def __init__(self, min_components=3, max_step_components=30, max_components=60, a_split=0.8, forgetting_factor=0.05, plot=False, plot_dims=[0, 1]): GMM.__init__(self, n_components=min_components, covariance_type='full') self.params = { 'init_components': min_components, 'max_step_components': max_step_components, 'max_components': max_components, 'a_split': a_split, 'plot': plot, 'plot_dims': plot_dims, 'forgetting_factor': forgetting_factor } self.type = 'IGMM' self.initialized = False if self.params['plot']: self.fig_old, self.ax_old = plt.subplots(1, 3) self.fig_old.suptitle("Incremental Learning of GMM") self.ax_old[0].set_title('Old Model') self.ax_old[1].set_title('Short Term Model') self.ax_old[2].set_title('Current Term Model') self.fig_old.show()
def __init__(self, min_components=3, max_step_components=30, max_components=60, a_split=0.8, forgetting_factor=DynamicParameter(0.05), x_dims=None, y_dims=None): GMM.__init__(self, n_components=min_components, covariance_type='full') if isinstance(forgetting_factor, float): forgetting_factor = DynamicParameter(forgetting_factor) self.params = { 'init_components': min_components, 'max_step_components': max_step_components, 'max_components': max_components, 'a_split': a_split, 'forgetting_factor': forgetting_factor, 'x_dims': x_dims, 'y_dims': y_dims, 'infer_fixed': False } if x_dims is not None and y_dims is not None: self.params['infer_fixed'] = True self.type = 'IGMM' self.initialized = False
def __init__(self, min_components=3, max_components=10, distance_method="Kullback-leiber", merge_type="moment_presaving"): GaussianMixture.__init__(self, n_components=min_components, covariance_type='full') self.min_components = min_components self.max_components = max_components self.type = 'CMGMM' self.distance_method = distance_method #Kullback-leiber,ISD, Jensen-shannon self.merge_type = merge_type #moment_presaving,isomorphic self.initialized = False self.verbose = False
def __init__(self, min_components=3, max_step_components=30, max_components=60, a_split=0.8, forgetting_factor=DynamicParameter(0.05), x_dims=None, y_dims=None, plot=False, plot_dims=[0, 1]): GMM.__init__(self, n_components=min_components, covariance_type='full') if isinstance(forgetting_factor, float): forgetting_factor = DynamicParameter(forgetting_factor) self.params = { 'init_components': min_components, 'max_step_components': max_step_components, 'max_components': max_components, 'a_split': a_split, 'plot': plot, 'plot_dims': plot_dims, 'forgetting_factor': forgetting_factor, 'x_dims': x_dims, 'y_dims': y_dims, 'infer_fixed': False } if x_dims is not None and y_dims is not None: self.params['infer_fixed'] = True self.type = 'IGMM' self.initialized = False if self.params['plot']: self.fig_old, self.ax_old = plt.subplots(1, 3) self.fig_old.suptitle("Incremental Learning of GMM") self.ax_old[0].set_title('Old Model') self.ax_old[1].set_title('Short Term Model') self.ax_old[2].set_title('Current Term Model') self.fig_old.show()
def __init__(self, *args, values=None, **kwargs): """ Instantiate Gaussian mixture model. """ self.values = values GaussianMixture.__init__(self, *args, **kwargs)