Fig. 9From: Blind source separation with optimal transport non-negative matrix factorizationNoise dictionaries. Dictionaries learned for the cicada noise. Top row: spectrogram of the training data. Middle and bottom row: dictionaries learned with respectively 5 and 10 elements, with the optimal transport, Kullback-Leibler, Itakura-Saito, and Euclidean loss (from left to right)Back to article page