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What is Voxel

Chapter 33
Handbook of Research on User Interface Design and Evaluation for Mobile Technology
A voxel (volume pixel) represents a quantity of 3-D data just as a pixel represents a point or a cluster of points in 2-D data. It is used in scientific and medical applications that process 3-D images.
Published in Chapter:
3-D Visualization on Mobile Devices
Andrea Sanna (Politecnico di Torino, Italy) and Fabrizio Lamberti (Politecnico di Torino, Italy)
Copyright: © 2008 |Pages: 18
DOI: 10.4018/978-1-59904-871-0.ch033
Abstract
Recent improvements in technology of last generation mobile devices (smartphones, Personal Digital Assistants, Ultra-Mobile PCs) have opened up challenging new scenarios in 3-D ubiquitous visualization. Entertainment, cultural heritage, telemedicine, and distance learning are only a few of the disciplines that can take advantage of 3-D model visualization on mobile and hand-held devices. This chapter investigates the main methodologies used to display and navigate complex scenes and heavy datasets on mobile devices. Both local and remote rendering software techniques are considered with respect to solutions based on hardware acceleration. Moreover, issues related to the design of suitable graphics user interfaces are tackled. Finally, a solution for high performance visualization based on the remote rendering approach and enabling interactive manipulation of 3-D scenes composed by millions of polygons at 30 frames per second even on 50 Kbit/s wireless communication channels is presented.
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Chapter 11
Virtual eXperience as a Mass Market Phenomenon: Spatial Computing and the World Building Challenge
The basic unit—a “volume element”— in a solid geometry-based computer model of an object. Voxels can be combined in endless ways to form a specific representation. Because each voxel, such as an elementary cube, can be stored in the computer as a small mathematical formula rather than a huge database of points as for a surface model, it requires far less computational power in actual use.
Published in Chapter: Virtual eXperience as a Mass Market Phenomenon: Spatial Computing and the World Building Challenge; From: Handbook of Research on the Global Impacts and Roles of Immersive Media
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Chapter 8
Methods of Skull Implants Modeling with Use of CAx and Haptic Systems
A separate volume element, representing a value on a regular grid in 3D space. This is analogous to a 2D pixel element, which represents image data in a raster graphic. The name derived from the words: vo lumetric & pix el.
Published in Chapter: Methods of Skull Implants Modeling with Use of CAx and Haptic Systems; From: Handbook of Research on Interactive Information Quality in Expanding Social Network Communications
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Chapter 6
Tractography of White Matter Fibers Using Diffusion MRI
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Chapter 10
Mangement of a 3D Visualization Program From Radiological Images in Neuroradiology
Minimum processable unit of a three-dimensional matrix. Pixel equivalent in a 2D image.
Published in Chapter: Mangement of a 3D Visualization Program From Radiological Images in Neuroradiology; From: Technological Adoption and Trends in Health Sciences Teaching, Learning, and Practice
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Chapter 25
Bone Strength Assessment Based on CT Images Using a Network Spring Model for Radiation Therapy Patients
The smallest volume element in a 3-dimensional image space determined by the image resolution. It is the basic image element of the object reconstructed from a series of 2-D CT images.
Published in Chapter: Bone Strength Assessment Based on CT Images Using a Network Spring Model for Radiation Therapy Patients; From: Encyclopedia of Healthcare Information Systems
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