3D Modeling of branching vessels from anatomical sketches: towards a new interactive teaching of anatomy: Interactive virtual blackboard.

Olivier Palombi; Marie-Paule Cani; Adeline Pihuit

hal-00645342, version 1

3D Modeling of branching vessels from anatomical sketches: towards a new interactive teaching of anatomy: Interactive virtual blackboard.

Olivier Palombi ( Author to contact preferably ) ^1, 2, 3, Marie-Paule Cani () ^3, 4, Adeline Pihuit () ^1, 3

Surgical and Radiologic Anatomy 33, 7 (2011) 631-6

Abstract: Sketching is an intuitive way to explain spatial relationships between complex objects. The French community of Anatomists are used to teaching didactic lectures on a blackboard with their colored chalks. The increasing complexity of the sketches affords to the students an opportunity to work out a mental representation of anatomical structures in 3D. To help students perform this labored step, we present a new interactive blackboard which constructs plausible 3D models of branching vessels from a single sketch. We exploit the sketching conventions used in anatomical drawings to infer depth and curvature. We then model the set of branching vessels as a convolution surface generated by a graph of skeleton curves. Classic situations, focused on arteries, have been analyzed to manage vessels' curvatures, subdivisions and overlaps. Original sketches and 3D models are presented for each case. No specific training is required to use the interface. The anatomists have begun to embrace a new generation of 3D digital modeling applications as tools for anatomical teaching. We discuss the future use of this system as a step towards the interactive teaching of anatomy.

1: EVASION (INRIA Grenoble Rhône-Alpes / LJK Laboratoire Jean Kuntzmann)
CNRS : UMR5224 – INRIA – Laboratoire Jean Kuntzmann – Institut National Polytechnique de Grenoble (INPG) – Université Joseph Fourier - Grenoble I – Université Pierre-Mendès-France - Grenoble II
2: Laboratoire d'Anatomie des Alpes Françaises (LADAF)
CHU Grenoble
3: IMAGINE (Inria Grenoble Rhône-Alpes / LJK Laboratoire Jean Kuntzmann)
CNRS : UMR5224 – INRIA – Laboratoire Jean Kuntzmann – Université Joseph Fourier - Grenoble I – Institut National Polytechnique de Grenoble (INPG) – Université Pierre-Mendès-France - Grenoble II
4: Laboratoire Jean Kuntzmann (LJK)
CNRS : UMR5224 – Université Joseph Fourier - Grenoble I – Université Pierre-Mendès-France - Grenoble II – Institut Polytechnique de Grenoble - Grenoble Institute of Technology

hal-00645342, version 1
http://hal.archives-ouvertes.fr/hal-00645342
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From: Olivier Palombi <>
Submitted on: Sunday, 27 November 2011 22:31:23
Updated on: Tuesday, 20 November 2012 18:56:55

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PubMed: 21618014

DOI: 10.1007/s00276-011-0827-5

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%% hal-00645342, version 1
%% http://hal.archives-ouvertes.fr/hal-00645342
@article{palombi:hal-00645342,
    hal_id = {hal-00645342},
    url = {http://hal.archives-ouvertes.fr/hal-00645342},
    title = {{3D Modeling of branching vessels from anatomical sketches: towards a new interactive teaching of anatomy: Interactive virtual blackboard.}},
    author = {Palombi, Olivier and Cani, Marie-Paule and Pihuit, Adeline},
    abstract = {{Sketching is an intuitive way to explain spatial relationships between complex objects. The French community of Anatomists are used to teaching didactic lectures on a blackboard with their colored chalks. The increasing complexity of the sketches affords to the students an opportunity to work out a mental representation of anatomical structures in 3D. To help students perform this labored step, we present a new interactive blackboard which constructs plausible 3D models of branching vessels from a single sketch. We exploit the sketching conventions used in anatomical drawings to infer depth and curvature. We then model the set of branching vessels as a convolution surface generated by a graph of skeleton curves. Classic situations, focused on arteries, have been analyzed to manage vessels' curvatures, subdivisions and overlaps. Original sketches and 3D models are presented for each case. No specific training is required to use the interface. The anatomists have begun to embrace a new generation of 3D digital modeling applications as tools for anatomical teaching. We discuss the future use of this system as a step towards the interactive teaching of anatomy.}},
    language = {English},
    affiliation = {EVASION - INRIA Grenoble Rh{\^o}ne-Alpes / LJK Laboratoire Jean Kuntzmann , Laboratoire d'Anatomie des Alpes Fran{\c c}aises - LADAF , IMAGINE - Inria Grenoble Rh{\^o}ne-Alpes / LJK Laboratoire Jean Kuntzmann , Laboratoire Jean Kuntzmann - LJK},
    pages = {631-6},
    journal = {Surgical and Radiologic Anatomy},
    volume = {33},
    number = {7 },
    audience = {international },
    doi = {10.1007/s00276-011-0827-5 },
    year = {2011},
    month = Sep,
}

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