DGCI 2019 21st IAPR International Conference on Discrete Geometry for Computer Imagery DGCI 2019 21st IAPR International Conference on Discrete Geometry for Computer Imagery, Mar 2019, Paris, France. pp.469-480, ⟨10.1007/978-3-030-14085-4_37⟩ Discrete Geometry for Computer Imagery ISBN: 9783030140847 DGCI