Three-dimensional Imaging

Modern medical imaging provides essential preoperative knowledge of patient anatomy and pathology. This imaging is composed of many kinds of techniques and protocols, the choice of which is fully dependent on the targeted structures that practitioners want to see and analyse. Virtual reality can then be used to facilitate interpretation. Virtual reality is based on three main concepts: immersion, navigation and interaction (Fig. 7.1). Immersion is a mental concept consisting of the feeling of being inside a virtual world visualized on a screen or using immersive devices such as a realistic environment or a head mounted display. Navigation is a concept that allows the virtual world to be traversed. Finally, interaction is a physical concept that allows modification of the properties of the virtual world.

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