@InBook{brun-2012,


author = {Luc Brun and Walter Kropatsch},
title = {Image Processing and Analysing With Graphs: Theory and Practice},
chapter = {Hierarchical Graph Encoding},
publisher = {CRC Press},
year = 2012,
theme = {hierarchical},
url = {pdf:=https://www.researchgate.net/publication/229476153_Image_Processing_and_Analysing_With_Graphs_Theory_and_Practice}

 }