Module: Hu_moments¶

Overview¶

This modules provides the implementation of the functions for the extraction of morphometric features, related to Hu_moments

Classes relations¶

Classes and Inheritance Structure¶

Summary¶

`eval_log_Hu_moments`(yx_array[, weight])
`extract_Hu_moments_img`(cluster_image, x_c, y_c)
`extract_Hu_moments_features_attr`
`extract_Hu_moments_features_cnt`
`get_cluster_contour_Hu_moments_morphometric_features`(cluster)	Function to extract galaxy morphometric features for :....

Module API¶

eval_log_Hu_moments(yx_array, weight=None)[source]¶

extract_Hu_moments_img(cluster_image, x_c, y_c)[source]¶

get_attractors_Hu_moments_morphometric_features(attractors_matrix, group_name='attr', name_flag=None)[source]¶

Function to extract galaxy morphometric features for :.... . The try/except statement allows to return np.nan features

Parameters:

cluster : :class:`asterism.core.clustering.source_cluster.SourceCluster2Dim’

cluster object from whicht to extract the features

group_name : str

the group name for the features (see MorphometricFeatures)

name_flag : str

the flag name for the features (see MorphometricFeatures)

Returns:

MorphometricFeatures : MorphometricFeatures

The class storing the features with their names and dtypes

get_cluster_contour_Hu_moments_morphometric_features(cluster, group_name='cnt', name_flag=None)[source]¶

Function to extract galaxy morphometric features for :.... . The try/except statement allows to return np.nan features

Parameters:

cluster : :class:`asterism.core.clustering.source_cluster.SourceCluster2Dim’

cluster object from whicht to extract the features

group_name : str

the group name for the features (see MorphometricFeatures)

name_flag : str

the flag name for the features (see MorphometricFeatures)

Returns:

MorphometricFeatures : MorphometricFeatures

The class storing the features with their names and dtypes

get_cluster_image_Hu_moments_morphometric_features()[source]¶

Function to extract galaxy morphometric features for :.... . The try/except statement allows to return np.nan features

Parameters:

cluster : :class:`asterism.core.clustering.source_cluster.SourceCluster2Dim’

cluster object from whicht to extract the features

group_name : str

the group name for the features (see MorphometricFeatures)

name_flag : str

the flag name for the features (see MorphometricFeatures)

Returns:

MorphometricFeatures : MorphometricFeatures

The class storing the features with their names and dtypes

Module: Hu_moments¶