URL: https://www.researchgate.net/profile/Patrik-Huber-2/publication/321180616/figure/fig4/AS:631643995918366@1527607072866/Plots-of-the-L1-L2-and-smooth-L1-loss-functions_Q320.jpg
URL2: https://www.researchgate.net/figure/Plots-of-the-L1-L2-and-smooth-L1-loss-functions_fig4_321180616
