On growth and formlets: Sparse multi-scale coding of planar shape. - Timothy D. Oleskiw; James H. Elder; Gabriel Peyré (CVPR, 2010)

On growth and formlets: Sparse multi-scale coding of planar shape. - James H. Elder; Timothy D. Oleskiw; Alex Yakubovich; Gabriel Peyré (Image Vis. Comput., 2013)