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1 July 1990 Orthogonal access architectures and reduced meshes for parallel image computations
Hussein M. Alnuweiri, V. K. Prasanna Kumar
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Proceedings Volume 1246, Parallel Architectures for Image Processing; (1990) https://doi.org/10.1117/12.19581
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States
Abstract
A class of orthogonal-access parallel organizations is studied for applications in image and vision analysis. These architectures consist of a massive memory and a reduced number of processors which access the shared memory. The memory can be envisaged as an array of memory modules in the k-dimensional space, with each row of modules along a certain dimension connected to one bus. Each processor has access to one bus along each dimension. It is shown that these organizations are communication-efficient and can provide processor time optimal solutions to a wide class of image and vision problems. In the two-dimensional case, the basic organization has ii processors and an n x n memory array which can hold an n x n image, and it provides 0(n) time solution to several image computations including: histograming, histogram equalization, computing connected components, convexity problems, and computing distances. Such problems also take 0(n) time on a two-dimensional mesh with n2 processors. For the general k-dimensional case, a class of orthogonal data movement operations can be implemented on such organizations to yield processor-time optimal image and vision algorithms.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Hussein M. Alnuweiri and V. K. Prasanna Kumar "Orthogonal access architectures and reduced meshes for parallel image computations", Proc. SPIE 1246, Parallel Architectures for Image Processing, (1 July 1990); https://doi.org/10.1117/12.19581
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KEYWORDS
Image processing
Algorithm development
Image analysis
Computer architecture
Neural networks
Very large scale integration
Computer vision technology
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