The Virtual Endoscope of Neurosurgery Used for Transnasal Approach

Abstract:

This paper presents and implements an automatic roaming and fast virtual endoscopic neurosurgery system for transsexual approach, which can be compatible with the fiber-optic endoscopic transnasal approach in the skull base surgery, and accurately locate the position and their mutual relations among the lesions, tumors and surrounding vital anatomical structures. The system uses a multithreaded RayCasting volume-rendering algorithm based on the graphics processor (GPU). It reconstructs the nasal three-dimensional structure in the skull base surgery, and optimizes the centerline extraction that can be carried out automatically. In real-time display, it improves the translucent rendering optical model, taking into account lighting model important parameter - the image gradient translucent degree of non-linear effects, and can fully display the skull surface and internal implied the interface and internal details.

• Periodical: Applied Mechanics and Materials (Volumes 416-417)
• Pages: 1282-1288
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.416-417.1282
• Online since: September 2013
• Authors: Jun Cong Mo, De Min Yao
• Keywords: Ray Casting Algorithm, Translucent Illumination Model, Transnasal Approach for Neurosurgery, Virtual Endoscopy

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