Banerjee, K. ; Sastry, P. S. ; Ramakrishnan, K. R. ; Venkatesh, Y. V. (1988) An SIMD machine for low-level vision Information Sciences, 44 (1). pp. 19-50. ISSN 0020-0255
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0020-0255(88)90055-2
Abstract
This paper presents an SIMD machine which has been tuned to execute low-level vision algorithms employing the relaxation labeling paradigm. Novel features of the design include: 1. (1) a communication scheme capable of window accessing under a single instruction. 2. (2) flexible I/O instructions to load overlapped data segments; and 3. (3) data-conditional instructions which can be nested to an arbitrary degree. A time analysis of the stereo correspondence problem, as implemented on a simulated version of the machine using the probabilistic relaxation technique, shows a speed up of almost N2 for an N × N array of PEs.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 57144 |
| Deposited On: | 26 Aug 2011 02:34 |
| Last Modified: | 26 Aug 2011 02:34 |
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