Imagine being capable of storing/retrieving multi-media data from familiar things in the path to work: buildings, corners, trees or flowers... anything around you can be a "scaffold" to organize your personal data. This is an alternative to the intangible "cloud" based on the idea of superimposing virtual 3d "data containers" onto real space. We propose to design, prototype and study a format t...

New Zealand has a legal 3D cadastre, and has done since the inception of its cadastral survey and tenure systems around 150 years ago. However, the digital representation of the cadastre is 2D with 3D situations handled via static plan, section and elevation images and supporting textual information. Work is currently underway to develop a 3D digital cadastre that will enable the 3D spatial ext...

background: identify the optimal technique of radiotherapy for patients with high grade glioma. our initial year of experience with rapidarc radiation therapy. materials and methods: planning ct scans of 50 patients with grade iv glioma were reviewed and three plan sets by 3d conformal radiotherapy (3dcrt), intensity modulated radiotherapy (imrt) and rapid arc (ra) were generated and the plans ...

Currently, radiotherapy treatment plan acceptance is based primarily on dosimetric performance measures. However, use of radiobiological analysis to assess benefit in terms of tumor control and harm in terms of injury to normal tissues can be advantageous. For pediatric craniospinal axis irradiation (CSI) patients, in particular, knowing the technique that will optimize the probabilities of ben...

appropriate distance for the sources to be placed from the skin surface. The trajectories which the sources would take were then drawn, with uniform separation, on this surface. The mould was completed by extending the surface further and then subtracting the trajectories. The complete STL file was then sent to the printer for fabrication by the Stratasys Objet500 Connex1 printer, and printed u...

BACKGROUND The advent of IMRT and image-guided radiotherapy (IGRT) in combination with involved-field radiotherapy (IF-RT) in inoperable non-small-cell lung cancer results in a decreased incidental dose deposition in elective nodal stations. While incidental nodal irradiation is considered a relevant by-product of 3D-CRT to control microscopic disease this planning study analyzed the impact of ...

To evaluate the effect of 3D printing in treating trimalleolar fractures and its roles in physician-patient communication, thirty patients with trimalleolar fractures were randomly divided into the 3D printing assisted-design operation group (Group A) and the no-3D printing assisted-design group (Group B). In Group A, 3D printing was used by the surgeons to produce a prototype of the actual fra...

Elements of urban terrain models such as streets, pavements, lawns, walls, and fences are fundamental for effective recognition and convincing appearance of virtual 3D cities and virtual 3D landscapes. These elements complement important other components such as 3D building models and 3D vegetation models. This paper introduces an object-oriented, rule-based and heuristic-based approach for mod...

OBJECTIVE To evaluate the performance of 3-dimensional (3D) virtual neck exploration (VNE) as a modality for preoperative localization of parathyroid adenomas in primary hyperparathyroidism and assess the feasibility of using augmented reality to guide parathyroidectomy as a step toward minimally invasive imageguided surgery. DESIGN Enhanced 3D rendering methods can be used to transform compu...