCompositeParams | FLANNIndexHierarchicalParams | FLANNIndexKdTreeParams | FLANNIndexKdTreeSingleParams | FLANNIndexKMeansParams | FLANNIndexLinearParams | FLANNIndexLSHParams)

  • flann_search_parameters (FLANNSearchParams)

ratio_threshold: float = 0.9

The threshold to use in Lowe’s ratio test

flann_index_algorithm_type: FLANNIndexAlgorithmType = 3

What FLANN algorithm to use.

flann_algorithm_parameters: FLANNIndexAutotunedParams | FLANNIndexCompositeParams | FLANNIndexHierarchicalParams | FLANNIndexKdTreeParams | FLANNIndexKdTreeSingleParams | FLANNIndexKMeansParams | FLANNIndexLinearParams | FLANNIndexLSHParams

The parameters to configure the index in FLANN.

This should match the flann_index_algorithm_type although OpenCV will not complain if it doesn’t.

flann_search_parameters: FLANNSearchParams

The parameters to configure how FLANN performs searches

property options_dict: Dict

Determine the options input to the dataclass.

This property method will ignore all internal properties and functions

Summary of Methods

apply_options

Update the options as attributes of the object class

local_vars

this is used to overwrite options in variables only used in __init__

override_options

This method is used for special cases when certain options should be overwritten