Data structures for multimodality imaging: concepts and implementation

Oscar Emanuel Ch Mealha; Antonio Sousa Pereira; Maria Beatriz Sousa Santos

doi:10.1117/12.59566

26 June 1992 Data structures for multimodality imaging: concepts and implementation

Oscar Emanuel Ch Mealha, Antonio Sousa Pereira, Maria Beatriz Sousa Santos

Proceedings Volume 1660, Biomedical Image Processing and Three-Dimensional Microscopy; (1992) https://doi.org/10.1117/12.59566
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

The integration of data coming from different imaging modalities is something to take into account, due to the importance it can have in the development of a fast and reliable diagnosis by the health staff. In the medical imaging field, computed tomography (CT), magnetic resonance imaging (MRI), positron emission tomography (PET), and single photon emission computed tomography (SPECT) are examples of devices that generate 3-D data. Digital subtraction angiography (DSA) or ultrasound (US) output 2-D data, from which its possible to reconstruct 3-D data. An important fact is that 3-D space is common to all these devices and they are all capable of producing large amounts of data. Prior to display or even data integration, matching the various 3-D spaces has to be achieved with some specific technique, according to the anatomical region under examination. The augmented octree, an extension of the linear octree, is used for data integration; its properties can help to overcome some of the constraints that occur in medical imaging. To be fully accepted by the specialist, the display and manipulation of multimodality data must be interactive and done in real-time, or at least in `nearly' real-time. Parallel architectures seem to be a solution for some computation intensive applications, and so an implementation of the linear octree encoding process was developed on a 16 Transputer machine.

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Oscar Emanuel Ch Mealha, Antonio Sousa Pereira, and Maria Beatriz Sousa Santos "Data structures for multimodality imaging: concepts and implementation", Proc. SPIE 1660, Biomedical Image Processing and Three-Dimensional Microscopy, (26 June 1992); https://doi.org/10.1117/12.59566

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KEYWORDS

Image processing

3D image processing

Data integration

Computer programming

Data communications

Biomedical optics

Microscopy

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